check build-dep candidate if install is forbidden

[ntk/apt.git] / cmdline / apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index a4fd3cf..870c772 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -2889,33 +2889,42 @@ bool DoBuildDep(CommandLine &CmdL)
               else
                  Pkg = Cache->FindPkg(D->Package);
 
-              // We need to decide if host or build arch, so find a version we can look at
-              pkgCache::VerIterator Ver;
-
               // a bad version either is invalid or doesn't satify dependency
-              #define BADVER(Ver) Ver.end() == true || \
-                                  (Ver.end() == false && D->Version.empty() == false && \
-                                   Cache->VS().CheckDep(Ver.VerStr(),D->Op,D->Version.c_str()) == false)
+              #define BADVER(Ver) (Ver.end() == true || \
+                                   (D->Version.empty() == false && \
+                                    Cache->VS().CheckDep(Ver.VerStr(),D->Op,D->Version.c_str()) == false))
 
+              APT::VersionList verlist;
               if (Pkg.end() == false)
               {
-                 Ver = (*Cache)[Pkg].InstVerIter(*Cache);
-                 if (BADVER(Ver))
-                    Ver = (*Cache)[Pkg].CandidateVerIter(*Cache);
+                 pkgCache::VerIterator Ver = (*Cache)[Pkg].InstVerIter(*Cache);
+                 if (BADVER(Ver) == false)
+                    verlist.insert(Ver);
+                 Ver = (*Cache)[Pkg].CandidateVerIter(*Cache);
+                 if (BADVER(Ver) == false)
+                    verlist.insert(Ver);
               }
-              if (BADVER(Ver))
+              if (verlist.empty() == true)
               {
                  pkgCache::PkgIterator HostPkg = Cache->FindPkg(D->Package, hostArch);
                  if (HostPkg.end() == false)
                  {
-                    Ver = (*Cache)[HostPkg].InstVerIter(*Cache);
-                    if (BADVER(Ver))
-                       Ver = (*Cache)[HostPkg].CandidateVerIter(*Cache);
+                    pkgCache::VerIterator Ver = (*Cache)[HostPkg].InstVerIter(*Cache);
+                    if (BADVER(Ver) == false)
+                       verlist.insert(Ver);
+                    Ver = (*Cache)[HostPkg].CandidateVerIter(*Cache);
+                    if (BADVER(Ver) == false)
+                       verlist.insert(Ver);
                  }
               }
-              if ((BADVER(Ver)) == false)
+              #undef BADVER
+
+              string forbidden;
+              // We need to decide if host or build arch, so find a version we can look at
+              APT::VersionList::const_iterator Ver = verlist.begin();
+              for (; Ver != verlist.end(); ++Ver)
               {
-                 string forbidden;
+                 forbidden.clear();
                  if (Ver->MultiArch == pkgCache::Version::None || Ver->MultiArch == pkgCache::Version::All)
                  {
                     if (colon == string::npos)
@@ -2953,10 +2962,24 @@ bool DoBuildDep(CommandLine &CmdL)
                     }
                     // native gets buildArch
                  }
+
                  if (forbidden.empty() == false)
                  {
                     if (_config->FindB("Debug::BuildDeps",false) == true)
-                       cout << D->Package.substr(colon, string::npos) << " is not allowed from " << forbidden << " package " << (*D).Package << endl;
+                       cout << D->Package.substr(colon, string::npos) << " is not allowed from " << forbidden << " package " << (*D).Package << " (" << Ver.VerStr() << ")" << endl;
+                    continue;
+                 }
+
+                 //we found a good version
+                 break;
+              }
+              if (Ver == verlist.end())
+              {
+                 if (_config->FindB("Debug::BuildDeps",false) == true)
+                    cout << " No multiarch info as we have no satisfying installed nor candidate for " << D->Package << " on build or host arch" << endl;
+
+                 if (forbidden.empty() == false)
+                 {
                     if (hasAlternatives)
                        continue;
                     return _error->Error(_("%s dependency for %s can't be satisfied "
@@ -2965,9 +2988,6 @@ bool DoBuildDep(CommandLine &CmdL)
                                          D->Package.c_str(), forbidden.c_str());
                  }
               }
-              else if (_config->FindB("Debug::BuildDeps",false) == true)
-                 cout << " No multiarch info as we have no satisfying installed nor candidate for " << D->Package << " on build or host arch" << endl;
-              #undef BADVER
            }
            else
               Pkg = Cache->FindPkg(D->Package);