Merge tag '1.0.1ubuntu2' into ubuntu/trusty

Conflicts:
	configure.ac
	debian/changelog
	debian/control
	test/integration/framework

122 files changed, 2255 insertions, 1283 deletions

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 4041d9457..30743addf 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -22,12 +22,21 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
-#include <apt-pkg/md5.h>
 #include <apt-pkg/sha1.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/indexrecords.h>
-#include <apt-pkg/metaindex.h>
-
+#include <apt-pkg/acquire.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgrecords.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <iostream>
+#include <vector>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <errno.h>
@@ -108,8 +117,8 @@ void pkgAcquire::Item::Start(string /*Message*/,unsigned long long Size)
 // Acquire::Item::Done - Item downloaded OK				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgAcquire::Item::Done(string Message,unsigned long long Size,string Hash,
-			    pkgAcquire::MethodConfig *Cnf)
+void pkgAcquire::Item::Done(string Message,unsigned long long Size,string /*Hash*/,
+			    pkgAcquire::MethodConfig * /*Cnf*/)
 {
    // We just downloaded something..
    string FileName = LookupTag(Message,"Filename");
@@ -253,10 +262,10 @@ string pkgAcqSubIndex::Custom600Headers()
    return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
 									/*}}}*/
-void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)	/*{{{*/
+void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/
 {
    if(Debug)
-      std::clog << "pkgAcqSubIndex failed: " << Desc.URI << std::endl;
+      std::clog << "pkgAcqSubIndex failed: " << Desc.URI << " with " << Message << std::endl;
 
    Complete = false;
    Status = StatDone;
@@ -544,10 +553,10 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)		/*{{{*/
    return false;
 }
 									/*}}}*/
-void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)	/*{{{*/
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/
 {
    if(Debug)
-      std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
+      std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl
 		<< "Falling back to normal index file acquire" << std::endl;
 
    new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc, 
@@ -624,10 +633,10 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
    }
 }
 									/*}}}*/
-void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)	/*{{{*/
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/
 {
    if(Debug)
-      std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
+      std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl
 		<< "Falling back to normal index file acquire" << std::endl;
    new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, 
 		   ExpectedHash);
@@ -709,7 +718,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff()					/*{{{*/
    }
 
    // queue the right diff
-   Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
+   Desc.URI = RealURI + ".diff/" + available_patches[0].file + ".gz";
    Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
@@ -797,7 +806,7 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner,
    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
 
-   Desc.URI = string(RealURI) + ".diff/" + patch.file + ".gz";
+   Desc.URI = RealURI + ".diff/" + patch.file + ".gz";
    Desc.Description = Description + " " + patch.file + string(".pdiff");
    DestFile = _config->FindDir("Dir::State::lists") + "partial/";
    DestFile += URItoFileName(RealURI + ".diff/" + patch.file);
@@ -808,7 +817,7 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner,
    QueueURI(Desc);
 }
 									/*}}}*/
-void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
+void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/
 {
    if(Debug)
       std::clog << "pkgAcqIndexMergeDiffs failed: " << Desc.URI << " with " << Message << std::endl;
@@ -1558,7 +1567,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)				/*{{{*/
 	 {
 	    std::vector<std::string> types = APT::Configuration::getCompressionTypes();
 	    for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
-	       if (MetaIndexParser->Exists(string((*Target)->MetaKey).append(".").append(*t)) == true)
+	       if (MetaIndexParser->Exists((*Target)->MetaKey + "." + *t) == true)
 	       {
 		  compressedAvailable = true;
 		  break;
@@ -1596,7 +1605,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)				/*{{{*/
 	 else if (transInRelease == false || Record != NULL || compressedAvailable == true)
 	 {
 	    if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&
-		MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)
+		MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true)
 	       new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
 				   (*Target)->ShortDesc, ExpectedIndexHash);
 	    else
@@ -1610,7 +1619,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)				/*{{{*/
          in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this
          instead, but passing the required info to it is to much hassle */
       if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false ||
-	  MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true))
+	  MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true))
 	 new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
 			     (*Target)->ShortDesc, ExpectedIndexHash);
       else
@@ -1635,7 +1644,7 @@ bool pkgAcqMetaIndex::VerifyVendor(string Message)			/*{{{*/
       missingkeys += (Fingerprint);
    }
    if(!missingkeys.empty())
-      _error->Warning("%s", string(msg+missingkeys).c_str());
+      _error->Warning("%s", (msg + missingkeys).c_str());
 
    string Transformed = MetaIndexParser->GetExpectedDist();
 
@@ -1698,7 +1707,7 @@ bool pkgAcqMetaIndex::VerifyVendor(string Message)			/*{{{*/
 // pkgAcqMetaIndex::Failed - no Release file present or no signature file present	/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)
 {
    if (AuthPass == true)
    {
@@ -2149,7 +2158,7 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
 									/*}}}*/
 // AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/
 // ---------------------------------------------------------------------
-bool pkgAcqArchive::IsTrusted()
+APT_PURE bool pkgAcqArchive::IsTrusted()
 {
    return Trusted;
 }
@@ -2197,7 +2206,7 @@ pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
    if (stat(DestFile.c_str(),&Buf) == 0)
    {
       // Hmm, the partial file is too big, erase it
-      if ((unsigned long long)Buf.st_size > Size)
+      if ((Size > 0) && (unsigned long long)Buf.st_size > Size)
 	 unlink(DestFile.c_str());
       else
 	 PartialSize = Buf.st_size;
diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h
index 5a1c7979c..f48d2a0d7 100644
--- a/apt-pkg/acquire-item.h
+++ b/apt-pkg/acquire-item.h
@@ -24,6 +24,10 @@
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/weakptr.h>
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <string>
+#include <vector>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/indexfile.h>
@@ -64,7 +68,7 @@ class pkgAcquire::Item : public WeakPointable
 
    /** \brief Insert this item into its owner's queue.
     *
-    *  \param ItemDesc Metadata about this item (its URI and
+    *  \param Item Metadata about this item (its URI and
     *  description).
     */
    inline void QueueURI(ItemDesc &Item)
@@ -79,7 +83,7 @@ class pkgAcquire::Item : public WeakPointable
     *
     *  \param From The file to be renamed.
     *
-    *  \param To The new name of #From.  If #To exists it will be
+    *  \param To The new name of \a From.  If \a To exists it will be
     *  overwritten.
     */
    void Rename(std::string From,std::string To);
@@ -115,7 +119,7 @@ class pkgAcquire::Item : public WeakPointable
      } Status;
 
    /** \brief Contains a textual description of the error encountered
-    *  if #Status is #StatError or #StatAuthError.
+    *  if #ItemState is #StatError or #StatAuthError.
     */
    std::string ErrorText;
 
@@ -293,7 +297,6 @@ class pkgAcquire::Item : public WeakPointable
    /** \brief Rename failed file and set error
     *
     * \param state respresenting the error we encountered
-    * \param errorMsg a message describing the error
     */
    bool RenameOnError(RenameOnErrorState const state);
 };
@@ -636,7 +639,7 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item
    /** \brief Create an index diff item.
     *
     *  After filling in its basic fields, this invokes Finish(true) if
-    *  #diffs is empty, or QueueNextDiff() otherwise.
+    *  \a diffs is empty, or QueueNextDiff() otherwise.
     *
     *  \param Owner The pkgAcquire object that owns this item.
     *
@@ -651,6 +654,8 @@ class pkgAcqIndexDiffs : public pkgAcquire::Item
     *  reconstructed package index file; the index file will be tested
     *  against this value when it is entirely reconstructed.
     *
+    *  \param ServerSha1 is the sha1sum of the current file on the server
+    *
     *  \param diffs The remaining diffs from the index of diffs.  They
     *  should be ordered so that each diff appears before any diff
     *  that depends on it.
@@ -1162,8 +1167,8 @@ class pkgAcqFile : public pkgAcquire::Item
     *  \param IsIndexFile The file is considered a IndexFile and cache-control
     *                     headers like "cache-control: max-age=0" are send
     *
-    * If DestFilename is empty, download to DestDir/<basename> if
-    * DestDir is non-empty, $CWD/<basename> otherwise.  If
+    * If DestFilename is empty, download to DestDir/\<basename\> if
+    * DestDir is non-empty, $CWD/\<basename\> otherwise.  If
     * DestFilename is NOT empty, DestDir is ignored and DestFilename
     * is the absolute name to which the file should be downloaded.
     */
diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 5bc1c159a..746c553f1 100644
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -23,10 +23,18 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/hashes.h>
-
+#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha2.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <string>
+#include <vector>
 #include <iostream>
 #include <stdio.h>
-#include <sys/signal.h>
 									/*}}}*/
 
 using namespace std;
diff --git a/apt-pkg/acquire-method.h b/apt-pkg/acquire-method.h
index 00f99e0a0..221ccf273 100644
--- a/apt-pkg/acquire-method.h
+++ b/apt-pkg/acquire-method.h
@@ -20,7 +20,10 @@
 #ifndef PKGLIB_ACQUIRE_METHOD_H
 #define PKGLIB_ACQUIRE_METHOD_H
 
+#include <apt-pkg/macros.h>
+
 #include <stdarg.h>
+#include <time.h>
 
 #include <string>
 #include <vector>
@@ -106,7 +109,7 @@ class pkgAcqMethod
    virtual ~pkgAcqMethod() {};
 
    private:
-   void Dequeue();
+   APT_HIDDEN void Dequeue();
 };
 
 /** @} */
diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index de62080da..047a655ce 100644
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -14,20 +14,23 @@
 // Include Files							/*{{{*/
 #include <config.h>
 
+#include <apt-pkg/acquire.h>
 #include <apt-pkg/acquire-worker.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/hashes.h>
 
+#include <string>
+#include <vector>
 #include <iostream>
 #include <sstream>
-#include <fstream>
 
 #include <sys/stat.h>
+#include <stdlib.h>
 #include <unistd.h>
-#include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
 #include <errno.h>
diff --git a/apt-pkg/acquire-worker.h b/apt-pkg/acquire-worker.h
index 848a6bad7..67aee4b59 100644
--- a/apt-pkg/acquire-worker.h
+++ b/apt-pkg/acquire-worker.h
@@ -22,6 +22,9 @@
 #include <apt-pkg/acquire.h>
 #include <apt-pkg/weakptr.h>
 
+#include <sys/types.h>
+#include <string>
+#include <vector>
 
 /** \brief A fetch subprocess.
  *
@@ -136,8 +139,8 @@ class pkgAcquire::Worker : public WeakPointable
    
    /** \brief Retrieve any available messages from the subprocess.
     *
-    *  The messages are retrieved as in ::ReadMessages(), and
-    *  MessageFailure() is invoked if an error occurs; in particular,
+    *  The messages are retrieved as in \link strutl.h ReadMessages()\endlink, and
+    *  #MethodFailure() is invoked if an error occurs; in particular,
     *  if the pipe to the subprocess dies unexpectedly while a message
     *  is being read.
     *
diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 120e809e1..a187a00ae 100644
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -23,12 +23,18 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 
+#include <string>
+#include <vector>
 #include <iostream>
 #include <sstream>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 #include <dirent.h>
 #include <sys/time.h>
+#include <sys/select.h>
 #include <errno.h>
 
 #include <apti18n.h>
@@ -468,7 +474,7 @@ void pkgAcquire::Bump()
 pkgAcquire::Worker *pkgAcquire::WorkerStep(Worker *I)
 {
    return I->NextAcquire;
-};
+}
 									/*}}}*/
 // Acquire::Clean - Cleans a directory					/*{{{*/
 // ---------------------------------------------------------------------
@@ -520,7 +526,7 @@ bool pkgAcquire::Clean(string Dir)
 // Acquire::TotalNeeded - Number of bytes to fetch			/*{{{*/
 // ---------------------------------------------------------------------
 /* This is the total number of bytes needed */
-unsigned long long pkgAcquire::TotalNeeded()
+APT_PURE unsigned long long pkgAcquire::TotalNeeded()
 {
    unsigned long long Total = 0;
    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); ++I)
@@ -531,7 +537,7 @@ unsigned long long pkgAcquire::TotalNeeded()
 // Acquire::FetchNeeded - Number of bytes needed to get			/*{{{*/
 // ---------------------------------------------------------------------
 /* This is the number of bytes that is not local */
-unsigned long long pkgAcquire::FetchNeeded()
+APT_PURE unsigned long long pkgAcquire::FetchNeeded()
 {
    unsigned long long Total = 0;
    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); ++I)
@@ -543,7 +549,7 @@ unsigned long long pkgAcquire::FetchNeeded()
 // Acquire::PartialPresent - Number of partial bytes we already have	/*{{{*/
 // ---------------------------------------------------------------------
 /* This is the number of bytes that is not local */
-unsigned long long pkgAcquire::PartialPresent()
+APT_PURE unsigned long long pkgAcquire::PartialPresent()
 {
   unsigned long long Total = 0;
    for (ItemCIterator I = ItemsBegin(); I != ItemsEnd(); ++I)
diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index 3d5d7a4b7..ef16d8556 100644
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -72,8 +72,13 @@
 #include <vector>
 #include <string>
 
+#include <stddef.h>
 #include <sys/time.h>
+#include <sys/select.h>
+
+#ifndef APT_10_CLEANER_HEADERS
 #include <unistd.h>
+#endif
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::vector;
@@ -282,18 +287,18 @@ class pkgAcquire
     */
    void Shutdown();
    
-   /** \brief Get the first #Worker object.
+   /** \brief Get the first Worker object.
     *
     *  \return the first active worker in this download process.
     */
    inline Worker *WorkersBegin() {return Workers;};
 
-   /** \brief Advance to the next #Worker object.
+   /** \brief Advance to the next Worker object.
     *
     *  \return the worker immediately following I, or \b NULL if none
     *  exists.
     */
-   Worker *WorkerStep(Worker *I);
+   Worker *WorkerStep(Worker *I) APT_PURE;
 
    /** \brief Get the head of the list of items. */
    inline ItemIterator ItemsBegin() {return Items.begin();};
@@ -353,7 +358,7 @@ class pkgAcquire
    void SetLog(pkgAcquireStatus *Progress) { Log = Progress; }
 
    /** \brief Construct a new pkgAcquire. */
-   pkgAcquire(pkgAcquireStatus *Log) __deprecated;
+   pkgAcquire(pkgAcquireStatus *Log) APT_DEPRECATED;
    pkgAcquire();
 
    /** \brief Destroy this pkgAcquire object.
@@ -476,7 +481,7 @@ class pkgAcquire::Queue
     *  \return the first item in the queue whose URI is #URI and that
     *  is being downloaded by #Owner.
     */
-   QItem *FindItem(std::string URI,pkgAcquire::Worker *Owner);
+   QItem *FindItem(std::string URI,pkgAcquire::Worker *Owner) APT_PURE;
 
    /** Presumably this should start downloading an item?
     *
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 0363ab3e2..a7b676660 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -19,19 +19,18 @@
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/version.h>
 #include <apt-pkg/sptr.h>
-#include <apt-pkg/acquire-item.h>
 #include <apt-pkg/edsp.h>
-#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/fileutl.h>
 #include <apt-pkg/progress.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
-#include <sys/types.h>
+#include <string.h>
+#include <string>
 #include <cstdlib>
-#include <algorithm>
 #include <iostream>
-#include <stdio.h>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -394,8 +393,18 @@ void pkgProblemResolver::MakeScores()
    };
    int PrioEssentials = _config->FindI("pkgProblemResolver::Scores::Essentials",100);
    int PrioInstalledAndNotObsolete = _config->FindI("pkgProblemResolver::Scores::NotObsolete",1);
-   int PrioDepends = _config->FindI("pkgProblemResolver::Scores::Depends",1);
-   int PrioRecommends = _config->FindI("pkgProblemResolver::Scores::Recommends",1);
+   int DepMap[] = {
+      0,
+      _config->FindI("pkgProblemResolver::Scores::Depends",1),
+      _config->FindI("pkgProblemResolver::Scores::PreDepends",1),
+      _config->FindI("pkgProblemResolver::Scores::Suggests",0),
+      _config->FindI("pkgProblemResolver::Scores::Recommends",1),
+      _config->FindI("pkgProblemResolver::Scores::Conflicts",-1),
+      _config->FindI("pkgProblemResolver::Scores::Replaces",0),
+      _config->FindI("pkgProblemResolver::Scores::Obsoletes",0),
+      _config->FindI("pkgProblemResolver::Scores::Breaks",-1),
+      _config->FindI("pkgProblemResolver::Scores::Enhances",0)
+   };
    int AddProtected = _config->FindI("pkgProblemResolver::Scores::AddProtected",10000);
    int AddEssential = _config->FindI("pkgProblemResolver::Scores::AddEssential",5000);
 
@@ -408,8 +417,15 @@ void pkgProblemResolver::MakeScores()
          << "  Extra => " << PrioMap[pkgCache::State::Extra] << endl
          << "  Essentials => " << PrioEssentials << endl
          << "  InstalledAndNotObsolete => " << PrioInstalledAndNotObsolete << endl
-         << "  Depends => " << PrioDepends << endl
-         << "  Recommends => " << PrioRecommends << endl
+         << "  Pre-Depends => " << DepMap[pkgCache::Dep::PreDepends] << endl
+         << "  Depends => " << DepMap[pkgCache::Dep::Depends] << endl
+         << "  Recommends => " << DepMap[pkgCache::Dep::Recommends] << endl
+         << "  Suggests => " << DepMap[pkgCache::Dep::Suggests] << endl
+         << "  Conflicts => " << DepMap[pkgCache::Dep::Conflicts] << endl
+         << "  Breaks => " << DepMap[pkgCache::Dep::DpkgBreaks] << endl
+         << "  Replaces => " << DepMap[pkgCache::Dep::Replaces] << endl
+         << "  Obsoletes => " << DepMap[pkgCache::Dep::Obsoletes] << endl
+         << "  Enhances => " << DepMap[pkgCache::Dep::Enhances] << endl
          << "  AddProtected => " << AddProtected << endl
          << "  AddEssential => " << AddEssential << endl;
 
@@ -439,24 +455,23 @@ void pkgProblemResolver::MakeScores()
       */
       if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
 	 Score += PrioInstalledAndNotObsolete;
-   }
 
-   // Now that we have the base scores we go and propagate dependencies
-   for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
-   {
-      if (Cache[I].InstallVer == 0)
-	 continue;
-      
+      // propagate score points along dependencies
       for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; ++D)
       {
-	 if (D->Type == pkgCache::Dep::Depends || 
-	     D->Type == pkgCache::Dep::PreDepends)
-	    Scores[D.TargetPkg()->ID] += PrioDepends;
-	 else if (D->Type == pkgCache::Dep::Recommends)
-	    Scores[D.TargetPkg()->ID] += PrioRecommends;
+	 if (DepMap[D->Type] == 0)
+	    continue;
+	 pkgCache::PkgIterator const T = D.TargetPkg();
+	 if (D->Version != 0)
+	 {
+	    pkgCache::VerIterator const IV = Cache[T].InstVerIter(Cache);
+	    if (IV.end() == true || D.IsSatisfied(IV) != D.IsNegative())
+	       continue;
+	 }
+	 Scores[T->ID] += DepMap[D->Type];
       }
-   }   
-   
+   }
+
    // Copy the scores to advoid additive looping
    SPtrArray<int> OldScores = new int[Size];
    memcpy(OldScores,Scores,sizeof(*Scores)*Size);
@@ -869,8 +884,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
                }
 
 	       if (Debug == true)
-		  clog << "  Considering " << Pkg.FullName(false) << ' ' << (int)Scores[Pkg->ID] <<
-		  " as a solution to " << I.FullName(false) << ' ' << (int)Scores[I->ID] << endl;
+		  clog << "  Considering " << Pkg.FullName(false) << ' ' << Scores[Pkg->ID] <<
+		  " as a solution to " << I.FullName(false) << ' ' << Scores[I->ID] << endl;
 
 	       /* Try to fix the package under consideration rather than
 	          fiddle with the VList package */
diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h
index 489d81159..f35bd9a13 100644
--- a/apt-pkg/algorithms.h
+++ b/apt-pkg/algorithms.h
@@ -33,8 +33,11 @@
 
 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
 #include <iostream>
+#include <string>
 
 #include <apt-pkg/macros.h>
 
@@ -111,7 +114,7 @@ class pkgProblemResolver						/*{{{*/
    
    // Sort stuff
    static pkgProblemResolver *This;
-   static int ScoreSort(const void *a,const void *b);
+   static int ScoreSort(const void *a,const void *b) APT_PURE;
 
    struct PackageKill
    {
@@ -140,7 +143,7 @@ class pkgProblemResolver						/*{{{*/
    // Try to resolve problems only by using keep
    bool ResolveByKeep();
 
-   __deprecated void InstallProtect();
+   APT_DEPRECATED void InstallProtect();
 
    pkgProblemResolver(pkgDepCache *Cache);
    ~pkgProblemResolver();
diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 0b0b546c5..6ba047560 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -17,14 +17,19 @@
 #include <apt-pkg/macros.h>
 #include <apt-pkg/strutl.h>
 
-#include <sys/types.h>
 #include <dirent.h>
 #include <stdio.h>
 #include <fcntl.h>
-
+#include <ctype.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 #include <algorithm>
 #include <string>
 #include <vector>
+
+#include <apti18n.h>
 									/*}}}*/
 namespace APT {
 // getCompressionTypes - Return Vector of usable compressiontypes	/*{{{*/
@@ -49,11 +54,6 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 	setDefaultConfigurationForCompressors();
 	std::vector<APT::Configuration::Compressor> const compressors = getCompressors();
 
-	// accept non-list order as override setting for config settings on commandline
-	std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order","");
-	if (overrideOrder.empty() == false)
-		types.push_back(overrideOrder);
-
 	// load the order setting into our vector
 	std::vector<std::string> const order = _config->FindVector("Acquire::CompressionTypes::Order");
 	for (std::vector<std::string>::const_iterator o = order.begin();
@@ -227,61 +227,11 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 			}
 		}
 	} else {
+		// cornercase: LANG=C, so we use only "en" Translation
 		environment.push_back("en");
 	}
 
-	// Support settings like Acquire::Languages=none on the command line to
-	// override the configuration settings vector of languages.
-	string const forceLang = _config->Find("Acquire::Languages","");
-	if (forceLang.empty() == false) {
-		if (forceLang == "none") {
-			codes.clear();
-			allCodes.clear();
-			allCodes.push_back("none");
-		} else {
-			if (forceLang == "environment")
-				codes = environment;
-			else
-				codes.push_back(forceLang);
-			allCodes = codes;
-			for (std::vector<string>::const_iterator b = builtin.begin();
-			     b != builtin.end(); ++b)
-				if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-					allCodes.push_back(*b);
-		}
-		if (All == true)
-			return allCodes;
-		else
-			return codes;
-	}
-
-	// cornercase: LANG=C, so we use only "en" Translation
-	if (envShort == "C") {
-		allCodes = codes = environment;
-		allCodes.insert(allCodes.end(), builtin.begin(), builtin.end());
-		if (All == true)
-			return allCodes;
-		else
-			return codes;
-	}
-
-	std::vector<string> const lang = _config->FindVector("Acquire::Languages");
-	// the default setting -> "environment, en"
-	if (lang.empty() == true) {
-		codes = environment;
-		if (envShort != "en")
-			codes.push_back("en");
-		allCodes = codes;
-		for (std::vector<string>::const_iterator b = builtin.begin();
-		     b != builtin.end(); ++b)
-			if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-				allCodes.push_back(*b);
-		if (All == true)
-			return allCodes;
-		else
-			return codes;
-	}
-
+	std::vector<string> const lang = _config->FindVector("Acquire::Languages", "environment,en");
 	// the configs define the order, so add the environment
 	// then needed and ensure the codes are not listed twice.
 	bool noneSeen = false;
@@ -308,10 +258,15 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 		allCodes.push_back(*l);
 	}
 
-	for (std::vector<string>::const_iterator b = builtin.begin();
-	     b != builtin.end(); ++b)
-		if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-			allCodes.push_back(*b);
+	if (allCodes.empty() == false) {
+		for (std::vector<string>::const_iterator b = builtin.begin();
+		     b != builtin.end(); ++b)
+			if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
+				allCodes.push_back(*b);
+	} else {
+		// "none" was forced
+		allCodes.push_back("none");
+	}
 
 	if (All == true)
 		return allCodes;
@@ -320,7 +275,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 }
 									/*}}}*/
 // checkLanguage - are we interested in the given Language?		/*{{{*/
-bool const Configuration::checkLanguage(std::string Lang, bool const All) {
+bool Configuration::checkLanguage(std::string Lang, bool const All) {
 	// the empty Language is always interesting as it is the original
 	if (Lang.empty() == true)
 		return true;
@@ -440,7 +395,7 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
 }
 									/*}}}*/
 // checkArchitecture - are we interested in the given Architecture?	/*{{{*/
-bool const Configuration::checkArchitecture(std::string const &Arch) {
+bool Configuration::checkArchitecture(std::string const &Arch) {
 	if (Arch == "all")
 		return true;
 	std::vector<std::string> const archs = getArchitectures(true);
@@ -476,7 +431,7 @@ void Configuration::setDefaultConfigurationForCompressors() {
 	}
 }
 									/*}}}*/
-// getCompressors - Return Vector of usbale compressors			/*{{{*/
+// getCompressors - Return Vector of usealbe compressors		/*{{{*/
 // ---------------------------------------------------------------------
 /* return a vector of compressors used by apt-ftparchive in the
    multicompress functionality or to detect data.tar files */
@@ -507,8 +462,16 @@ const Configuration::getCompressors(bool const Cached) {
 #endif
 	if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
 		compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4));
+#ifdef HAVE_LZMA
+	else
+		compressors.push_back(Compressor("xz",".xz","false", NULL, NULL, 4));
+#endif
 	if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
 		compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));
+#ifdef HAVE_LZMA
+	else
+		compressors.push_back(Compressor("lzma",".lzma","false", NULL, NULL, 5));
+#endif
 
 	std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
 	for (std::vector<std::string>::const_iterator c = comp.begin();
@@ -558,4 +521,28 @@ Configuration::Compressor::Compressor(char const *name, char const *extension,
 		UncompressArgs.push_back(uncompressArg);
 }
 									/*}}}*/
+// getBuildProfiles - return a vector of enabled build profiles		/*{{{*/
+std::vector<std::string> const Configuration::getBuildProfiles() {
+	// order is: override value (~= commandline), environment variable, list (~= config file)
+	std::string profiles_env = getenv("DEB_BUILD_PROFILES") == 0 ? "" : getenv("DEB_BUILD_PROFILES");
+	if (profiles_env.empty() == false) {
+		profiles_env = SubstVar(profiles_env, " ", ",");
+		std::string const bp = _config->Find("APT::Build-Profiles");
+		_config->Clear("APT::Build-Profiles");
+		if (bp.empty() == false)
+			_config->Set("APT::Build-Profiles", bp);
+	}
+	return _config->FindVector("APT::Build-Profiles", profiles_env);
+}
+std::string const Configuration::getBuildProfilesString() {
+	std::vector<std::string> profiles = getBuildProfiles();
+	if (profiles.empty() == true)
+		return "";
+	std::vector<std::string>::const_iterator p = profiles.begin();
+	std::string list = *p;
+	for (; p != profiles.end(); ++p)
+	   list.append(",").append(*p);
+	return list;
+}
+									/*}}}*/
 }
diff --git a/apt-pkg/aptconfiguration.h b/apt-pkg/aptconfiguration.h
index bf7deae85..dfed194ae 100644
--- a/apt-pkg/aptconfiguration.h
+++ b/apt-pkg/aptconfiguration.h
@@ -73,7 +73,7 @@ public:									/*{{{*/
 	 *  \param All defines if we check against all codes or only against used codes
 	 *  \return true if we are interested, false otherwise
 	 */
-	bool static const checkLanguage(std::string Lang, bool const All = false);
+	bool static checkLanguage(std::string Lang, bool const All = false);
 
 	/** \brief Returns a vector of Architectures we support
 	 *
@@ -89,7 +89,7 @@ public:									/*{{{*/
 	 *  \param Arch we want to check
 	 *  \return true if we are interested, false otherwise
 	 */
-	bool static const checkArchitecture(std::string const &Arch);
+	bool static checkArchitecture(std::string const &Arch);
 
 	/** \brief Representation of supported compressors */
 	struct Compressor {
@@ -117,6 +117,11 @@ public:									/*{{{*/
 
 	/** \brief Return a vector of extensions supported for data.tar's */
 	std::vector<std::string> static const getCompressorExtensions();
+
+	/** \return Return a vector of enabled build profile specifications */
+	std::vector<std::string> static const getBuildProfiles();
+	/** \return Return a comma-separated list of enabled build profile specifications */
+	std::string static const getBuildProfilesString();
 									/*}}}*/
 	private:							/*{{{*/
 	void static setDefaultConfigurationForCompressors();
diff --git a/apt-pkg/cachefile.cc b/apt-pkg/cachefile.cc
index 7c2276185..0fd40106f 100644
--- a/apt-pkg/cachefile.cc
+++ b/apt-pkg/cachefile.cc
@@ -21,9 +21,16 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/policy.h>
 #include <apt-pkg/pkgsystem.h>
-#include <apt-pkg/acquire-item.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/progress.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <string.h>
+#include <unistd.h>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -99,7 +106,7 @@ bool pkgCacheFile::BuildCaches(OpProgress *Progress, bool WithLock)
 // CacheFile::BuildSourceList - Open and build all relevant sources.list/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool pkgCacheFile::BuildSourceList(OpProgress *Progress)
+bool pkgCacheFile::BuildSourceList(OpProgress * /*Progress*/)
 {
    if (SrcList != NULL)
       return true;
@@ -113,7 +120,7 @@ bool pkgCacheFile::BuildSourceList(OpProgress *Progress)
 // CacheFile::BuildPolicy - Open and build all relevant preferences	/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool pkgCacheFile::BuildPolicy(OpProgress *Progress)
+bool pkgCacheFile::BuildPolicy(OpProgress * /*Progress*/)
 {
    if (Policy != NULL)
       return true;
diff --git a/apt-pkg/cachefile.h b/apt-pkg/cachefile.h
index 802b12b61..36b20893a 100644
--- a/apt-pkg/cachefile.h
+++ b/apt-pkg/cachefile.h
@@ -17,8 +17,12 @@
 #ifndef PKGLIB_CACHEFILE_H
 #define PKGLIB_CACHEFILE_H
 
+#include <stddef.h>
+
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/acquire.h>
@@ -26,6 +30,7 @@
 #include <apt-pkg/sourcelist.h>
 #endif
 
+class MMap;
 class pkgPolicy;
 class pkgSourceList;
 class OpProgress;
@@ -60,13 +65,13 @@ class pkgCacheFile
    inline unsigned char &operator [](pkgCache::DepIterator const &I) {return (*DCache)[I];};
 
    bool BuildCaches(OpProgress *Progress = NULL,bool WithLock = true);
-   __deprecated bool BuildCaches(OpProgress &Progress,bool const &WithLock = true) { return BuildCaches(&Progress, WithLock); };
+   APT_DEPRECATED bool BuildCaches(OpProgress &Progress,bool const &WithLock = true) { return BuildCaches(&Progress, WithLock); };
    bool BuildSourceList(OpProgress *Progress = NULL);
    bool BuildPolicy(OpProgress *Progress = NULL);
    bool BuildDepCache(OpProgress *Progress = NULL);
    bool Open(OpProgress *Progress = NULL, bool WithLock = true);
    inline bool ReadOnlyOpen(OpProgress *Progress = NULL) { return Open(Progress, false); };
-   __deprecated bool Open(OpProgress &Progress,bool const &WithLock = true) { return Open(&Progress, WithLock); };
+   APT_DEPRECATED bool Open(OpProgress &Progress,bool const &WithLock = true) { return Open(&Progress, WithLock); };
    static void RemoveCaches();
    void Close();
 
diff --git a/apt-pkg/cachefilter.cc b/apt-pkg/cachefilter.cc
index 57b9af159..e388f2450 100644
--- a/apt-pkg/cachefilter.cc
+++ b/apt-pkg/cachefilter.cc
@@ -9,10 +9,12 @@
 #include <apt-pkg/cachefilter.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/macros.h>
 
 #include <string>
-
+#include <string.h>
 #include <regex.h>
 #include <fnmatch.h>
 
diff --git a/apt-pkg/cachefilter.h b/apt-pkg/cachefilter.h
index 34b7d0b46..49d2855f5 100644
--- a/apt-pkg/cachefilter.h
+++ b/apt-pkg/cachefilter.h
@@ -7,6 +7,7 @@
 #define APT_CACHEFILTER_H
 // Include Files							/*{{{*/
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
 #include <string>
 
@@ -47,7 +48,7 @@ public:
 /** \class PackageArchitectureMatchesSpecification
    \brief matching against architecture specification strings
 
-   The strings are of the format <kernel>-<cpu> where either component,
+   The strings are of the format \<kernel\>-\<cpu\> where either component,
    or the whole string, can be the wildcard "any" as defined in
    debian-policy §11.1 "Architecture specification strings".
 
diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h
index ea6a4afba..2fdf8404d 100644
--- a/apt-pkg/cacheiterators.h
+++ b/apt-pkg/cacheiterators.h
@@ -29,7 +29,12 @@
 									/*}}}*/
 #ifndef PKGLIB_CACHEITERATORS_H
 #define PKGLIB_CACHEITERATORS_H
+#include<apt-pkg/pkgcache.h>
+#include<apt-pkg/macros.h>
+
 #include<iterator>
+#include <iosfwd>
+#include <string>
 
 #include<string.h>
 
@@ -55,36 +60,36 @@ template<typename Str, typename Itr> class pkgCache::Iterator :
 	public:
 	// Iteration
 	virtual void operator ++(int) = 0;
-	virtual void operator ++() = 0; // Should be {operator ++(0);};
-	inline bool end() const {return Owner == 0 || S == OwnerPointer();};
+	virtual void operator ++() = 0; // Should be {operator ++(0);}
+	inline bool end() const {return Owner == 0 || S == OwnerPointer();}
 
 	// Comparison
-	inline bool operator ==(const Itr &B) const {return S == B.S;};
-	inline bool operator !=(const Itr &B) const {return S != B.S;};
+	inline bool operator ==(const Itr &B) const {return S == B.S;}
+	inline bool operator !=(const Itr &B) const {return S != B.S;}
 
 	// Accessors
-	inline Str *operator ->() {return S;};
-	inline Str const *operator ->() const {return S;};
-	inline operator Str *() {return S == OwnerPointer() ? 0 : S;};
-	inline operator Str const *() const {return S == OwnerPointer() ? 0 : S;};
-	inline Str &operator *() {return *S;};
-	inline Str const &operator *() const {return *S;};
-	inline pkgCache *Cache() const {return Owner;};
+	inline Str *operator ->() {return S;}
+	inline Str const *operator ->() const {return S;}
+	inline operator Str *() {return S == OwnerPointer() ? 0 : S;}
+	inline operator Str const *() const {return S == OwnerPointer() ? 0 : S;}
+	inline Str &operator *() {return *S;}
+	inline Str const &operator *() const {return *S;}
+	inline pkgCache *Cache() const {return Owner;}
 
 	// Mixed stuff
-	inline void operator =(const Itr &B) {S = B.S; Owner = B.Owner;};
-	inline bool IsGood() const { return S && Owner && ! end();};
-	inline unsigned long Index() const {return S - OwnerPointer();};
+	inline void operator =(const Itr &B) {S = B.S; Owner = B.Owner;}
+	inline bool IsGood() const { return S && Owner && ! end();}
+	inline unsigned long Index() const {return S - OwnerPointer();}
 
 	void ReMap(void const * const oldMap, void const * const newMap) {
 		if (Owner == 0 || S == 0)
 			return;
-		S += (Str*)(newMap) - (Str*)(oldMap);
+		S += (Str const * const)(newMap) - (Str const * const)(oldMap);
 	}
 
