Merge topic 'target-legacy-depends-only-for-vs6'

8a205b98 cmTarget: Compile old-style link dependencies only for VS 6
d57be904 cmTarget: Run old-style link dependencies only for VS 6
b3b44d13 cmTarget: Rename old-style link dependencies code as "ForVS6"
80cb12bb export_library_dependencies: Use original link libraries internally

6 files changed, 90 insertions, 66 deletions

diff --git a/Source/cmExportLibraryDependenciesCommand.cxx b/Source/cmExportLibraryDependenciesCommand.cxx
index 688d2eb..cb150a7 100644
--- a/Source/cmExportLibraryDependenciesCommand.cxx
+++ b/Source/cmExportLibraryDependenciesCommand.cxx
@@ -108,14 +108,12 @@ void cmExportLibraryDependenciesCommand::ConstFinalPass() const
       std::string targetEntry = target.GetName();
       targetEntry += "_LIB_DEPENDS";
 
-      // Construct the dependency variable value.  It is safe to use
-      // the target GetLinkLibraries method here because this code is
-      // called at the end of configure but before generate so library
-      // dependencies have yet to be analyzed.  Therefore the value
-      // will be the direct link dependencies.
+      // Construct the dependency variable value with the direct link
+      // dependencies.
       std::string valueOld;
       std::string valueNew;
-      cmTarget::LinkLibraryVectorType const& libs = target.GetLinkLibraries();
+      cmTarget::LinkLibraryVectorType const& libs =
+        target.GetOriginalLinkLibraries();
       for(cmTarget::LinkLibraryVectorType::const_iterator li = libs.begin();
           li != libs.end(); ++li)
         {
diff --git a/Source/cmGlobalGenerator.h b/Source/cmGlobalGenerator.h
index 6403429..5e6c03e 100644
--- a/Source/cmGlobalGenerator.h
+++ b/Source/cmGlobalGenerator.h
@@ -214,6 +214,11 @@ public:
    */
   virtual void FindMakeProgram(cmMakefile*);
 
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  /** Is this the Visual Studio 6 generator?  */
+  virtual bool IsForVS6() const { return false; }
+#endif
+
   ///! Find a target by name by searching the local generators.
   cmTarget* FindTarget(const std::string& name,
                        bool excludeAliases = false) const;
diff --git a/Source/cmGlobalVisualStudio6Generator.h b/Source/cmGlobalVisualStudio6Generator.h
index 2797e11..b2fd28f 100644
--- a/Source/cmGlobalVisualStudio6Generator.h
+++ b/Source/cmGlobalVisualStudio6Generator.h
@@ -91,6 +91,8 @@ public:
 
   virtual void FindMakeProgram(cmMakefile*);
 
+  virtual bool IsForVS6() const { return true; }
+
 protected:
   virtual const char* GetIDEVersion() { return "6.0"; }
 private:
diff --git a/Source/cmLocalVisualStudio6Generator.cxx b/Source/cmLocalVisualStudio6Generator.cxx
index 5db735f..c14fb2b 100644
--- a/Source/cmLocalVisualStudio6Generator.cxx
+++ b/Source/cmLocalVisualStudio6Generator.cxx
@@ -1101,7 +1101,8 @@ void cmLocalVisualStudio6Generator
       }
     }
   // find link libraries
-  const cmTarget::LinkLibraryVectorType& libs = target.GetLinkLibraries();
+  const cmTarget::LinkLibraryVectorType& libs =
+    target.GetLinkLibrariesForVS6();
   cmTarget::LinkLibraryVectorType::const_iterator j;
   for(j = libs.begin(); j != libs.end(); ++j)
     {
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index a740bc3..aaae457 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -258,7 +258,9 @@ cmTarget::cmTarget()
 #undef INITIALIZE_TARGET_POLICY_MEMBER
 
   this->Makefile = 0;
-  this->LinkLibrariesAnalyzed = false;
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  this->LinkLibrariesForVS6Analyzed = false;
+#endif
   this->HaveInstallRule = false;
   this->DLLPlatform = false;
   this->IsApple = false;
@@ -517,8 +519,13 @@ void cmTarget::FinishConfigure()
   // invalidation code in this source file is buggy.
   this->ClearLinkMaps();
 
