4 files changed, 7 insertions, 6 deletions
diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index f4992c223..a16ea4d2d 100644
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -48,7 +48,7 @@ class MD5Summation : public SummationImplementation
 
    public:
 
-   bool Add(const unsigned char *inbuf, unsigned long long inlen);
+   bool Add(const unsigned char *inbuf, unsigned long long inlen) APT_OVERRIDE;
    using SummationImplementation::Add;
 
    MD5SumValue Result();
diff --git a/apt-pkg/contrib/progress.h b/apt-pkg/contrib/progress.h
index f7fbc9ccf..427b1bd35 100644
--- a/apt-pkg/contrib/progress.h
+++ b/apt-pkg/contrib/progress.h
@@ -24,6 +24,7 @@
 
 #include <string>
 #include <sys/time.h>
+#include <apt-pkg/macros.h>
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
@@ -74,12 +75,12 @@ class OpTextProgress : public OpProgress
    bool NoUpdate;
    bool NoDisplay;
    unsigned long LastLen;
-   virtual void Update();
+   virtual void Update() APT_OVERRIDE;
    void Write(const char *S);
    
    public:
 
-   virtual void Done();
+   virtual void Done() APT_OVERRIDE;
    
    OpTextProgress(bool NoUpdate = false) : NoUpdate(NoUpdate), 
                 NoDisplay(false), LastLen(0) {};
diff --git a/apt-pkg/contrib/sha1.h b/apt-pkg/contrib/sha1.h
index 5770c315a..1c5cb5aa1 100644
--- a/apt-pkg/contrib/sha1.h
+++ b/apt-pkg/contrib/sha1.h
@@ -37,7 +37,7 @@ class SHA1Summation : public SummationImplementation
    bool Done;
    
    public:
-   bool Add(const unsigned char *inbuf, unsigned long long inlen);
+   bool Add(const unsigned char *inbuf, unsigned long long inlen) APT_OVERRIDE;
    using SummationImplementation::Add;
 
    SHA1SumValue Result();
diff --git a/apt-pkg/contrib/sha2.h b/apt-pkg/contrib/sha2.h
index a25ad4d32..70e8384f2 100644
--- a/apt-pkg/contrib/sha2.h
+++ b/apt-pkg/contrib/sha2.h
@@ -45,7 +45,7 @@ class SHA256Summation : public SHA2SummationBase
    unsigned char Sum[32];
 
    public:
-   bool Add(const unsigned char *inbuf, unsigned long long len)
+   bool Add(const unsigned char *inbuf, unsigned long long len) APT_OVERRIDE
    {
       if (Done) 
          return false;
@@ -78,7 +78,7 @@ class SHA512Summation : public SHA2SummationBase
    unsigned char Sum[64];
 
    public:
-   bool Add(const unsigned char *inbuf, unsigned long long len)
+   bool Add(const unsigned char *inbuf, unsigned long long len) APT_OVERRIDE
    {
       if (Done) 
          return false;