 	// Constructors - look out for the variable assigning
-	inline Iterator() : S(0), Owner(0) {};
-	inline Iterator(pkgCache &Owner,Str *T = 0) : S(T), Owner(&Owner) {};
+	inline Iterator() : S(0), Owner(0) {}
+	inline Iterator(pkgCache &Owner,Str *T = 0) : S(T), Owner(&Owner) {}
 };
 									/*}}}*/
 // Group Iterator							/*{{{*/
@@ -98,19 +103,19 @@ class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
 	protected:
 	inline Group* OwnerPointer() const {
 		return (Owner != 0) ? Owner->GrpP : 0;
-	};
+	}
 
 	public:
 	// This constructor is the 'begin' constructor, never use it.
 	inline GrpIterator(pkgCache &Owner) : Iterator<Group, GrpIterator>(Owner), HashIndex(-1) {
 		S = OwnerPointer();
 		operator ++(0);
-	};
+	}
 
 	virtual void operator ++(int);
-	virtual void operator ++() {operator ++(0);};
+	virtual void operator ++() {operator ++(0);}
 
-	inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;};
+	inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;}
 	inline PkgIterator PackageList() const;
 	PkgIterator FindPkg(std::string Arch = "any") const;
 	/** \brief find the package with the "best" architecture
@@ -127,8 +132,8 @@ class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
 	inline GrpIterator(pkgCache &Owner, Group *Trg) : Iterator<Group, GrpIterator>(Owner, Trg), HashIndex(0) {
 		if (S == 0)
 			S = OwnerPointer();
-	};
-	inline GrpIterator() : Iterator<Group, GrpIterator>(), HashIndex(0) {};
+	}
+	inline GrpIterator() : Iterator<Group, GrpIterator>(), HashIndex(0) {}
 
 };
 									/*}}}*/
@@ -139,35 +144,35 @@ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> {
 	protected:
 	inline Package* OwnerPointer() const {
 		return (Owner != 0) ? Owner->PkgP : 0;
-	};
+	}
 
 	public:
 	// This constructor is the 'begin' constructor, never use it.
 	inline PkgIterator(pkgCache &Owner) : Iterator<Package, PkgIterator>(Owner), HashIndex(-1) {
 		S = OwnerPointer();
 		operator ++(0);
-	};
+	}
 
 	virtual void operator ++(int);
-	virtual void operator ++() {operator ++(0);};
+	virtual void operator ++() {operator ++(0);}
 
 	enum OkState {NeedsNothing,NeedsUnpack,NeedsConfigure};
 
 	// Accessors
-	inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;};
-	inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;};
+	inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;}
+	inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;}
 	inline bool Purge() const {return S->CurrentState == pkgCache::State::Purge ||
-		(S->CurrentVer == 0 && S->CurrentState == pkgCache::State::NotInstalled);};
-	inline const char *Arch() const {return S->Arch == 0?0:Owner->StrP + S->Arch;};
-	inline GrpIterator Group() const { return GrpIterator(*Owner, Owner->GrpP + S->Group);};
-
-	inline VerIterator VersionList() const;
-	inline VerIterator CurrentVer() const;
-	inline DepIterator RevDependsList() const;
-	inline PrvIterator ProvidesList() const;
-	OkState State() const;
-	const char *CandVersion() const;
-	const char *CurVersion() const;
+		(S->CurrentVer == 0 && S->CurrentState == pkgCache::State::NotInstalled);}
+	inline const char *Arch() const {return S->Arch == 0?0:Owner->StrP + S->Arch;}
+	inline APT_PURE GrpIterator Group() const { return GrpIterator(*Owner, Owner->GrpP + S->Group);}
+
+	inline VerIterator VersionList() const APT_PURE;
+	inline VerIterator CurrentVer() const APT_PURE;
+	inline DepIterator RevDependsList() const APT_PURE;
+	inline PrvIterator ProvidesList() const APT_PURE;
+	OkState State() const APT_PURE;
+	const char *CandVersion() const APT_PURE;
+	const char *CurVersion() const APT_PURE;
 
 	//Nice printable representation
 	friend std::ostream& operator <<(std::ostream& out, PkgIterator i);
@@ -177,8 +182,8 @@ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> {
 	inline PkgIterator(pkgCache &Owner,Package *Trg) : Iterator<Package, PkgIterator>(Owner, Trg), HashIndex(0) {
 		if (S == 0)
 			S = OwnerPointer();
-	};
-	inline PkgIterator() : Iterator<Package, PkgIterator>(), HashIndex(0) {};
+	}
+	inline PkgIterator() : Iterator<Package, PkgIterator>(), HashIndex(0) {}
 };
 									/*}}}*/
 // Version Iterator							/*{{{*/
@@ -186,12 +191,12 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
 	protected:
 	inline Version* OwnerPointer() const {
 		return (Owner != 0) ? Owner->VerP : 0;
-	};
+	}
 
 	public:
 	// Iteration
-	void operator ++(int) {if (S != Owner->VerP) S = Owner->VerP + S->NextVer;};
-	inline void operator ++() {operator ++(0);};
+	void operator ++(int) {if (S != Owner->VerP) S = Owner->VerP + S->NextVer;}
+	inline void operator ++() {operator ++(0);}
 
 	// Comparison
 	int CompareVer(const VerIterator &B) const;
@@ -201,17 +206,17 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
 	    referring to the same "real" version */
 	inline bool SimilarVer(const VerIterator &B) const {
 		return (B.end() == false && S->Hash == B->Hash && strcmp(VerStr(), B.VerStr()) == 0);
-	};
+	}
 
 	// Accessors
-	inline const char *VerStr() const {return S->VerStr == 0?0:Owner->StrP + S->VerStr;};
-	inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;};
+	inline const char *VerStr() const {return S->VerStr == 0?0:Owner->StrP + S->VerStr;}
+	inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;}
 	inline const char *Arch() const {
 		if ((S->MultiArch & pkgCache::Version::All) == pkgCache::Version::All)
 			return "all";
 		return S->ParentPkg == 0?0:Owner->StrP + ParentPkg()->Arch;
-	};
-	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);};
+	}
+	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);}
 
 	inline DescIterator DescriptionList() const;
 	DescIterator TranslatedDescription() const;
@@ -219,8 +224,8 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
 	inline PrvIterator ProvidesList() const;
 	inline VerFileIterator FileList() const;
 	bool Downloadable() const;
-	inline const char *PriorityType() const {return Owner->Priority(S->Priority);};
-	const char *MultiArchType() const;
+	inline const char *PriorityType() const {return Owner->Priority(S->Priority);}
+	const char *MultiArchType() const APT_PURE;
 	std::string RelStr() const;
 
 	bool Automatic() const;
@@ -229,8 +234,8 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
 	inline VerIterator(pkgCache &Owner,Version *Trg = 0) : Iterator<Version, VerIterator>(Owner, Trg) {
 		if (S == 0)
 			S = OwnerPointer();
-	};
-	inline VerIterator() : Iterator<Version, VerIterator>() {};
+	}
+	inline VerIterator() : Iterator<Version, VerIterator>() {}
 };
 									/*}}}*/
 // Description Iterator							/*{{{*/
@@ -238,26 +243,26 @@ class pkgCache::DescIterator : public Iterator<Description, DescIterator> {
 	protected:
 	inline Description* OwnerPointer() const {
 		return (Owner != 0) ? Owner->DescP : 0;
-	};
+	}
 
 	public:
 	// Iteration
-	void operator ++(int) {if (S != Owner->DescP) S = Owner->DescP + S->NextDesc;};
-	inline void operator ++() {operator ++(0);};
+	void operator ++(int) {if (S != Owner->DescP) S = Owner->DescP + S->NextDesc;}
+	inline void operator ++() {operator ++(0);}
 
 	// Comparison
 	int CompareDesc(const DescIterator &B) const;
 
 	// Accessors
-	inline const char *LanguageCode() const {return Owner->StrP + S->language_code;};
-	inline const char *md5() const {return Owner->StrP + S->md5sum;};
+	inline const char *LanguageCode() const {return Owner->StrP + S->language_code;}
+	inline const char *md5() const {return Owner->StrP + S->md5sum;}
 	inline DescFileIterator FileList() const;
 
-	inline DescIterator() : Iterator<Description, DescIterator>() {};
+	inline DescIterator() : Iterator<Description, DescIterator>() {}
 	inline DescIterator(pkgCache &Owner,Description *Trg = 0) : Iterator<Description, DescIterator>(Owner, Trg) {
 		if (S == 0)
 			S = Owner.DescP;
-	};
+	}
 };
 									/*}}}*/
 // Dependency iterator							/*{{{*/
@@ -267,33 +272,33 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
 	protected:
 	inline Dependency* OwnerPointer() const {
 		return (Owner != 0) ? Owner->DepP : 0;
-	};
+	}
 
 	public:
 	// Iteration
 	void operator ++(int) {if (S != Owner->DepP) S = Owner->DepP +
-		(Type == DepVer ? S->NextDepends : S->NextRevDepends);};
-	inline void operator ++() {operator ++(0);};
+		(Type == DepVer ? S->NextDepends : S->NextRevDepends);}
+	inline void operator ++() {operator ++(0);}
 
 	// Accessors
-	inline const char *TargetVer() const {return S->Version == 0?0:Owner->StrP + S->Version;};
-	inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->Package);};
-	inline PkgIterator SmartTargetPkg() const {PkgIterator R(*Owner,0);SmartTargetPkg(R);return R;};
-	inline VerIterator ParentVer() const {return VerIterator(*Owner,Owner->VerP + S->ParentVer);};
-	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);};
-	inline bool Reverse() const {return Type == DepRev;};
-	bool IsCritical() const;
-	bool IsNegative() const;
-	bool IsIgnorable(PrvIterator const &Prv) const;
-	bool IsIgnorable(PkgIterator const &Pkg) const;
-	bool IsMultiArchImplicit() const;
-	bool IsSatisfied(VerIterator const &Ver) const;
-	bool IsSatisfied(PrvIterator const &Prv) const;
+	inline const char *TargetVer() const {return S->Version == 0?0:Owner->StrP + S->Version;}
+	inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->Package);}
+	inline PkgIterator SmartTargetPkg() const {PkgIterator R(*Owner,0);SmartTargetPkg(R);return R;}
+	inline VerIterator ParentVer() const {return VerIterator(*Owner,Owner->VerP + S->ParentVer);}
+	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);}
+	inline bool Reverse() const {return Type == DepRev;}
+	bool IsCritical() const APT_PURE;
+	bool IsNegative() const APT_PURE;
+	bool IsIgnorable(PrvIterator const &Prv) const APT_PURE;
+	bool IsIgnorable(PkgIterator const &Pkg) const APT_PURE;
+	bool IsMultiArchImplicit() const APT_PURE;
+	bool IsSatisfied(VerIterator const &Ver) const APT_PURE;
+	bool IsSatisfied(PrvIterator const &Prv) const APT_PURE;
 	void GlobOr(DepIterator &Start,DepIterator &End);
 	Version **AllTargets() const;
 	bool SmartTargetPkg(PkgIterator &Result) const;
-	inline const char *CompType() const {return Owner->CompType(S->CompareOp);};
-	inline const char *DepType() const {return Owner->DepType(S->Type);};
+	inline const char *CompType() const {return Owner->CompType(S->CompareOp);}
+	inline const char *DepType() const {return Owner->DepType(S->Type);}
 
 	//Nice printable representation
 	friend std::ostream& operator <<(std::ostream& out, DepIterator D);
@@ -302,13 +307,13 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
 		Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepVer) {
 		if (S == 0)
 			S = Owner.DepP;
-	};
+	}
 	inline DepIterator(pkgCache &Owner, Dependency *Trg, Package*) :
 		Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepRev) {
 		if (S == 0)
 			S = Owner.DepP;
-	};
-	inline DepIterator() : Iterator<Dependency, DepIterator>(), Type(DepVer) {};
+	}
+	inline DepIterator() : Iterator<Dependency, DepIterator>(), Type(DepVer) {}
 };
 									/*}}}*/
 // Provides iterator							/*{{{*/
@@ -318,34 +323,34 @@ class pkgCache::PrvIterator : public Iterator<Provides, PrvIterator> {
 	protected:
 	inline Provides* OwnerPointer() const {
 		return (Owner != 0) ? Owner->ProvideP : 0;
-	};
+	}
 
 	public:
 	// Iteration
 	void operator ++(int) {if (S != Owner->ProvideP) S = Owner->ProvideP +
-		(Type == PrvVer?S->NextPkgProv:S->NextProvides);};
-	inline void operator ++() {operator ++(0);};
+		(Type == PrvVer?S->NextPkgProv:S->NextProvides);}
+	inline void operator ++() {operator ++(0);}
 
 	// Accessors
-	inline const char *Name() const {return Owner->StrP + Owner->PkgP[S->ParentPkg].Name;};
-	inline const char *ProvideVersion() const {return S->ProvideVersion == 0?0:Owner->StrP + S->ProvideVersion;};
-	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);};
-	inline VerIterator OwnerVer() const {return VerIterator(*Owner,Owner->VerP + S->Version);};
-	inline PkgIterator OwnerPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->Version].ParentPkg);};
+	inline const char *Name() const {return Owner->StrP + Owner->PkgP[S->ParentPkg].Name;}
+	inline const char *ProvideVersion() const {return S->ProvideVersion == 0?0:Owner->StrP + S->ProvideVersion;}
+	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);}
+	inline VerIterator OwnerVer() const {return VerIterator(*Owner,Owner->VerP + S->Version);}
+	inline PkgIterator OwnerPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->Version].ParentPkg);}
 
-	bool IsMultiArchImplicit() const;
+	bool IsMultiArchImplicit() const APT_PURE;
 
-	inline PrvIterator() : Iterator<Provides, PrvIterator>(), Type(PrvVer) {};
+	inline PrvIterator() : Iterator<Provides, PrvIterator>(), Type(PrvVer) {}
 	inline PrvIterator(pkgCache &Owner, Provides *Trg, Version*) :
 		Iterator<Provides, PrvIterator>(Owner, Trg), Type(PrvVer) {
 		if (S == 0)
 			S = Owner.ProvideP;
-	};
+	}
 	inline PrvIterator(pkgCache &Owner, Provides *Trg, Package*) :
 		Iterator<Provides, PrvIterator>(Owner, Trg), Type(PrvPkg) {
 		if (S == 0)
 			S = Owner.ProvideP;
-	};
+	}
 };
 									/*}}}*/
 // Package file								/*{{{*/
@@ -353,32 +358,32 @@ class pkgCache::PkgFileIterator : public Iterator<PackageFile, PkgFileIterator>
 	protected:
 	inline PackageFile* OwnerPointer() const {
 		return (Owner != 0) ? Owner->PkgFileP : 0;
-	};
+	}
 
 	public:
 	// Iteration
-	void operator ++(int) {if (S != Owner->PkgFileP) S = Owner->PkgFileP + S->NextFile;};
-	inline void operator ++() {operator ++(0);};
+	void operator ++(int) {if (S != Owner->PkgFileP) S = Owner->PkgFileP + S->NextFile;}
+	inline void operator ++() {operator ++(0);}
 
 	// Accessors
-	inline const char *FileName() const {return S->FileName == 0?0:Owner->StrP + S->FileName;};
-	inline const char *Archive() const {return S->Archive == 0?0:Owner->StrP + S->Archive;};
-	inline const char *Component() const {return S->Component == 0?0:Owner->StrP + S->Component;};
-	inline const char *Version() const {return S->Version == 0?0:Owner->StrP + S->Version;};
-	inline const char *Origin() const {return S->Origin == 0?0:Owner->StrP + S->Origin;};
-	inline const char *Codename() const {return S->Codename ==0?0:Owner->StrP + S->Codename;};
-	inline const char *Label() const {return S->Label == 0?0:Owner->StrP + S->Label;};
-	inline const char *Site() const {return S->Site == 0?0:Owner->StrP + S->Site;};
-	inline const char *Architecture() const {return S->Architecture == 0?0:Owner->StrP + S->Architecture;};
-	inline const char *IndexType() const {return S->IndexType == 0?0:Owner->StrP + S->IndexType;};
+	inline const char *FileName() const {return S->FileName == 0?0:Owner->StrP + S->FileName;}
+	inline const char *Archive() const {return S->Archive == 0?0:Owner->StrP + S->Archive;}
+	inline const char *Component() const {return S->Component == 0?0:Owner->StrP + S->Component;}
+	inline const char *Version() const {return S->Version == 0?0:Owner->StrP + S->Version;}
+	inline const char *Origin() const {return S->Origin == 0?0:Owner->StrP + S->Origin;}
+	inline const char *Codename() const {return S->Codename ==0?0:Owner->StrP + S->Codename;}
+	inline const char *Label() const {return S->Label == 0?0:Owner->StrP + S->Label;}
+	inline const char *Site() const {return S->Site == 0?0:Owner->StrP + S->Site;}
+	inline const char *Architecture() const {return S->Architecture == 0?0:Owner->StrP + S->Architecture;}
+	inline const char *IndexType() const {return S->IndexType == 0?0:Owner->StrP + S->IndexType;}
 
 	bool IsOk();
 	std::string RelStr();
 
 	// Constructors
-	inline PkgFileIterator() : Iterator<PackageFile, PkgFileIterator>() {};
-	inline PkgFileIterator(pkgCache &Owner) : Iterator<PackageFile, PkgFileIterator>(Owner, Owner.PkgFileP) {};
-	inline PkgFileIterator(pkgCache &Owner,PackageFile *Trg) : Iterator<PackageFile, PkgFileIterator>(Owner, Trg) {};
+	inline PkgFileIterator() : Iterator<PackageFile, PkgFileIterator>() {}
+	inline PkgFileIterator(pkgCache &Owner) : Iterator<PackageFile, PkgFileIterator>(Owner, Owner.PkgFileP) {}
+	inline PkgFileIterator(pkgCache &Owner,PackageFile *Trg) : Iterator<PackageFile, PkgFileIterator>(Owner, Trg) {}
 };
 									/*}}}*/
 // Version File								/*{{{*/
@@ -386,18 +391,18 @@ class pkgCache::VerFileIterator : public pkgCache::Iterator<VerFile, VerFileIter
 	protected:
 	inline VerFile* OwnerPointer() const {
 		return (Owner != 0) ? Owner->VerFileP : 0;
-	};
+	}
 
 	public:
 	// Iteration
-	void operator ++(int) {if (S != Owner->VerFileP) S = Owner->VerFileP + S->NextFile;};
-	inline void operator ++() {operator ++(0);};
+	void operator ++(int) {if (S != Owner->VerFileP) S = Owner->VerFileP + S->NextFile;}
+	inline void operator ++() {operator ++(0);}
 
 	// Accessors
-	inline PkgFileIterator File() const {return PkgFileIterator(*Owner,S->File + Owner->PkgFileP);};
+	inline PkgFileIterator File() const {return PkgFileIterator(*Owner,S->File + Owner->PkgFileP);}
 
-	inline VerFileIterator() : Iterator<VerFile, VerFileIterator>() {};
-	inline VerFileIterator(pkgCache &Owner,VerFile *Trg) : Iterator<VerFile, VerFileIterator>(Owner, Trg) {};
+	inline VerFileIterator() : Iterator<VerFile, VerFileIterator>() {}
+	inline VerFileIterator(pkgCache &Owner,VerFile *Trg) : Iterator<VerFile, VerFileIterator>(Owner, Trg) {}
 };
 									/*}}}*/
 // Description File							/*{{{*/
@@ -405,40 +410,40 @@ class pkgCache::DescFileIterator : public Iterator<DescFile, DescFileIterator> {
 	protected:
 	inline DescFile* OwnerPointer() const {
 		return (Owner != 0) ? Owner->DescFileP : 0;
-	};
+	}
 
 	public:
 	// Iteration
-	void operator ++(int) {if (S != Owner->DescFileP) S = Owner->DescFileP + S->NextFile;};
-	inline void operator ++() {operator ++(0);};
+	void operator ++(int) {if (S != Owner->DescFileP) S = Owner->DescFileP + S->NextFile;}
+	inline void operator ++() {operator ++(0);}
 
 	// Accessors
-	inline PkgFileIterator File() const {return PkgFileIterator(*Owner,S->File + Owner->PkgFileP);};
+	inline PkgFileIterator File() const {return PkgFileIterator(*Owner,S->File + Owner->PkgFileP);}
 
-	inline DescFileIterator() : Iterator<DescFile, DescFileIterator>() {};
-	inline DescFileIterator(pkgCache &Owner,DescFile *Trg) : Iterator<DescFile, DescFileIterator>(Owner, Trg) {};
+	inline DescFileIterator() : Iterator<DescFile, DescFileIterator>() {}
+	inline DescFileIterator(pkgCache &Owner,DescFile *Trg) : Iterator<DescFile, DescFileIterator>(Owner, Trg) {}
 };
 									/*}}}*/
 // Inlined Begin functions can't be in the class because of order problems /*{{{*/
 inline pkgCache::PkgIterator pkgCache::GrpIterator::PackageList() const
-       {return PkgIterator(*Owner,Owner->PkgP + S->FirstPackage);};
+       {return PkgIterator(*Owner,Owner->PkgP + S->FirstPackage);}
 inline pkgCache::VerIterator pkgCache::PkgIterator::VersionList() const
-       {return VerIterator(*Owner,Owner->VerP + S->VersionList);};
+       {return VerIterator(*Owner,Owner->VerP + S->VersionList);}
 inline pkgCache::VerIterator pkgCache::PkgIterator::CurrentVer() const
-       {return VerIterator(*Owner,Owner->VerP + S->CurrentVer);};
+       {return VerIterator(*Owner,Owner->VerP + S->CurrentVer);}
 inline pkgCache::DepIterator pkgCache::PkgIterator::RevDependsList() const
-       {return DepIterator(*Owner,Owner->DepP + S->RevDepends,S);};
+       {return DepIterator(*Owner,Owner->DepP + S->RevDepends,S);}
 inline pkgCache::PrvIterator pkgCache::PkgIterator::ProvidesList() const
-       {return PrvIterator(*Owner,Owner->ProvideP + S->ProvidesList,S);};
+       {return PrvIterator(*Owner,Owner->ProvideP + S->ProvidesList,S);}
 inline pkgCache::DescIterator pkgCache::VerIterator::DescriptionList() const
-       {return DescIterator(*Owner,Owner->DescP + S->DescriptionList);};
+       {return DescIterator(*Owner,Owner->DescP + S->DescriptionList);}
 inline pkgCache::PrvIterator pkgCache::VerIterator::ProvidesList() const
-       {return PrvIterator(*Owner,Owner->ProvideP + S->ProvidesList,S);};
+       {return PrvIterator(*Owner,Owner->ProvideP + S->ProvidesList,S);}
 inline pkgCache::DepIterator pkgCache::VerIterator::DependsList() const
-       {return DepIterator(*Owner,Owner->DepP + S->DependsList,S);};
+       {return DepIterator(*Owner,Owner->DepP + S->DependsList,S);}
 inline pkgCache::VerFileIterator pkgCache::VerIterator::FileList() const
-       {return VerFileIterator(*Owner,Owner->VerFileP + S->FileList);};
+       {return VerFileIterator(*Owner,Owner->VerFileP + S->FileList);}
 inline pkgCache::DescFileIterator pkgCache::DescIterator::FileList() const
-       {return DescFileIterator(*Owner,Owner->DescFileP + S->FileList);};
+       {return DescFileIterator(*Owner,Owner->DescFileP + S->FileList);}
 									/*}}}*/
 #endif
diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc
index 6b6fdb5ad..d453a2bfb 100644
--- a/apt-pkg/cacheset.cc
+++ b/apt-pkg/cacheset.cc
@@ -16,14 +16,22 @@
 #include <apt-pkg/cachefilter.h>
 #include <apt-pkg/cacheset.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/strutl.h>
 #include <apt-pkg/versionmatch.h>
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/policy.h>
-
-#include <vector>
-
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
 #include <regex.h>
+#include <list>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -588,13 +596,13 @@ pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache,
 }
 									/*}}}*/
 // canNotFindTask - handle the case no package is found for a task	/*{{{*/
-void CacheSetHelper::canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
+void CacheSetHelper::canNotFindTask(PackageContainerInterface * const /*pci*/, pkgCacheFile &/*Cache*/, std::string pattern) {
 	if (ShowError == true)
 		_error->Insert(ErrorType, _("Couldn't find task '%s'"), pattern.c_str());
 }
 									/*}}}*/
 // canNotFindRegEx - handle the case no package is found by a regex	/*{{{*/
-void CacheSetHelper::canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
+void CacheSetHelper::canNotFindRegEx(PackageContainerInterface * const /*pci*/, pkgCacheFile &/*Cache*/, std::string pattern) {
 	if (ShowError == true)
 		_error->Insert(ErrorType, _("Couldn't find any package by regex '%s'"), pattern.c_str());
 }
@@ -606,25 +614,25 @@ void CacheSetHelper::canNotFindFnmatch(PackageContainerInterface * const pci, pk
 }
 #endif									/*}}}*/
 // canNotFindPackage - handle the case no package is found from a string/*{{{*/
-void CacheSetHelper::canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str) {
+APT_CONST void CacheSetHelper::canNotFindPackage(PackageContainerInterface * const /*pci*/, pkgCacheFile &/*Cache*/, std::string const &/*str*/) {
 }
 									/*}}}*/
 // canNotFindAllVer							/*{{{*/
-void CacheSetHelper::canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+void CacheSetHelper::canNotFindAllVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &/*Cache*/,
 		pkgCache::PkgIterator const &Pkg) {
 	if (ShowError == true)
 		_error->Insert(ErrorType, _("Can't select versions from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str());
 }
 									/*}}}*/
 // canNotFindInstCandVer						/*{{{*/
-void CacheSetHelper::canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+void CacheSetHelper::canNotFindInstCandVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &/*Cache*/,
 		pkgCache::PkgIterator const &Pkg) {
 	if (ShowError == true)
 		_error->Insert(ErrorType, _("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str());
 }
 									/*}}}*/
 // canNotFindInstCandVer						/*{{{*/
-void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &/*Cache*/,
 		pkgCache::PkgIterator const &Pkg) {
 	if (ShowError == true)
 		_error->Insert(ErrorType, _("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str());
@@ -655,27 +663,27 @@ pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache
 }
 									/*}}}*/
 // showTaskSelection							/*{{{*/
-void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &pkg,
-				       std::string const &pattern) {
+APT_CONST void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &/*pkg*/,
+				       std::string const &/*pattern*/) {
 }
 									/*}}}*/
 // showRegExSelection							/*{{{*/
-void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &pkg,
-					std::string const &pattern) {
+APT_CONST void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &/*pkg*/,
+					std::string const &/*pattern*/) {
 }
 									/*}}}*/
 #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
 // showFnmatchSelection							/*{{{*/
-void CacheSetHelper::showFnmatchSelection(pkgCache::PkgIterator const &pkg,
+APT_CONST void CacheSetHelper::showFnmatchSelection(pkgCache::PkgIterator const &pkg,
                                           std::string const &pattern) {
 }
 									/*}}}*/
 #endif
 // showSelectedVersion							/*{{{*/
-void CacheSetHelper::showSelectedVersion(pkgCache::PkgIterator const &Pkg,
-					 pkgCache::VerIterator const Ver,
-					 std::string const &ver,
-					 bool const verIsRel) {
+APT_CONST void CacheSetHelper::showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/,
+					 pkgCache::VerIterator const /*Ver*/,
+					 std::string const &/*ver*/,
+					 bool const /*verIsRel*/) {
 }
 									/*}}}*/
 }
diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h
index b69d74b8e..16a3daa42 100644
--- a/apt-pkg/cacheset.h
+++ b/apt-pkg/cacheset.h
@@ -9,7 +9,6 @@
 #ifndef APT_CACHESET_H
 #define APT_CACHESET_H
 // Include Files							/*{{{*/
-#include <iostream>
 #include <fstream>
 #include <map>
 #include <set>
@@ -17,12 +16,18 @@
 #include <string>
 #include <iterator>
 
+#include <stddef.h>
+
 #include <apt-pkg/error.h>
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/cachefile.h>
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <iostream>
+#endif
 									/*}}}*/
 
 class pkgCacheFile;
@@ -43,8 +48,8 @@ class CacheSetHelper {							/*{{{*/
 public:									/*{{{*/
 	CacheSetHelper(bool const ShowError = true,
 		GlobalError::MsgType ErrorType = GlobalError::ERROR) :
-			ShowError(ShowError), ErrorType(ErrorType) {};
-	virtual ~CacheSetHelper() {};
+			ShowError(ShowError), ErrorType(ErrorType) {}
+	virtual ~CacheSetHelper() {}
 
 	virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
 	virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
@@ -76,9 +81,9 @@ public:									/*{{{*/
 	virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache,
 				pkgCache::PkgIterator const &Pkg);
 
-	bool showErrors() const { return ShowError; };
-	bool showErrors(bool const newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); };
-	GlobalError::MsgType errorType() const { return ErrorType; };
+	bool showErrors() const { return ShowError; }
+	bool showErrors(bool const newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); }
+	GlobalError::MsgType errorType() const { return ErrorType; }
 	GlobalError::MsgType errorType(GlobalError::MsgType const &newValue)
 	{
 		if (ErrorType == newValue) return ErrorType;
@@ -87,7 +92,7 @@ public:									/*{{{*/
 			ErrorType = newValue;
 			return oldValue;
 		}
-	};
+	}
 
 									/*}}}*/
 protected:
@@ -124,12 +129,12 @@ public:
 		inline pkgCache::PkgIterator::OkState State() const { return getPkg().State(); }
 		inline const char *CandVersion() const { return getPkg().CandVersion(); }
 		inline const char *CurVersion() const { return getPkg().CurVersion(); }
-		inline pkgCache *Cache() const { return getPkg().Cache(); };
-		inline unsigned long Index() const {return getPkg().Index();};
+		inline pkgCache *Cache() const { return getPkg().Cache(); }
+		inline unsigned long Index() const {return getPkg().Index();}
 		// we have only valid iterators here
-		inline bool end() const { return false; };
+		inline bool end() const { return false; }
 
-		inline pkgCache::Package const * operator->() const {return &*getPkg();};
+		inline pkgCache::Package const * operator->() const {return &*getPkg();}
 	};
 									/*}}}*/
 
@@ -154,7 +159,7 @@ public:
 		unsigned short ID;
 		const char * const Alias;
 		Position Pos;
-		Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {};
+		Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {}
 	};
 
 	static bool FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
@@ -177,12 +182,12 @@ public:									/*{{{*/
 	public:
 		const_iterator(typename Container::const_iterator i) : _iter(i) {}
 		pkgCache::PkgIterator getPkg(void) const { return *_iter; }
-		inline pkgCache::PkgIterator operator*(void) const { return *_iter; };
+		inline pkgCache::PkgIterator operator*(void) const { return *_iter; }
 		operator typename Container::const_iterator(void) const { return _iter; }
 		inline const_iterator& operator++() { ++_iter; return *this; }
 		inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(const_iterator const &i) const { return _iter == i._iter; };
+		inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; }
+		inline bool operator==(const_iterator const &i) const { return _iter == i._iter; }
 		friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
 	};
 	class iterator : public PackageContainerInterface::const_iterator,
@@ -191,43 +196,43 @@ public:									/*{{{*/
 	public:
 		iterator(typename Container::iterator i) : _iter(i) {}
 		pkgCache::PkgIterator getPkg(void) const { return *_iter; }
-		inline pkgCache::PkgIterator operator*(void) const { return *_iter; };
+		inline pkgCache::PkgIterator operator*(void) const { return *_iter; }
 		operator typename Container::iterator(void) const { return _iter; }
 		operator typename PackageContainer<Container>::const_iterator() { return typename PackageContainer<Container>::const_iterator(_iter); }
 		inline iterator& operator++() { ++_iter; return *this; }
 		inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(iterator const &i) const { return _iter == i._iter; };
-		inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; };
-		inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; };
+		inline bool operator!=(iterator const &i) const { return _iter != i._iter; }
+		inline bool operator==(iterator const &i) const { return _iter == i._iter; }
+		inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; }
+		inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; }
 		friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); }
 	};
 									/*}}}*/
 
-	bool insert(pkgCache::PkgIterator const &P) { if (P.end() == true) return false; _cont.insert(P); return true; };
-	template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); };
-	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); };
+	bool insert(pkgCache::PkgIterator const &P) { if (P.end() == true) return false; _cont.insert(P); return true; }
+	template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); }
+	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
 
-	bool empty() const { return _cont.empty(); };
-	void clear() { return _cont.clear(); };
+	bool empty() const { return _cont.empty(); }
+	void clear() { return _cont.clear(); }
 	//FIXME: on ABI break, replace the first with the second without bool
-	void erase(iterator position) { _cont.erase((typename Container::iterator)position); };
-	iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); };
-	size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); };
-	void erase(iterator first, iterator last) { _cont.erase(first, last); };
-	size_t size() const { return _cont.size(); };
+	void erase(iterator position) { _cont.erase((typename Container::iterator)position); }
+	iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); }
+	size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); }
+	void erase(iterator first, iterator last) { _cont.erase(first, last); }
+	size_t size() const { return _cont.size(); }
 
-	const_iterator begin() const { return const_iterator(_cont.begin()); };
-	const_iterator end() const { return const_iterator(_cont.end()); };
-	iterator begin() { return iterator(_cont.begin()); };
-	iterator end() { return iterator(_cont.end()); };
-	const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); };
+	const_iterator begin() const { return const_iterator(_cont.begin()); }
+	const_iterator end() const { return const_iterator(_cont.end()); }
+	iterator begin() { return iterator(_cont.begin()); }
+	iterator end() { return iterator(_cont.end()); }
+	const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); }
 
-	void setConstructor(Constructor const &by) { ConstructedBy = by; };
-	Constructor getConstructor() const { return ConstructedBy; };
+	void setConstructor(Constructor const &by) { ConstructedBy = by; }
+	Constructor getConstructor() const { return ConstructedBy; }
 
-	PackageContainer() : ConstructedBy(UNKNOWN) {};
-	PackageContainer(Constructor const &by) : ConstructedBy(by) {};
+	PackageContainer() : ConstructedBy(UNKNOWN) {}
+	PackageContainer(Constructor const &by) : ConstructedBy(by) {}
 
 	/** \brief returns all packages in the cache who belong to the given task
 
@@ -365,7 +370,7 @@ private:								/*{{{*/
 template<> template<class Cont> void PackageContainer<std::list<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
 	for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
 		_cont.push_back(*p);
-};
+}
 // these two are 'inline' as otherwise the linker has problems with seeing these untemplated
 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
@@ -373,11 +378,11 @@ template<> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::inse
 		return false;
 	_cont.push_back(P);
 	return true;
-};
+}
 template<> inline void PackageContainer<std::list<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
 	for (const_iterator p = begin; p != end; ++p)
 		_cont.push_back(*p);
-};
+}
 typedef PackageContainer<std::set<pkgCache::PkgIterator> > PackageSet;
 typedef PackageContainer<std::list<pkgCache::PkgIterator> > PackageList;
 
@@ -392,27 +397,27 @@ public:
 		virtual pkgCache::VerIterator getVer() const = 0;
 		operator pkgCache::VerIterator(void) { return getVer(); }
 
