Fixed build-dep handling for virtual packages (closes: ...

Author: tausq
Date: 2001-02-27 02:51:03 GMT
Fixed build-dep handling for virtual packages (closes: #87639)

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 93988c1..04f18b1 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: apt-get.cc,v 1.101 2001/02/21 04:25:20 jgg Exp $
+// $Id: apt-get.cc,v 1.102 2001/02/27 02:51:03 tausq Exp $
 /* ######################################################################
    
    apt-get - Cover for dpkg
@@ -1845,24 +1845,41 @@ bool DoBuildDep(CommandLine &CmdL)
         if ((*D).Type == pkgSrcRecords::Parser::BuildConflict || 
             (*D).Type == pkgSrcRecords::Parser::BuildConflictIndep)
         {
-           /* conflict; need to remove if we have an installed version 
-             that satisfies the version criteria */
+           /* 
+            * conflict; need to remove if we have an installed version 
+            * that satisfies the version criterial 
+            */
            if (IV.end() == false && 
                Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
               TryToInstall(Pkg,Cache,Fix,true,false,ExpectedInst);
         } 
         else 
         {
-           /* depends; need to install or upgrade if we don't have the
-              package installed or if the version does not satisfy the
-              build dep. This is complicated by the fact that if we
-              depend on a version lower than what we already have 
-              installed it is not clear what should be done; in practice
-              this case should be rare though and right now nothing
-              is done about it :-( */
-           if (IV.end() == true ||
-               Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == false)
-              TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst);
+           /* 
+            * 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 ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
+                 break;
+
+           if (Prv.end() == true)
+           {
+              /* 
+               * depends; need to install or upgrade if we don't have the
+               * package installed or if the version does not satisfy the
+               * build dep. This is complicated by the fact that if we
+               * depend on a version lower than what we already have 
+               * installed it is not clear what should be done; in practice
+               * this case should be rare though and right now nothing
+               * is done about it :-( 
+               */
+              if (IV.end() == true ||
+                 Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == false)
+                    TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst);
+           }
         }             
       }