diff -ur origs/apt-0.9.7.7ubuntu1/apt-pkg/deb/deblistparser.cc apt-0.9.7.7ubuntu2/apt-pkg/deb/deblistparser.cc
--- origs/apt-0.9.7.7ubuntu1/apt-pkg/deb/deblistparser.cc	2012-12-13 15:08:13.000000000 +0000
+++ apt-0.9.7.7ubuntu2/apt-pkg/deb/deblistparser.cc	2013-01-30 11:22:30.000000000 +0000
@@ -472,6 +472,7 @@
 const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 					string &Package,string &Ver,
 					unsigned int &Op, bool const &ParseArchFlags,
+					bool const &ParseProfileFlags,
 					bool const &StripMultiArch)
 {
    // Strip off leading space
@@ -480,7 +481,8 @@
    // 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 == ')')
@@ -597,6 +599,75 @@
       for (;I != Stop && isspace(*I) != 0; I++);
    }
 
+   if (ParseProfileFlags == true)
+   {
+       std::vector<string> profiles;
+
+       // accept non-list order as override setting
+       string const overrideProfile = _config->Find("APT::Build-Profile", "");
+
+       if (overrideProfile.empty() == false)
+           profiles.push_back(overrideProfile);
+
+       std::vector<string> p = _config->FindVector("APT::Build-Profile");
+       profiles.insert(profiles.end(), p.begin(), p.end());
+
+       // Parse a build profile
+       if (I != Stop && *I == '<')
+       {
+           ++I;
+           // malformed
+           if (unlikely(I == Stop))
+               return 0;
+
+           const char *End = I;
+           bool Found = false;
+           bool NegProfile = false;
+           while (I != Stop)
+           {
+               // look for whitespace or ending '>'
+               for (;End != Stop && !isspace(*End) && *End != '>'; ++End);
+
+               if (unlikely(End == Stop))
+                   return 0;
+
+               if (*I == '!')
+               {
+                   NegProfile = true;
+                   ++I;
+               }
+
+               std::string profile(I, End);
+               if (profile.empty() == false && profiles.empty() == false &&
+                      std::find(profiles.begin(), profiles.end(), profile) != profiles.end())
+               {
+                   Found = true;
+                   if (I[-1] != '!')
+                       NegProfile = 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 (NegProfile == true)
+               Found = !Found;
+
+           if (Found == false)
+               Package = ""; /* not for this profile */
+       }
+
+       // Skip whitespace
+       for (;I != Stop && isspace(*I) != 0; I++);
+   }
+
    if (I != Stop && *I == '|')
       Op |= pkgCache::Dep::Or;
    
@@ -630,7 +701,7 @@
       string Version;
       unsigned int Op;
 
-      Start = ParseDepends(Start,Stop,Package,Version,Op,false,!MultiArchEnabled);
+      Start = ParseDepends(Start,Stop,Package,Version,Op,false,false,!MultiArchEnabled);
       if (Start == 0)
 	 return _error->Error("Problem parsing dependency %s",Tag);
       size_t const found = Package.rfind(':');
diff -ur origs/apt-0.9.7.7ubuntu1/apt-pkg/deb/deblistparser.h apt-0.9.7.7ubuntu2/apt-pkg/deb/deblistparser.h
--- origs/apt-0.9.7.7ubuntu1/apt-pkg/deb/deblistparser.h	2012-12-13 15:08:13.000000000 +0000
+++ apt-0.9.7.7ubuntu2/apt-pkg/deb/deblistparser.h	2013-01-30 11:22:30.000000000 +0000
@@ -76,6 +76,7 @@
    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 &ParseProfileFlags = false,
 			    bool const &StripMultiArch = true);
    static const char *ConvertRelation(const char *I,unsigned int &Op);
 
diff -ur origs/apt-0.9.7.7ubuntu1/apt-pkg/deb/debsrcrecords.cc apt-0.9.7.7ubuntu2/apt-pkg/deb/debsrcrecords.cc
--- origs/apt-0.9.7.7ubuntu1/apt-pkg/deb/debsrcrecords.cc	2012-12-13 15:08:13.000000000 +0000
+++ apt-0.9.7.7ubuntu2/apt-pkg/deb/debsrcrecords.cc	2013-01-30 11:22:30.000000000 +0000
@@ -90,7 +90,7 @@
       while (1)
       {
          Start = debListParser::ParseDepends(Start, Stop, 
-		     rec.Package,rec.Version,rec.Op,true, StripMultiArch);
+		     rec.Package,rec.Version,rec.Op,true,true, StripMultiArch);
 	 
          if (Start == 0) 
             return _error->Error("Problem parsing dependency: %s", fields[I]);
diff -ur origs/apt-0.9.7.7ubuntu1/debian/changelog apt-0.9.7.7ubuntu2/debian/changelog
--- origs/apt-0.9.7.7ubuntu1/debian/changelog	2013-01-18 07:50:25.000000000 +0000
+++ apt-0.9.7.7ubuntu2/debian/changelog	2013-01-30 11:26:22.000000000 +0000
@@ -1,3 +1,9 @@
+apt (0.9.7.7ubuntu2~profile1) raring; urgency=low
+
+  * Add Build-profile support (<> style). Set APT::Build-Profile=<profile>. Closes: #661537
+
+ -- Wookey <wookey@wookware.org>  Wed, 30 Jan 2013 11:23:40 +0000
+
 apt (0.9.7.7ubuntu1) raring; urgency=low
 
   * Merge from Debian unstable, pulling in new translations and fixes.