-		inline pkgCache *Cache() const { return getVer().Cache(); };
-		inline unsigned long Index() const {return getVer().Index();};
-		inline int CompareVer(const pkgCache::VerIterator &B) const { return getVer().CompareVer(B); };
-		inline const char *VerStr() const { return getVer().VerStr(); };
-		inline const char *Section() const { return getVer().Section(); };
-		inline const char *Arch() const { return getVer().Arch(); };
-		inline pkgCache::PkgIterator ParentPkg() const { return getVer().ParentPkg(); };
-		inline pkgCache::DescIterator DescriptionList() const { return getVer().DescriptionList(); };
-		inline pkgCache::DescIterator TranslatedDescription() const { return getVer().TranslatedDescription(); };
-		inline pkgCache::DepIterator DependsList() const { return getVer().DependsList(); };
-		inline pkgCache::PrvIterator ProvidesList() const { return getVer().ProvidesList(); };
-		inline pkgCache::VerFileIterator FileList() const { return getVer().FileList(); };
-		inline bool Downloadable() const { return getVer().Downloadable(); };
-		inline const char *PriorityType() const { return getVer().PriorityType(); };
-		inline std::string RelStr() const { return getVer().RelStr(); };
-		inline bool Automatic() const { return getVer().Automatic(); };
-		inline pkgCache::VerFileIterator NewestFile() const { return getVer().NewestFile(); };
+		inline pkgCache *Cache() const { return getVer().Cache(); }
+		inline unsigned long Index() const {return getVer().Index();}
+		inline int CompareVer(const pkgCache::VerIterator &B) const { return getVer().CompareVer(B); }
+		inline const char *VerStr() const { return getVer().VerStr(); }
+		inline const char *Section() const { return getVer().Section(); }
+		inline const char *Arch() const { return getVer().Arch(); }
+		inline pkgCache::PkgIterator ParentPkg() const { return getVer().ParentPkg(); }
+		inline pkgCache::DescIterator DescriptionList() const { return getVer().DescriptionList(); }
+		inline pkgCache::DescIterator TranslatedDescription() const { return getVer().TranslatedDescription(); }
+		inline pkgCache::DepIterator DependsList() const { return getVer().DependsList(); }
+		inline pkgCache::PrvIterator ProvidesList() const { return getVer().ProvidesList(); }
+		inline pkgCache::VerFileIterator FileList() const { return getVer().FileList(); }
+		inline bool Downloadable() const { return getVer().Downloadable(); }
+		inline const char *PriorityType() const { return getVer().PriorityType(); }
+		inline std::string RelStr() const { return getVer().RelStr(); }
+		inline bool Automatic() const { return getVer().Automatic(); }
+		inline pkgCache::VerFileIterator NewestFile() const { return getVer().NewestFile(); }
 		// we have only valid iterators here
-		inline bool end() const { return false; };
+		inline bool end() const { return false; }
 
-		inline pkgCache::Version const * operator->() const { return &*getVer(); };
+		inline pkgCache::Version const * operator->() const { return &*getVer(); }
 	};
 									/*}}}*/
 
@@ -446,7 +451,7 @@ public:
 		Version SelectVersion;
 		Modifier (unsigned short const &id, const char * const alias, Position const &pos,
 			  Version const &select) : ID(id), Alias(alias), Pos(pos),
-			 SelectVersion(select) {};
+			 SelectVersion(select) {}
 	};
 
 	static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache,
@@ -479,14 +484,16 @@ protected:								/*{{{*/
 	/** \brief returns the candidate version of the package
 
 	    \param Cache to be used to query for information
-	    \param Pkg we want the candidate version from this package */
+	    \param Pkg we want the candidate version from this package
+	    \param helper used in this container instance */
 	static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache,
 		pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
 
 	/** \brief returns the installed version of the package
 
 	    \param Cache to be used to query for information
-	    \param Pkg we want the installed version from this package */
+	    \param Pkg we want the installed version from this package
+	    \param helper used in this container instance */
 	static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
 		pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
 									/*}}}*/
@@ -507,12 +514,12 @@ public:									/*{{{*/
 	public:
 		const_iterator(typename Container::const_iterator i) : _iter(i) {}
 		pkgCache::VerIterator getVer(void) const { return *_iter; }
-		inline pkgCache::VerIterator operator*(void) const { return *_iter; };
+		inline pkgCache::VerIterator operator*(void) const { return *_iter; }
 		operator typename Container::const_iterator(void) const { return _iter; }
 		inline const_iterator& operator++() { ++_iter; return *this; }
 		inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(const_iterator const &i) const { return _iter == i._iter; };
+		inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; }
+		inline bool operator==(const_iterator const &i) const { return _iter == i._iter; }
 		friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
 	};
 	class iterator : public VersionContainerInterface::const_iterator,
@@ -521,36 +528,36 @@ public:									/*{{{*/
 	public:
 		iterator(typename Container::iterator i) : _iter(i) {}
 		pkgCache::VerIterator getVer(void) const { return *_iter; }
-		inline pkgCache::VerIterator operator*(void) const { return *_iter; };
+		inline pkgCache::VerIterator operator*(void) const { return *_iter; }
 		operator typename Container::iterator(void) const { return _iter; }
 		operator typename VersionContainer<Container>::const_iterator() { return typename VersionContainer<Container>::const_iterator(_iter); }
 		inline iterator& operator++() { ++_iter; return *this; }
 		inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(iterator const &i) const { return _iter == i._iter; };
-		inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; };
-		inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; };
+		inline bool operator!=(iterator const &i) const { return _iter != i._iter; }
+		inline bool operator==(iterator const &i) const { return _iter == i._iter; }
+		inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; }
+		inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; }
 		friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); }
 	};
 									/*}}}*/
 
-	bool insert(pkgCache::VerIterator const &V) { if (V.end() == true) return false; _cont.insert(V); return true; };
-	template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); };
-	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); };
-	bool empty() const { return _cont.empty(); };
-	void clear() { return _cont.clear(); };
+	bool insert(pkgCache::VerIterator const &V) { if (V.end() == true) return false; _cont.insert(V); return true; }
+	template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); }
+	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
+	bool empty() const { return _cont.empty(); }
+	void clear() { return _cont.clear(); }
 	//FIXME: on ABI break, replace the first with the second without bool
-	void erase(iterator position) { _cont.erase((typename Container::iterator)position); };
-	iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); };
-	size_t erase(const pkgCache::VerIterator x) { return _cont.erase(x); };
-	void erase(iterator first, iterator last) { _cont.erase(first, last); };
-	size_t size() const { return _cont.size(); };
-
-	const_iterator begin() const { return const_iterator(_cont.begin()); };
-	const_iterator end() const { return const_iterator(_cont.end()); };
-	iterator begin() { return iterator(_cont.begin()); };
-	iterator end() { return iterator(_cont.end()); };
-	const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); };
+	void erase(iterator position) { _cont.erase((typename Container::iterator)position); }
+	iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); }
+	size_t erase(const pkgCache::VerIterator x) { return _cont.erase(x); }
+	void erase(iterator first, iterator last) { _cont.erase(first, last); }
+	size_t size() const { return _cont.size(); }
+
+	const_iterator begin() const { return const_iterator(_cont.begin()); }
+	const_iterator end() const { return const_iterator(_cont.end()); }
+	iterator begin() { return iterator(_cont.begin()); }
+	iterator end() { return iterator(_cont.end()); }
+	const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); }
 
 	/** \brief returns all versions specified on the commandline
 
@@ -558,6 +565,7 @@ public:									/*{{{*/
 	    non specifically requested  and executes regex's if needed on names.
 	    \param Cache the packages and versions are in
 	    \param cmdline Command line the versions should be extracted from
+	    \param fallback version specification
 	    \param helper responsible for error and message handling */
 	static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
 			Version const &fallback, CacheSetHelper &helper) {
@@ -656,7 +664,7 @@ public:									/*{{{*/
 template<> template<class Cont> void VersionContainer<std::list<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
 	for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
 		_cont.push_back(*v);
-};
+}
 // these two are 'inline' as otherwise the linker has problems with seeing these untemplated
 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
@@ -664,11 +672,11 @@ template<> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::inse
 		return false;
 	_cont.push_back(V);
 	return true;
-};
+}
 template<> inline void VersionContainer<std::list<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
 	for (const_iterator v = begin; v != end; ++v)
 		_cont.push_back(*v);
-};
+}
 typedef VersionContainer<std::set<pkgCache::VerIterator> > VersionSet;
 typedef VersionContainer<std::list<pkgCache::VerIterator> > VersionList;
 }
diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index 3ae1e8b1d..2635ede76 100644
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -1,28 +1,30 @@
 /*
  */
-#include<config.h>
-
-#include<apt-pkg/init.h>
-#include<apt-pkg/error.h>
-#include<apt-pkg/cdromutl.h>
-#include<apt-pkg/strutl.h>
-#include<apt-pkg/cdrom.h>
-#include<apt-pkg/aptconfiguration.h>
-#include<apt-pkg/configuration.h>
-#include<apt-pkg/fileutl.h>
-
-#include<sstream>
-#include<fstream>
+#include <config.h>
+
+#include <apt-pkg/error.h>
+#include <apt-pkg/cdromutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/cdrom.h>
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexcopy.h>
+
+
+#include <string.h>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <sstream>
+#include <fstream>
 #include <sys/stat.h>
-#include <fcntl.h>
 #include <dirent.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <algorithm>
 #include <dlfcn.h>
 
-#include "indexcopy.h"
-
 #include<apti18n.h>
 
 using namespace std;
@@ -369,7 +371,7 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 // ---------------------------------------------------------------------
 /* This takes the list of source list expressed entires and collects
    similar ones to form a single entry for each dist */
-void pkgCdrom::ReduceSourcelist(string CD,vector<string> &List)
+void pkgCdrom::ReduceSourcelist(string /*CD*/,vector<string> &List)
 {
    sort(List.begin(),List.end());
    
@@ -440,7 +442,7 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf)
    Out.close();
 
    if (FileExists(DFile) == true)
-      rename(DFile.c_str(), string(DFile + '~').c_str());
+      rename(DFile.c_str(), (DFile + '~').c_str());
    if (rename(NewFile.c_str(),DFile.c_str()) != 0)
       return _error->Errno("rename","Failed to rename %s.new to %s",
 			   DFile.c_str(),DFile.c_str());
@@ -553,7 +555,7 @@ bool pkgCdrom::WriteSourceList(string Name,vector<string> &List,bool Source)
    
    Out.close();
 
-   rename(File.c_str(),string(File + '~').c_str());
+   rename(File.c_str(), (File + '~').c_str());
    if (rename(NewFile.c_str(),File.c_str()) != 0)
       return _error->Errno("rename","Failed to rename %s.new to %s",
 			   File.c_str(),File.c_str());
@@ -561,7 +563,7 @@ bool pkgCdrom::WriteSourceList(string Name,vector<string> &List,bool Source)
    return true;
 }
 									/*}}}*/
-bool pkgCdrom::MountAndIdentCDROM(Configuration &Database, std::string &CDROM, std::string &ident, pkgCdromStatus * const log)/*{{{*/
+bool pkgCdrom::MountAndIdentCDROM(Configuration &Database, std::string &CDROM, std::string &ident, pkgCdromStatus * const log, bool const interactive)/*{{{*/
 {
    // Startup
    CDROM = _config->FindDir("Acquire::cdrom::mount");
@@ -579,16 +581,19 @@ bool pkgCdrom::MountAndIdentCDROM(Configuration &Database, std::string &CDROM, s
    // Unmount the CD and get the user to put in the one they want
    if (_config->FindB("APT::CDROM::NoMount", false) == false)
    {
-      if(log != NULL)
-	 log->Update(_("Unmounting CD-ROM\n"), STEP_UNMOUNT);
-      UnmountCdrom(CDROM);
-
-      if(log != NULL)
+      if (interactive == true)
       {
-	 log->Update(_("Waiting for disc...\n"), STEP_WAIT);
-	 if(!log->ChangeCdrom()) {
-	    // user aborted
-	    return false;
+	 if(log != NULL)
+	    log->Update(_("Unmounting CD-ROM...\n"), STEP_LAST);
+	 UnmountCdrom(CDROM);
+
+	 if(log != NULL)
+	 {
+	    log->Update(_("Waiting for disc...\n"), STEP_WAIT);
+	    if(!log->ChangeCdrom()) {
+	       // user aborted
+	       return false;
+	    }
 	 }
       }
 
@@ -602,7 +607,7 @@ bool pkgCdrom::MountAndIdentCDROM(Configuration &Database, std::string &CDROM, s
 
    // Hash the CD to get an ID
    if (log != NULL)
-      log->Update(_("Identifying.. "), STEP_IDENT);
+      log->Update(_("Identifying... "), STEP_IDENT);
 
    if (IdentCdrom(CDROM,ident) == false)
    {
@@ -634,7 +639,7 @@ bool pkgCdrom::Ident(string &ident, pkgCdromStatus *log)		/*{{{*/
 {
    Configuration Database;
    std::string CDROM;
-   if (MountAndIdentCDROM(Database, CDROM, ident, log) == false)
+   if (MountAndIdentCDROM(Database, CDROM, ident, log, false) == false)
       return false;
 
    if (log != NULL)
@@ -660,11 +665,11 @@ bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
 {
    Configuration Database;
    std::string ID, CDROM;
-   if (MountAndIdentCDROM(Database, CDROM, ID, log) == false)
+   if (MountAndIdentCDROM(Database, CDROM, ID, log, true) == false)
       return false;
 
    if(log != NULL)
-      log->Update(_("Scanning disc for index files..\n"),STEP_SCAN);
+      log->Update(_("Scanning disc for index files...\n"),STEP_SCAN);
 
    // Get the CD structure
    vector<string> List;
@@ -737,7 +742,7 @@ bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
       if (InfoDir.empty() == false &&
 	  FileExists(InfoDir + "/info") == true)
       {
-	 ifstream F(string(InfoDir + "/info").c_str());
+	 ifstream F((InfoDir + "/info").c_str());
 	 if (!F == 0)
 	    getline(F,Name);
 
@@ -933,10 +938,10 @@ pkgUdevCdromDevices::Dlopen()                     		        /*{{{*/
 // convenience interface, this will just call ScanForRemovable
 vector<CdromDevice>
 pkgUdevCdromDevices::Scan()
-{ 
+{
    bool CdromOnly = _config->FindB("APT::cdrom::CdromOnly", true);
-   return ScanForRemovable(CdromOnly); 
-};
+   return ScanForRemovable(CdromOnly);
+}
 									/*}}}*/
                                                                         /*{{{*/
 vector<CdromDevice>
@@ -981,7 +986,7 @@ pkgUdevCdromDevices::ScanForRemovable(bool CdromOnly)
       cdrom.DeviceName = string(devnode);
       if (mountpath != "") {
 	 cdrom.MountPath = mountpath;
-	 string s = string(mountpath);
+	 string s = mountpath;
 	 cdrom.Mounted = IsMounted(s);
       } else {
 	 cdrom.Mounted = false;
diff --git a/apt-pkg/cdrom.h b/apt-pkg/cdrom.h
index c58593550..0f2c2cd02 100644
--- a/apt-pkg/cdrom.h
+++ b/apt-pkg/cdrom.h
@@ -1,9 +1,13 @@
 #ifndef PKGLIB_CDROM_H
 #define PKGLIB_CDROM_H
 
+#include <apt-pkg/macros.h>
+
 #include<string>
 #include<vector>
 
+#include <stddef.h>
+
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/init.h>
 using namespace std;
@@ -71,8 +75,8 @@ class pkgCdrom								/*{{{*/
    bool Add(pkgCdromStatus *log);
 
  private:
-   bool MountAndIdentCDROM(Configuration &Database, std::string &CDROM,
-	 std::string &ident, pkgCdromStatus * const log);
+   APT_HIDDEN bool MountAndIdentCDROM(Configuration &Database, std::string &CDROM,
+	 std::string &ident, pkgCdromStatus * const log, bool const interactive);
 };
 									/*}}}*/
 
diff --git a/apt-pkg/clean.cc b/apt-pkg/clean.cc
index 2dea8ffdd..0ee3b765d 100644
--- a/apt-pkg/clean.cc
+++ b/apt-pkg/clean.cc
@@ -16,7 +16,11 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
+#include <string>
+#include <string.h>
 #include <dirent.h>
 #include <sys/stat.h>
 #include <unistd.h>
diff --git a/apt-pkg/clean.h b/apt-pkg/clean.h
index ad4049e83..930d54a7f 100644
--- a/apt-pkg/clean.h
+++ b/apt-pkg/clean.h
@@ -10,8 +10,13 @@
 #ifndef APTPKG_CLEAN_H
 #define APTPKG_CLEAN_H
 
-
+#ifndef APT_10_CLEANER_HEADERS
 #include <apt-pkg/pkgcache.h>
+#endif
+
+#include <string>
+
+class pkgCache;
 
 class pkgArchiveCleaner
 {
diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 20210ec0a..936e377fb 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -19,7 +19,11 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
 
-#include <sys/wait.h>
+#include <stdlib.h>
+#include <string.h>
+#include <iostream>
+#include <string>
+#include <vector>
 #include <sys/statvfs.h>
 #include <dirent.h>
 #include <fcntl.h>
@@ -42,11 +46,16 @@ bool IsMounted(string &Path)
 {
    if (Path.empty() == true)
       return false;
-   
+
    // Need that trailing slash for directories
    if (Path[Path.length() - 1] != '/')
       Path += '/';
-   
+
+   // if the path has a ".disk" directory we treat it as mounted
+   // this way even extracted copies of disks are recognized
+   if (DirectoryExists(Path + ".disk/") == true)
+      return true;
+
    /* First we check if the path is actually mounted, we do this by
       stating the path and the previous directory (careful of links!)
       and comparing their device fields. */
@@ -66,7 +75,13 @@ bool IsMounted(string &Path)
    leave /etc/mtab inconsitant. We drop all messages this produces. */
 bool UnmountCdrom(string Path)
 {
-   if (IsMounted(Path) == false)
+   // do not generate errors, even if the mountpoint does not exist
+   // the mountpoint might be auto-created by the mount command
+   // and a non-existing mountpoint is surely not mounted
+   _error->PushToStack();
+   bool const mounted = IsMounted(Path);
+   _error->RevertToStack();
+   if (mounted == false)
       return true;
 
    for (int i=0;i<3;i++)
@@ -78,8 +93,9 @@ bool UnmountCdrom(string Path)
       if (Child == 0)
       {
 	 // Make all the fds /dev/null
-	 for (int I = 0; I != 3; I++)
-	    dup2(open("/dev/null",O_RDWR),I);
+	 int const null_fd = open("/dev/null",O_RDWR);
+	 for (int I = 0; I != 3; ++I)
+	    dup2(null_fd, I);
 
 	 if (_config->Exists("Acquire::cdrom::"+Path+"::UMount") == true)
 	 {
@@ -113,19 +129,24 @@ bool UnmountCdrom(string Path)
 /* We fork mount and drop all messages */
 bool MountCdrom(string Path, string DeviceName)
 {
-   if (IsMounted(Path) == true)
+   // do not generate errors, even if the mountpoint does not exist
+   // the mountpoint might be auto-created by the mount command
+   _error->PushToStack();
+   bool const mounted = IsMounted(Path);
+   _error->RevertToStack();
+   if (mounted == true)
       return true;
-   
+
    int Child = ExecFork();
 
    // The child
    if (Child == 0)
    {
       // Make all the fds /dev/null
-      int null_fd = open("/dev/null",O_RDWR);
-      for (int I = 0; I != 3; I++)
+      int const null_fd = open("/dev/null",O_RDWR);
+      for (int I = 0; I != 3; ++I)
 	 dup2(null_fd, I);
-      
+
       if (_config->Exists("Acquire::cdrom::"+Path+"::Mount") == true)
       {
 	 if (system(_config->Find("Acquire::cdrom::"+Path+"::Mount").c_str()) != 0)
@@ -242,37 +263,34 @@ bool IdentCdrom(string CD,string &Res,unsigned int Version)
    return true;   
 }
 									/*}}}*/
-
 // FindMountPointForDevice - Find mountpoint for the given device	/*{{{*/
 string FindMountPointForDevice(const char *devnode)
 {
-   char buf[255];
-   char *out[10];
-   int i=0;
-
    // this is the order that mount uses as well
-   const char *mount[] = { "/etc/mtab", 
-                           "/proc/mount", 
-                           NULL };
+   std::vector<std::string> const mounts = _config->FindVector("Dir::state::MountPoints", "/etc/mtab,/proc/mount");
 
-   for (i=0; mount[i] != NULL; i++) {
-      if (FileExists(mount[i])) {
-         FILE *f=fopen(mount[i], "r");
-         while ( fgets(buf, sizeof(buf), f) != NULL) {
-            if (strncmp(buf, devnode, strlen(devnode)) == 0) {
-               if(TokSplitString(' ', buf, out, 10))
-               {
-                  fclose(f);
-                  // unescape the \0XXX chars in the path
-                  string mount_point = out[1];
-                  return DeEscapeString(mount_point);
-               }
-            }
-         }
-         fclose(f);
+   for (std::vector<std::string>::const_iterator m = mounts.begin(); m != mounts.end(); ++m)
+      if (FileExists(*m) == true)
+      {
+	 char * line = NULL;
+	 size_t line_len = 0;
+	 FILE * f = fopen(m->c_str(), "r");
+	 while(getline(&line, &line_len, f) != -1)
+	 {
+	    char * out[] = { NULL, NULL, NULL };
+	    TokSplitString(' ', line, out, 3);
+	    if (out[2] != NULL || out[1] == NULL || out[0] == NULL)
+	       continue;
+	    if (strcmp(out[0], devnode) != 0)
+	       continue;
+	    fclose(f);
+	    // unescape the \0XXX chars in the path
+	    string mount_point = out[1];
+	    return DeEscapeString(mount_point);
+	 }
+	 fclose(f);
       }
-   }
-   
+
    return string();
 }
 									/*}}}*/
diff --git a/apt-pkg/contrib/cmndline.cc b/apt-pkg/contrib/cmndline.cc
index ed5800007..3799c822d 100644
--- a/apt-pkg/contrib/cmndline.cc
+++ b/apt-pkg/contrib/cmndline.cc
@@ -18,6 +18,11 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+
 #include <apti18n.h>
 									/*}}}*/
 using namespace std;
diff --git a/apt-pkg/contrib/cmndline.h b/apt-pkg/contrib/cmndline.h
index 180276633..143df58b2 100644
--- a/apt-pkg/contrib/cmndline.h
+++ b/apt-pkg/contrib/cmndline.h
@@ -44,6 +44,8 @@
 #ifndef PKGLIB_CMNDLINE_H
 #define PKGLIB_CMNDLINE_H
 
+#include <apt-pkg/macros.h>
+
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/configuration.h>
 #endif
@@ -80,14 +82,14 @@ class CommandLine
    
    bool Parse(int argc,const char **argv);
    void ShowHelp();
-   unsigned int FileSize() const;
+   unsigned int FileSize() const APT_PURE;
    bool DispatchArg(Dispatch *List,bool NoMatch = true);
       
    static char const * GetCommand(Dispatch const * const Map,
-	 unsigned int const argc, char const * const * const argv);
+	 unsigned int const argc, char const * const * const argv) APT_PURE;
 
    static CommandLine::Args MakeArgs(char ShortOpt, char const *LongOpt,
-	 char const *ConfName, unsigned long Flags);
+	 char const *ConfName, unsigned long Flags) APT_CONST;
 
    CommandLine(Args *AList,Configuration *Conf);
    ~CommandLine();
diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 4ef4663c0..00f6ad0f9 100644
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -21,10 +21,18 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
-
+#include <apt-pkg/macros.h>
+
+#include <ctype.h>
+#include <regex.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <algorithm>
+#include <string>
 #include <vector>
 #include <fstream>
-#include <iostream>
 
 #include <apti18n.h>
 
@@ -42,8 +50,7 @@ Configuration::Configuration() : ToFree(true)
 }
 Configuration::Configuration(const Item *Root) : Root((Item *)Root), ToFree(false)
 {
-};
-
+}
 									/*}}}*/
 // Configuration::~Configuration - Destructor				/*{{{*/
 // ---------------------------------------------------------------------
@@ -246,12 +253,18 @@ string Configuration::FindDir(const char *Name,const char *Default) const
 // Configuration::FindVector - Find a vector of values			/*{{{*/
 // ---------------------------------------------------------------------
 /* Returns a vector of config values under the given item */
-vector<string> Configuration::FindVector(const char *Name) const
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
+vector<string> Configuration::FindVector(const char *Name) const { return FindVector(Name, ""); }
+#endif
+vector<string> Configuration::FindVector(const char *Name, std::string const &Default) const
 {
    vector<string> Vec;
    const Item *Top = Lookup(Name);
    if (Top == NULL)
-      return Vec;
+      return VectorizeString(Default, ',');
+
+   if (Top->Value.empty() == false)
+      return VectorizeString(Top->Value, ',');
 
    Item *I = Top->Child;
    while(I != NULL)
@@ -259,6 +272,9 @@ vector<string> Configuration::FindVector(const char *Name) const
       Vec.push_back(I->Value);
       I = I->Next;
    }
+   if (Vec.empty() == true)
+      return VectorizeString(Default, ',');
+
    return Vec;
 }
 									/*}}}*/
diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index 8e09ea0a6..c256139f4 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -74,8 +74,22 @@ class Configuration
    std::string Find(std::string const &Name, std::string const &Default) const {return Find(Name.c_str(),Default.c_str());};
    std::string FindFile(const char *Name,const char *Default = 0) const;
    std::string FindDir(const char *Name,const char *Default = 0) const;
+   /** return a list of child options
+    *
+    * Options like Acquire::Languages are handled as lists which
+    * can be overridden and have a default. For the later two a comma
+    * separated list of values is supported.
+    *
+    * \param Name of the parent node
+    * \param Default list of values separated by commas */
+   std::vector<std::string> FindVector(const char *Name, std::string const &Default) const;
+   std::vector<std::string> FindVector(std::string const &Name, std::string const &Default) const { return FindVector(Name.c_str(), Default); };
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+   std::vector<std::string> FindVector(const char *Name) const { return FindVector(Name, ""); };
+#else
    std::vector<std::string> FindVector(const char *Name) const;
-   std::vector<std::string> FindVector(std::string const &Name) const { return FindVector(Name.c_str()); };
+#endif
+   std::vector<std::string> FindVector(std::string const &Name) const { return FindVector(Name.c_str(), ""); };
    int FindI(const char *Name,int const &Default = 0) const;
    int FindI(std::string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);};
    bool FindB(const char *Name,bool const &Default = false) const;
diff --git a/apt-pkg/contrib/crc-16.h b/apt-pkg/contrib/crc-16.h
index 702de40b2..08acdafb7 100644
--- a/apt-pkg/contrib/crc-16.h
+++ b/apt-pkg/contrib/crc-16.h
@@ -10,8 +10,10 @@
 #ifndef APTPKG_CRC16_H
 #define APTPKG_CRC16_H
 
+#include <apt-pkg/macros.h>
+
 #define INIT_FCS  0xffff
 unsigned short AddCRC16(unsigned short fcs, void const *buf,
-			unsigned long long len);
+			unsigned long long len) APT_PURE;
 
 #endif
diff --git a/apt-pkg/contrib/error.cc b/apt-pkg/contrib/error.cc
index d457781c3..892cd4874 100644
--- a/apt-pkg/contrib/error.cc
+++ b/apt-pkg/contrib/error.cc
@@ -17,12 +17,14 @@
 
 #include <apt-pkg/error.h>
 
+#include <stdarg.h>
+#include <stddef.h>
+#include <list>
 #include <iostream>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
-
 #include <string>
 #include <cstring>
 
@@ -223,7 +225,7 @@ void GlobalError::DumpErrors(std::ostream &out, MsgType const &threshold,
 void GlobalError::Discard() {
 	Messages.clear();
 	PendingFlag = false;
-};
+}
 									/*}}}*/
 // GlobalError::empty - does our error list include anything?		/*{{{*/
 bool GlobalError::empty(MsgType const &trashhold) const {
diff --git a/apt-pkg/contrib/error.h b/apt-pkg/contrib/error.h
index bcee70b1a..ed8c19153 100644
--- a/apt-pkg/contrib/error.h
+++ b/apt-pkg/contrib/error.h
@@ -46,6 +46,7 @@
 #include <list>
 #include <string>
 
+#include <stddef.h>
 #include <stdarg.h>
 
 class GlobalError							/*{{{*/
@@ -73,7 +74,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool FatalE(const char *Function,const char *Description,...) __like_printf(3) __cold;
+	bool FatalE(const char *Function,const char *Description,...) APT_PRINTF(3) APT_COLD;
 
 	/** \brief add an Error message with errno to the list
 	 *
@@ -82,7 +83,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool Errno(const char *Function,const char *Description,...) __like_printf(3) __cold;
+	bool Errno(const char *Function,const char *Description,...) APT_PRINTF(3) APT_COLD;
 
 	/** \brief add a warning message with errno to the list
 	 *
@@ -94,7 +95,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool WarningE(const char *Function,const char *Description,...) __like_printf(3) __cold;
+	bool WarningE(const char *Function,const char *Description,...) APT_PRINTF(3) APT_COLD;
 
 	/** \brief add a notice message with errno to the list
 	 *
@@ -103,7 +104,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool NoticeE(const char *Function,const char *Description,...) __like_printf(3) __cold;
+	bool NoticeE(const char *Function,const char *Description,...) APT_PRINTF(3) APT_COLD;
 
 	/** \brief add a debug message with errno to the list
 	 *
@@ -112,7 +113,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool DebugE(const char *Function,const char *Description,...) __like_printf(3) __cold;
+	bool DebugE(const char *Function,const char *Description,...) APT_PRINTF(3) APT_COLD;
 
 	/** \brief adds an errno message with the given type
 	 *
@@ -121,7 +122,7 @@ public:									/*{{{*/
 	 * \param Description of the error
 	 */
 	bool InsertErrno(MsgType const &type, const char* Function,
-			 const char* Description,...) __like_printf(4) __cold;
+			 const char* Description,...) APT_PRINTF(4) APT_COLD;
 
 	/** \brief adds an errno message with the given type
 	 *
@@ -140,7 +141,7 @@ public:									/*{{{*/
 	 */
 	bool InsertErrno(MsgType type, const char* Function,
 			 const char* Description, va_list &args,
-			 int const errsv, size_t &msgSize);
+			 int const errsv, size_t &msgSize) APT_COLD;
 
 	/** \brief add an fatal error message to the list
 	 *
@@ -155,7 +156,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool Fatal(const char *Description,...) __like_printf(2) __cold;
+	bool Fatal(const char *Description,...) APT_PRINTF(2) APT_COLD;
 
 	/** \brief add an Error message to the list
 	 *
@@ -163,7 +164,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool Error(const char *Description,...) __like_printf(2) __cold;
+	bool Error(const char *Description,...) APT_PRINTF(2) APT_COLD;
 
 	/** \brief add a warning message to the list
 	 *
@@ -174,7 +175,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool Warning(const char *Description,...) __like_printf(2) __cold;
+	bool Warning(const char *Description,...) APT_PRINTF(2) APT_COLD;
 
 	/** \brief add a notice message to the list
 	 *
@@ -187,7 +188,7 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool Notice(const char *Description,...) __like_printf(2) __cold;
+	bool Notice(const char *Description,...) APT_PRINTF(2) APT_COLD;
 
 	/** \brief add a debug message to the list
 	 *
@@ -195,14 +196,14 @@ public:									/*{{{*/
 	 *
 	 *  \return \b false
 	 */
-	bool Debug(const char *Description,...) __like_printf(2) __cold;
+	bool Debug(const char *Description,...) APT_PRINTF(2) APT_COLD;
 
 	/** \brief adds an error message with the given type
 	 *
 	 * \param type of the error message
 	 * \param Description of the error
 	 */
-	bool Insert(MsgType const &type, const char* Description,...) __like_printf(3) __cold;
+	bool Insert(MsgType const &type, const char* Description,...) APT_PRINTF(3) APT_COLD;
 
 	/** \brief adds an error message with the given type
 	 *
@@ -218,13 +219,13 @@ public:									/*{{{*/
 	 * should call this method again in that case
 	 */
 	bool Insert(MsgType type, const char* Description,
-			 va_list &args, size_t &msgSize) __cold;
+			 va_list &args, size_t &msgSize) APT_COLD;
 
 	/** \brief is an error in the list?
 	 *
 	 *  \return \b true if an error is included in the list, \b false otherwise
 	 */
-	inline bool PendingError() const {return PendingFlag;};
+	inline bool PendingError() const APT_PURE {return PendingFlag;};
 
 	/** \brief is the list empty?
 	 *
@@ -232,11 +233,11 @@ public:									/*{{{*/
 	 *  if you want to check if also no notices happened set the parameter
 	 *  flag to \b false.
 	 *
-	 *  \param WithoutNotice does notices count, default is \b true, so no
+	 *  \param threshold minimim level considered
 	 *
 	 *  \return \b true if an the list is empty, \b false otherwise
 	 */
-	bool empty(MsgType const &trashhold = WARNING) const;
+	bool empty(MsgType const &threshold = WARNING) const APT_PURE;
 
 	/** \brief returns and removes the first (or last) message in the list
 	 *
@@ -302,7 +303,7 @@ public:									/*{{{*/
 	void MergeWithStack();
 
 	/** \brief return the deep of the stack */
-	size_t StackCount() const {
+	size_t StackCount() const APT_PURE {
 		return Stacks.size();
 	}
 
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 52411a762..69a675648 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: fileutl.cc,v 1.42 2002/09/14 05:29:22 jgg Exp $
 /* ######################################################################
    
    File Utilities
@@ -26,16 +25,22 @@
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/configuration.h>
-
+#include <apt-pkg/macros.h>
+
+#include <ctype.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/select.h>
+#include <time.h>
+#include <string>
+#include <vector>
 #include <cstdlib>
 #include <cstring>
 #include <cstdio>
-
 #include <iostream>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/stat.h>
-#include <sys/types.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include <dirent.h>
@@ -52,6 +57,10 @@
 #ifdef HAVE_BZ2
 	#include <bzlib.h>
 #endif
+#ifdef HAVE_LZMA
+	#include <stdint.h>
+	#include <lzma.h>
+#endif
 
 #ifdef WORDS_BIGENDIAN
 #include <inttypes.h>
@@ -62,54 +71,6 @@
 
 using namespace std;
 
-class FileFdPrivate {
-	public:
-#ifdef HAVE_ZLIB
-	gzFile gz;
-#else
-	void* gz;
-#endif
-#ifdef HAVE_BZ2
-	BZFILE* bz2;
-#else
-	void* bz2;
-#endif
-	int compressed_fd;
-	pid_t compressor_pid;
-	bool pipe;
-	APT::Configuration::Compressor compressor;
-	unsigned int openmode;
-	unsigned long long seekpos;
-	FileFdPrivate() : gz(NULL), bz2(NULL),
-			  compressed_fd(-1), compressor_pid(-1), pipe(false),
-			  openmode(0), seekpos(0) {};
-	bool CloseDown(std::string const &FileName)
-	{
-	   bool Res = true;
-#ifdef HAVE_ZLIB
-	   if (gz != NULL) {
-	      int const e = gzclose(gz);
-	      gz = NULL;
-	      // gzdclose() on empty files always fails with "buffer error" here, ignore that
-	      if (e != 0 && e != Z_BUF_ERROR)
-		 Res &= _error->Errno("close",_("Problem closing the gzip file %s"), FileName.c_str());
-	   }
-#endif
-#ifdef HAVE_BZ2
-	   if (bz2 != NULL) {
-	      BZ2_bzclose(bz2);
-	      bz2 = NULL;
-	   }
-#endif
-	   if (compressor_pid > 0)
-	      ExecWait(compressor_pid, "FileFdCompressor", true);
-	   compressor_pid = -1;
-
-	   return Res;
-	}
-	~FileFdPrivate() { CloseDown(""); }
-};
-
 // RunScripts - Run a set of scripts from a configuration subtree	/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -143,7 +104,11 @@ bool RunScripts(const char *Cnf)
       {
 	 if (Opts->Value.empty() == true)
 	    continue;
-	 
+
+         if(_config->FindB("Debug::RunScripts", false) == true)
+            std::clog << "Running external script: '"
+                      << Opts->Value << "'" << std::endl;
+
 	 if (system(Opts->Value.c_str()) != 0)
 	    _exit(100+Count);
       }
@@ -874,13 +839,129 @@ bool ExecWait(pid_t Pid,const char *Name,bool Reap)
 }
 									/*}}}*/
 