-  // Do old-style link dependency analysis.
-  this->AnalyzeLibDependencies(*this->Makefile);
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  // Do old-style link dependency analysis only for CM_USE_OLD_VS6.
+  if(this->Makefile->GetLocalGenerator()->GetGlobalGenerator()->IsForVS6())
+    {
+    this->AnalyzeLibDependenciesForVS6(*this->Makefile);
+    }
+#endif
 }
 
 //----------------------------------------------------------------------------
@@ -1332,7 +1339,9 @@ void cmTarget::AddLinkLibrary(cmMakefile& mf,
   cmTarget::LibraryID tmp;
   tmp.first = lib;
   tmp.second = llt;
-  this->LinkLibraries.push_back( tmp );
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  this->LinkLibrariesForVS6.push_back( tmp );
+#endif
   this->OriginalLinkLibraries.push_back(tmp);
   this->ClearLinkMaps();
 
@@ -1398,9 +1407,10 @@ cmTarget::AddSystemIncludeDirectories(const std::vector<std::string> &incs)
     }
 }
 
+#if defined(_WIN32) && !defined(__CYGWIN__)
 //----------------------------------------------------------------------------
 void
-cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
+cmTarget::AnalyzeLibDependenciesForVS6( const cmMakefile& mf )
 {
   // There are two key parts of the dependency analysis: (1)
   // determining the libraries in the link line, and (2) constructing
@@ -1477,8 +1487,8 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
  // eventually be removed.  This code was moved here from the end of
  // old source list processing code which was called just before this
  // method.
- for(LinkLibraryVectorType::iterator p = this->LinkLibraries.begin();
-     p != this->LinkLibraries.end(); ++p)
+ for(LinkLibraryVectorType::iterator p = this->LinkLibrariesForVS6.begin();
+     p != this->LinkLibrariesForVS6.end(); ++p)
    {
    this->Makefile->ExpandVariablesInString(p->first, true, true);
    }
@@ -1490,22 +1500,22 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
  // 1. Build the dependency graph
  //
  for(LinkLibraryVectorType::reverse_iterator lib
-       = this->LinkLibraries.rbegin();
-     lib != this->LinkLibraries.rend(); ++lib)
+       = this->LinkLibrariesForVS6.rbegin();
+     lib != this->LinkLibrariesForVS6.rend(); ++lib)
    {
-   this->GatherDependencies( mf, *lib, dep_map);
+   this->GatherDependenciesForVS6( mf, *lib, dep_map);
    }
 
  // 2. Remove any dependencies that are already satisfied in the original
  // link line.
  //
- for(LinkLibraryVectorType::iterator lib = this->LinkLibraries.begin();
-     lib != this->LinkLibraries.end(); ++lib)
+ for(LinkLibraryVectorType::iterator lib = this->LinkLibrariesForVS6.begin();
+     lib != this->LinkLibrariesForVS6.end(); ++lib)
    {
    for( LinkLibraryVectorType::iterator lib2 = lib;
-        lib2 != this->LinkLibraries.end(); ++lib2)
+        lib2 != this->LinkLibrariesForVS6.end(); ++lib2)
      {
-     this->DeleteDependency( dep_map, *lib, *lib2);
+     this->DeleteDependencyForVS6( dep_map, *lib, *lib2);
      }
    }
 
@@ -1514,43 +1524,43 @@ cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
  // missing.  Start from the back and keep adding.
  //
  std::set<DependencyMap::key_type> done, visited;
- std::vector<DependencyMap::key_type> newLinkLibraries;
+ std::vector<DependencyMap::key_type> newLinkLibrariesForVS6;
  for(LinkLibraryVectorType::reverse_iterator lib =
-       this->LinkLibraries.rbegin();
-     lib != this->LinkLibraries.rend(); ++lib)
+       this->LinkLibrariesForVS6.rbegin();
+     lib != this->LinkLibrariesForVS6.rend(); ++lib)
    {
    // skip zero size library entries, this may happen
    // if a variable expands to nothing.
    if (lib->first.size() != 0)
      {
-     this->Emit( *lib, dep_map, done, visited, newLinkLibraries );
+     this->EmitForVS6( *lib, dep_map, done, visited, newLinkLibrariesForVS6 );
      }
    }
 
