add support for Build-Depends/Conflicts-Arch

These new enum values might cause "interesting" behaviour in tools not
expecting them – like an old apt would think a Build-Conflicts-Arch is
some sort of Build-Depends – but that can't reasonably be avoided and
effects only packages using B-D/C-A so if there is any breakage the
tools can easily be adapted.

The APT_PKG_RELEASE number is increased so that libapt users can detect
the availability of these new enum fields via:
 #if APT_PKG_ABI > 500 || (APT_PKG_ABI == 500 && APT_PKG_RELEASE >= 1)

Closes: #837395

1 files changed, 3 insertions, 1 deletions

diff --git a/apt-pkg/srcrecords.cc b/apt-pkg/srcrecords.cc
index 53d7e604d..a76604a8d 100644
--- a/apt-pkg/srcrecords.cc
+++ b/apt-pkg/srcrecords.cc
@@ -139,7 +139,9 @@ const char *pkgSrcRecords::Parser::BuildDepType(unsigned char const &Type)
    const char *fields[] = {"Build-Depends",
 			   "Build-Depends-Indep",
 			   "Build-Conflicts",
-			   "Build-Conflicts-Indep"};
+			   "Build-Conflicts-Indep",
+			   "Build-Depends-Arch",
+			   "Build-Conflicts-Arch"};
    if (unlikely(Type >= sizeof(fields)/sizeof(fields[0])))
       return "";
    return fields[Type];