+class FileFdPrivate {							/*{{{*/
+	public:
+#ifdef HAVE_ZLIB
+	gzFile gz;
+#endif
+#ifdef HAVE_BZ2
+	BZFILE* bz2;
+#endif
+#ifdef HAVE_LZMA
+	struct LZMAFILE {
+	   FILE* file;
+	   uint8_t buffer[4096];
+	   lzma_stream stream;
+	   lzma_ret err;
+	   bool eof;
+	   bool compressing;
+
+	   LZMAFILE() : file(NULL), eof(false), compressing(false) {}
+	   ~LZMAFILE() {
+	      if (compressing == true)
+	      {
+		for (;;) {
+			stream.avail_out = sizeof(buffer)/sizeof(buffer[0]);
+			stream.next_out = buffer;
+			err = lzma_code(&stream, LZMA_FINISH);
+			if (err != LZMA_OK && err != LZMA_STREAM_END)
+			{
+				_error->Error("~LZMAFILE: Compress finalisation failed");
+				break;
+			}
+			size_t const n =  sizeof(buffer)/sizeof(buffer[0]) - stream.avail_out;
+			if (n && fwrite(buffer, 1, n, file) != n)
+			{
+				_error->Errno("~LZMAFILE",_("Write error"));
+				break;
+			}
+			if (err == LZMA_STREAM_END)
+				break;
+		}
+	      }
+	      lzma_end(&stream);
+	      fclose(file);
+	   }
+	};
+	LZMAFILE* lzma;
+#endif
+	int compressed_fd;
+	pid_t compressor_pid;
+	bool pipe;
+	APT::Configuration::Compressor compressor;
+	unsigned int openmode;
+	unsigned long long seekpos;
+	FileFdPrivate() :
+#ifdef HAVE_ZLIB
+			  gz(NULL),
+#endif
+#ifdef HAVE_BZ2
+			  bz2(NULL),
+#endif
+#ifdef HAVE_LZMA
+			  lzma(NULL),
+#endif
+			  compressed_fd(-1), compressor_pid(-1), pipe(false),
+			  openmode(0), seekpos(0) {};
+	bool InternalClose(std::string const &FileName)
+	{
+	   if (false)
+	      /* dummy so that the rest can be 'else if's */;
+#ifdef HAVE_ZLIB
+	   else if (gz != NULL) {
+	      int const e = gzclose(gz);
+	      gz = NULL;
+	      // gzdclose() on empty files always fails with "buffer error" here, ignore that
+	      if (e != 0 && e != Z_BUF_ERROR)
+		 return _error->Errno("close",_("Problem closing the gzip file %s"), FileName.c_str());
+	   }
+#endif
+#ifdef HAVE_BZ2
+	   else if (bz2 != NULL) {
+	      BZ2_bzclose(bz2);
+	      bz2 = NULL;
+	   }
+#endif
+#ifdef HAVE_LZMA
+	   else if (lzma != NULL) {
+	      delete lzma;
+	      lzma = NULL;
+	   }
+#endif
+	   return true;
+	}
+	bool CloseDown(std::string const &FileName)
+	{
+	   bool const Res = InternalClose(FileName);
+
+	   if (compressor_pid > 0)
+	      ExecWait(compressor_pid, "FileFdCompressor", true);
+	   compressor_pid = -1;
+
+	   return Res;
+	}
+	bool InternalStream() const {
+	   return false
+#ifdef HAVE_BZ2
+	      || bz2 != NULL
+#endif
+#ifdef HAVE_LZMA
+	      || lzma != NULL
+#endif
+	      ;
+	}
+
+
+	~FileFdPrivate() { CloseDown(""); }
+};
+									/*}}}*/
 // FileFd::Open - Open a file						/*{{{*/
 // ---------------------------------------------------------------------
 /* The most commonly used open mode combinations are given with Mode */
-bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress, unsigned long const Perms)
+bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress, unsigned long const AccessMode)
 {
    if (Mode == ReadOnlyGzip)
-      return Open(FileName, ReadOnly, Gzip, Perms);
+      return Open(FileName, ReadOnly, Gzip, AccessMode);
 
    if (Compress == Auto && (Mode & WriteOnly) == WriteOnly)
       return FileFdError("Autodetection on %s only works in ReadOnly openmode!", FileName.c_str());
@@ -891,7 +972,7 @@ bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress,
    {
       for (; compressor != compressors.end(); ++compressor)
       {
-	 std::string file = std::string(FileName).append(compressor->Extension);
+	 std::string file = FileName + compressor->Extension;
 	 if (FileExists(file) == false)
 	    continue;
 	 FileName = file;
@@ -947,9 +1028,9 @@ bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress,
 
    if (compressor == compressors.end())
       return FileFdError("Can't find a match for specified compressor mode for file %s", FileName.c_str());
-   return Open(FileName, Mode, *compressor, Perms);
+   return Open(FileName, Mode, *compressor, AccessMode);
 }
-bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor, unsigned long const Perms)
+bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor, unsigned long const AccessMode)
 {
    Close();
    Flags = AutoClose;
@@ -986,6 +1067,13 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
    if_FLAGGED_SET(Exclusive, O_EXCL);
    #undef if_FLAGGED_SET
 
+   // umask() will always set the umask and return the previous value, so
+   // we first set the umask and then reset it to the old value
+   mode_t CurrentUmask = umask(0);
+   umask(CurrentUmask);
+   // calculate the actual file permissions (just like open/creat)
+   mode_t FilePermissions = (AccessMode & ~CurrentUmask);
+
    if ((Mode & Atomic) == Atomic)
    {
       char *name = strdup((FileName + ".XXXXXX").c_str());
@@ -999,11 +1087,11 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
       TemporaryFileName = string(name);
       free(name);
 
-      if(Perms != 600 && fchmod(iFd, Perms) == -1)
+      if(FilePermissions != 600 && fchmod(iFd, FilePermissions) == -1)
           return FileFdErrno("fchmod", "Could not change permissions for temporary file %s", TemporaryFileName.c_str());
    }
    else
-      iFd = open(FileName.c_str(), fileflags, Perms);
+      iFd = open(FileName.c_str(), fileflags, FilePermissions);
 
    this->FileName = FileName;
    if (iFd == -1 || OpenInternDescriptor(Mode, compressor) == false)
@@ -1061,30 +1149,12 @@ bool FileFd::OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration:
 {
    Close();
    Flags = (AutoClose) ? FileFd::AutoClose : 0;
-   if (AutoClose == false && (
-#ifdef HAVE_ZLIB
-	compressor.Name == "gzip" ||
-#endif
-#ifdef HAVE_BZ2
-	compressor.Name == "bzip2" ||
-#endif
-	false))
-   {
-      // Need to duplicate fd here or gzclose for cleanup will close the fd as well
-      iFd = dup(Fd);
-   }
-   else
-      iFd = Fd;
+   iFd = Fd;
    this->FileName = "";
-   if (Fd == -1 || OpenInternDescriptor(Mode, compressor) == false)
+   if (OpenInternDescriptor(Mode, compressor) == false)
    {
       if (iFd != -1 && (
-#ifdef HAVE_ZLIB
-	compressor.Name == "gzip" ||
-#endif
-#ifdef HAVE_BZ2
-	compressor.Name == "bzip2" ||
-#endif
+	(Flags & Compressed) == Compressed ||
 	AutoClose == true))
       {
 	 close (iFd);
@@ -1096,52 +1166,121 @@ bool FileFd::OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration:
 }
 bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor)
 {
+   if (iFd == -1)
+      return false;
    if (compressor.Name == "." || compressor.Binary.empty() == true)
       return true;
 
+#if defined HAVE_ZLIB || defined HAVE_BZ2 || defined HAVE_LZMA
+   // the API to open files is similar, so setup to avoid code duplicates later
+   // and while at it ensure that we close before opening (if its a reopen)
+   void* (*compress_open)(int, const char *) = NULL;
+   if (false)
+      /* dummy so that the rest can be 'else if's */;
+#define APT_COMPRESS_INIT(NAME,OPEN) \
+   else if (compressor.Name == NAME) \
+   { \
+      compress_open = (void*(*)(int, const char *)) OPEN; \
+      if (d != NULL) d->InternalClose(FileName); \
+   }
+#ifdef HAVE_ZLIB
+   APT_COMPRESS_INIT("gzip", gzdopen)
+#endif
+#ifdef HAVE_BZ2
+   APT_COMPRESS_INIT("bzip2", BZ2_bzdopen)
+#endif
+#ifdef HAVE_LZMA
+   APT_COMPRESS_INIT("xz", fdopen)
+   APT_COMPRESS_INIT("lzma", fdopen)
+#endif
+#undef APT_COMPRESS_INIT
+#endif
+
    if (d == NULL)
    {
       d = new FileFdPrivate();
       d->openmode = Mode;
       d->compressor = compressor;
+#if defined HAVE_ZLIB || defined HAVE_BZ2 || defined HAVE_LZMA
+      if ((Flags & AutoClose) != AutoClose && compress_open != NULL)
+      {
+	 // Need to duplicate fd here or gz/bz2 close for cleanup will close the fd as well
+	 int const internFd = dup(iFd);
+	 if (internFd == -1)
+	    return FileFdErrno("OpenInternDescriptor", _("Could not open file descriptor %d"), iFd);
+	 iFd = internFd;
+      }
+#endif
    }
 
-#ifdef HAVE_ZLIB
-   if (compressor.Name == "gzip")
+#if defined HAVE_ZLIB || defined HAVE_BZ2 || defined HAVE_LZMA
+   if (compress_open != NULL)
    {
-      if (d->gz != NULL)
-      {
-	 gzclose(d->gz);
-	 d->gz = NULL;
-      }
+      void* compress_struct = NULL;
       if ((Mode & ReadWrite) == ReadWrite)
-	 d->gz = gzdopen(iFd, "r+");
+	 compress_struct = compress_open(iFd, "r+");
       else if ((Mode & WriteOnly) == WriteOnly)
-	 d->gz = gzdopen(iFd, "w");
+	 compress_struct = compress_open(iFd, "w");
       else
-	 d->gz = gzdopen(iFd, "r");
-      if (d->gz == NULL)
+	 compress_struct = compress_open(iFd, "r");
+      if (compress_struct == NULL)
 	 return false;
-      Flags |= Compressed;
-      return true;
-   }
+
+      if (false)
+	 /* dummy so that the rest can be 'else if's */;
+#ifdef HAVE_ZLIB
+      else if (compressor.Name == "gzip")
+	 d->gz = (gzFile) compress_struct;
 #endif
 #ifdef HAVE_BZ2
-   if (compressor.Name == "bzip2")
-   {
-      if (d->bz2 != NULL)
+      else if (compressor.Name == "bzip2")
+	 d->bz2 = (BZFILE*) compress_struct;
+#endif
+#ifdef HAVE_LZMA
+      else if (compressor.Name == "xz" || compressor.Name == "lzma")
       {
-	 BZ2_bzclose(d->bz2);
-	 d->bz2 = NULL;
+	 uint32_t const xzlevel = 6;
+	 uint64_t const memlimit = UINT64_MAX;
+	 if (d->lzma == NULL)
+	    d->lzma = new FileFdPrivate::LZMAFILE;
+	 d->lzma->file = (FILE*) compress_struct;
+	 d->lzma->stream = LZMA_STREAM_INIT;
+
+	 if ((Mode & ReadWrite) == ReadWrite)
+	    return FileFdError("ReadWrite mode is not supported for file %s", FileName.c_str());
+
+	 if ((Mode & WriteOnly) == WriteOnly)
+	 {
+	    if (compressor.Name == "xz")
+	    {
+	       if (lzma_easy_encoder(&d->lzma->stream, xzlevel, LZMA_CHECK_CRC32) != LZMA_OK)
+		  return false;
+	    }
+	    else
+	    {
+	       lzma_options_lzma options;
+	       lzma_lzma_preset(&options, xzlevel);
+	       if (lzma_alone_encoder(&d->lzma->stream, &options) != LZMA_OK)
+		  return false;
+	    }
+	    d->lzma->compressing = true;
+	 }
+	 else
+	 {
+	    if (compressor.Name == "xz")
+	    {
+	       if (lzma_auto_decoder(&d->lzma->stream, memlimit, 0) != LZMA_OK)
+		  return false;
+	    }
+	    else
+	    {
+	       if (lzma_alone_decoder(&d->lzma->stream, memlimit) != LZMA_OK)
+		  return false;
+	    }
+	    d->lzma->compressing = false;
+	 }
       }
-      if ((Mode & ReadWrite) == ReadWrite)
-	 d->bz2 = BZ2_bzdopen(iFd, "r+");
-      else if ((Mode & WriteOnly) == WriteOnly)
-	 d->bz2 = BZ2_bzdopen(iFd, "w");
-      else
-	 d->bz2 = BZ2_bzdopen(iFd, "r");
-      if (d->bz2 == NULL)
-	 return false;
+#endif
       Flags |= Compressed;
       return true;
    }
@@ -1198,7 +1337,7 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C
       }
       else
       {
-	 if (FileName.empty() == true)
+	 if (d->compressed_fd != -1)
 	    dup2(d->compressed_fd,STDIN_FILENO);
 	 dup2(Pipe[1],STDOUT_FILENO);
       }
@@ -1267,24 +1406,68 @@ bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
    *((char *)To) = '\0';
    do
    {
+      if (false)
+	 /* dummy so that the rest can be 'else if's */;
 #ifdef HAVE_ZLIB
-      if (d != NULL && d->gz != NULL)
+      else if (d != NULL && d->gz != NULL)
 	 Res = gzread(d->gz,To,Size);
-      else
 #endif
 #ifdef HAVE_BZ2
-      if (d != NULL && d->bz2 != NULL)
+      else if (d != NULL && d->bz2 != NULL)
 	 Res = BZ2_bzread(d->bz2,To,Size);
-      else
 #endif
+#ifdef HAVE_LZMA
+      else if (d != NULL && d->lzma != NULL)
+      {
+	 if (d->lzma->eof == true)
+	    break;
+
+	 d->lzma->stream.next_out = (uint8_t *) To;
+	 d->lzma->stream.avail_out = Size;
+	 if (d->lzma->stream.avail_in == 0)
+	 {
+	    d->lzma->stream.next_in = d->lzma->buffer;
+	    d->lzma->stream.avail_in = fread(d->lzma->buffer, 1, sizeof(d->lzma->buffer)/sizeof(d->lzma->buffer[0]), d->lzma->file);
+	 }
+	 d->lzma->err = lzma_code(&d->lzma->stream, LZMA_RUN);
+	 if (d->lzma->err == LZMA_STREAM_END)
+	 {
+	    d->lzma->eof = true;
+	    Res = Size - d->lzma->stream.avail_out;
+	 }
+	 else if (d->lzma->err != LZMA_OK)
+	 {
+	    Res = -1;
+	    errno = 0;
+	 }
+	 else
+	 {
+	    Res = Size - d->lzma->stream.avail_out;
+	    if (Res == 0)
+	    {
+	       // lzma run was okay, but produced no output…
+	       Res = -1;
+	       errno = EINTR;
+	    }
+	 }
+      }
+#endif
+      else
          Res = read(iFd,To,Size);
 
       if (Res < 0)
       {
 	 if (errno == EINTR)
+	 {
+	    // trick the while-loop into running again
+	    Res = 1;
+	    errno = 0;
 	    continue;
+	 }
+	 if (false)
+	    /* dummy so that the rest can be 'else if's */;
 #ifdef HAVE_ZLIB
-	 if (d != NULL && d->gz != NULL)
+	 else if (d != NULL && d->gz != NULL)
 	 {
 	    int err;
 	    char const * const errmsg = gzerror(d->gz, &err);
@@ -1293,7 +1476,7 @@ bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
 	 }
 #endif
 #ifdef HAVE_BZ2
-	 if (d != NULL && d->bz2 != NULL)
+	 else if (d != NULL && d->bz2 != NULL)
 	 {
 	    int err;
 	    char const * const errmsg = BZ2_bzerror(d->bz2, &err);
@@ -1301,6 +1484,10 @@ bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
 	       return FileFdError("BZ2_bzread: %s (%d: %s)", _("Read error"), err, errmsg);
 	 }
 #endif
+#ifdef HAVE_LZMA
+	 else if (d != NULL && d->lzma != NULL)
+	    return FileFdError("lzma_read: %s (%d)", _("Read error"), d->lzma->err);
+#endif
 	 return FileFdErrno("read",_("Read error"));
       }
       
@@ -1364,23 +1551,45 @@ bool FileFd::Write(const void *From,unsigned long long Size)
    errno = 0;
    do
    {
+      if (false)
+	 /* dummy so that the rest can be 'else if's */;
 #ifdef HAVE_ZLIB
-      if (d != NULL && d->gz != NULL)
-         Res = gzwrite(d->gz,From,Size);
-      else
+      else if (d != NULL && d->gz != NULL)
+	 Res = gzwrite(d->gz,From,Size);
 #endif
 #ifdef HAVE_BZ2
-      if (d != NULL && d->bz2 != NULL)
-         Res = BZ2_bzwrite(d->bz2,(void*)From,Size);
-      else
+      else if (d != NULL && d->bz2 != NULL)
+	 Res = BZ2_bzwrite(d->bz2,(void*)From,Size);
+#endif
+#ifdef HAVE_LZMA
+      else if (d != NULL && d->lzma != NULL)
+      {
+	 d->lzma->stream.next_in = (uint8_t *)From;
+	 d->lzma->stream.avail_in = Size;
+	 d->lzma->stream.next_out = d->lzma->buffer;
+	 d->lzma->stream.avail_out = sizeof(d->lzma->buffer)/sizeof(d->lzma->buffer[0]);
+	 d->lzma->err = lzma_code(&d->lzma->stream, LZMA_RUN);
+	 if (d->lzma->err != LZMA_OK)
+	    return false;
+	 size_t const n = sizeof(d->lzma->buffer)/sizeof(d->lzma->buffer[0]) - d->lzma->stream.avail_out;
+	 size_t const m = (n == 0) ? 0 : fwrite(d->lzma->buffer, 1, n, d->lzma->file);
+	 if (m != n)
+	    Res = -1;
+	 else
+	    Res = Size - d->lzma->stream.avail_in;
+      }
 #endif
-         Res = write(iFd,From,Size);
+      else
+	 Res = write(iFd,From,Size);
+
       if (Res < 0 && errno == EINTR)
 	 continue;
       if (Res < 0)
       {
+	 if (false)
+	    /* dummy so that the rest can be 'else if's */;
 #ifdef HAVE_ZLIB
-	 if (d != NULL && d->gz != NULL)
+	 else if (d != NULL && d->gz != NULL)
 	 {
 	    int err;
 	    char const * const errmsg = gzerror(d->gz, &err);
@@ -1389,7 +1598,7 @@ bool FileFd::Write(const void *From,unsigned long long Size)
 	 }
 #endif
 #ifdef HAVE_BZ2
-	 if (d != NULL && d->bz2 != NULL)
+	 else if (d != NULL && d->bz2 != NULL)
 	 {
 	    int err;
 	    char const * const errmsg = BZ2_bzerror(d->bz2, &err);
@@ -1397,10 +1606,14 @@ bool FileFd::Write(const void *From,unsigned long long Size)
 	       return FileFdError("BZ2_bzwrite: %s (%d: %s)", _("Write error"), err, errmsg);
 	 }
 #endif
+#ifdef HAVE_LZMA
+	 else if (d != NULL && d->lzma != NULL)
+	    return FileFdErrno("lzma_fwrite", _("Write error"));
+#endif
 	 return FileFdErrno("write",_("Write error"));
       }
       
-      From = (char *)From + Res;
+      From = (char const *)From + Res;
       Size -= Res;
       if (d != NULL)
 	 d->seekpos += Res;
@@ -1424,7 +1637,7 @@ bool FileFd::Write(int Fd, const void *From, unsigned long long Size)
       if (Res < 0)
 	 return _error->Errno("write",_("Write error"));
 
-      From = (char *)From + Res;
+      From = (char const *)From + Res;
       Size -= Res;
    }
    while (Res > 0 && Size > 0);
@@ -1440,11 +1653,7 @@ bool FileFd::Write(int Fd, const void *From, unsigned long long Size)
 /* */
 bool FileFd::Seek(unsigned long long To)
 {
-   if (d != NULL && (d->pipe == true
-#ifdef HAVE_BZ2
-			|| d->bz2 != NULL
-#endif
-	))
+   if (d != NULL && (d->pipe == true || d->InternalStream() == true))
    {
       // Our poor man seeking in pipes is costly, so try to avoid it
       unsigned long long seekpos = Tell();
@@ -1455,13 +1664,7 @@ bool FileFd::Seek(unsigned long long To)
 
       if ((d->openmode & ReadOnly) != ReadOnly)
 	 return FileFdError("Reopen is only implemented for read-only files!");
-#ifdef HAVE_BZ2
-     if (d->bz2 != NULL) 
-     {
-	BZ2_bzclose(d->bz2);
-	d->bz2 = NULL;
-     }
-#endif
+      d->InternalClose(FileName);
       if (iFd != -1)
 	 close(iFd);
       iFd = -1;
@@ -1507,11 +1710,7 @@ bool FileFd::Seek(unsigned long long To)
 /* */
 bool FileFd::Skip(unsigned long long Over)
 {
-   if (d != NULL && (d->pipe == true
-#ifdef HAVE_BZ2
-			|| d->bz2 != NULL
-#endif
-	))
+   if (d != NULL && (d->pipe == true || d->InternalStream() == true))
    {
       d->seekpos += Over;
       char buffer[1024];
@@ -1548,8 +1747,12 @@ bool FileFd::Truncate(unsigned long long To)
    // truncating /dev/null is always successful - as we get an error otherwise
    if (To == 0 && FileName == "/dev/null")
       return true;
-#if defined HAVE_ZLIB || defined HAVE_BZ2
-   if (d != NULL && (d->gz != NULL || d->bz2 != NULL))
+#if defined HAVE_ZLIB || defined HAVE_BZ2 || defined HAVE_LZMA
+   if (d != NULL && (d->InternalStream() == true
+#ifdef HAVE_ZLIB
+	    || d->gz != NULL
+#endif
+	    ))
       return FileFdError("Truncating compressed files is not implemented (%s)", FileName.c_str());
 #endif
    if (ftruncate(iFd,To) != 0)
@@ -1567,11 +1770,7 @@ unsigned long long FileFd::Tell()
    // seeking around, but not all users of FileFd use always Seek() and co
    // so d->seekpos isn't always true and we can just use it as a hint if
    // we have nothing else, but not always as an authority…
-   if (d != NULL && (d->pipe == true
-#ifdef HAVE_BZ2
-			|| d->bz2 != NULL
-#endif
-	))
+   if (d != NULL && (d->pipe == true || d->InternalStream() == true))
       return d->seekpos;
 
    off_t Res;
@@ -1646,11 +1845,7 @@ unsigned long long FileFd::Size()
 
    // for compressor pipes st_size is undefined and at 'best' zero,
    // so we 'read' the content and 'seek' back - see there
-   if (d != NULL && (d->pipe == true
-#ifdef HAVE_BZ2
-			|| (d->bz2 && size > 0)
-#endif
-	))
+   if (d != NULL && (d->pipe == true || (d->InternalStream() == true && size > 0)))
    {
       unsigned long long const oldSeek = Tell();
       char ignore[1000];
@@ -1793,7 +1988,13 @@ bool FileFd::FileFdError(const char *Description,...) {
 }
 									/*}}}*/
 
-gzFile FileFd::gzFd() { return (gzFile) d->gz; }
+APT_DEPRECATED gzFile FileFd::gzFd() {
+#ifdef HAVE_ZLIB
+   return d->gz;
+#else
+   return NULL;
+#endif
+}
 
 
 // Glob - wrapper around "glob()"                                      /*{{{*/
@@ -1841,3 +2042,14 @@ std::string GetTempDir()
 
    return string(tmpdir);
 }
+
+bool Rename(std::string From, std::string To)
+{
+   if (rename(From.c_str(),To.c_str()) != 0)
+   {
+      _error->Error(_("rename failed, %s (%s -> %s)."),strerror(errno),
+                    From.c_str(),To.c_str());
+      return false;
+   }   
+   return true;
+}
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index e752e9621..cc1a98eae 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -27,6 +27,7 @@
 #include <string>
 #include <vector>
 #include <set>
+#include <time.h>
 
 #include <zlib.h>
 
@@ -94,7 +95,7 @@ class FileFd
       And as the auto-conversation converts a 'unsigned long *' to a 'bool'
       instead of 'unsigned long long *' we need to provide this explicitely -
       otherwise applications magically start to fail… */
-   __deprecated bool Read(void *To,unsigned long long Size,unsigned long *Actual)
+   bool Read(void *To,unsigned long long Size,unsigned long *Actual) APT_DEPRECATED
    {
 	unsigned long long R;
 	bool const T = Read(To, Size, &R);
@@ -102,10 +103,10 @@ class FileFd
 	return T;
    }
 
-   bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const Perms = 0666);
-   bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const Perms = 0666);
-   inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const Perms = 0666) {
-      return Open(FileName, Mode, None, Perms);
+   bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const AccessMode = 0666);
+   bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const AccessMode = 0666);
+   inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const AccessMode = 0666) {
+      return Open(FileName, Mode, None, AccessMode);
    };
    bool OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compress, bool AutoClose=false);
    bool OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration::Compressor const &compressor, bool AutoClose=false);
@@ -118,7 +119,7 @@ class FileFd
    // Simple manipulators
    inline int Fd() {return iFd;};
    inline void Fd(int fd) { OpenDescriptor(fd, ReadWrite);};
-   __deprecated gzFile gzFd();
+   gzFile gzFd() APT_DEPRECATED APT_PURE;
 
    inline bool IsOpen() {return iFd >= 0;};
    inline bool Failed() {return (Flags & Fail) == Fail;};
@@ -128,13 +129,13 @@ class FileFd
    inline bool IsCompressed() {return (Flags & Compressed) == Compressed;};
    inline std::string &Name() {return FileName;};
    
-   FileFd(std::string FileName,unsigned int const Mode,unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+   FileFd(std::string FileName,unsigned int const Mode,unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL)
    {
-      Open(FileName,Mode, None, Perms);
+      Open(FileName,Mode, None, AccessMode);
    };
-   FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+   FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL)
    {
-      Open(FileName,Mode, Compress, Perms);
+      Open(FileName,Mode, Compress, AccessMode);
    };
    FileFd() : iFd(-1), Flags(AutoClose), d(NULL) {};
    FileFd(int const Fd, unsigned int const Mode = ReadWrite, CompressMode Compress = None) : iFd(-1), Flags(0), d(NULL)
@@ -149,11 +150,11 @@ class FileFd
 
    private:
    FileFdPrivate* d;
-   bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor);
+   APT_HIDDEN bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor);
 
    // private helpers to set Fail flag and call _error->Error
-   bool FileFdErrno(const char* Function, const char* Description,...) __like_printf(3) __cold;
-   bool FileFdError(const char* Description,...) __like_printf(2) __cold;
+   APT_HIDDEN bool FileFdErrno(const char* Function, const char* Description,...) APT_PRINTF(3) APT_COLD;
+   APT_HIDDEN bool FileFdError(const char* Description,...) APT_PRINTF(2) APT_COLD;
 };
 
 bool RunScripts(const char *Cnf);
@@ -161,9 +162,10 @@ bool CopyFile(FileFd &From,FileFd &To);
 int GetLock(std::string File,bool Errors = true);
 bool FileExists(std::string File);
 bool RealFileExists(std::string File);
-bool DirectoryExists(std::string const &Path) __attrib_const;
+bool DirectoryExists(std::string const &Path) APT_CONST;
 bool CreateDirectory(std::string const &Parent, std::string const &Path);
 time_t GetModificationTime(std::string const &Path);
+bool Rename(std::string From, std::string To);
 
 std::string GetTempDir();
 
diff --git a/apt-pkg/contrib/gpgv.cc b/apt-pkg/contrib/gpgv.cc
index 9de227062..f24dd9640 100644
--- a/apt-pkg/contrib/gpgv.cc
+++ b/apt-pkg/contrib/gpgv.cc
@@ -2,21 +2,23 @@
 // Include Files							/*{{{*/
 #include<config.h>
 
+#include<apt-pkg/configuration.h>
+#include<apt-pkg/error.h>
+#include<apt-pkg/strutl.h>
+#include<apt-pkg/fileutl.h>
+#include<apt-pkg/gpgv.h>
+
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
-
-#include<apt-pkg/configuration.h>
-#include<apt-pkg/error.h>
-#include<apt-pkg/strutl.h>
-#include<apt-pkg/fileutl.h>
-#include<apt-pkg/gpgv.h>
+#include <stddef.h>
+#include <iostream>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
diff --git a/apt-pkg/contrib/gpgv.h b/apt-pkg/contrib/gpgv.h
index 1d79a52ac..f018893fd 100644
--- a/apt-pkg/contrib/gpgv.h
+++ b/apt-pkg/contrib/gpgv.h
@@ -9,17 +9,17 @@
 #ifndef CONTRIB_GPGV_H
 #define CONTRIB_GPGV_H
 
+#include <apt-pkg/macros.h>
+
 #include <string>
 #include <vector>
 
+#ifndef APT_10_CLEANER_HEADERS
 #include <apt-pkg/fileutl.h>
-
-#if __GNUC__ >= 4
-	#define APT_noreturn	__attribute__ ((noreturn))
-#else
-	#define APT_noreturn	/* no support */
 #endif
 
+class FileFd;
+
 /** \brief generates and run the command to verify a file with gpgv
  *
  * If File and FileSig specify the same file it is assumed that we
@@ -40,14 +40,12 @@
  * @param FileSig is the signature (detached or clear-signed)
  */
 void ExecGPGV(std::string const &File, std::string const &FileSig,
-      int const &statusfd, int fd[2]) APT_noreturn;
-inline void ExecGPGV(std::string const &File, std::string const &FileSig,
+      int const &statusfd, int fd[2]) APT_NORETURN;
+inline APT_NORETURN void ExecGPGV(std::string const &File, std::string const &FileSig,
       int const &statusfd = -1) {
    int fd[2];
    ExecGPGV(File, FileSig, statusfd, fd);
-};
-
-#undef APT_noreturn
+}
 
 /** \brief Split an inline signature into message and signature
  *
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index 890573d9c..1fce0d75f 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -16,8 +16,12 @@
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/macros.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha2.h>
 
+#include <stddef.h>
+#include <algorithm>
 #include <unistd.h>
 #include <string>
 #include <iostream>
@@ -112,7 +116,7 @@ const char** HashString::SupportedHashes()
    return _SupportedHashes;
 }
 
-bool HashString::empty() const
+APT_PURE bool HashString::empty() const
 {
    return (Type.empty() || Hash.empty());
 }
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 0a8bcd259..5cd1af03b 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -17,17 +17,22 @@
 #include <apt-pkg/md5.h>
 #include <apt-pkg/sha1.h>
 #include <apt-pkg/sha2.h>
-#include <apt-pkg/fileutl.h>
 
-#include <algorithm>
-#include <vector>
 #include <cstring>
-
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::min;
 using std::vector;
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/fileutl.h>
+#include <algorithm>
+#include <vector>
+#endif
+
+
+class FileFd;
 
 // helper class that contains hash function name
 // and hash
@@ -61,7 +66,7 @@ class HashString
    bool empty() const;
 
    // return the list of hashes we support
-   static const char** SupportedHashes();
+   static APT_CONST const char** SupportedHashes();
 };
 
 class Hashes
@@ -77,7 +82,7 @@ class Hashes
    {
       return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size) && SHA512.Add(Data,Size);
    };
-   inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+   inline bool Add(const char *Data) {return Add((unsigned char const *)Data,strlen(Data));};
    inline bool AddFD(int const Fd,unsigned long long Size = 0)
    { return AddFD(Fd, Size, true, true, true, true); };
    bool AddFD(int const Fd, unsigned long long Size, bool const addMD5,
diff --git a/apt-pkg/contrib/hashsum.cc b/apt-pkg/contrib/hashsum.cc
index d02177724..25ccc187d 100644
--- a/apt-pkg/contrib/hashsum.cc
+++ b/apt-pkg/contrib/hashsum.cc
@@ -1,6 +1,9 @@
 // Cryptographic API Base
 #include <config.h>
 
+#include <apt-pkg/fileutl.h>
+
+#include <algorithm>
 #include <unistd.h>
 #include "hashsum_template.h"
 
diff --git a/apt-pkg/contrib/hashsum_template.h b/apt-pkg/contrib/hashsum_template.h
index 9bf160b2b..869dc5cb7 100644
--- a/apt-pkg/contrib/hashsum_template.h
+++ b/apt-pkg/contrib/hashsum_template.h
@@ -10,36 +10,40 @@
 #ifndef APTPKG_HASHSUM_TEMPLATE_H
 #define APTPKG_HASHSUM_TEMPLATE_H
 
-#include <apt-pkg/fileutl.h>
 
 #include <string>
 #include <cstring>
-#include <algorithm>
-#include <stdint.h>
 
 #include <apt-pkg/strutl.h>
 
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/fileutl.h>
+#include <algorithm>
+#include <stdint.h>
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::min;
 #endif
 
+class FileFd;
+
 template<int N>
 class HashSumValue
 {
    unsigned char Sum[N/8];
-   
+
    public:
 
    // Accessors
    bool operator ==(const HashSumValue &rhs) const
    {
       return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
-   };
+   }
    bool operator !=(const HashSumValue &rhs) const
    {
       return memcmp(Sum,rhs.Sum,sizeof(Sum)) != 0;
-   };
+   }
 
    std::string Value() const
    {
@@ -49,7 +53,7 @@ class HashSumValue
       };
       char Result[((N/8)*2)+1];
       Result[(N/8)*2] = 0;
-      
+
       // Convert each char into two letters
       int J = 0;
       int I = 0;
@@ -59,31 +63,31 @@ class HashSumValue
          Result[I + 1] = Conv[Sum[J] & 0xF];
       }
       return std::string(Result);
-   };
-   
+   }
+
    inline void Value(unsigned char S[N/8])
    {
-      for (int I = 0; I != sizeof(Sum); I++) 
+      for (int I = 0; I != sizeof(Sum); ++I)
          S[I] = Sum[I];
-   };
+   }
 
-   inline operator std::string() const 
+   inline operator std::string() const
    {
       return Value();
-   };
+   }
 
-   bool Set(std::string Str) 
+   bool Set(std::string Str)
    {
       return Hex2Num(Str,Sum,sizeof(Sum));
-   };
+   }
 
-   inline void Set(unsigned char S[N/8]) 
+   inline void Set(unsigned char S[N/8])
    {
-      for (int I = 0; I != sizeof(Sum); I++) 
+      for (int I = 0; I != sizeof(Sum); ++I)
          Sum[I] = S[I];
-   };
+   }
 
