after this consider providing packages (if it is not a versioned dep)

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 9f9a9e5..b37ced5 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -2801,6 +2801,33 @@ bool DoBuildDep(CommandLine &CmdL)
                                        Last->BuildDepType((*D).Type), Src.c_str(), Pkg.FullName(true).c_str());
            }
 
+           // Only consider virtual packages if there is no versioned dependency
+           if ((*D).Version.empty() == true)
+           {
+              /*
+               * If this is a virtual package, we need to check the list of
+               * packages that provide it and see if any of those are
+               * installed
+               */
+              pkgCache::PrvIterator Prv = Pkg.ProvidesList();
+              for (; Prv.end() != true; Prv++)
+              {
+                 if (_config->FindB("Debug::BuildDeps",false) == true)
+                    cout << "  Checking provider " << Prv.OwnerPkg().FullName() << endl;
+
+                 if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
+                    break;
+              }
+
+              if (Prv.end() == false)
+              {
+                 if (_config->FindB("Debug::BuildDeps",false) == true)
+                    cout << "  Is provided by installed package " << Prv.OwnerPkg().FullName() << endl;
+                 skipAlternatives = hasAlternatives;
+                 continue;
+              }
+           }
+
             if ((*D).Version[0] != '\0') {
                  // Versioned dependency
 
@@ -2827,32 +2854,6 @@ bool DoBuildDep(CommandLine &CmdL)
                   }
                 }
             }
-            else
-            {
-              /*
-               * If this is a virtual package, we need to check the list of
-               * packages that provide it and see if any of those are
-               * installed
-               */
-              pkgCache::PrvIterator Prv = Pkg.ProvidesList();
-              for (; Prv.end() != true; Prv++)
-              {
-                 if (_config->FindB("Debug::BuildDeps",false) == true)
-                    cout << "  Checking provider " << Prv.OwnerPkg().FullName() << endl;
-
-                 if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
-                    break;
-              }
-
-               // Only consider virtual packages if there is no versioned dependency
-               if (Prv.end() == false)
-               {
-                  if (_config->FindB("Debug::BuildDeps",false) == true)
-                     cout << "  Is provided by installed package " << Prv.OwnerPkg().FullName() << endl;
-                  skipAlternatives = hasAlternatives;
-                  continue;
-               }
-            }
 
             if (_config->FindB("Debug::BuildDeps",false) == true)
                cout << "  Trying to install " << (*D).Package << endl;