From: Modestas Vainius <modax@debian.org>
Subject: Multiarch directories should be among implicit link directories as well
Bug: http://public.kitware.com/Bug/view.php?id=12326
Forwarded: yes
Origin: vendor
Last-Update: 2011-07-09

Add multiarch library directories to the set of implicit link directories. In
particular, this keeps /lib/<arch> out of R(UN)PATH of the binaries cmake
builds.

--- a/Source/cmComputeLinkInformation.cxx
+++ b/Source/cmComputeLinkInformation.cxx
@@ -1603,6 +1603,19 @@ void cmComputeLinkInformation::LoadImpli
     cmSystemTools::ExpandListArgument(implicitLinks, implicitDirVec);
     }
 
+  // Append library architecture to all implicit platform directories
+  // and add them to the set
+  if(const char* libraryArch =
+     (this->Makefile->GetDefinition
+      ("CMAKE_LIBRARY_ARCHITECTURE")))
+    {
+    for (std::vector<std::string>::const_iterator i = implicitDirVec.begin();
+         i != implicitDirVec.end(); ++i)
+      {
+      this->ImplicitLinkDirs.insert(*i + "/" + libraryArch);
+      }
+    }
+
   // Get language-specific implicit directories.
   std::string implicitDirVar = "CMAKE_";
   implicitDirVar += this->LinkLanguage;