From 23a60d561cc322e6b12feab27cb1614c3fcb779c Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 21 May 2008 19:57:35 -0400
Subject: [PATCH] BUG: Fix makefile generator to have link rules depend on all
 full path libraries that appear on the link line.  This allows projects to
 relink when imported targets have changed.

---
 Source/cmMakefileTargetGenerator.cxx | 45 +++++-----------------------
 1 file changed, 7 insertions(+), 38 deletions(-)

diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index 05efc77ef..5e724d458 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -24,6 +24,7 @@
 #include "cmSourceFile.h"
 #include "cmTarget.h"
 #include "cmake.h"
+#include "cmComputeLinkInformation.h"
 
 #include "cmMakefileExecutableTargetGenerator.h"
 #include "cmMakefileLibraryTargetGenerator.h"
@@ -1463,48 +1464,16 @@ void cmMakefileTargetGenerator
     {
     return;
     }
-  // Compute which library configuration to link.
-  cmTarget::LinkLibraryType linkType = cmTarget::OPTIMIZED;
-  if(cmSystemTools::UpperCase(
-       this->LocalGenerator->ConfigurationName.c_str()) == "DEBUG")
-    {
-    linkType = cmTarget::DEBUG;
-    }
-  // Keep track of dependencies already listed.
-  std::set<cmStdString> emitted;
-
-  // A target should not depend on itself.
-  emitted.insert(this->Target->GetName());
 
   // Loop over all library dependencies.
-  const cmTarget::LinkLibraryVectorType& tlibs =
-    this->Target->GetLinkLibraries();
-  for(cmTarget::LinkLibraryVectorType::const_iterator lib = tlibs.begin();
-      lib != tlibs.end(); ++lib)
+  const char* cfg = this->LocalGenerator->ConfigurationName.c_str();
+  if(cmComputeLinkInformation* cli = this->Target->GetLinkInformation(cfg))
     {
-    // skip the library if it is not general and the link type
-    // does not match the current target
-    if(lib->second != cmTarget::GENERAL &&
-       lib->second != linkType)
+    std::vector<std::string> const& libDeps = cli->GetDepends();
+    for(std::vector<std::string>::const_iterator j = libDeps.begin();
+        j != libDeps.end(); ++j)
       {
-      continue;
-      }
-       
-    // Don't emit the same library twice for this target.
-    if(emitted.insert(lib->first).second)
-      {
-      // Depend on other CMake targets.
-      if(cmTarget* tgt =
-         this->GlobalGenerator->FindTarget(0, lib->first.c_str()))
-        {
-        const char* config = this->LocalGenerator->ConfigurationName.c_str();
-        depends.push_back(tgt->GetFullPath(config, false));
-        }
-      // depend on full path libs as well
-      else if(cmSystemTools::FileIsFullPath(lib->first.c_str()))
-        {
-        depends.push_back(lib->first.c_str());
-        }
+      depends.push_back(*j);
       }
     }
 }