-   HashSumValue(std::string Str) 
+   HashSumValue(std::string Str)
    {
          memset(Sum,0,sizeof(Sum));
          Set(Str);
@@ -99,17 +103,17 @@ class SummationImplementation
    public:
    virtual bool Add(const unsigned char *inbuf, unsigned long long inlen) = 0;
    inline bool Add(const char *inbuf, unsigned long long const inlen)
-   { return Add((unsigned char *)inbuf, inlen); };
+   { return Add((const unsigned char *)inbuf, inlen); }
 
    inline bool Add(const unsigned char *Data)
-   { return Add(Data, strlen((const char *)Data)); };
+   { return Add(Data, strlen((const char *)Data)); }
    inline bool Add(const char *Data)
-   { return Add((const unsigned char *)Data, strlen((const char *)Data)); };
+   { return Add((const unsigned char *)Data, strlen(Data)); }
 
    inline bool Add(const unsigned char *Beg, const unsigned char *End)
-   { return Add(Beg, End - Beg); };
+   { return Add(Beg, End - Beg); }
    inline bool Add(const char *Beg, const char *End)
-   { return Add((const unsigned char *)Beg, End - Beg); };
+   { return Add((const unsigned char *)Beg, End - Beg); }
 
    bool AddFD(int Fd, unsigned long long Size = 0);
    bool AddFD(FileFd &Fd, unsigned long long Size = 0);
diff --git a/apt-pkg/contrib/macros.h b/apt-pkg/contrib/macros.h
index e53d01b8f..2d6448e5e 100644
--- a/apt-pkg/contrib/macros.h
+++ b/apt-pkg/contrib/macros.h
@@ -54,37 +54,91 @@
 #define CLRFLAG(v,f)	((v) &=~FLAG(f))
 #define	CHKFLAG(v,f)	((v) &  FLAG(f) ? true : false)
 
-// some nice optional GNUC features
-#if __GNUC__ >= 3
-	#define __must_check	__attribute__ ((warn_unused_result))
-	#define __deprecated	__attribute__ ((deprecated))
-	#define __attrib_const	__attribute__ ((__const__))
-	/* likely() and unlikely() can be used to mark boolean expressions
-	   as (not) likely true which will help the compiler to optimise */
+#ifdef __GNUC__
+#define APT_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
+#else
+#define APT_GCC_VERSION 0
+#endif
+
+/* likely() and unlikely() can be used to mark boolean expressions
+   as (not) likely true which will help the compiler to optimise */
+#if APT_GCC_VERSION >= 0x0300
 	#define likely(x)	__builtin_expect (!!(x), 1)
 	#define unlikely(x)	__builtin_expect (!!(x), 0)
 #else
-	#define __must_check	/* no warn_unused_result */
-	#define __deprecated	/* no deprecated */
-	#define __attrib_const	/* no const attribute */
 	#define likely(x)	(x)
 	#define unlikely(x)	(x)
 #endif
 
+#if APT_GCC_VERSION >= 0x0300
+	#define APT_DEPRECATED	__attribute__ ((deprecated))
+	#define APT_CONST	__attribute__((const))
+	#define APT_PURE	__attribute__((pure))
+	#define APT_NORETURN	__attribute__((noreturn))
+	#define APT_PRINTF(n)	__attribute__((format(printf, n, n + 1)))
+#else
+	#define APT_DEPRECATED
+	#define APT_CONST
+	#define APT_PURE
+	#define APT_NORETURN
+	#define APT_PRINTF(n)
+#endif
+
+#if APT_GCC_VERSION > 0x0302
+	#define APT_NONNULL(...)	__attribute__((nonnull(__VA_ARGS__)))
+	#define APT_MUSTCHECK		__attribute__((warn_unused_result))
+#else
+	#define APT_NONNULL(...)
+	#define APT_REQRET
+#endif
+
+#if APT_GCC_VERSION >= 0x0400
+	#define APT_SENTINEL	__attribute__((sentinel))
+	#define APT_PUBLIC __attribute__ ((visibility ("default")))
+	#define APT_HIDDEN __attribute__ ((visibility ("hidden")))
+#else
+	#define APT_SENTINEL
+	#define APT_PUBLIC
+	#define APT_HIDDEN
+#endif
+
 // cold functions are unlikely() to be called
-#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
-	#define __cold	__attribute__ ((__cold__))
-	#define __hot	__attribute__ ((__hot__))
+#if APT_GCC_VERSION >= 0x0403
+	#define APT_COLD	__attribute__ ((__cold__))
+	#define APT_HOT		__attribute__ ((__hot__))
 #else
-	#define __cold	/* no cold marker */
-	#define __hot	/* no hot marker */
+	#define APT_COLD
+	#define APT_HOT
 #endif
 
-#ifdef __GNUG__
-// Methods have a hidden this parameter that is visible to this attribute
+#ifndef APT_10_CLEANER_HEADERS
+#if APT_GCC_VERSION >= 0x0300
+	#define __must_check	__attribute__ ((warn_unused_result))
+	#define __deprecated	__attribute__ ((deprecated))
+	#define __attrib_const	__attribute__ ((__const__))
 	#define __like_printf(n)	__attribute__((format(printf, n, n + 1)))
 #else
+	#define __must_check	/* no warn_unused_result */
+	#define __deprecated	/* no deprecated */
+	#define __attrib_const	/* no const attribute */
 	#define __like_printf(n)	/* no like-printf */
 #endif
+#if APT_GCC_VERSION >= 0x0403
+	#define __cold	__attribute__ ((__cold__))
+	#define __hot	__attribute__ ((__hot__))
+#else
+	#define __cold	/* no cold marker */
+	#define __hot	/* no hot marker */
+#endif
+#endif
+
+// These lines are extracted by the makefiles and the buildsystem
+// Increasing MAJOR or MINOR results in the need of recompiling all
+// reverse-dependencies of libapt-pkg against the new SONAME.
+// Non-ABI-Breaks should only increase RELEASE number.
+// See also buildlib/libversion.mak
+#define APT_PKG_MAJOR 4
+#define APT_PKG_MINOR 12
+#define APT_PKG_RELEASE 0
 
 #endif
diff --git a/apt-pkg/contrib/md5.cc b/apt-pkg/contrib/md5.cc
index 4351aeb22..b487a96f9 100644
--- a/apt-pkg/contrib/md5.cc
+++ b/apt-pkg/contrib/md5.cc
@@ -38,13 +38,9 @@
 #include <config.h>
 
 #include <apt-pkg/md5.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/macros.h>
 
+#include <stdint.h>
 #include <string.h>
-#include <unistd.h>
-#include <netinet/in.h>                          // For htonl
-#include <inttypes.h>
 									/*}}}*/
 
 // byteSwap - Swap bytes in a buffer					/*{{{*/
diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index 195455645..f4992c223 100644
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -23,14 +23,15 @@
 #ifndef APTPKG_MD5_H
 #define APTPKG_MD5_H
 
-
-#include <string>
-#include <cstring>
-#include <algorithm>
 #include <stdint.h>
 
 #include "hashsum_template.h"
 
+#ifndef APT_10_CLEANER_HEADERS
+#include <string>
+#include <cstring>
+#include <algorithm>
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::min;
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index 51e8eb30f..b2a53a6cb 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -22,11 +22,11 @@
 #include <apt-pkg/mmap.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/macros.h>
 
+#include <string>
 #include <sys/mman.h>
-#include <sys/stat.h>
 #include <unistd.h>
-#include <fcntl.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <cstring>
@@ -198,7 +198,7 @@ bool MMap::Sync(unsigned long Start,unsigned long Stop)
       {
 #ifdef _POSIX_SYNCHRONIZED_IO
 	 unsigned long long const PSize = sysconf(_SC_PAGESIZE);
-	 if (msync((char *)Base+(unsigned long long)(Start/PSize)*PSize,Stop - Start,MS_SYNC) < 0)
+	 if (msync((char *)Base+(Start/PSize)*PSize, Stop - Start, MS_SYNC) < 0)
 	    return _error->Errno("msync", _("Unable to synchronize mmap"));
 #endif
       }
diff --git a/apt-pkg/contrib/netrc.cc b/apt-pkg/contrib/netrc.cc
index de95aa4ab..feaed67c8 100644
--- a/apt-pkg/contrib/netrc.cc
+++ b/apt-pkg/contrib/netrc.cc
@@ -15,14 +15,13 @@
 
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/error.h>
-#include <apt-pkg/fileutl.h>
 
 #include <iostream>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <stddef.h>
 #include <pwd.h>
 
 #include "netrc.h"
@@ -198,7 +197,7 @@ void maybe_add_auth (URI &Uri, string NetRCFile)
       // if host did not work, try Host+Path next, this will trigger
       // a lookup uri.startswith(host) in the netrc file parser (because
       // of the "/"
-      char *hostpath = strdup(string(Uri.Host+Uri.Path).c_str());
+      char *hostpath = strdup((Uri.Host + Uri.Path).c_str());
       if (hostpath && parsenetrc_string(hostpath, login, password, netrcfile) == 0)
       {
 	 if (_config->FindB("Debug::Acquire::netrc", false) == true)
diff --git a/apt-pkg/contrib/netrc.h b/apt-pkg/contrib/netrc.h
index 6feb5b726..dbeb45386 100644
--- a/apt-pkg/contrib/netrc.h
+++ b/apt-pkg/contrib/netrc.h
@@ -16,6 +16,8 @@
 
 #include <string>
 
+#include <apt-pkg/macros.h>
+
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/strutl.h>
 #endif
@@ -25,9 +27,9 @@
 
 class URI;
 
-// kill this export on the next ABI break - strongly doubt its in use anyway
+// FIXME: kill this export on the next ABI break - strongly doubt its in use anyway
 // outside of the apt itself, its really a internal interface
-__deprecated int parsenetrc (char *host, char *login, char *password, char *filename);
+APT_DEPRECATED int parsenetrc (char *host, char *login, char *password, char *filename);
 
 void maybe_add_auth (URI &Uri, std::string NetRCFile);
 #endif
diff --git a/apt-pkg/contrib/progress.cc b/apt-pkg/contrib/progress.cc
index 916e1d730..4ff4f181d 100644
--- a/apt-pkg/contrib/progress.cc
+++ b/apt-pkg/contrib/progress.cc
@@ -14,6 +14,8 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 
+#include <sys/time.h>
+#include <string>
 #include <iostream>
 #include <stdio.h>
 #include <cstring>
@@ -125,14 +127,14 @@ bool OpProgress::CheckChange(float Interval)
 // OpTextProgress::OpTextProgress - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-OpTextProgress::OpTextProgress(Configuration &Config) : 
-                               NoUpdate(false), NoDisplay(false), LastLen(0) 
+OpTextProgress::OpTextProgress(Configuration &Config) :
+                               NoUpdate(false), NoDisplay(false), LastLen(0)
 {
    if (Config.FindI("quiet",0) >= 1 || Config.FindB("quiet::NoUpdate", false) == true)
       NoUpdate = true;
    if (Config.FindI("quiet",0) >= 2)
       NoDisplay = true;
-};
+}
 									/*}}}*/
 // OpTextProgress::Done - Clean up the display				/*{{{*/
 // ---------------------------------------------------------------------
@@ -150,12 +152,12 @@ void OpTextProgress::Done()
       cout << endl;
       OldOp = string();
    }
-   
+
    if (NoUpdate == true && NoDisplay == false && OldOp.empty() == false)
    {
       OldOp = string();
-      cout << endl;   
-   }   
+      cout << endl;
+   }
 }
 									/*}}}*/
 // OpTextProgress::Update - Simple text spinner				/*{{{*/
diff --git a/apt-pkg/contrib/sha1.cc b/apt-pkg/contrib/sha1.cc
index b5a6a2440..bf6bc6cb6 100644
--- a/apt-pkg/contrib/sha1.cc
+++ b/apt-pkg/contrib/sha1.cc
@@ -32,12 +32,9 @@
 #include <config.h>
 
 #include <apt-pkg/sha1.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/macros.h>
 
+#include <stdint.h>
 #include <string.h>
-#include <unistd.h>
-#include <inttypes.h>
 									/*}}}*/
 
 // SHA1Transform - Alters an existing SHA-1 hash			/*{{{*/
diff --git a/apt-pkg/contrib/sha1.h b/apt-pkg/contrib/sha1.h
index a8d55eb13..5770c315a 100644
--- a/apt-pkg/contrib/sha1.h
+++ b/apt-pkg/contrib/sha1.h
@@ -14,12 +14,13 @@
 #ifndef APTPKG_SHA1_H
 #define APTPKG_SHA1_H
 
+#include "hashsum_template.h"
+
+#ifndef APT_10_CLEANER_HEADERS
 #include <string>
 #include <cstring>
 #include <algorithm>
-
-#include "hashsum_template.h"
-
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::min;
diff --git a/apt-pkg/contrib/sha2.h b/apt-pkg/contrib/sha2.h
index 8e0c99a1b..a25ad4d32 100644
--- a/apt-pkg/contrib/sha2.h
+++ b/apt-pkg/contrib/sha2.h
@@ -14,14 +14,18 @@
 #ifndef APTPKG_SHA2_H
 #define APTPKG_SHA2_H
 
-#include <string>
 #include <cstring>
-#include <algorithm>
-#include <stdint.h>
 
 #include "sha2_internal.h"
 #include "hashsum_template.h"
 
+#ifndef APT_10_CLEANER_HEADERS
+#include <string>
+#include <algorithm>
+#include <stdint.h>
+#endif
+
+
 typedef HashSumValue<512> SHA512SumValue;
 typedef HashSumValue<256> SHA256SumValue;
 
diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc
index bb2560252..131ff5beb 100644
--- a/apt-pkg/contrib/sha2_internal.cc
+++ b/apt-pkg/contrib/sha2_internal.cc
@@ -33,6 +33,7 @@
  */
 #include <config.h>
 
+#include <endian.h>
 #include <string.h>	/* memcpy()/memset() or bcopy()/bzero() */
 #include <assert.h>	/* assert() */
 #include "sha2_internal.h"
diff --git a/apt-pkg/contrib/sha2_internal.h b/apt-pkg/contrib/sha2_internal.h
index d9d429c92..1b82d965d 100644
--- a/apt-pkg/contrib/sha2_internal.h
+++ b/apt-pkg/contrib/sha2_internal.h
@@ -44,6 +44,7 @@
 
 #ifdef SHA2_USE_INTTYPES_H
 
+#include <stddef.h>
 #include <inttypes.h>
 
 #endif /* SHA2_USE_INTTYPES_H */
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index d4f53ea3a..2100ee47b 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -21,6 +21,11 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 
+#include <stddef.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string>
+#include <vector>
 #include <ctype.h>
 #include <string.h>
 #include <sstream>
@@ -33,9 +38,9 @@
 #include <iconv.h>
 
 #include <apti18n.h>
-
-using namespace std;
 									/*}}}*/
+using namespace std;
+
 // Strip - Remove white space from the front and back of a string       /*{{{*/
 // ---------------------------------------------------------------------
 namespace APT {
@@ -153,7 +158,7 @@ char *_strrstrip(char *String)
    End++;
    *End = 0;
    return String;
-};
+}
 									/*}}}*/
 // strtabexpand - Converts tabs into 8 spaces				/*{{{*/
 // ---------------------------------------------------------------------
@@ -1130,9 +1135,11 @@ bool TokSplitString(char Tok,char *Input,char **List,
    also, but the advantage is that we have an iteratable vector */
 vector<string> VectorizeString(string const &haystack, char const &split)
 {
+   vector<string> exploded;
+   if (haystack.empty() == true)
+      return exploded;
    string::const_iterator start = haystack.begin();
    string::const_iterator end = start;
-   vector<string> exploded;
    do {
       for (; end != haystack.end() && *end != split; ++end);
       exploded.push_back(string(start, end));
@@ -1182,7 +1189,7 @@ unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin,
       R->Hit = false;
 
    unsigned long Hits = 0;
-   for (; ListBegin != ListEnd; ListBegin++)
+   for (; ListBegin < ListEnd; ++ListBegin)
    {
       // Check if the name is a regex
       const char *I;
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 8d746f10e..185cdc3fc 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -18,15 +18,18 @@
 
 
 #include <limits>
-#include <stdlib.h>
 #include <string>
 #include <cstring>
 #include <vector>
 #include <iostream>
 #include <time.h>
+#include <stddef.h>
 
 #include "macros.h"
 
+#ifndef APT_10_CLEANER_HEADERS
+#include <stdlib.h>
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::vector;
@@ -37,8 +40,8 @@ namespace APT {
    namespace String {
       std::string Strip(const std::string &s);
       bool Endswith(const std::string &s, const std::string &ending);
-   };
-};
+   }
+}
 
 
 bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest);
@@ -60,9 +63,9 @@ std::string Base64Encode(const std::string &Str);
 std::string OutputInDepth(const unsigned long Depth, const char* Separator="  ");
 std::string URItoFileName(const std::string &URI);
 std::string TimeRFC1123(time_t Date);
-bool RFC1123StrToTime(const char* const str,time_t &time) __must_check;
-bool FTPMDTMStrToTime(const char* const str,time_t &time) __must_check;
-__deprecated bool StrToTime(const std::string &Val,time_t &Result);
+bool RFC1123StrToTime(const char* const str,time_t &time) APT_MUSTCHECK;
+bool FTPMDTMStrToTime(const char* const str,time_t &time) APT_MUSTCHECK;
+APT_DEPRECATED bool StrToTime(const std::string &Val,time_t &Result);
 std::string LookupTag(const std::string &Message,const char *Tag,const char *Default = 0);
 int StringToBool(const std::string &Text,int Default = -1);
 bool ReadMessages(int Fd, std::vector<std::string> &List);
@@ -76,7 +79,7 @@ bool TokSplitString(char Tok,char *Input,char **List,
 		    unsigned long ListMax);
 
 // split a given string by a char
-std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const;
+std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) APT_CONST;
 
 /* \brief Return a vector of strings from string "input" where "sep"
  * is used as the delimiter string.
@@ -94,56 +97,56 @@ std::vector<std::string> VectorizeString(std::string const &haystack, char const
  */
 std::vector<std::string> StringSplit(std::string const &input, 
                                      std::string const &sep, 
-                                     unsigned int maxsplit=std::numeric_limits<unsigned int>::max()) __attrib_const;
+                                     unsigned int maxsplit=std::numeric_limits<unsigned int>::max()) APT_CONST;
 
-void ioprintf(std::ostream &out,const char *format,...) __like_printf(2);
-void strprintf(std::string &out,const char *format,...) __like_printf(2);
-char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3);
+void ioprintf(std::ostream &out,const char *format,...) APT_PRINTF(2);
+void strprintf(std::string &out,const char *format,...) APT_PRINTF(2);
+char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_PRINTF(3);
 bool CheckDomainList(const std::string &Host, const std::string &List);
-int tolower_ascii(int const c) __attrib_const __hot;
+int tolower_ascii(int const c) APT_CONST APT_HOT;
 std::string StripEpoch(const std::string &VerStr);
 
 #define APT_MKSTRCMP(name,func) \
-inline int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));}; \
-inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
-inline int name(const std::string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \
-inline int name(const std::string& A,const std::string& B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());}; \
-inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);};
+inline APT_PURE int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));} \
+inline APT_PURE int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const std::string& B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());} \
+inline APT_PURE int name(const std::string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);}
 
 #define APT_MKSTRCMP2(name,func) \
-inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
-inline int name(const std::string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \
-inline int name(const std::string& A,const std::string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \
-inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);};
+inline APT_PURE int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const std::string& B) {return func(A.begin(),A.end(),B.begin(),B.end());} \
+inline APT_PURE int name(const std::string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);}
 
-int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
-int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
+int APT_PURE stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
+int APT_PURE stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
 
 /* We assume that GCC 3 indicates that libstdc++3 is in use too. In that
    case the definition of string::const_iterator is not the same as
    const char * and we need these extra functions */
 #if __GNUC__ >= 3
-int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
 	      const char *B,const char *BEnd);
-int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
 	      std::string::const_iterator B,std::string::const_iterator BEnd);
-int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
 		  const char *B,const char *BEnd);
-int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
                   std::string::const_iterator B,std::string::const_iterator BEnd);
 
-inline int stringcmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));};
-inline int stringcasecmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));};
+inline APT_PURE int stringcmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));}
+inline APT_PURE int stringcasecmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));}
 #endif
 
-APT_MKSTRCMP2(stringcmp,stringcmp);
-APT_MKSTRCMP2(stringcasecmp,stringcasecmp);
+APT_MKSTRCMP2(stringcmp,stringcmp)
+APT_MKSTRCMP2(stringcasecmp,stringcasecmp)
 
 // Return the length of a NULL-terminated string array
-size_t strv_length(const char **str_array);
+size_t APT_PURE strv_length(const char **str_array);
 
 
-inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
+inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);}
 
 class URI
 {
@@ -159,13 +162,13 @@ class URI
    unsigned int Port;
    
    operator std::string();
-   inline void operator =(const std::string &From) {CopyFrom(From);};
+   inline void operator =(const std::string &From) {CopyFrom(From);}
    inline bool empty() {return Access.empty();};
    static std::string SiteOnly(const std::string &URI);
    static std::string NoUserPassword(const std::string &URI);
    
-   URI(std::string Path) {CopyFrom(Path);};
-   URI() : Port(0) {};
+   URI(std::string Path) {CopyFrom(Path);}
+   URI() : Port(0) {}
 };
 
 struct SubstVar
diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc
index 909dfcf47..eee758b7a 100644
--- a/apt-pkg/deb/debindexfile.cc
+++ b/apt-pkg/deb/debindexfile.cc
@@ -15,7 +15,6 @@
 #include <apt-pkg/debsrcrecords.h>
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/debrecords.h>
-#include <apt-pkg/sourcelist.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/progress.h>
 #include <apt-pkg/error.h>
@@ -23,7 +22,18 @@
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/debmetaindex.h>
 #include <apt-pkg/gpgv.h>
-
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/srcrecords.h>
+
+#include <stdio.h>
+#include <iostream>
+#include <string>
 #include <sys/stat.h>
 									/*}}}*/
 
@@ -650,7 +660,7 @@ pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const
 // StatusIndex::Exists - Check if the index is available		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool debStatusIndex::Exists() const
+APT_CONST bool debStatusIndex::Exists() const
 {
    // Abort if the file does not exist.
    return true;
diff --git a/apt-pkg/deb/debindexfile.h b/apt-pkg/deb/debindexfile.h
index 9e64d4476..017c69a0a 100644
--- a/apt-pkg/deb/debindexfile.h
+++ b/apt-pkg/deb/debindexfile.h
@@ -16,9 +16,17 @@
 #ifndef PKGLIB_DEBINDEXFILE_H
 #define PKGLIB_DEBINDEXFILE_H
 
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/srcrecords.h>
 
+#include <string>
+
+class OpProgress;
+class pkgAcquire;
+class pkgCacheGenerator;
 
-#include <apt-pkg/indexfile.h>
 
 class debStatusIndex : public pkgIndexFile
 {
@@ -30,10 +38,10 @@ class debStatusIndex : public pkgIndexFile
 
    public:
 
-   virtual const Type *GetType() const;
+   virtual const Type *GetType() const APT_CONST;
    
    // Interface for acquire
-   virtual std::string Describe(bool Short) const {return File;};
+   virtual std::string Describe(bool /*Short*/) const {return File;};
    
    // Interface for the Cache Generator
    virtual bool Exists() const;
@@ -63,7 +71,7 @@ class debPackagesIndex : public pkgIndexFile
    
    public:
    
-   virtual const Type *GetType() const;
+   virtual const Type *GetType() const APT_CONST;
 
    // Stuff for accessing files on remote items
    virtual std::string ArchiveInfo(pkgCache::VerIterator Ver) const;
@@ -102,7 +110,7 @@ class debTranslationsIndex : public pkgIndexFile
 
    public:
    
-   virtual const Type *GetType() const;
+   virtual const Type *GetType() const APT_CONST;
 
    // Interface for acquire
    virtual std::string Describe(bool Short) const;   
@@ -134,7 +142,7 @@ class debSourcesIndex : public pkgIndexFile
    
    public:
 
-   virtual const Type *GetType() const;
+   virtual const Type *GetType() const APT_CONST;
 
    // Stuff for accessing files on remote items
    virtual std::string SourceInfo(pkgSrcRecords::Parser const &Record,
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index acdcc4554..a1bcfb710 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -21,8 +21,17 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/tagfile.h>
 #include <apt-pkg/macros.h>
 
+#include <stddef.h>
+#include <string.h>
+#include <algorithm>
+#include <string>
+#include <vector>
 #include <ctype.h>
 									/*}}}*/
 
@@ -34,7 +43,7 @@ static debListParser::WordList PrioList[] = {
    {"standard",pkgCache::State::Standard},
    {"optional",pkgCache::State::Optional},
    {"extra",pkgCache::State::Extra},
-   {}};
+   {NULL, 0}};
 
 // ListParser::debListParser - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
@@ -95,44 +104,49 @@ string debListParser::Version()
    return Section.FindS("Version");
 }
 									/*}}}*/
-// ListParser::NewVersion - Fill in the version structure		/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
+unsigned char debListParser::ParseMultiArch(bool const showErrors)	/*{{{*/
 {
-   // Parse the section
-   Ver->Section = UniqFindTagWrite("Section");
-
-   // Parse multi-arch
+   unsigned char MA;
    string const MultiArch = Section.FindS("Multi-Arch");
    if (MultiArch.empty() == true)
-      Ver->MultiArch = pkgCache::Version::None;
+      MA = pkgCache::Version::None;
    else if (MultiArch == "same") {
-      // Parse multi-arch
       if (ArchitectureAll() == true)
       {
-	 /* Arch all packages can't be Multi-Arch: same */
-	 _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same",
-			Section.FindS("Package").c_str());
-	 Ver->MultiArch = pkgCache::Version::None;
+	 if (showErrors == true)
+	    _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same",
+		  Section.FindS("Package").c_str());
+	 MA = pkgCache::Version::None;
       }
       else
-	 Ver->MultiArch = pkgCache::Version::Same;
+	 MA = pkgCache::Version::Same;
    }
    else if (MultiArch == "foreign")
-      Ver->MultiArch = pkgCache::Version::Foreign;
+      MA = pkgCache::Version::Foreign;
    else if (MultiArch == "allowed")
-      Ver->MultiArch = pkgCache::Version::Allowed;
+      MA = pkgCache::Version::Allowed;
    else
    {
-      _error->Warning("Unknown Multi-Arch type '%s' for package '%s'",
-			MultiArch.c_str(), Section.FindS("Package").c_str());
-      Ver->MultiArch = pkgCache::Version::None;
+      if (showErrors == true)
+	 _error->Warning("Unknown Multi-Arch type '%s' for package '%s'",
+	       MultiArch.c_str(), Section.FindS("Package").c_str());
+      MA = pkgCache::Version::None;
    }
 
    if (ArchitectureAll() == true)
-      Ver->MultiArch |= pkgCache::Version::All;
+      MA |= pkgCache::Version::All;
 
+   return MA;
+}
+									/*}}}*/
+// ListParser::NewVersion - Fill in the version structure		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
+{
+   // Parse the section
+   Ver->Section = UniqFindTagWrite("Section");
+   Ver->MultiArch = ParseMultiArch(true);
    // Archive Size
    Ver->Size = Section.FindULL("Size");
    // Unpacked Size (in K)
@@ -354,7 +368,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
                           {"hold",pkgCache::State::Hold},
                           {"deinstall",pkgCache::State::DeInstall},
                           {"purge",pkgCache::State::Purge},
-                          {}};
+                          {NULL, 0}};
    if (GrabWord(string(Start,I-Start),WantList,Pkg->SelectedState) == false)
       return _error->Error("Malformed 1st word in the Status line");
 
@@ -370,7 +384,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
                           {"reinstreq",pkgCache::State::ReInstReq},
                           {"hold",pkgCache::State::HoldInst},
                           {"hold-reinstreq",pkgCache::State::HoldReInstReq},
-                          {}};
+                          {NULL, 0}};
    if (GrabWord(string(Start,I-Start),FlagList,Pkg->InstState) == false)
       return _error->Error("Malformed 2nd word in the Status line");
 
@@ -392,7 +406,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
                             {"triggers-pending",pkgCache::State::TriggersPending},
                             {"post-inst-failed",pkgCache::State::HalfConfigured},
                             {"removal-failed",pkgCache::State::HalfInstalled},
-                            {}};
+                            {NULL, 0}};
    if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false)
       return _error->Error("Malformed 3rd word in the Status line");
 
@@ -475,17 +489,30 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
 /* This parses the dependency elements out of a standard string in place,
    bit by bit. */
 const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+               std::string &Package,std::string &Ver,unsigned int &Op)
+   { return ParseDepends(Start, Stop, Package, Ver, Op, false, true, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+               std::string &Package,std::string &Ver,unsigned int &Op,
+               bool const &ParseArchFlags)
+   { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, true, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+               std::string &Package,std::string &Ver,unsigned int &Op,
+               bool const &ParseArchFlags, bool const &StripMultiArch)
+   { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, StripMultiArch, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 					string &Package,string &Ver,
 					unsigned int &Op, bool const &ParseArchFlags,
-					bool const &StripMultiArch)
+					bool const &StripMultiArch,
+					bool const &ParseRestrictionsList)
 {
    // Strip off leading space
-   for (;Start != Stop && isspace(*Start) != 0; Start++);
+   for (;Start != Stop && isspace(*Start) != 0; ++Start);
    
    // Parse off the package name
    const char *I = Start;
    for (;I != Stop && isspace(*I) == 0 && *I != '(' && *I != ')' &&
-	*I != ',' && *I != '|' && *I != '[' && *I != ']'; I++);
+	*I != ',' && *I != '|' && *I != '[' && *I != ']' &&
+	*I != '<' && *I != '>'; ++I);
    
    // Malformed, no '('
    if (I != Stop && *I == ')')
@@ -602,6 +629,76 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
       for (;I != Stop && isspace(*I) != 0; I++);
    }
 
+   if (ParseRestrictionsList == true)
+   {
+      // Parse a restrictions list
+      if (I != Stop && *I == '<')
+      {
+	 ++I;
+	 // malformed
+	 if (unlikely(I == Stop))
+	    return 0;
+
+	 std::vector<string> const profiles = APT::Configuration::getBuildProfiles();
+
+	 const char *End = I;
+	 bool Found = false;
+	 bool NegRestriction = false;
+	 while (I != Stop)
+	 {
+	    // look for whitespace or ending '>'
+	    for (;End != Stop && !isspace(*End) && *End != '>'; ++End);
+
+	    if (unlikely(End == Stop))
+	       return 0;
+
+	    if (*I == '!')
+	    {
+	       NegRestriction = true;
+	       ++I;
+	    }
+
+	    std::string restriction(I, End);
+
+	    std::string prefix = "profile.";
+	    // only support for "profile" prefix, ignore others
+	    if (restriction.size() > prefix.size() &&
+		  restriction.substr(0, prefix.size()) == prefix)
+	    {
+	       // get the name of the profile
+	       restriction = restriction.substr(prefix.size());
+
+	       if (restriction.empty() == false && profiles.empty() == false &&
+		     std::find(profiles.begin(), profiles.end(), restriction) != profiles.end())
+	       {
+		  Found = true;
+		  if (I[-1] != '!')
+		     NegRestriction = false;
+		  // we found a match, so fast-forward to the end of the wildcards
+		  for (; End != Stop && *End != '>'; ++End);
+	       }
+	    }
+
+	    if (*End++ == '>') {
+	       I = End;
+	       break;
+	    }
+
+	    I = End;
+	    for (;I != Stop && isspace(*I) != 0; I++);
+	 }
+
+	 if (NegRestriction == true)
+	    Found = !Found;
+
+	 if (Found == false)
+	    Package = ""; /* not for this restriction */
+      }
+
+      // Skip whitespace
+      for (;I != Stop && isspace(*I) != 0; I++);
+   }
+
    if (I != Stop && *I == '|')
       Op |= pkgCache::Dep::Or;
    
@@ -635,7 +732,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,
       string Version;
       unsigned int Op;
 
-      Start = ParseDepends(Start, Stop, Package, Version, Op, false, false);
+      Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false);
       if (Start == 0)
 	 return _error->Error("Problem parsing dependency %s",Tag);
       size_t const found = Package.rfind(':');
@@ -841,3 +938,24 @@ unsigned char debListParser::GetPrio(string Str)
    return Out;
 }
 									/*}}}*/
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+bool debListParser::SameVersion(unsigned short const Hash,		/*{{{*/
+      pkgCache::VerIterator const &Ver)
+{
+   if (pkgCacheGenerator::ListParser::SameVersion(Hash, Ver) == false)
+      return false;
+   // status file has no (Download)Size, but all others are fair game
+   // status file is parsed last, so the first version we encounter is
+   // probably also the version we have downloaded
+   unsigned long long const Size = Section.FindULL("Size");
+   if (Size != 0 && Size != Ver->Size)
+      return false;
+   // available everywhere, but easier to check here than to include in VersionHash
+   unsigned char MultiArch = ParseMultiArch(false);
+   if (MultiArch != Ver->MultiArch)
+      return false;
+   // for all practical proposes (we can check): same version
+   return true;
+}
+									/*}}}*/
+#endif
diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h
index 386d291a2..baace79fe 100644
--- a/apt-pkg/deb/deblistparser.h
+++ b/apt-pkg/deb/deblistparser.h
@@ -13,11 +13,19 @@
 
 #include <apt-pkg/pkgcachegen.h>
 #include <apt-pkg/tagfile.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/macros.h>
+
+#include <string>
+#include <vector>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/indexfile.h>
 #endif
 
+class FileFd;
+
 class debListParser : public pkgCacheGenerator::ListParser
 {
    public:
@@ -63,6 +71,9 @@ class debListParser : public pkgCacheGenerator::ListParser
    virtual std::string DescriptionLanguage();
    virtual MD5SumValue Description_md5();
    virtual unsigned short VersionHash();
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+   virtual bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver);
+#endif
    virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
 			   pkgCache::VerIterator &Ver);
    virtual unsigned long Offset() {return iOffset;};
@@ -72,15 +83,27 @@ class debListParser : public pkgCacheGenerator::ListParser
    
    bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
 			std::string section);
-   
+
+   static const char *ParseDepends(const char *Start,const char *Stop,
+	 std::string &Package,std::string &Ver,unsigned int &Op);
    static const char *ParseDepends(const char *Start,const char *Stop,
-			    std::string &Package,std::string &Ver,unsigned int &Op,
-			    bool const &ParseArchFlags = false,
-			    bool const &StripMultiArch = true);
+	 std::string &Package,std::string &Ver,unsigned int &Op,
+	 bool const &ParseArchFlags);
+   static const char *ParseDepends(const char *Start,const char *Stop,
+	 std::string &Package,std::string &Ver,unsigned int &Op,
+	 bool const &ParseArchFlags, bool const &StripMultiArch);
+   static const char *ParseDepends(const char *Start,const char *Stop,
+	 std::string &Package,std::string &Ver,unsigned int &Op,
+	 bool const &ParseArchFlags, bool const &StripMultiArch,
+	 bool const &ParseRestrictionsList);
+
    static const char *ConvertRelation(const char *I,unsigned int &Op);
 
    debListParser(FileFd *File, std::string const &Arch = "");
    virtual ~debListParser() {};
+
+   private:
+   APT_HIDDEN unsigned char ParseMultiArch(bool const showErrors);
 };
 
 #endif
diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index 504877558..6fd12add8 100644
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -9,8 +9,15 @@
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/indexrecords.h>
 #include <apt-pkg/sourcelist.h>
-#include <apt-pkg/error.h>
-
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/metaindex.h>
+
+#include <string.h>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
 #include <set>
 #include <algorithm>
 
diff --git a/apt-pkg/deb/debmetaindex.h b/apt-pkg/deb/debmetaindex.h
index cef8d68f7..2286fa8b2 100644
--- a/apt-pkg/deb/debmetaindex.h
+++ b/apt-pkg/deb/debmetaindex.h
@@ -3,7 +3,7 @@
 #define PKGLIB_DEBMETAINDEX_H
 
 #include <apt-pkg/metaindex.h>
-#include <apt-pkg/init.h>
+#include <apt-pkg/macros.h>
 
 #include <map>
 #include <string>
@@ -12,6 +12,12 @@
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/sourcelist.h>
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/init.h>
+#endif
+
+class pkgAcquire;
+class pkgIndexFile;
 
 class debReleaseIndex : public metaIndex {
    public:
diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
index 184c07c33..6063db5a8 100644
--- a/apt-pkg/deb/debrecords.cc
+++ b/apt-pkg/deb/debrecords.cc
@@ -12,10 +12,16 @@
 
 #include <apt-pkg/debrecords.h>
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/error.h>
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/tagfile.h>
 
+#include <string.h>
+#include <algorithm>
+#include <string>
+#include <vector>
 #include <langinfo.h>
 									/*}}}*/
 
diff --git a/apt-pkg/deb/debrecords.h b/apt-pkg/deb/debrecords.h
index b5e3bbdba..bdac6c90b 100644
--- a/apt-pkg/deb/debrecords.h
+++ b/apt-pkg/deb/debrecords.h
@@ -17,6 +17,9 @@
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/indexfile.h>
diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc
index ce55ccd1f..b09588dd3 100644
--- a/apt-pkg/deb/debsrcrecords.cc
+++ b/apt-pkg/deb/debsrcrecords.cc
@@ -15,12 +15,19 @@
 #include <apt-pkg/debsrcrecords.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/tagfile.h>
 
-using std::max;
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <algorithm>
+#include <string>
+#include <vector>
 									/*}}}*/
 
+using std::max;
 using std::string;
 
 // SrcRecordParser::Binaries - Return the binaries field		/*{{{*/
@@ -57,7 +64,7 @@ const char **debSrcRecordParser::Binaries()
    } while (*bin != '\0');
    StaticBinList.push_back(NULL);
 
-   return (const char **) &StaticBinList[0];
+   return &StaticBinList[0];
 }
 									/*}}}*/
 // SrcRecordParser::BuildDepends - Return the Build-Depends information	/*{{{*/
@@ -90,7 +97,7 @@ bool debSrcRecordParser::BuildDepends(std::vector<pkgSrcRecords::Parser::BuildDe
       while (1)
       {
          Start = debListParser::ParseDepends(Start, Stop, 
-		     rec.Package,rec.Version,rec.Op,true, StripMultiArch);
+		     rec.Package,rec.Version,rec.Op,true,StripMultiArch,true);
 	 
          if (Start == 0) 
             return _error->Error("Problem parsing dependency: %s", fields[I]);
diff --git a/apt-pkg/deb/debsrcrecords.h b/apt-pkg/deb/debsrcrecords.h
index a8fb465bb..b65d1480b 100644
--- a/apt-pkg/deb/debsrcrecords.h
+++ b/apt-pkg/deb/debsrcrecords.h
@@ -11,11 +11,16 @@
 #ifndef PKGLIB_DEBSRCRECORDS_H
 #define PKGLIB_DEBSRCRECORDS_H
 
-
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/fileutl.h>
 
+#include <stddef.h>
+#include <string>
+#include <vector>
+
+class pkgIndexFile;
+
 class debSrcRecordParser : public pkgSrcRecords::Parser
 {
    /** \brief dpointer placeholder (for later in case we need it) */
diff --git a/apt-pkg/deb/debsystem.cc b/apt-pkg/deb/debsystem.cc
index b95ff15df..142f3a6e6 100644
--- a/apt-pkg/deb/debsystem.cc
+++ b/apt-pkg/deb/debsystem.cc
@@ -19,7 +19,14 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
-#include <sys/types.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+#include <vector>
 #include <unistd.h>
 #include <dirent.h>
 #include <errno.h>
@@ -195,7 +202,7 @@ bool debSystem::Initialize(Configuration &Cnf)
 // ---------------------------------------------------------------------
 /* The standard name for a deb is 'deb'.. There are no separate versions
    of .deb to worry about.. */
-bool debSystem::ArchiveSupported(const char *Type)
+APT_PURE bool debSystem::ArchiveSupported(const char *Type)
 {
    if (strcmp(Type,"deb") == 0)
       return true;
diff --git a/apt-pkg/deb/debsystem.h b/apt-pkg/deb/debsystem.h
index 855123516..a945f68fb 100644
--- a/apt-pkg/deb/debsystem.h
+++ b/apt-pkg/deb/debsystem.h
@@ -12,11 +12,19 @@
 
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
+#include <vector>
+class Configuration;
+class pkgIndexFile;
+class pkgPackageManager;
 class debSystemPrivate;
-class debStatusIndex;
 class pkgDepCache;
 
+#ifndef APT_10_CLEANER_HEADERS
+class debStatusIndex;
+#endif
+
 class debSystem : public pkgSystem
 {
    // private d-pointer
diff --git a/apt-pkg/deb/debversion.cc b/apt-pkg/deb/debversion.cc
index 74e2552ff..a5eacb7f5 100644
--- a/apt-pkg/deb/debversion.cc
+++ b/apt-pkg/deb/debversion.cc
@@ -15,6 +15,8 @@
 #include <apt-pkg/debversion.h>
 #include <apt-pkg/pkgcache.h>
 
+#include <string.h>
+#include <string>
 #include <stdlib.h>
 #include <ctype.h>
 									/*}}}*/
diff --git a/apt-pkg/deb/debversion.h b/apt-pkg/deb/debversion.h
index f1d6f3cc5..434ff4a2e 100644
--- a/apt-pkg/deb/debversion.h
+++ b/apt-pkg/deb/debversion.h
@@ -12,26 +12,26 @@
 #ifndef PKGLIB_DEBVERSION_H
 #define PKGLIB_DEBVERSION_H
 
+#include <apt-pkg/version.h>
 
+#include <string>
 
-#include <apt-pkg/version.h>
-    
 class debVersioningSystem : public pkgVersioningSystem
-{     
+{
    public:
-   
+
    static int CmpFragment(const char *A, const char *AEnd, const char *B,
-			  const char *BEnd);
-   
+			  const char *BEnd) APT_PURE;
+
    // Compare versions..
    virtual int DoCmpVersion(const char *A,const char *Aend,
-			  const char *B,const char *Bend);
-   virtual bool CheckDep(const char *PkgVer,int Op,const char *DepVer);
-   virtual int DoCmpReleaseVer(const char *A,const char *Aend,
+			  const char *B,const char *Bend) APT_PURE;
+   virtual bool CheckDep(const char *PkgVer,int Op,const char *DepVer) APT_PURE;
+   virtual APT_PURE int DoCmpReleaseVer(const char *A,const char *Aend,
 			     const char *B,const char *Bend)
    {
       return DoCmpVersion(A,Aend,B,Bend);
-   }   
+   }
    virtual std::string UpstreamVersion(const char *A);
 
    debVersioningSystem();
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 78b777140..c52b83c6e 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -10,40 +10,45 @@
 // Includes								/*{{{*/
 #include <config.h>
 
-#include <apt-pkg/dpkgpm.h>
-#include <apt-pkg/error.h>
+#include <apt-pkg/cachefile.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/depcache.h>
-#include <apt-pkg/pkgrecords.h>
-#include <apt-pkg/strutl.h>
+#include <apt-pkg/dpkgpm.h>
+#include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
-#include <apt-pkg/cachefile.h>
-#include <apt-pkg/packagemanager.h>
 #include <apt-pkg/install-progress.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
 
-#include <unistd.h>
-#include <stdlib.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <grp.h>
+#include <pty.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
 #include <sys/select.h>
 #include <sys/stat.h>
-#include <sys/types.h>
+#include <sys/time.h>
 #include <sys/wait.h>
-#include <signal.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <algorithm>
-#include <sstream>
-#include <map>
-#include <pwd.h>
-#include <grp.h>
-#include <iomanip>
-
 #include <termios.h>
+#include <time.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <pty.h>
-#include <stdio.h>
+#include <algorithm>
+#include <cstring>
+#include <iostream>
+#include <map>
+#include <set>
+#include <string>
+#include <utility>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -394,10 +399,14 @@ bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version)
    that are due to be installed. */
 bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
 {
+   bool result = true;
+
    Configuration::Item const *Opts = _config->Tree(Cnf);
    if (Opts == 0 || Opts->Child == 0)
       return true;
    Opts = Opts->Child;
+
+   sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
    
    unsigned int Count = 1;
    for (; Opts != 0; Opts = Opts->Next, Count++)
@@ -405,6 +414,10 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       if (Opts->Value.empty() == true)
          continue;
 
+      if(_config->FindB("Debug::RunScripts", false) == true)
+         std::clog << "Running external script with list of all .deb file: '"
+                   << Opts->Value << "'" << std::endl;
+
       // Determine the protocol version
       string OptSec = Opts->Value;
       string::size_type Pos;
@@ -419,8 +432,10 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       std::set<int> KeepFDs;
       MergeKeepFdsFromConfiguration(KeepFDs);
       int Pipes[2];
-      if (pipe(Pipes) != 0)
-	 return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+      if (pipe(Pipes) != 0) {
+         result = _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+         break;
+      }
       if (InfoFD != (unsigned)Pipes[0])
 	 SetCloseExec(Pipes[0],true);
       else
@@ -454,8 +469,10 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       }
       close(Pipes[0]);
       FILE *F = fdopen(Pipes[1],"w");
-      if (F == 0)
-	 return _error->Errno("fdopen","Faild to open new FD");
+      if (F == 0) {
+         result = _error->Errno("fdopen","Faild to open new FD");
+         break;
+      }
       
       // Feed it the filenames.
       if (Version <= 1)
@@ -483,11 +500,14 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
       fclose(F);
       
       // Clean up the sub process
-      if (ExecWait(Process,Opts->Value.c_str()) == false)
-	 return _error->Error("Failure running script %s",Opts->Value.c_str());
+      if (ExecWait(Process,Opts->Value.c_str()) == false) {
+	 result = _error->Error("Failure running script %s",Opts->Value.c_str());
+         break;
+      }
    }
+   signal(SIGPIPE, old_sigpipe);
 
-   return true;
+   return result;
 }
 									/*}}}*/
 // DPkgPM::DoStdin - Read stdin and pass to slave pty			/*{{{*/
@@ -1570,7 +1590,7 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress)
    return d->dpkg_error.empty();
 }
 
-void SigINT(int sig) {
+void SigINT(int /*sig*/) {
    pkgPackageManager::SigINTStop = true;
 }
 									/*}}}*/
diff --git a/apt-pkg/deb/dpkgpm.h b/apt-pkg/deb/dpkgpm.h
index 02e12a6d9..859c74b46 100644
--- a/apt-pkg/deb/dpkgpm.h
+++ b/apt-pkg/deb/dpkgpm.h
@@ -11,11 +11,20 @@
 #define PKGLIB_DPKGPM_H
 
 #include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/macros.h>
+
 #include <vector>
 #include <map>
 #include <stdio.h>
-#include <apt-pkg/macros.h>
+#include <string>
+
+#ifndef APT_10_CLEANER_HEADERS
 #include <apt-pkg/init.h>
+#endif
+
+class pkgDepCache;
+namespace APT { namespace Progress { class PackageManager; } }
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::vector;
@@ -82,7 +91,7 @@ class pkgDPkgPM : public pkgPackageManager
 
    // Helpers
    bool RunScriptsWithPkgs(const char *Cnf);
-   __deprecated bool SendV2Pkgs(FILE *F);
+   APT_DEPRECATED bool SendV2Pkgs(FILE *F);
    bool SendPkgsInfo(FILE * const F, unsigned int const &Version);
    void WriteHistoryTag(std::string const &tag, std::string value);
    std::string ExpandShortPackageName(pkgDepCache &Cache,
@@ -109,10 +118,10 @@ class pkgDPkgPM : public pkgPackageManager
    void DoDpkgStatusFd(int statusfd);
    void ProcessDpkgStatusLine(char *line);
 #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
-   void DoDpkgStatusFd(int statusfd, int unused) {
+   void DoDpkgStatusFd(int statusfd, int /*unused*/) {
       DoDpkgStatusFd(statusfd);
    }
-   void ProcessDpkgStatusLine(int unused, char *line) {
+   void ProcessDpkgStatusLine(int /*unused*/, char *line) {
       ProcessDpkgStatusLine(line);
    }
 #endif
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index a12e6963d..19a6e0d7e 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -11,20 +11,26 @@
 #include<config.h>
 
 #include <apt-pkg/depcache.h>
-#include <apt-pkg/version.h>
 #include <apt-pkg/versionmatch.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/sptr.h>
-#include <apt-pkg/algorithms.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
-#include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/progress.h>
 #include <apt-pkg/cacheset.h>
-
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <list>
+#include <string>
+#include <utility>
+#include <vector>
 #include <algorithm>
 #include <iostream>
 #include <sstream>
@@ -222,7 +228,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)			/*{{{*/
    return true;
 }
 									/*}}}*/
-bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)	/*{{{*/
+bool pkgDepCache::writeStateFile(OpProgress * /*prog*/, bool InstalledOnly)	/*{{{*/
 {
    bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
    
@@ -868,7 +874,7 @@ bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge,
    return IsDeleteOkProtectInstallRequests(Pkg, rPurge, Depth, FromUser);
 }
 bool pkgDepCache::IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg,
-      bool const rPurge, unsigned long const Depth, bool const FromUser)
+      bool const /*rPurge*/, unsigned long const Depth, bool const FromUser)
 {
    if (FromUser == false && Pkg->CurrentVer == 0)
    {
@@ -889,7 +895,7 @@ bool pkgDepCache::IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg,
    and prevents mode changes for packages on hold for example.
    If you want to check Mode specific stuff you can use the virtual public
    Is<Mode>Ok methods instead */
-char const* PrintMode(char const mode)
+static char const* PrintMode(char const mode)
 {
 	 switch (mode)
 	 {
@@ -1053,10 +1059,9 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
       return true;
    }
 
-   // check if we are allowed to install the package (if we haven't already)
-   if (P.Mode != ModeInstall || P.InstallVer != P.CandidateVer)
-      if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false)
-	 return false;
+   // check if we are allowed to install the package
+   if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false)
+      return false;
 
    ActionGroup group(*this);
    P.iFlags &= ~AutoKept;
@@ -1117,32 +1122,22 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
 	 continue;
 
       /* Check if this dep should be consider for install. If it is a user
-         defined important dep and we are installed a new package then 
+         defined important dep and we are installed a new package then
 	 it will be installed. Otherwise we only check for important
-         deps that have changed from the installed version
-      */
+         deps that have changed from the installed version */
       if (IsImportantDep(Start) == false)
 	 continue;
 
-      /* If we are in an or group locate the first or that can 
-         succeed. We have already cached this.. */
+      /* If we are in an or group locate the first or that can
+         succeed. We have already cached this… */
       for (; Ors > 1 && (DepState[Start->ID] & DepCVer) != DepCVer; --Ors)
 	 ++Start;
+
+      /* unsatisfiable dependency: IsInstallOkDependenciesSatisfiableByCandidates
+         would have prevented us to get here if not overridden, so just skip
+	 over the problem here as the frontend will know what it is doing */
       if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer && Start.IsNegative() == false)
-      {
-	 if(DebugAutoInstall == true)
-	    std::clog << OutputInDepth(Depth) << Start << " can't be satisfied!" << std::endl;
-	 if (Start.IsCritical() == false)
-	    continue;
-	 // if the dependency was critical, we have absolutely no chance to install it,
-	 // so if it wasn't installed remove it again. If it was, discard the candidate
-	 // as the problemresolver will trip over it otherwise trying to install it (#735967)
-	 if (Pkg->CurrentVer == 0)
-	    MarkDelete(Pkg,false,Depth + 1, false);
-	 else
-	    SetCandidateVersion(Pkg.CurrentVer());
-	 return false;
-      }
+	 continue;
 
       /* Check if any ImportantDep() (but not Critical) were added
        * since we installed the package.  Also check for deps that
@@ -1294,14 +1289,20 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
 bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst,
 			      unsigned long Depth, bool FromUser)
 {
-   return IsInstallOkMultiArchSameVersionSynced(Pkg,AutoInst, Depth, FromUser);
+   return IsInstallOkMultiArchSameVersionSynced(Pkg,AutoInst, Depth, FromUser) &&
+      IsInstallOkDependenciesSatisfiableByCandidates(Pkg,AutoInst, Depth, FromUser);
 }
 bool pkgDepCache::IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg,
-      bool const AutoInst, unsigned long const Depth, bool const FromUser)
+      bool const /*AutoInst*/, unsigned long const Depth, bool const FromUser)
 {
    if (FromUser == true) // as always: user is always right
       return true;
 
+   // if we have checked before and it was okay, it will still be okay
+   if (PkgState[Pkg->ID].Mode == ModeInstall &&
+	 PkgState[Pkg->ID].InstallVer == PkgState[Pkg->ID].CandidateVer)
+      return true;
+
    // ignore packages with none-M-A:same candidates
    VerIterator const CandVer = PkgState[Pkg->ID].CandidateVerIter(*this);
    if (unlikely(CandVer.end() == true) || CandVer == Pkg.CurrentVer() ||
@@ -1334,6 +1335,53 @@ bool pkgDepCache::IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg,
 
    return true;
 }
+bool pkgDepCache::IsInstallOkDependenciesSatisfiableByCandidates(PkgIterator const &Pkg,
+      bool const AutoInst, unsigned long const Depth, bool const /*FromUser*/)
+{
+   if (AutoInst == false)
+      return true;
+
+   VerIterator const CandVer = PkgState[Pkg->ID].CandidateVerIter(*this);
+   if (unlikely(CandVer.end() == true) || CandVer == Pkg.CurrentVer())
+      return true;
+
+   for (DepIterator Dep = CandVer.DependsList(); Dep.end() != true;)
+   {
+      // Grok or groups
+      DepIterator Start = Dep;
+      bool Result = true;
+      unsigned Ors = 0;
+      for (bool LastOR = true; Dep.end() == false && LastOR == true; ++Dep, ++Ors)
+      {
+	 LastOR = (Dep->CompareOp & Dep::Or) == Dep::Or;
+
+	 if ((DepState[Dep->ID] & DepInstall) == DepInstall)
+	    Result = false;
+      }
+
+      if (Start.IsCritical() == false || Start.IsNegative() == true || Result == false)
+	 continue;
+
+      /* If we are in an or group locate the first or that can succeed.
+         We have already cached this… */
+      for (; Ors > 1 && (DepState[Start->ID] & DepCVer) != DepCVer; --Ors)
+	 ++Start;
+
+      if (Ors == 1 && (DepState[Start->ID] &DepCVer) != DepCVer)
+      {
+	 if (DebugAutoInstall == true)
+	    std::clog << OutputInDepth(Depth) << Start << " can't be satisfied!" << std::endl;
+
+	 // the dependency is critical, but can't be installed, so discard the candidate
+	 // as the problemresolver will trip over it otherwise trying to install it (#735967)
+	 if (Pkg->CurrentVer != 0)
+	    SetCandidateVersion(Pkg.CurrentVer());
+	 return false;
+      }
+   }
+
+   return true;
+}
 									/*}}}*/
 // DepCache::SetReInstall - Set the reinstallation flag			/*{{{*/
 // ---------------------------------------------------------------------
@@ -1685,10 +1733,10 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep)
 }
 									/*}}}*/
 // Policy::GetPriority - Get the priority of the package pin		/*{{{*/
-signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgIterator const &Pkg)
-{ return 0; };
-signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgFileIterator const &File)
-{ return 0; };
+APT_CONST signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgIterator const &/*Pkg*/)
+{ return 0; }
+APT_CONST signed short pkgDepCache::Policy::GetPriority(pkgCache::PkgFileIterator const &/*File*/)
+{ return 0; }
 									/*}}}*/
 pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc()		/*{{{*/
 {
diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h
index f6848f383..bec651279 100644
--- a/apt-pkg/depcache.h
+++ b/apt-pkg/depcache.h
@@ -40,18 +40,27 @@
 
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+
+#include <stddef.h>
 
-#include <vector>
 #include <memory>
-#include <set>
 #include <list>
+#include <string>
+#include <utility>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/progress.h>
 #include <apt-pkg/error.h>
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <set>
+#include <vector>
+#endif
 
 class OpProgress;
+class pkgVersioningSystem;
 
 class pkgDepCache : protected pkgCache::Namespace
 {
@@ -61,7 +70,7 @@ class pkgDepCache : protected pkgCache::Namespace
    class InRootSetFunc
    {
    public:
-     virtual bool InRootSet(const pkgCache::PkgIterator &pkg) {return false;};
+     virtual bool InRootSet(const pkgCache::PkgIterator &/*pkg*/) {return false;};
      virtual ~InRootSetFunc() {};
    };
 
@@ -231,7 +240,7 @@ class pkgDepCache : protected pkgCache::Namespace
       unsigned char DepState;          // DepState Flags
 
       // Update of candidate version
-      const char *StripEpoch(const char *Ver);
+      const char *StripEpoch(const char *Ver) APT_PURE;
       void Update(PkgIterator Pkg,pkgCache &Cache);
       
       // Various test members for the current status of the package
@@ -381,8 +390,8 @@ class pkgDepCache : protected pkgCache::Namespace
    /** \brief Update the Marked and Garbage fields of all packages.
     *
     *  This routine is implicitly invoked after all state manipulators
-    *  and when an ActionGroup is destroyed.  It invokes #MarkRequired
-    *  and #Sweep to do its dirty work.
+    *  and when an ActionGroup is destroyed.  It invokes the private
+    *  MarkRequired() and Sweep() to do its dirty work.
     *
     *  \param rootFunc A predicate that returns \b true for packages
     *  that should be added to the root set.
@@ -465,7 +474,7 @@ class pkgDepCache : protected pkgCache::Namespace
     *
     *  The parameters are the same as in the calling MarkDelete:
     *  \param Pkg       the package that MarkDelete wants to remove.
-    *  \param Purge     should we purge instead of "only" remove?
+    *  \param MarkPurge should we purge instead of "only" remove?
     *  \param Depth     recursive deep of this Marker call
     *  \param FromUser  was the remove requested by the user?
     */
@@ -497,6 +506,8 @@ class pkgDepCache : protected pkgCache::Namespace
    // methods call by IsInstallOk
    bool IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg,
 	 bool const AutoInst, unsigned long const Depth, bool const FromUser);
+   bool IsInstallOkDependenciesSatisfiableByCandidates(PkgIterator const &Pkg,
+      bool const AutoInst, unsigned long const Depth, bool const FromUser);
 
    // methods call by IsDeleteOk
    bool IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg,
diff --git a/apt-pkg/edsp.cc b/apt-pkg/edsp.cc
index e90598392..ee42267bc 100644
--- a/apt-pkg/edsp.cc
+++ b/apt-pkg/edsp.cc
@@ -11,16 +11,25 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/cacheset.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/policy.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/progress.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/strutl.h>
 
-#include <limits>
+#include <ctype.h>
+#include <stddef.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
 #include <stdio.h>
-
+#include <iostream>
+#include <vector>
+#include <limits>
 #include <string>
+#include <list>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -44,7 +53,7 @@ bool EDSP::WriteScenario(pkgDepCache &Cache, FILE* output, OpProgress *Progress)
       for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver, ++p)
       {
 	 WriteScenarioVersion(Cache, output, Pkg, Ver);
-	 WriteScenarioDependency(Cache, output, Pkg, Ver);
+	 WriteScenarioDependency(output, Ver);
 	 fprintf(output, "\n");
 	 if (Progress != NULL && p % 100 == 0)
 	    Progress->Progress(p);
@@ -64,7 +73,7 @@ bool EDSP::WriteLimitedScenario(pkgDepCache &Cache, FILE* output,
       for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
       {
 	 WriteScenarioVersion(Cache, output, Pkg, Ver);
-	 WriteScenarioLimitedDependency(Cache, output, Pkg, Ver, pkgset);
+	 WriteScenarioLimitedDependency(output, Ver, pkgset);
 	 fprintf(output, "\n");
 	 if (Progress != NULL && p % 100 == 0)
 	    Progress->Progress(p);
@@ -111,8 +120,7 @@ void EDSP::WriteScenarioVersion(pkgDepCache &Cache, FILE* output, pkgCache::PkgI
 }
 									/*}}}*/
 // EDSP::WriteScenarioDependency					/*{{{*/
-void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::PkgIterator const &Pkg,
-				pkgCache::VerIterator const &Ver)
+void EDSP::WriteScenarioDependency( FILE* output, pkgCache::VerIterator const &Ver)
 {
    std::string dependencies[pkgCache::Dep::Enhances + 1];
    bool orGroup = false;
@@ -148,8 +156,7 @@ void EDSP::WriteScenarioDependency(pkgDepCache &Cache, FILE* output, pkgCache::P
 }
 									/*}}}*/
 // EDSP::WriteScenarioLimitedDependency					/*{{{*/
-void EDSP::WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
-					  pkgCache::PkgIterator const &Pkg,
+void EDSP::WriteScenarioLimitedDependency(FILE* output,
 					  pkgCache::VerIterator const &Ver,
 					  APT::PackageSet const &pkgset)
 {
diff --git a/apt-pkg/edsp.h b/apt-pkg/edsp.h
index fd4436f60..f3092d3c6 100644
--- a/apt-pkg/edsp.h
+++ b/apt-pkg/edsp.h
@@ -9,8 +9,12 @@
 #ifndef PKGLIB_EDSP_H
 #define PKGLIB_EDSP_H
 
-#include <apt-pkg/pkgcache.h>
 #include <apt-pkg/cacheset.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+
+#include <stdio.h>
 
 #include <list>
 #include <string>
@@ -29,17 +33,15 @@ class EDSP								/*{{{*/
 	static const char * const PrioMap[];
 	static const char * const DepMap[];
 
-	bool static ReadLine(int const input, std::string &line);
-	bool static StringToBool(char const *answer, bool const defValue);
+	APT_HIDDEN bool static ReadLine(int const input, std::string &line);
+	APT_HIDDEN bool static StringToBool(char const *answer, bool const defValue);
 
-	void static WriteScenarioVersion(pkgDepCache &Cache, FILE* output,
+	APT_HIDDEN void static WriteScenarioVersion(pkgDepCache &Cache, FILE* output,
 					 pkgCache::PkgIterator const &Pkg,
 					 pkgCache::VerIterator const &Ver);
-	void static WriteScenarioDependency(pkgDepCache &Cache, FILE* output,
-					    pkgCache::PkgIterator const &Pkg,
+	APT_HIDDEN void static WriteScenarioDependency(FILE* output,
 					    pkgCache::VerIterator const &Ver);
-	void static WriteScenarioLimitedDependency(pkgDepCache &Cache, FILE* output,
-						   pkgCache::PkgIterator const &Pkg,
+	APT_HIDDEN void static WriteScenarioLimitedDependency(FILE* output,
 						   pkgCache::VerIterator const &Ver,
 						   APT::PackageSet const &pkgset);
 public:
diff --git a/apt-pkg/edsp/edspindexfile.cc b/apt-pkg/edsp/edspindexfile.cc
index 98ce4497a..10313fd61 100644
--- a/apt-pkg/edsp/edspindexfile.cc
+++ b/apt-pkg/edsp/edspindexfile.cc
@@ -10,15 +10,20 @@
 
 #include <apt-pkg/edspindexfile.h>
 #include <apt-pkg/edsplistparser.h>
-#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/configuration.h>
-#include <apt-pkg/progress.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
-#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/progress.h>
+#include <apt-pkg/debindexfile.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/pkgrecords.h>
 
-#include <sys/stat.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <string>
 									/*}}}*/
 
 // edspIndex::edspIndex - Constructor					/*{{{*/
@@ -63,7 +68,7 @@ bool edspIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
 class edspIFType: public pkgIndexFile::Type
 {
    public:
-   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
+   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator) const
    {
       // we don't have a record parser for this type as the file is not presistent
       return NULL;
diff --git a/apt-pkg/edsp/edspindexfile.h b/apt-pkg/edsp/edspindexfile.h
index de10f2d2f..609a2cde4 100644
--- a/apt-pkg/edsp/edspindexfile.h
+++ b/apt-pkg/edsp/edspindexfile.h
@@ -9,11 +9,15 @@
 #define PKGLIB_EDSPINDEXFILE_H
 
 #include <apt-pkg/debindexfile.h>
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/indexfile.h>
 #endif
 
+class OpProgress;
+class pkgCacheGenerator;
+
 class edspIndex : public debStatusIndex
 {
    /** \brief dpointer placeholder (for later in case we need it) */
@@ -21,7 +25,7 @@ class edspIndex : public debStatusIndex
 
    public:
 
-   virtual const Type *GetType() const;
+   virtual const Type *GetType() const APT_CONST;
 
    virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
 
diff --git a/apt-pkg/edsp/edsplistparser.cc b/apt-pkg/edsp/edsplistparser.cc
index bcfdb1017..212dc7840 100644
--- a/apt-pkg/edsp/edsplistparser.cc
+++ b/apt-pkg/edsp/edsplistparser.cc
@@ -12,11 +12,13 @@
 #include <config.h>
 
 #include <apt-pkg/edsplistparser.h>
-#include <apt-pkg/error.h>
-#include <apt-pkg/configuration.h>
-#include <apt-pkg/strutl.h>
 #include <apt-pkg/md5.h>
-#include <apt-pkg/macros.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/tagfile.h>
+
+#include <string>
 									/*}}}*/
 
 // ListParser::edspListParser - Constructor				/*{{{*/
@@ -84,8 +86,8 @@ bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
 }
 									/*}}}*/
 // ListParser::LoadReleaseInfo - Load the release information		/*{{{*/
-bool edspListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
-				    FileFd &File, std::string component)
+APT_CONST bool edspListParser::LoadReleaseInfo(pkgCache::PkgFileIterator & /*FileI*/,
+				    FileFd & /*File*/, std::string /*component*/)
 {
    return true;
 }
diff --git a/apt-pkg/edsp/edsplistparser.h b/apt-pkg/edsp/edsplistparser.h
index a7bf9de95..959fb587f 100644
--- a/apt-pkg/edsp/edsplistparser.h
+++ b/apt-pkg/edsp/edsplistparser.h
@@ -12,6 +12,10 @@
 #define PKGLIB_EDSPLISTPARSER_H
 
 #include <apt-pkg/deblistparser.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/pkgcachegen.h>
diff --git a/apt-pkg/edsp/edspsystem.cc b/apt-pkg/edsp/edspsystem.cc
index aae969d9d..92edb8d77 100644
--- a/apt-pkg/edsp/edspsystem.cc
+++ b/apt-pkg/edsp/edspsystem.cc
@@ -11,16 +11,17 @@
 // Include Files							/*{{{*/
 #include <config.h>
 
-#include <apt-pkg/edspsystem.h>
+#include <apt-pkg/configuration.h>
 #include <apt-pkg/debversion.h>
 #include <apt-pkg/edspindexfile.h>
-#include <apt-pkg/configuration.h>
-#include <apt-pkg/error.h>
+#include <apt-pkg/edspsystem.h>
 #include <apt-pkg/fileutl.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <errno.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <stddef.h>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -49,7 +50,7 @@ bool edspSystem::Lock()
 }
 									/*}}}*/
 // System::UnLock - Drop a lock						/*{{{*/
-bool edspSystem::UnLock(bool NoErrors)
+bool edspSystem::UnLock(bool /*NoErrors*/)
 {
    return true;
 }
@@ -58,7 +59,7 @@ bool edspSystem::UnLock(bool NoErrors)
 // ---------------------------------------------------------------------
 /* we can't use edsp input as input for real installations - just a
    simulation can work, but everything else will fail bigtime */
-pkgPackageManager *edspSystem::CreatePM(pkgDepCache *Cache) const
+pkgPackageManager *edspSystem::CreatePM(pkgDepCache * /*Cache*/) const
 {
    return NULL;
 }
@@ -81,7 +82,7 @@ bool edspSystem::Initialize(Configuration &Cnf)
 }
 									/*}}}*/
 // System::ArchiveSupported - Is a file format supported		/*{{{*/
-bool edspSystem::ArchiveSupported(const char *Type)
+bool edspSystem::ArchiveSupported(const char * /*Type*/)
 {
    return false;
 }
diff --git a/apt-pkg/edsp/edspsystem.h b/apt-pkg/edsp/edspsystem.h
index ca703fa84..65e36d714 100644
--- a/apt-pkg/edsp/edspsystem.h
+++ b/apt-pkg/edsp/edspsystem.h
@@ -11,8 +11,17 @@
 #define PKGLIB_EDSPSYSTEM_H
 
 #include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
 
+#include <vector>
+
+class Configuration;
+class pkgDepCache;
+class pkgIndexFile;
+class pkgPackageManager;
 class edspIndex;
+
 class edspSystem : public pkgSystem
 {
    /** \brief dpointer placeholder (for later in case we need it) */
@@ -22,11 +31,11 @@ class edspSystem : public pkgSystem
 
    public:
 
-   virtual bool Lock();
-   virtual bool UnLock(bool NoErrors = false);
-   virtual pkgPackageManager *CreatePM(pkgDepCache *Cache) const;
+   virtual bool Lock() APT_CONST;
+   virtual bool UnLock(bool NoErrors = false) APT_CONST;
+   virtual pkgPackageManager *CreatePM(pkgDepCache *Cache) const APT_CONST;
    virtual bool Initialize(Configuration &Cnf);
-   virtual bool ArchiveSupported(const char *Type);
+   virtual bool ArchiveSupported(const char *Type) APT_CONST;
    virtual signed Score(Configuration const &Cnf);
    virtual bool AddStatusFiles(std::vector<pkgIndexFile *> &List);
    virtual bool FindIndex(pkgCache::PkgFileIterator File,
diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc
index 7694cb1dd..854ba1bd7 100644
--- a/apt-pkg/indexcopy.cc
+++ b/apt-pkg/indexcopy.cc
@@ -20,17 +20,17 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/indexrecords.h>
-#include <apt-pkg/md5.h>
 #include <apt-pkg/cdrom.h>
+#include <apt-pkg/gpgv.h>
+#include <apt-pkg/hashes.h>
 
 #include <iostream>
 #include <sstream>
 #include <unistd.h>
 #include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "indexcopy.h"
 #include <apti18n.h>
@@ -65,7 +65,7 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector<string> &List,
       for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
 	   c != compressor.end(); ++c)
       {
-	 if (stat(std::string(file + c->Extension).c_str(), &Buf) != 0)
+	 if (stat((file + c->Extension).c_str(), &Buf) != 0)
 	    continue;
 	 found = true;
 	 break;
@@ -160,7 +160,7 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector<string> &List,
 	    
 	    // Get the size
 	    struct stat Buf;
-	    if (stat(string(CDROM + Prefix + File).c_str(),&Buf) != 0 || 
+	    if (stat((CDROM + Prefix + File).c_str(),&Buf) != 0 || 
 		Buf.st_size == 0)
 	    {
 	       bool Mangled = false;
@@ -175,7 +175,7 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector<string> &List,
 	       }
 	       
 	       if (Mangled == false ||
-		   stat(string(CDROM + Prefix + File).c_str(),&Buf) != 0)
+		   stat((CDROM + Prefix + File).c_str(),&Buf) != 0)
 	       {
 		  if (Debug == true)
 		     clog << "Missed(2): " << OrigFile << endl;
@@ -286,7 +286,7 @@ bool IndexCopy::ReconstructPrefix(string &Prefix,string OrigPath,string CD,
    while (1)
    {
       struct stat Buf;
-      if (stat(string(CD + MyPrefix + File).c_str(),&Buf) != 0)
+      if (stat((CD + MyPrefix + File).c_str(),&Buf) != 0)
       {
 	 if (Debug == true)
 	    cout << "Failed, " << CD + MyPrefix + File << endl;
@@ -315,7 +315,7 @@ bool IndexCopy::ReconstructChop(unsigned long &Chop,string Dir,string File)
    while (1)
    {
       struct stat Buf;
-      if (stat(string(Dir + File).c_str(),&Buf) != 0)
+      if (stat((Dir + File).c_str(),&Buf) != 0)
       {
 	 File = ChopDirs(File,1);
 	 Depth++;
@@ -436,8 +436,8 @@ bool PackageCopy::GetFile(string &File,unsigned long long &Size)
 /* */
 bool PackageCopy::RewriteEntry(FILE *Target,string File)
 {
-   TFRewriteData Changes[] = {{"Filename",File.c_str()},
-                              {}};
+   TFRewriteData Changes[] = {{ "Filename", File.c_str(), NULL },
+                              { NULL, NULL, NULL }};
    
    if (TFRewrite(Target,*Section,TFRewritePackageOrder,Changes) == false)
       return false;
@@ -482,8 +482,8 @@ bool SourceCopy::GetFile(string &File,unsigned long long &Size)
 bool SourceCopy::RewriteEntry(FILE *Target,string File)
 {
    string Dir(File,0,File.rfind('/'));
-   TFRewriteData Changes[] = {{"Directory",Dir.c_str()},
-                              {}};
+   TFRewriteData Changes[] = {{ "Directory", Dir.c_str(), NULL },
+                              { NULL, NULL, NULL }};
    
    if (TFRewrite(Target,*Section,TFRewriteSourceOrder,Changes) == false)
       return false;
@@ -551,7 +551,7 @@ bool SigVerify::CopyMetaIndex(string CDROM, string CDName,		/*{{{*/
 }
 									/*}}}*/
 bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,	/*{{{*/
-			      vector<string> PkgList,vector<string> SrcList)
+			      vector<string> /*PkgList*/,vector<string> /*SrcList*/)
 {
    if (SigList.empty() == true)
       return true;
@@ -642,16 +642,14 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
 }
 									/*}}}*/
 // SigVerify::RunGPGV - deprecated wrapper calling ExecGPGV		/*{{{*/
-bool SigVerify::RunGPGV(std::string const &File, std::string const &FileOut,
+APT_NORETURN bool SigVerify::RunGPGV(std::string const &File, std::string const &FileOut,
       int const &statusfd, int fd[2]) {
    ExecGPGV(File, FileOut, statusfd, fd);
-   return false;
-};
-bool SigVerify::RunGPGV(std::string const &File, std::string const &FileOut,
+}
+APT_NORETURN bool SigVerify::RunGPGV(std::string const &File, std::string const &FileOut,
       int const &statusfd) {
    ExecGPGV(File, FileOut, statusfd);
-   return false;
-};
+}
 									/*}}}*/
 bool TranslationsCopy::CopyTranslations(string CDROM,string Name,	/*{{{*/
 				vector<string> &List, pkgCdromStatus *log)
@@ -676,7 +674,7 @@ bool TranslationsCopy::CopyTranslations(string CDROM,string Name,	/*{{{*/
       for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
 	   c != compressor.end(); ++c)
       {
-	 if (stat(std::string(file + c->Extension).c_str(), &Buf) != 0)
+	 if (stat((file + c->Extension).c_str(), &Buf) != 0)
 	    continue;
 	 found = true;
 	 break;
diff --git a/apt-pkg/indexcopy.h b/apt-pkg/indexcopy.h
index e6a07a887..43cdb3f0a 100644
--- a/apt-pkg/indexcopy.h
+++ b/apt-pkg/indexcopy.h
@@ -14,16 +14,18 @@
 #include <string>
 #include <stdio.h>
 
-#include <apt-pkg/gpgv.h>
 #include <apt-pkg/macros.h>
 
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/gpgv.h>
+class FileFd;
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::vector;
 #endif
 
 class pkgTagSection;
-class FileFd;
 class indexRecords;
 class pkgCdromStatus;
 
@@ -99,9 +101,9 @@ class SigVerify								/*{{{*/
    bool CopyAndVerify(std::string CDROM,std::string Name,std::vector<std::string> &SigList,
 		      std::vector<std::string> PkgList,std::vector<std::string> SrcList);
 
-   __deprecated static bool RunGPGV(std::string const &File, std::string const &FileOut,
+   APT_DEPRECATED static bool RunGPGV(std::string const &File, std::string const &FileOut,
 		       int const &statusfd, int fd[2]);
-   __deprecated static bool RunGPGV(std::string const &File, std::string const &FileOut,
+   APT_DEPRECATED static bool RunGPGV(std::string const &File, std::string const &FileOut,
 			      int const &statusfd = -1);
 };
 									/*}}}*/
diff --git a/apt-pkg/indexfile.cc b/apt-pkg/indexfile.cc
index 642a750d4..89615cb41 100644
--- a/apt-pkg/indexfile.cc
+++ b/apt-pkg/indexfile.cc
@@ -13,7 +13,13 @@
 #include <apt-pkg/indexfile.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/macros.h>
 
+#include <string>
+#include <vector>
 #include <clocale>
 #include <cstring>
 									/*}}}*/
@@ -47,7 +53,7 @@ pkgIndexFile::Type *pkgIndexFile::Type::GetType(const char *Type)
 // IndexFile::ArchiveInfo - Stub					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator Ver) const
+std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator /*Ver*/) const
 {
    return std::string();
 }
@@ -63,8 +69,8 @@ pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
 // IndexFile::SourceIndex - Stub					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &Record,
-				pkgSrcRecords::File const &File) const
+std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/*Record*/,
+				pkgSrcRecords::File const &/*File*/) const
 {
    return std::string();
 }
@@ -82,7 +88,7 @@ bool pkgIndexFile::TranslationsAvailable() {
    is already done in getLanguages(). Note also that this check is
    rather bad (doesn't take three character like ast into account).
    TODO: Remove method with next API break */
-__attribute__ ((deprecated)) bool pkgIndexFile::CheckLanguageCode(const char *Lang)
+APT_DEPRECATED bool pkgIndexFile::CheckLanguageCode(const char *Lang)
 {
   if (strlen(Lang) == 2 || (strlen(Lang) == 5 && Lang[2] == '_'))
     return true;
@@ -98,7 +104,7 @@ __attribute__ ((deprecated)) bool pkgIndexFile::CheckLanguageCode(const char *La
 /* As we have now possibly more than one LanguageCode this method is
    supersided by a) private classmembers or b) getLanguages().
    TODO: Remove method with next API break */
-__attribute__ ((deprecated)) std::string pkgIndexFile::LanguageCode() {
+APT_DEPRECATED std::string pkgIndexFile::LanguageCode() {
 	if (TranslationsAvailable() == false)
 		return "";
 	return APT::Configuration::getLanguages()[0];
diff --git a/apt-pkg/indexfile.h b/apt-pkg/indexfile.h
index a0096fa34..b5c9ac77e 100644
--- a/apt-pkg/indexfile.h
+++ b/apt-pkg/indexfile.h
@@ -22,18 +22,21 @@
 #ifndef PKGLIB_INDEXFILE_H
 #define PKGLIB_INDEXFILE_H
 
-
-#include <string>
-#include <apt-pkg/pkgcache.h>
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/macros.h>
 
+#include <string>
+
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 #endif
-
+#ifndef APT_10_CLEANER_HEADERS
 class pkgAcquire;
+#endif
+
 class pkgCacheGenerator;
 class OpProgress;
 
@@ -51,7 +54,7 @@ class pkgIndexFile
       // Global list of Items supported
       static Type **GlobalList;
       static unsigned long GlobalListLen;
-      static Type *GetType(const char *Type);
+      static Type *GetType(const char *Type) APT_PURE;
 
       const char *Label;
 
@@ -78,11 +81,11 @@ class pkgIndexFile
    virtual bool Exists() const = 0;
    virtual bool HasPackages() const = 0;
    virtual unsigned long Size() const = 0;
-   virtual bool Merge(pkgCacheGenerator &Gen, OpProgress* Prog) const { return false; };
-   __deprecated virtual bool Merge(pkgCacheGenerator &Gen, OpProgress &Prog) const
+   virtual bool Merge(pkgCacheGenerator &/*Gen*/, OpProgress* /*Prog*/) const { return false; };
+   APT_DEPRECATED virtual bool Merge(pkgCacheGenerator &Gen, OpProgress &Prog) const
       { return Merge(Gen, &Prog); };
-   virtual bool MergeFileProvides(pkgCacheGenerator &Gen,OpProgress* Prog) const {return true;};
-   __deprecated virtual bool MergeFileProvides(pkgCacheGenerator &Gen, OpProgress &Prog) const
+   virtual bool MergeFileProvides(pkgCacheGenerator &/*Gen*/,OpProgress* /*Prog*/) const {return true;};
+   APT_DEPRECATED virtual bool MergeFileProvides(pkgCacheGenerator &Gen, OpProgress &Prog) const
       {return MergeFileProvides(Gen, &Prog);};
    virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const;
 
diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index f8097c3c6..5353d1098 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -14,41 +14,46 @@
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/gpgv.h>
 
-#include <sys/stat.h>
+#include <stdlib.h>
+#include <time.h>
 #include <clocale>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
 
 using std::string;
 
-string indexRecords::GetDist() const
+APT_PURE string indexRecords::GetDist() const
 {
    return this->Dist;
 }
 
-string indexRecords::GetSuite() const
+APT_PURE string indexRecords::GetSuite() const
 {
    return this->Suite;
 }
 
-bool indexRecords::CheckDist(const string MaybeDist) const
+APT_PURE bool indexRecords::CheckDist(const string MaybeDist) const
 {
    return (this->Dist == MaybeDist
 	   || this->Suite == MaybeDist);
 }
 
-string indexRecords::GetExpectedDist() const
+APT_PURE string indexRecords::GetExpectedDist() const
 {
    return this->ExpectedDist;
 }
 
-time_t indexRecords::GetValidUntil() const
+APT_PURE time_t indexRecords::GetValidUntil() const
 {
    return this->ValidUntil;
 }
 
-const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey)
+APT_PURE const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey)
 {
    std::map<std::string, indexRecords::checkSum* >::const_iterator sum = Entries.find(MetaKey);
    if (sum == Entries.end())
@@ -56,7 +61,7 @@ const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey)
    return sum->second;
 }
 
-bool indexRecords::Exists(string const &MetaKey) const
+APT_PURE bool indexRecords::Exists(string const &MetaKey) const
 {
    return Entries.count(MetaKey) == 1;
 }
@@ -129,10 +134,10 @@ bool indexRecords::Load(const string Filename)				/*{{{*/
    // get the user settings for this archive and use what expires earlier
    int MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
    if (Label.empty() == false)
-      MaxAge = _config->FindI(string("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
+      MaxAge = _config->FindI(("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
    int MinAge = _config->FindI("Acquire::Min-ValidTime", 0);
    if (Label.empty() == false)
-      MinAge = _config->FindI(string("Acquire::Min-ValidTime::" + Label).c_str(), MinAge);
+      MinAge = _config->FindI(("Acquire::Min-ValidTime::" + Label).c_str(), MinAge);
 
    if(MaxAge == 0 &&
       (MinAge == 0 || ValidUntil == 0)) // No user settings, use the one from the Release file
diff --git a/apt-pkg/indexrecords.h b/apt-pkg/indexrecords.h
index d003ec0fa..e31f889ad 100644
--- a/apt-pkg/indexrecords.h
+++ b/apt-pkg/indexrecords.h
@@ -5,17 +5,19 @@
 #ifndef PKGLIB_INDEXRECORDS_H
 #define PKGLIB_INDEXRECORDS_H
 
-
-#include <apt-pkg/pkgcache.h>
 #include <apt-pkg/hashes.h>
 
 #include <map>
 #include <vector>
 #include <ctime>
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/fileutl.h>
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/pkgcache.h>
+#endif
 
 class indexRecords
 {
diff --git a/apt-pkg/init.cc b/apt-pkg/init.cc
index 5d21b3847..241628632 100644
--- a/apt-pkg/init.cc
+++ b/apt-pkg/init.cc
@@ -15,9 +15,11 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/macros.h>
 
+#include <string.h>
+#include <string>
 #include <cstdlib>
-#include <sys/stat.h>
 
 #include <apti18n.h>
 									/*}}}*/
diff --git a/apt-pkg/init.h b/apt-pkg/init.h
index b6f3df753..d062392e3 100644
--- a/apt-pkg/init.h
+++ b/apt-pkg/init.h
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: init.h,v 1.9.2.2 2004/01/02 18:51:00 mdz Exp $
 /* ######################################################################
 
    Init - Initialize the package library
@@ -17,19 +16,13 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/pkgsystem.h>
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/macros.h>
+#endif
 
 class pkgSystem;
 class Configuration;
 
-// These lines are extracted by the makefiles and the buildsystem
-// Increasing MAJOR or MINOR results in the need of recompiling all
-// reverse-dependencies of libapt-pkg against the new SONAME.
-// Non-ABI-Breaks should only increase RELEASE number.
-// See also buildlib/libversion.mak
-#define APT_PKG_MAJOR 4
-#define APT_PKG_MINOR 12
-#define APT_PKG_RELEASE 0
-    
 extern const char *pkgVersion;
 extern const char *pkgLibVersion;
 
diff --git a/apt-pkg/install-progress.cc b/apt-pkg/install-progress.cc
index a3a4cc0e1..8bb587f67 100644
--- a/apt-pkg/install-progress.cc
+++ b/apt-pkg/install-progress.cc
@@ -1,17 +1,23 @@
+#include <config.h>
+
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/install-progress.h>
 
-#include <apti18n.h>
-
-#include <termios.h>
+#include <signal.h>
+#include <unistd.h>
+#include <iostream>
+#include <string>
+#include <vector>
 #include <sys/ioctl.h>
 #include <sstream>
 #include <fcntl.h>
 #include <algorithm>
 #include <stdio.h>
 
+#include <apti18n.h>
+
 namespace APT {
 namespace Progress {
 
@@ -41,10 +47,10 @@ PackageManager* PackageManagerProgressFactory()
    return progress;
 }
 
-bool PackageManager::StatusChanged(std::string PackageName, 
+bool PackageManager::StatusChanged(std::string /*PackageName*/,
                                    unsigned int StepsDone,
                                    unsigned int TotalSteps,
-                                   std::string HumanReadableAction)
+                                   std::string /*HumanReadableAction*/)
 {
    int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
    percentage = StepsDone/(float)TotalSteps * 100.0;
@@ -87,7 +93,7 @@ void PackageManagerProgressFd::StartDpkg()
    WriteToStatusFd(status.str());
 }
 
-void PackageManagerProgressFd::Stop()
+APT_CONST void PackageManagerProgressFd::Stop()
 {
 }
 
@@ -170,7 +176,7 @@ void PackageManagerProgressDeb822Fd::StartDpkg()
    WriteToStatusFd(status.str());
 }
 
-void PackageManagerProgressDeb822Fd::Stop()
+APT_CONST void PackageManagerProgressDeb822Fd::Stop()
 {
 }
 
@@ -246,17 +252,22 @@ void PackageManagerFancy::staticSIGWINCH(int signum)
       (*I)->HandleSIGWINCH(signum);
 }
 
-int PackageManagerFancy::GetNumberTerminalRows()
+PackageManagerFancy::TermSize
+PackageManagerFancy::GetTerminalSize()
 {
    struct winsize win;
+   PackageManagerFancy::TermSize s;
+
    // FIXME: get from "child_pty" instead?
    if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) != 0)
-      return -1;
+      return s;
 
    if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
-      std::cerr << "GetNumberTerminalRows: " << win.ws_row << std::endl;
-   
-   return win.ws_row;
+      std::cerr << "GetTerminalSize: " << win.ws_row << std::endl;
+
+   s.rows = win.ws_row;
+   s.columns = win.ws_col;
+   return s;
 }
 
 void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
@@ -292,21 +303,21 @@ void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
 
 void PackageManagerFancy::HandleSIGWINCH(int)
 {
-   int nr_terminal_rows = GetNumberTerminalRows();
+   int nr_terminal_rows = GetTerminalSize().rows;
    SetupTerminalScrollArea(nr_terminal_rows);
 }
 
 void PackageManagerFancy::Start(int a_child_pty)
 {
    child_pty = a_child_pty;
-   int nr_terminal_rows = GetNumberTerminalRows();
+   int nr_terminal_rows = GetTerminalSize().rows;
    if (nr_terminal_rows > 0)
       SetupTerminalScrollArea(nr_terminal_rows);
 }
 
 void PackageManagerFancy::Stop()
 {
-   int nr_terminal_rows = GetNumberTerminalRows();
+   int nr_terminal_rows = GetTerminalSize().rows;
    if (nr_terminal_rows > 0)
    {
       SetupTerminalScrollArea(nr_terminal_rows + 1);
@@ -318,6 +329,26 @@ void PackageManagerFancy::Stop()
    child_pty = -1;
 }
 
+std::string 
+PackageManagerFancy::GetTextProgressStr(float Percent, int OutputSize)
+{
+   std::string output;
+   int i;
+   
+   // should we raise a exception here instead?
+   if (Percent < 0.0 || Percent > 1.0 || OutputSize < 3)
+      return output;
+   
+   int BarSize = OutputSize - 2; // bar without the leading "[" and trailing "]"
+   output += "[";
+   for(i=0; i < BarSize*Percent; i++)
+      output += "#";
+   for (/*nothing*/; i < BarSize; i++)
+      output += ".";
+   output += "]";
+   return output;
+}
+
 bool PackageManagerFancy::StatusChanged(std::string PackageName, 
                                         unsigned int StepsDone,
                                         unsigned int TotalSteps,
@@ -327,27 +358,47 @@ bool PackageManagerFancy::StatusChanged(std::string PackageName,
           HumanReadableAction))
       return false;
 
-   int row = GetNumberTerminalRows();
+   PackageManagerFancy::TermSize size = GetTerminalSize();
+
+   static std::string save_cursor = "\033[s";
+   static std::string restore_cursor = "\033[u";
+
+   // green
+   static std::string set_bg_color = DeQuoteString(
+      _config->Find("Dpkg::Progress-Fancy::Progress-fg", "%1b[42m"));
+   // black
+   static std::string set_fg_color = DeQuoteString(
+      _config->Find("Dpkg::Progress-Fancy::Progress-bg", "%1b[30m"));
+
+   static std::string restore_bg =  "\033[49m";
+   static std::string restore_fg = "\033[39m";
 
-   static string save_cursor = "\033[s";
-   static string restore_cursor = "\033[u";
-   
-   static string set_bg_color = "\033[42m"; // green
-   static string set_fg_color = "\033[30m"; // black
-   
-   static string restore_bg =  "\033[49m";
-   static string restore_fg = "\033[39m";
-   
    std::cout << save_cursor
       // move cursor position to last row
-             << "\033[" << row << ";0f" 
+             << "\033[" << size.rows << ";0f" 
              << set_bg_color
              << set_fg_color
              << progress_str
-             << restore_cursor
              << restore_bg
              << restore_fg;
    std::flush(std::cout);
+
+   // draw text progress bar
+   if (_config->FindB("Dpkg::Progress-Fancy::Progress-Bar", true))
+   {
+      int padding = 4;
+      float progressbar_size = size.columns - padding - progress_str.size();
+      float current_percent = (float)StepsDone/(float)TotalSteps;
+      std::cout << " " 
+                << GetTextProgressStr(current_percent, progressbar_size)
+                << " ";
+      std::flush(std::cout);
+   }
+
+   // restore
+   std::cout << restore_cursor;
+   std::flush(std::cout);
+
    last_reported_progress = percentage;
 
    return true;
@@ -371,5 +422,5 @@ bool PackageManagerText::StatusChanged(std::string PackageName,
 
 
 
-}; // namespace progress
-}; // namespace apt
+} // namespace progress
+} // namespace apt
diff --git a/apt-pkg/install-progress.h b/apt-pkg/install-progress.h
index 8a5b68a8f..112b034fb 100644
--- a/apt-pkg/install-progress.h
+++ b/apt-pkg/install-progress.h
@@ -24,16 +24,16 @@ namespace Progress {
     int last_reported_progress;
 
  public:
-    PackageManager() 
+    PackageManager()
        : percentage(0.0), last_reported_progress(-1) {};
     virtual ~PackageManager() {};
 
     /* Global Start/Stop */
-    virtual void Start(int child_pty=-1) {};
+    virtual void Start(int /*child_pty*/=-1) {};
     virtual void Stop() {};
 
-    /* When dpkg is invoked (may happen multiple times for each 
-     * install/remove block 
+    /* When dpkg is invoked (may happen multiple times for each
+     * install/remove block
     */
     virtual void StartDpkg() {};
 
@@ -44,18 +44,18 @@ namespace Progress {
          return 500000;
     };
 
-    virtual bool StatusChanged(std::string PackageName, 
+    virtual bool StatusChanged(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
-                               std::string HumanReadableAction) ;
-    virtual void Error(std::string PackageName,                                
-                       unsigned int StepsDone,
-                       unsigned int TotalSteps,
-                       std::string ErrorMessage) {};
-    virtual void ConffilePrompt(std::string PackageName,
-                                unsigned int StepsDone,
-                                unsigned int TotalSteps,
-                                std::string ConfMessage) {};
+                               std::string HumanReadableAction);
+    virtual void Error(std::string /*PackageName*/,
+                       unsigned int /*StepsDone*/,
+                       unsigned int /*TotalSteps*/,
+                       std::string /*ErrorMessage*/) {}
+    virtual void ConffilePrompt(std::string /*PackageName*/,
+                                unsigned int /*StepsDone*/,
+                                unsigned int /*TotalSteps*/,
+                                std::string /*ConfMessage*/) {}
  };
 
  class PackageManagerProgressFd : public PackageManager
@@ -72,11 +72,11 @@ namespace Progress {
     virtual void StartDpkg();
     virtual void Stop();
 
-    virtual bool StatusChanged(std::string PackageName, 
+    virtual bool StatusChanged(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
                                std::string HumanReadableAction);
-    virtual void Error(std::string PackageName,                                
+    virtual void Error(std::string PackageName,
                        unsigned int StepsDone,
                        unsigned int TotalSteps,
                           std::string ErrorMessage);
@@ -101,11 +101,11 @@ namespace Progress {
     virtual void StartDpkg();
     virtual void Stop();
 
-    virtual bool StatusChanged(std::string PackageName, 
+    virtual bool StatusChanged(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
                                std::string HumanReadableAction);
-    virtual void Error(std::string PackageName,                                
+    virtual void Error(std::string PackageName,
                        unsigned int StepsDone,
                        unsigned int TotalSteps,
                           std::string ErrorMessage);
@@ -125,7 +125,12 @@ namespace Progress {
     void SetupTerminalScrollArea(int nr_rows);
     void HandleSIGWINCH(int);
 
-    int GetNumberTerminalRows();
+    typedef struct {
+       int rows;
+       int columns;
+    } TermSize;
+    TermSize GetTerminalSize();
+
     sighandler_t old_SIGWINCH;
     int child_pty;
 
@@ -134,23 +139,27 @@ namespace Progress {
     ~PackageManagerFancy();
     virtual void Start(int child_pty=-1);
     virtual void Stop();
-    virtual bool StatusChanged(std::string PackageName, 
+    virtual bool StatusChanged(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
                                std::string HumanReadableAction);
+
+    // return a progress bar of the given size for the given progress 
+    // percent between 0.0 and 1.0 in the form "[####...]"
+    static std::string GetTextProgressStr(float percent, int OutputSize);
  };
 
  class PackageManagerText : public PackageManager
  {
  public:
-    virtual bool StatusChanged(std::string PackageName, 
+    virtual bool StatusChanged(std::string PackageName,
                                unsigned int StepsDone,
                                unsigned int TotalSteps,
                                std::string HumanReadableAction);
  };
 
 
-}; // namespace Progress
-}; // namespace APT
+} // namespace Progress
+} // namespace APT
 
 #endif
diff --git a/apt-pkg/makefile b/apt-pkg/makefile
index a90131f80..1d456873b 100644
--- a/apt-pkg/makefile
+++ b/apt-pkg/makefile
@@ -21,6 +21,9 @@ endif
 ifeq ($(HAVE_BZ2),yes)
 SLIBS+= -lbz2
 endif
+ifeq ($(HAVE_LZMA),yes)
+SLIBS+= -llzma
+endif
 APT_DOMAIN:=libapt-pkg$(LIBAPTPKG_MAJOR)
 
 # Source code for the contributed non-core things
diff --git a/apt-pkg/metaindex.h b/apt-pkg/metaindex.h
index 18a90a29d..ffabaadbf 100644
--- a/apt-pkg/metaindex.h
+++ b/apt-pkg/metaindex.h
@@ -1,12 +1,19 @@
 #ifndef PKGLIB_METAINDEX_H
 #define PKGLIB_METAINDEX_H
 
-
-#include <string>
-#include <apt-pkg/pkgcache.h>
 #include <apt-pkg/indexfile.h>
 #include <apt-pkg/init.h>
 
+#include <stddef.h>
+
+#include <string>
+#include <vector>
+
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/pkgcache.h>
+class pkgCacheGenerator;
+class OpProgress;
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/pkgrecords.h>
@@ -15,8 +22,6 @@ using std::string;
 #endif
 
 class pkgAcquire;
-class pkgCacheGenerator;
-class OpProgress;
 
 class metaIndex
 {
diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc
index 21b5fc4e7..a1fcbcc98 100644
--- a/apt-pkg/orderlist.cc
+++ b/apt-pkg/orderlist.cc
@@ -68,10 +68,14 @@
 #include <apt-pkg/orderlist.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/version.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
 
+#include <stdlib.h>
+#include <string.h>
+#include <string>
 #include <iostream>
 									/*}}}*/
 
diff --git a/apt-pkg/orderlist.h b/apt-pkg/orderlist.h
index a2d7b321b..b8bad81b3 100644
--- a/apt-pkg/orderlist.h
+++ b/apt-pkg/orderlist.h
@@ -16,10 +16,12 @@
 #ifndef PKGLIB_ORDERLIST_H
 #define PKGLIB_ORDERLIST_H
 
-
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/macros.h>
 
+#include <string>
+
 class pkgDepCache;
 class pkgOrderList : protected pkgCache::Namespace
 {
@@ -46,7 +48,7 @@ class pkgOrderList : protected pkgCache::Namespace
    bool Debug;
    
    // Main visit function
-   __deprecated bool VisitNode(PkgIterator Pkg) { return VisitNode(Pkg, "UNKNOWN"); };
+   APT_DEPRECATED bool VisitNode(PkgIterator Pkg) { return VisitNode(Pkg, "UNKNOWN"); };
    bool VisitNode(PkgIterator Pkg, char const* from);
    bool VisitDeps(DepFunc F,PkgIterator Pkg);
    bool VisitRDeps(DepFunc F,PkgIterator Pkg);
@@ -68,9 +70,9 @@ class pkgOrderList : protected pkgCache::Namespace
    
    // For pre sorting
    static pkgOrderList *Me;
-   static int OrderCompareA(const void *a, const void *b);
-   static int OrderCompareB(const void *a, const void *b);
-   int FileCmp(PkgIterator A,PkgIterator B);
+   static int OrderCompareA(const void *a, const void *b) APT_PURE;
+   static int OrderCompareB(const void *a, const void *b) APT_PURE;
+   int FileCmp(PkgIterator A,PkgIterator B) APT_PURE;
    
    public:
 
@@ -100,7 +102,7 @@ class pkgOrderList : protected pkgCache::Namespace
    inline void RmFlag(Package *Pkg,unsigned long F) {Flags[Pkg->ID] &= ~F;};
    // IsNow will return true if the Pkg has been not been either configured or unpacked
    inline bool IsNow(PkgIterator Pkg) {return (Flags[Pkg->ID] & (States & (~Removed))) == 0;};
-   bool IsMissing(PkgIterator Pkg);
+   bool IsMissing(PkgIterator Pkg) APT_PURE;
    void WipeFlags(unsigned long F);
    void SetFileList(std::string *FileList) {this->FileList = FileList;};
 
diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index def35cd5f..5d6bc6bd2 100644
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -13,7 +13,7 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#include<config.h>
+#include <config.h>
 
 #include <apt-pkg/packagemanager.h>
 #include <apt-pkg/orderlist.h>
@@ -24,7 +24,14 @@
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/sptr.h>
-
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/strutl.h>
+
+#include <stddef.h>
+#include <list>
+#include <string>
 #include <iostream>
 
 #include <apti18n.h>
diff --git a/apt-pkg/packagemanager.h b/apt-pkg/packagemanager.h
index 853b9bac8..344ed9192 100644
--- a/apt-pkg/packagemanager.h
+++ b/apt-pkg/packagemanager.h
@@ -23,15 +23,17 @@
 #ifndef PKGLIB_PACKAGEMANAGER_H
 #define PKGLIB_PACKAGEMANAGER_H
 
-#include <apt-pkg/macros.h>
 #include <apt-pkg/pkgcache.h>
-#include <apt-pkg/install-progress.h>
 #include <apt-pkg/init.h>
+#include <apt-pkg/macros.h>
 
 #include <string>
-#include <iostream>
 #include <set>
 
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/install-progress.h>
+#include <iostream>
+#endif
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/depcache.h>
 using std::string;
@@ -73,7 +75,7 @@ class pkgPackageManager : protected pkgCache::Namespace
    bool CreateOrderList();
    
    // Analysis helpers
-   bool DepAlwaysTrue(DepIterator D);
+   bool DepAlwaysTrue(DepIterator D) APT_PURE;
    
    // Install helpers
    bool ConfigureAll();
@@ -89,9 +91,9 @@ class pkgPackageManager : protected pkgCache::Namespace
    virtual bool Configure(PkgIterator /*Pkg*/) {return false;};
    virtual bool Remove(PkgIterator /*Pkg*/,bool /*Purge*/=false) {return false;};
 #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
-   virtual bool Go(APT::Progress::PackageManager *progress) {return true;};
+   virtual bool Go(APT::Progress::PackageManager * /*progress*/) {return true;};
 #else
-   virtual bool Go(int statusFd=-1) {return true;};
+   virtual bool Go(int /*statusFd*/=-1) {return true;};
 #endif
 
    virtual void Reset() {};
@@ -109,7 +111,7 @@ class pkgPackageManager : protected pkgCache::Namespace
 #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
    OrderResult DoInstall(APT::Progress::PackageManager *progress);
    // compat
-   __deprecated OrderResult DoInstall(int statusFd=-1);
+   APT_DEPRECATED OrderResult DoInstall(int statusFd=-1);
 #else
    OrderResult DoInstall(int statusFd=-1);
 #endif
@@ -124,7 +126,7 @@ class pkgPackageManager : protected pkgCache::Namespace
    // stuff that needs to be done after the fork
    OrderResult DoInstallPostFork(APT::Progress::PackageManager *progress);
    // compat
-   __deprecated OrderResult DoInstallPostFork(int statusFd=-1);
+   APT_DEPRECATED OrderResult DoInstallPostFork(int statusFd=-1);
 #else
    OrderResult DoInstallPostFork(int statusFd=-1);
 #endif
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 67a2a709d..91b75f52e 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -29,12 +29,15 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/mmap.h>
 #include <apt-pkg/macros.h>
 
+#include <stddef.h>
+#include <string.h>
+#include <ostream>
+#include <vector>
 #include <string>
 #include <sys/stat.h>
-#include <unistd.h>
-#include <ctype.h>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -52,7 +55,11 @@ pkgCache::Header::Header()
    /* Whenever the structures change the major version should be bumped,
       whenever the generator changes the minor version should be bumped. */
    MajorVersion = 8;
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+   MinorVersion = 2;
+#else
    MinorVersion = 1;
+#endif
    Dirty = false;
    
    HeaderSz = sizeof(pkgCache::Header);
@@ -414,7 +421,7 @@ pkgCache::PkgIterator pkgCache::GrpIterator::NextPkg(pkgCache::PkgIterator const
 // GrpIterator::operator ++ - Postfix incr				/*{{{*/
 // ---------------------------------------------------------------------
 /* This will advance to the next logical group in the hash table. */
-void pkgCache::GrpIterator::operator ++(int) 
+void pkgCache::GrpIterator::operator ++(int)
 {
    // Follow the current links
    if (S != Owner->GrpP)
@@ -426,12 +433,12 @@ void pkgCache::GrpIterator::operator ++(int)
       HashIndex++;
       S = Owner->GrpP + Owner->HeaderP->GrpHashTable[HashIndex];
    }
-};
+}
 									/*}}}*/
 // PkgIterator::operator ++ - Postfix incr				/*{{{*/
 // ---------------------------------------------------------------------
 /* This will advance to the next logical package in the hash table. */
-void pkgCache::PkgIterator::operator ++(int) 
+void pkgCache::PkgIterator::operator ++(int)
 {
    // Follow the current links
    if (S != Owner->PkgP)
@@ -443,7 +450,7 @@ void pkgCache::PkgIterator::operator ++(int)
       HashIndex++;
       S = Owner->PkgP + Owner->HeaderP->PkgHashTable[HashIndex];
    }
-};
+}
 									/*}}}*/
 // PkgIterator::State - Check the State of the package			/*{{{*/
 // ---------------------------------------------------------------------
@@ -475,26 +482,26 @@ pkgCache::PkgIterator::OkState pkgCache::PkgIterator::State() const
 // ---------------------------------------------------------------------
 /* Return string representing of the candidate version. */
 const char *
-pkgCache::PkgIterator::CandVersion() const 
+pkgCache::PkgIterator::CandVersion() const
 {
   //TargetVer is empty, so don't use it.
   VerIterator version = pkgPolicy(Owner).GetCandidateVer(*this);
   if (version.IsGood())
     return version.VerStr();
   return 0;
-};
+}
 									/*}}}*/
 // PkgIterator::CurVersion - Returns the current version string		/*{{{*/
 // ---------------------------------------------------------------------
 /* Return string representing of the current version. */
 const char *
-pkgCache::PkgIterator::CurVersion() const 
+pkgCache::PkgIterator::CurVersion() const
 {
   VerIterator version = CurrentVer();
   if (version.IsGood())
     return CurrentVer().VerStr();
   return 0;
-};
+}
 									/*}}}*/
 // ostream operator to handle string representation of a package	/*{{{*/
 // ---------------------------------------------------------------------
@@ -695,7 +702,7 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End)
 // ---------------------------------------------------------------------
 /* Deps like self-conflicts should be ignored as well as implicit conflicts
    on virtual packages. */
-bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &Pkg) const
+bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &/*Pkg*/) const
 {
    if (IsNegative() == false)
       return false;
@@ -978,7 +985,7 @@ string pkgCache::PkgFileIterator::RelStr()
 									/*}}}*/
 // VerIterator::TranslatedDescription - Return the a DescIter for locale/*{{{*/
 // ---------------------------------------------------------------------
-/* return a DescIter for the current locale or the default if none is 
+/* return a DescIter for the current locale or the default if none is
  * found
  */
 pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const
@@ -1012,7 +1019,7 @@ pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const
       if (strcmp(Desc.LanguageCode(), "") == 0)
 	 return Desc;
    return DescriptionList();
-};
+}
 
 									/*}}}*/
 // PrvIterator::IsMultiArchImplicit - added by the cache generation	/*{{{*/
diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h
index c31c5f30b..5e8a9630a 100644
--- a/apt-pkg/pkgcache.h
+++ b/apt-pkg/pkgcache.h
@@ -74,9 +74,11 @@
 #ifndef PKGLIB_PKGCACHE_H
 #define PKGLIB_PKGCACHE_H
 
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/macros.h>
+
 #include <string>
 #include <time.h>
-#include <apt-pkg/mmap.h>
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
@@ -156,8 +158,8 @@ class pkgCache								/*{{{*/
    std::string CacheFile;
    MMap &Map;
 
-   unsigned long sHash(const std::string &S) const;
-   unsigned long sHash(const char *S) const;
+   unsigned long sHash(const std::string &S) const APT_PURE;
+   unsigned long sHash(const char *S) const APT_PURE;
    
    public:
    
@@ -176,13 +178,13 @@ class pkgCache								/*{{{*/
    char *StrP;
 
    virtual bool ReMap(bool const &Errorchecks = true);
-   inline bool Sync() {return Map.Sync();};
-   inline MMap &GetMap() {return Map;};
-   inline void *DataEnd() {return ((unsigned char *)Map.Data()) + Map.Size();};
+   inline bool Sync() {return Map.Sync();}
+   inline MMap &GetMap() {return Map;}
+   inline void *DataEnd() {return ((unsigned char *)Map.Data()) + Map.Size();}
       
    // String hashing function (512 range)
-   inline unsigned long Hash(const std::string &S) const {return sHash(S);};
-   inline unsigned long Hash(const char *S) const {return sHash(S);};
+   inline unsigned long Hash(const std::string &S) const {return sHash(S);}
+   inline unsigned long Hash(const char *S) const {return sHash(S);}
 
    // Useful transformation things
    const char *Priority(unsigned char Priority);
@@ -192,7 +194,7 @@ class pkgCache								/*{{{*/
    PkgIterator FindPkg(const std::string &Name);
    PkgIterator FindPkg(const std::string &Name, const std::string &Arch);
 
-   Header &Head() {return *HeaderP;};
+   Header &Head() {return *HeaderP;}
    inline GrpIterator GrpBegin();
    inline GrpIterator GrpEnd();
    inline PkgIterator PkgBegin();
@@ -200,19 +202,19 @@ class pkgCache								/*{{{*/
    inline PkgFileIterator FileBegin();
    inline PkgFileIterator FileEnd();
 
-   inline bool MultiArchCache() const { return MultiArchEnabled; };
-   inline char const * const NativeArch() const;
+   inline bool MultiArchCache() const { return MultiArchEnabled; }
+   inline char const * NativeArch();
 
    // Make me a function
    pkgVersioningSystem *VS;
    
    // Converters
-   static const char *CompTypeDeb(unsigned char Comp);
-   static const char *CompType(unsigned char Comp);
+   static const char *CompTypeDeb(unsigned char Comp) APT_CONST;
+   static const char *CompType(unsigned char Comp) APT_CONST;
    static const char *DepType(unsigned char Dep);
    
    pkgCache(MMap *Map,bool DoMap = true);
-   virtual ~pkgCache() {};
+   virtual ~pkgCache() {}
 
 private:
    bool MultiArchEnabled;
@@ -318,7 +320,7 @@ struct pkgCache::Header
    /** \brief Size of the complete cache file */
    unsigned long  CacheFileSize;
 
-   bool CheckSizes(Header &Against) const;
+   bool CheckSizes(Header &Against) const APT_PURE;
    Header();
 };
 									/*}}}*/
@@ -451,7 +453,7 @@ struct pkgCache::PackageFile
    /** \brief Modification time for the file */
    time_t mtime;
 
-   /* @TODO document PackageFile::Flags */
+   /** @TODO document PackageFile::Flags */
    unsigned long Flags;
 
    // Linked list
@@ -474,7 +476,7 @@ struct pkgCache::VerFile
    map_ptrloc NextFile;       // PkgVerFile
    /** \brief position in the package file */
    map_ptrloc Offset;         // File offset
-   /* @TODO document pkgCache::VerFile::Size */
+   /** @TODO document pkgCache::VerFile::Size */
    unsigned long Size;
 };
 									/*}}}*/
@@ -488,7 +490,7 @@ struct pkgCache::DescFile
    map_ptrloc NextFile;       // PkgVerFile
    /** \brief position in the file */
    map_ptrloc Offset;         // File offset
-   /* @TODO document pkgCache::DescFile::Size */
+   /** @TODO document pkgCache::DescFile::Size */
    unsigned long Size;
 };
 									/*}}}*/
@@ -571,7 +573,7 @@ struct pkgCache::Description
        and to check that the Translation is up-to-date. */
    map_ptrloc md5sum;            // StringItem
 
-   /* @TODO document pkgCache::Description::FileList */
+   /** @TODO document pkgCache::Description::FileList */
    map_ptrloc FileList;          // DescFile
    /** \brief next translation for this description */
    map_ptrloc NextDesc;          // Description
@@ -661,27 +663,27 @@ struct pkgCache::StringItem
 									/*}}}*/
 
 
-inline char const * const pkgCache::NativeArch() const
-	{ return StrP + HeaderP->Architecture; };
+inline char const * pkgCache::NativeArch()
+	{ return StrP + HeaderP->Architecture; }
 
 #include <apt-pkg/cacheiterators.h>
 
-inline pkgCache::GrpIterator pkgCache::GrpBegin() 
-       {return GrpIterator(*this);};
-inline pkgCache::GrpIterator pkgCache::GrpEnd() 
-       {return GrpIterator(*this,GrpP);};
-inline pkgCache::PkgIterator pkgCache::PkgBegin() 
-       {return PkgIterator(*this);};
-inline pkgCache::PkgIterator pkgCache::PkgEnd() 
-       {return PkgIterator(*this,PkgP);};
+inline pkgCache::GrpIterator pkgCache::GrpBegin()
+       {return GrpIterator(*this);}
+inline pkgCache::GrpIterator pkgCache::GrpEnd()
+       {return GrpIterator(*this,GrpP);}
+inline pkgCache::PkgIterator pkgCache::PkgBegin()
+       {return PkgIterator(*this);}
+inline pkgCache::PkgIterator pkgCache::PkgEnd()
+       {return PkgIterator(*this,PkgP);}
 inline pkgCache::PkgFileIterator pkgCache::FileBegin()
-       {return PkgFileIterator(*this,PkgFileP + HeaderP->FileList);};
+       {return PkgFileIterator(*this,PkgFileP + HeaderP->FileList);}
 inline pkgCache::PkgFileIterator pkgCache::FileEnd()
-       {return PkgFileIterator(*this,PkgFileP);};
+       {return PkgFileIterator(*this,PkgFileP);}
 
 // Oh I wish for Real Name Space Support
 class pkgCache::Namespace						/*{{{*/
-{   
+{
    public:
    typedef pkgCache::GrpIterator GrpIterator;
    typedef pkgCache::PkgIterator PkgIterator;
@@ -690,7 +692,7 @@ class pkgCache::Namespace						/*{{{*/
    typedef pkgCache::DepIterator DepIterator;
    typedef pkgCache::PrvIterator PrvIterator;
    typedef pkgCache::PkgFileIterator PkgFileIterator;
-   typedef pkgCache::VerFileIterator VerFileIterator;   
+   typedef pkgCache::VerFileIterator VerFileIterator;
    typedef pkgCache::Version Version;
    typedef pkgCache::Description Description;
    typedef pkgCache::Package Package;
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index 7ce7aba7b..810f0b022 100644
--- a/apt-pkg/pkgcachegen.cc
+++ b/apt-pkg/pkgcachegen.cc
@@ -18,20 +18,26 @@
 #include <apt-pkg/progress.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/macros.h>
-#include <apt-pkg/tagfile.h>
 #include <apt-pkg/metaindex.h>
 #include <apt-pkg/fileutl.h>
-
+#include <apt-pkg/hashsum_template.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <stddef.h>
+#include <string.h>
+#include <iostream>
+#include <string>
 #include <vector>
 #include <sys/stat.h>
 #include <unistd.h>
-#include <errno.h>
-#include <stdio.h>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -118,11 +124,11 @@ void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newM
 
    Cache.ReMap(false);
 
-   CurrentFile += (pkgCache::PackageFile*) newMap - (pkgCache::PackageFile*) oldMap;
+   CurrentFile += (pkgCache::PackageFile const * const) newMap - (pkgCache::PackageFile const * const) oldMap;
 
    for (size_t i = 0; i < _count(UniqHash); ++i)
       if (UniqHash[i] != 0)
-	 UniqHash[i] += (pkgCache::StringItem*) newMap - (pkgCache::StringItem*) oldMap;
+	 UniqHash[i] += (pkgCache::StringItem const * const) newMap - (pkgCache::StringItem const * const) oldMap;
 
    for (std::vector<pkgCache::GrpIterator*>::const_iterator i = Dynamic<pkgCache::GrpIterator>::toReMap.begin();
 	i != Dynamic<pkgCache::GrpIterator>::toReMap.end(); ++i)
@@ -350,7 +356,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator
    map_ptrloc *LastVer = &Pkg->VersionList;
    void const * oldMap = Map.Data();
 
-   unsigned long const Hash = List.VersionHash();
+   unsigned short const Hash = List.VersionHash();
    if (Ver.end() == false)
    {
       /* We know the list is sorted so we use that fact in the search.
@@ -363,7 +369,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator
 	 if (Res > 0)
 	    break;
 	 // Versionstrings are equal - is hash also equal?
-	 if (Res == 0 && Ver->Hash == Hash)
+	 if (Res == 0 && List.SameVersion(Hash, Ver) == true)
 	    break;
 	 // proceed with the next till we have either the right
 	 // or we found another version (which will be lower)
@@ -398,7 +404,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator
 			   Pkg.Name(), "NewVersion", 1);
 
    if (oldMap != Map.Data())
-	 LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+	 LastVer += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
    *LastVer = verindex;
 
    if (unlikely(List.NewVersion(Ver) == false))
@@ -552,12 +558,12 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List)
       if (Counter % 100 == 0 && Progress != 0)
 	 Progress->Progress(List.Offset());
 
-      unsigned long Hash = List.VersionHash();
+      unsigned short Hash = List.VersionHash();
       pkgCache::VerIterator Ver = Pkg.VersionList();
       Dynamic<pkgCache::VerIterator> DynVer(Ver);
       for (; Ver.end() == false; ++Ver)
       {
-	 if (Ver->Hash == Hash && Version == Ver.VerStr())
+	 if (List.SameVersion(Hash, Ver) == true && Version == Ver.VerStr())
 	 {
 	    if (List.CollectFileProvides(Cache,Ver) == false)
 	       return _error->Error(_("Error occurred while processing %s (%s%d)"),
@@ -909,7 +915,7 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg,
 	 if (unlikely(index == 0))
 	    return false;
 	 if (OldDepLast != 0 && oldMap != Map.Data())
-	    OldDepLast += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+	    OldDepLast += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
       }
    }
    return NewDepends(Pkg, Ver, index, Op, Type, OldDepLast);
@@ -948,7 +954,7 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg,
       for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D)
 	 OldDepLast = &D->NextDepends;
    } else if (oldMap != Map.Data())
-      OldDepLast += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+      OldDepLast += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
 
    Dep->NextDepends = *OldDepLast;
    *OldDepLast = Dep.Index();
@@ -1045,6 +1051,12 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver,
    return true;
 }
 									/*}}}*/
+bool pkgCacheGenerator::ListParser::SameVersion(unsigned short const Hash,/*{{{*/
+      pkgCache::VerIterator const &Ver)
+{
+   return Hash == Ver->Hash;
+}
+									/*}}}*/
 // CacheGenerator::SelectFile - Select the current file being parsed	/*{{{*/
 // ---------------------------------------------------------------------
 /* This is used to select which file is to be associated with all newly
@@ -1125,8 +1137,8 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S,
    if (unlikely(idxString == 0))
       return 0;
    if (oldMap != Map.Data()) {
-      Last += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
-      I += (pkgCache::StringItem*) Map.Data() - (pkgCache::StringItem*) oldMap;
+      Last += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
+      I += (pkgCache::StringItem const * const) Map.Data() - (pkgCache::StringItem const * const) oldMap;
    }
    *Last = Item;
 
@@ -1249,10 +1261,10 @@ static bool CheckValidity(const string &CacheFile,
 static unsigned long ComputeSize(FileIterator Start,FileIterator End)
 {
    unsigned long TotalSize = 0;
-   for (; Start != End; ++Start)
+   for (; Start < End; ++Start)
    {
       if ((*Start)->HasPackages() == false)
-	 continue;      
+	 continue;
       TotalSize += (*Start)->Size();
    }
    return TotalSize;
@@ -1333,7 +1345,7 @@ DynamicMMap* pkgCacheGenerator::CreateDynamicMMap(FileFd *CacheF, unsigned long
    the cache will be stored there. This is pretty much mandetory if you
    are using AllowMem. AllowMem lets the function be run as non-root
    where it builds the cache 'fast' into a memory buffer. */
-__deprecated bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
+APT_DEPRECATED bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
 			MMap **OutMap, bool AllowMem)
    { return pkgCacheGenerator::MakeStatusCache(List, &Progress, OutMap, AllowMem); }
 bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress,
@@ -1534,7 +1546,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
 // CacheGenerator::MakeOnlyStatusCache - Build only a status files cache/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-__deprecated bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
+APT_DEPRECATED bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
    { return pkgCacheGenerator::MakeOnlyStatusCache(&Progress, OutMap); }
 bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap)
 {
@@ -1580,7 +1592,7 @@ static bool IsDuplicateDescription(pkgCache::DescIterator Desc,
 }
 									/*}}}*/
 // CacheGenerator::FinishCache						/*{{{*/
-bool pkgCacheGenerator::FinishCache(OpProgress *Progress)
+bool pkgCacheGenerator::FinishCache(OpProgress * /*Progress*/)
 {
    return true;
 }
diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h
index 428e8459b..1e1a71026 100644
--- a/apt-pkg/pkgcachegen.h
+++ b/apt-pkg/pkgcachegen.h
@@ -19,16 +19,18 @@
 #ifndef PKGLIB_PKGCACHEGEN_H
 #define PKGLIB_PKGCACHEGEN_H
 
-
-#include <apt-pkg/pkgcache.h>
 #include <apt-pkg/md5.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/macros.h>
 
 #include <vector>
+#include <string>
 
+class FileFd;
 class pkgSourceList;
 class OpProgress;
-class MMap;
 class pkgIndexFile;
 
 class pkgCacheGenerator							/*{{{*/
@@ -36,10 +38,10 @@ class pkgCacheGenerator							/*{{{*/
    private:
 
    pkgCache::StringItem *UniqHash[26];
-   map_ptrloc WriteStringInMap(std::string const &String) { return WriteStringInMap(String.c_str()); };
-   map_ptrloc WriteStringInMap(const char *String);
-   map_ptrloc WriteStringInMap(const char *String, const unsigned long &Len);
-   map_ptrloc AllocateInMap(const unsigned long &size);
+   APT_HIDDEN map_ptrloc WriteStringInMap(std::string const &String) { return WriteStringInMap(String.c_str()); };
+   APT_HIDDEN map_ptrloc WriteStringInMap(const char *String);
+   APT_HIDDEN map_ptrloc WriteStringInMap(const char *String, const unsigned long &Len);
+   APT_HIDDEN map_ptrloc AllocateInMap(const unsigned long &size);
 
    public:
    
@@ -80,7 +82,7 @@ class pkgCacheGenerator							/*{{{*/
    bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver,
 		   map_ptrloc const Version, unsigned int const &Op,
 		   unsigned int const &Type, map_ptrloc* &OldDepLast);
-   __deprecated unsigned long NewVersion(pkgCache::VerIterator &Ver,const std::string &VerStr,unsigned long Next)
+   unsigned long NewVersion(pkgCache::VerIterator &Ver,const std::string &VerStr,unsigned long Next) APT_DEPRECATED
    { return NewVersion(Ver, VerStr, 0, 0, Next); }
    unsigned long NewVersion(pkgCache::VerIterator &Ver,const std::string &VerStr,
 			    map_ptrloc const ParentPkg, unsigned long const Hash,
@@ -102,7 +104,7 @@ class pkgCacheGenerator							/*{{{*/
 
    bool HasFileDeps() {return FoundFileDeps;};
    bool MergeFileProvides(ListParser &List);
-   __deprecated bool FinishCache(OpProgress *Progress);
+   bool FinishCache(OpProgress *Progress) APT_DEPRECATED APT_CONST;
 
    static bool MakeStatusCache(pkgSourceList &List,OpProgress *Progress,
 			MMap **OutMap = 0,bool AllowMem = false);
@@ -115,14 +117,14 @@ class pkgCacheGenerator							/*{{{*/
    ~pkgCacheGenerator();
 
    private:
-   bool MergeListGroup(ListParser &List, std::string const &GrpName);
-   bool MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg);
-   bool MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg,
+   APT_HIDDEN bool MergeListGroup(ListParser &List, std::string const &GrpName);
+   APT_HIDDEN bool MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg);
+   APT_HIDDEN bool MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg,
 			 std::string const &Version, pkgCache::VerIterator* &OutVer);
 
-   bool AddImplicitDepends(pkgCache::GrpIterator &G, pkgCache::PkgIterator &P,
+   APT_HIDDEN bool AddImplicitDepends(pkgCache::GrpIterator &G, pkgCache::PkgIterator &P,
 			   pkgCache::VerIterator &V);
-   bool AddImplicitDepends(pkgCache::VerIterator &V, pkgCache::PkgIterator &D);
+   APT_HIDDEN bool AddImplicitDepends(pkgCache::VerIterator &V, pkgCache::PkgIterator &D);
 };
 									/*}}}*/
 // This is the abstract package list parser class.			/*{{{*/
@@ -162,6 +164,15 @@ class pkgCacheGenerator::ListParser
    virtual std::string DescriptionLanguage() = 0;
    virtual MD5SumValue Description_md5() = 0;
    virtual unsigned short VersionHash() = 0;
+   /** compare currently parsed version with given version
+    *
+    * \param Hash of the currently parsed version
+    * \param Ver to compare with
+    */
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+   virtual
+#endif
+      APT_PURE bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver);
    virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
 			   pkgCache::VerIterator &Ver) = 0;
    virtual unsigned long Offset() = 0;
@@ -170,8 +181,8 @@ class pkgCacheGenerator::ListParser
    virtual bool Step() = 0;
    
    inline bool HasFileDeps() {return FoundFileDeps;};
-   virtual bool CollectFileProvides(pkgCache &Cache,
-				    pkgCache::VerIterator &Ver) {return true;};
+   virtual bool CollectFileProvides(pkgCache &/*Cache*/,
+				    pkgCache::VerIterator &/*Ver*/) {return true;};
 
    ListParser() : FoundFileDeps(false) {};
    virtual ~ListParser() {};
diff --git a/apt-pkg/pkgrecords.cc b/apt-pkg/pkgrecords.cc
index 36dab3480..c403e4dc3 100644
--- a/apt-pkg/pkgrecords.cc
+++ b/apt-pkg/pkgrecords.cc
@@ -14,7 +14,11 @@
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/indexfile.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/configuration.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <stddef.h>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
diff --git a/apt-pkg/pkgrecords.h b/apt-pkg/pkgrecords.h
index 3658435e8..b5237b3a0 100644
--- a/apt-pkg/pkgrecords.h
+++ b/apt-pkg/pkgrecords.h
@@ -17,8 +17,9 @@
 #ifndef PKGLIB_PKGRECORDS_H
 #define PKGLIB_PKGRECORDS_H
 
-
 #include <apt-pkg/pkgcache.h>
+
+#include <string>
 #include <vector>
 
 class pkgRecords							/*{{{*/
@@ -70,7 +71,7 @@ class pkgRecords::Parser						/*{{{*/
    virtual std::string Homepage() {return std::string();}
 
    // An arbitrary custom field
-   virtual std::string RecordField(const char *fieldName) { return std::string();};
+   virtual std::string RecordField(const char * /*fieldName*/) { return std::string();};
 
    // The record in binary form
    virtual void GetRec(const char *&Start,const char *&Stop) {Start = Stop = 0;};
diff --git a/apt-pkg/pkgsystem.cc b/apt-pkg/pkgsystem.cc
index 05ba6e0e6..14d090c7a 100644
--- a/apt-pkg/pkgsystem.cc
+++ b/apt-pkg/pkgsystem.cc
@@ -13,7 +13,8 @@
 #include<config.h>
 
 #include <apt-pkg/pkgsystem.h>
-#include <apt-pkg/policy.h>
+#include <apt-pkg/macros.h>
+
 #include <cassert>
 #include <cstring>
 									/*}}}*/
@@ -36,7 +37,7 @@ pkgSystem::pkgSystem() : Label(NULL), VS(NULL)
 // System::GetSystem - Get the named system				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-pkgSystem *pkgSystem::GetSystem(const char *Label)
+APT_PURE pkgSystem *pkgSystem::GetSystem(const char *Label)
 {
    for (unsigned I = 0; I != GlobalListLen; I++)
       if (strcmp(SysList[I]->Label,Label) == 0)
diff --git a/apt-pkg/pkgsystem.h b/apt-pkg/pkgsystem.h
index eb75df412..6e33c67ed 100644
--- a/apt-pkg/pkgsystem.h
+++ b/apt-pkg/pkgsystem.h
@@ -38,6 +38,7 @@
 #define PKGLIB_PKGSYSTEM_H
 
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
 #include <vector>
 
@@ -50,7 +51,6 @@ class pkgPackageManager;
 class pkgVersioningSystem;
 class Configuration;
 class pkgIndexFile;
-class PkgFileIterator;
 
 class pkgSystem
 {   
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index d0f97441d..3cfc32829 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -33,7 +33,15 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/sptr.h>
-
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/versionmatch.h>
+
+#include <ctype.h>
+#include <stddef.h>
+#include <string.h>
+#include <string>
+#include <vector>
 #include <iostream>
 #include <sstream>
 
@@ -325,7 +333,7 @@ pkgCache::VerIterator pkgPolicy::GetMatch(pkgCache::PkgIterator const &Pkg)
 // Policy::GetPriority - Get the priority of the package pin		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg)
+APT_PURE signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg)
 {
    if (Pins[Pkg->ID].Type != pkgVersionMatch::None)
    {
@@ -337,7 +345,7 @@ signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg)
    
    return 0;
 }
-signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File)
+APT_PURE signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File)
 {
    return PFPriority[File->ID];
 }
@@ -349,7 +357,7 @@ signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File)
    all over the place rather than forcing a special format */
 class PreferenceSection : public pkgTagSection
 {
-   void TrimRecord(bool BeforeRecord, const char* &End)
+   void TrimRecord(bool /*BeforeRecord*/, const char* &End)
    {
       for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r' || Stop[0] == '#'); Stop++)
 	 if (Stop[0] == '#')
diff --git a/apt-pkg/policy.h b/apt-pkg/policy.h
index 5172a3c3b..f15d8c0a0 100644
--- a/apt-pkg/policy.h
+++ b/apt-pkg/policy.h
@@ -33,10 +33,13 @@
 #ifndef PKGLIB_POLICY_H
 #define PKGLIB_POLICY_H
 
-
 #include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/versionmatch.h>
+
 #include <vector>
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::vector;
diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc
index 1f5179885..e37899ec6 100644
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -18,7 +18,16 @@
 #include <apt-pkg/metaindex.h>
 #include <apt-pkg/indexfile.h>
 #include <apt-pkg/tagfile.h>
-
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <ctype.h>
+#include <stddef.h>
+#include <time.h>
+#include <cstring>
+#include <map>
+#include <string>
+#include <vector>
 #include <fstream>
 #include <algorithm>
 
diff --git a/apt-pkg/sourcelist.h b/apt-pkg/sourcelist.h
index 0ccb4aa00..9df0c1d74 100644
--- a/apt-pkg/sourcelist.h
+++ b/apt-pkg/sourcelist.h
@@ -27,18 +27,27 @@
 #ifndef PKGLIB_SOURCELIST_H
 #define PKGLIB_SOURCELIST_H
 
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
+
+#include <time.h>
+
 #include <string>
 #include <vector>
 #include <map>
-#include <apt-pkg/pkgcache.h>
-#include <apt-pkg/tagfile.h>
 
 #ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/tagfile.h>
+#endif
+#ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/metaindex.h>
 using std::string;
 using std::vector;
 #endif
 
+class FileFd;
+class pkgTagSection;
 class pkgAcquire;
 class pkgIndexFile;
 class metaIndex;
@@ -55,7 +64,7 @@ class pkgSourceList
       // Global list of Items supported
       static Type **GlobalList;
       static unsigned long GlobalListLen;
-      static Type *GetType(const char *Type);
+      static Type *GetType(const char *Type) APT_PURE;
 
       const char *Name;
       const char *Label;
diff --git a/apt-pkg/srcrecords.cc b/apt-pkg/srcrecords.cc
index 60b62850a..775cf2e5f 100644
--- a/apt-pkg/srcrecords.cc
+++ b/apt-pkg/srcrecords.cc
@@ -16,8 +16,13 @@
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/sourcelist.h>
-#include <apt-pkg/strutl.h>
 #include <apt-pkg/metaindex.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/macros.h>
+
+#include <string.h>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
diff --git a/apt-pkg/srcrecords.h b/apt-pkg/srcrecords.h
index ed69d0d72..9915debfe 100644
--- a/apt-pkg/srcrecords.h
+++ b/apt-pkg/srcrecords.h
@@ -13,6 +13,7 @@
 #ifndef PKGLIB_SRCRECORDS_H
 #define PKGLIB_SRCRECORDS_H
 
+#include <apt-pkg/macros.h>
 
 #include <string>
 #include <vector>
@@ -73,7 +74,7 @@ class pkgSrcRecords
 
       //FIXME: Add a parameter to specify which architecture to use for [wildcard] matching
       virtual bool BuildDepends(std::vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true) = 0;
-      static const char *BuildDepType(unsigned char const &Type);
+      static const char *BuildDepType(unsigned char const &Type) APT_PURE;
 
       virtual bool Files(std::vector<pkgSrcRecords::File> &F) = 0;
       
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 832a40d1e..91d176e3c 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -21,6 +21,8 @@
 #include <string>
 #include <stdio.h>
 #include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include <apti18n.h>
 									/*}}}*/
@@ -83,7 +85,7 @@ pkgTagFile::~pkgTagFile()
 }
 									/*}}}*/
 // TagFile::Offset - Return the current offset in the buffer		/*{{{*/
-unsigned long pkgTagFile::Offset()
+APT_PURE unsigned long pkgTagFile::Offset()
 {
    return d->iOffset;
 }
@@ -471,7 +473,7 @@ bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags,
       return true;
    return FindFlag(Flags, Flag, Start, Stop);
 }
-bool const pkgTagSection::FindFlag(unsigned long &Flags, unsigned long Flag,
+bool pkgTagSection::FindFlag(unsigned long &Flags, unsigned long Flag,
 					char const* Start, char const* Stop)
 {
    switch (StringToBool(string(Start, Stop)))
diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index 518d3dbcd..d5b62e76d 100644
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -20,6 +20,8 @@
 #ifndef PKGLIB_TAGFILE_H
 #define PKGLIB_TAGFILE_H
 
+#include <apt-pkg/macros.h>
+
 #include <stdio.h>
 
 #include <string>
@@ -65,7 +67,7 @@ class pkgTagSection
    unsigned long long FindULL(const char *Tag, unsigned long long const &Default = 0) const;
    bool FindFlag(const char *Tag,unsigned long &Flags,
 		 unsigned long Flag) const;
-   bool static const FindFlag(unsigned long &Flags, unsigned long Flag,
+   bool static FindFlag(unsigned long &Flags, unsigned long Flag,
 				const char* Start, const char* Stop);
    bool Scan(const char *Start,unsigned long MaxLength);
    inline unsigned long size() const {return Stop - Section;};
@@ -93,9 +95,9 @@ class pkgTagFile
 {
    pkgTagFilePrivate *d;
 
-   bool Fill();
-   bool Resize();
-   bool Resize(unsigned long long const newSize);
+   APT_HIDDEN bool Fill();
+   APT_HIDDEN bool Resize();
+   APT_HIDDEN bool Resize(unsigned long long const newSize);
 
    public:
 
diff --git a/apt-pkg/update.cc b/apt-pkg/update.cc
index 97be5490b..5d5b19626 100644
--- a/apt-pkg/update.cc
+++ b/apt-pkg/update.cc
@@ -1,24 +1,17 @@
-
 // Include Files							/*{{{*/
 #include <config.h>
 
-#include <apt-pkg/algorithms.h>
-#include <apt-pkg/update.h>
-#include <apt-pkg/error.h>
-#include <apt-pkg/configuration.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/sptr.h>
 #include <apt-pkg/acquire-item.h>
-#include <apt-pkg/edsp.h>
-#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
-#include <apt-pkg/progress.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/acquire.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/update.h>
 
-#include <sys/types.h>
-#include <cstdlib>
-#include <algorithm>
-#include <iostream>
-#include <stdio.h>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
 									/*}}}*/
diff --git a/apt-pkg/upgrade.cc b/apt-pkg/upgrade.cc
index d6f6933dd..7926845c2 100644
--- a/apt-pkg/upgrade.cc
+++ b/apt-pkg/upgrade.cc
@@ -1,24 +1,17 @@
-
 // Include Files							/*{{{*/
 #include <config.h>
 
 #include <apt-pkg/algorithms.h>
-#include <apt-pkg/upgrade.h>
-#include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/sptr.h>
-#include <apt-pkg/acquire-item.h>
 #include <apt-pkg/edsp.h>
-#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/fileutl.h>
+#include <apt-pkg/error.h>
 #include <apt-pkg/progress.h>
+#include <apt-pkg/upgrade.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
-#include <sys/types.h>
-#include <cstdlib>
-#include <algorithm>
-#include <iostream>
-#include <stdio.h>
+#include <string>
 
 #include <apti18n.h>
 									/*}}}*/
diff --git a/apt-pkg/upgrade.h b/apt-pkg/upgrade.h
index c4973472f..aa883df10 100644
--- a/apt-pkg/upgrade.h
+++ b/apt-pkg/upgrade.h
@@ -10,12 +10,14 @@
 #ifndef PKGLIB_UPGRADE_H
 #define PKGLIB_UPGRADE_H
 
+class pkgDepCache;
+
 namespace APT {
    namespace Upgrade {
       // FIXME: make this "enum class UpgradeMode {" once we enable c++11
       enum UpgradeMode {
          FORBID_REMOVE_PACKAGES = 1,
-         FORBID_INSTALL_NEW_PACKAGES = 2,
+         FORBID_INSTALL_NEW_PACKAGES = 2
       };
       bool Upgrade(pkgDepCache &Cache, int UpgradeMode);
    }
diff --git a/apt-pkg/vendor.cc b/apt-pkg/vendor.cc
index fc03ec845..d4add560e 100644
--- a/apt-pkg/vendor.cc
+++ b/apt-pkg/vendor.cc
@@ -1,10 +1,14 @@
 #include<config.h>
 
-#include <iostream>
-#include <apt-pkg/error.h>
 #include <apt-pkg/vendor.h>
 #include <apt-pkg/configuration.h>
 
+#include <iostream>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
 Vendor::Vendor(std::string VendorID,
                std::string Origin,
 	       std::vector<struct Vendor::Fingerprint *> *FingerprintList)
@@ -31,7 +35,7 @@ const std::string Vendor::LookupFingerprint(std::string Print) const
       return (*Elt).second;
 }
 
-bool Vendor::CheckDist(std::string Dist)
+APT_CONST bool Vendor::CheckDist(std::string /*Dist*/)
 {
    return true;
 }
diff --git a/apt-pkg/vendor.h b/apt-pkg/vendor.h
index 6484adf9b..2d2e2b0ae 100644
--- a/apt-pkg/vendor.h
+++ b/apt-pkg/vendor.h
@@ -11,7 +11,7 @@ using std::string;
 #endif
 
 // A class representing a particular software provider.
-class __deprecated Vendor
+class APT_DEPRECATED Vendor
 {
    public:
    struct Fingerprint
diff --git a/apt-pkg/vendorlist.cc b/apt-pkg/vendorlist.cc
index 602425624..fb33ff17d 100644
--- a/apt-pkg/vendorlist.cc
+++ b/apt-pkg/vendorlist.cc
@@ -3,9 +3,16 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
+
+#include <stddef.h>
+#include <iostream>
+#include <string>
+#include <vector>
+
 #include <apti18n.h>
 
 #if __GNUC__ >= 4
+	#pragma GCC diagnostic push
 	#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #endif
 
@@ -157,5 +164,5 @@ const Vendor* pkgVendorList::FindVendor(const std::vector<string> GPGVOutput)	/*
 									/*}}}*/
 
 #if __GNUC__ >= 4
-	#pragma GCC diagnostic warning "-Wdeprecated-declarations"
+	#pragma GCC diagnostic pop
 #endif
diff --git a/apt-pkg/vendorlist.h b/apt-pkg/vendorlist.h
index a86ccde7c..bc3702a93 100644
--- a/apt-pkg/vendorlist.h
+++ b/apt-pkg/vendorlist.h
@@ -27,7 +27,7 @@ using std::vector;
 class Vendor;
 class Configuration;
 
-class __deprecated pkgVendorList
+class APT_DEPRECATED pkgVendorList
 {
    protected:
    std::vector<Vendor const *> VendorList;
diff --git a/apt-pkg/version.cc b/apt-pkg/version.cc
index cb2c34c0f..29bee46da 100644
--- a/apt-pkg/version.cc
+++ b/apt-pkg/version.cc
@@ -11,8 +11,8 @@
 #include<config.h>
 
 #include <apt-pkg/version.h>
-#include <apt-pkg/pkgcache.h>
 
+#include <string.h>
 #include <stdlib.h>
 									/*}}}*/
     
diff --git a/apt-pkg/version.h b/apt-pkg/version.h
index e0e0e6c14..d98809f7e 100644
--- a/apt-pkg/version.h
+++ b/apt-pkg/version.h
@@ -33,7 +33,7 @@ class pkgVersioningSystem
    // Global list of VS's
    static pkgVersioningSystem **GlobalList;
    static unsigned long GlobalListLen;
-   static pkgVersioningSystem *GetVS(const char *Label);
+   static pkgVersioningSystem *GetVS(const char *Label) APT_PURE;
    
    const char *Label;
    
diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc
index 26262a010..284098bdf 100644
--- a/apt-pkg/versionmatch.cc
+++ b/apt-pkg/versionmatch.cc
@@ -16,11 +16,16 @@
 #include <apt-pkg/versionmatch.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/error.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
 #include <stdio.h>
 #include <ctype.h>
 #include <fnmatch.h>
-#include <sys/types.h>
 #include <regex.h>
 									/*}}}*/
 
diff --git a/apt-pkg/versionmatch.h b/apt-pkg/versionmatch.h
index 433396fc9..4c8f704c8 100644
--- a/apt-pkg/versionmatch.h
+++ b/apt-pkg/versionmatch.h
@@ -35,16 +35,17 @@
 #ifndef PKGLIB_VERSIONMATCH_H
 #define PKGLIB_VERSIONMATCH_H
 
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
 #include <string>
-#include <apt-pkg/pkgcache.h>
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 #endif
 
 class pkgVersionMatch
-{   
+{
    // Version Matching
    std::string VerStr;
    bool VerPrefixMatch;
@@ -60,20 +61,20 @@ class pkgVersionMatch
    std::string RelComponent;
    std::string RelArchitecture;
    bool MatchAll;
-   
+
    // Origin Matching
    std::string OrSite;
-   
+
    public:
-   
+
    enum MatchType {None = 0,Version,Release,Origin} Type;
-   
-   bool MatchVer(const char *A,std::string B,bool Prefix);
+
+   bool MatchVer(const char *A,std::string B,bool Prefix) APT_PURE;
    bool ExpressionMatches(const char *pattern, const char *string);
    bool ExpressionMatches(const std::string& pattern, const char *string);
    bool FileMatch(pkgCache::PkgFileIterator File);
    pkgCache::VerIterator Find(pkgCache::PkgIterator Pkg);
-			       
+
    pkgVersionMatch(std::string Data,MatchType Type);
 };