  // 4. Add the new libraries to the link line.
  //
  for( std::vector<DependencyMap::key_type>::reverse_iterator k =
-        newLinkLibraries.rbegin();
-      k != newLinkLibraries.rend(); ++k )
+        newLinkLibrariesForVS6.rbegin();
+      k != newLinkLibrariesForVS6.rend(); ++k )
    {
    // get the llt from the dep_map
-   this->LinkLibraries.push_back( std::make_pair(k->first,k->second) );
+   this->LinkLibrariesForVS6.push_back( std::make_pair(k->first,k->second) );
    }
- this->LinkLibrariesAnalyzed = true;
+ this->LinkLibrariesForVS6Analyzed = true;
 }
 
 //----------------------------------------------------------------------------
-void cmTarget::InsertDependency( DependencyMap& depMap,
-                                 const LibraryID& lib,
-                                 const LibraryID& dep)
+void cmTarget::InsertDependencyForVS6( DependencyMap& depMap,
+                                       const LibraryID& lib,
+                                       const LibraryID& dep)
 {
   depMap[lib].push_back(dep);
 }
 
 //----------------------------------------------------------------------------
-void cmTarget::DeleteDependency( DependencyMap& depMap,
-                                 const LibraryID& lib,
-                                 const LibraryID& dep)
+void cmTarget::DeleteDependencyForVS6( DependencyMap& depMap,
+                                       const LibraryID& lib,
+                                       const LibraryID& dep)
 {
   // Make sure there is an entry in the map for lib. If so, delete all
   // dependencies to dep. There may be repeated entries because of
@@ -1569,11 +1579,11 @@ void cmTarget::DeleteDependency( DependencyMap& depMap,
 }
 
 //----------------------------------------------------------------------------
-void cmTarget::Emit(const LibraryID lib,
-                    const DependencyMap& dep_map,
-                    std::set<LibraryID>& emitted,
-                    std::set<LibraryID>& visited,
-                    DependencyList& link_line )
+void cmTarget::EmitForVS6(const LibraryID lib,
+                          const DependencyMap& dep_map,
+                          std::set<LibraryID>& emitted,
+                          std::set<LibraryID>& visited,
+                          DependencyList& link_line )
 {
   // It's already been emitted
   if( emitted.find(lib) != emitted.end() )
@@ -1619,7 +1629,7 @@ void cmTarget::Emit(const LibraryID lib,
           if( emitted.find(*i) == emitted.end() )
             {
             // emit dependencies
-            Emit( *i, dep_map, emitted, visited, link_line );
+            this->EmitForVS6( *i, dep_map, emitted, visited, link_line );
             // emit self
             emitted.insert(*i);
             emitted_here.insert(*i);
@@ -1632,9 +1642,9 @@ void cmTarget::Emit(const LibraryID lib,
 }
 
 //----------------------------------------------------------------------------
-void cmTarget::GatherDependencies( const cmMakefile& mf,
-                                   const LibraryID& lib,
-                                   DependencyMap& dep_map)
+void cmTarget::GatherDependenciesForVS6( const cmMakefile& mf,
+                                         const LibraryID& lib,
+                                         DependencyMap& dep_map)
 {
   // If the library is already in the dependency map, then it has
   // already been fully processed.
@@ -1678,8 +1688,8 @@ void cmTarget::GatherDependencies( const cmMakefile& mf,
         else
           {
           LibraryID lib2(l,llt);
-          this->InsertDependency( dep_map, lib, lib2);
-          this->GatherDependencies( mf, lib2, dep_map);
+          this->InsertDependencyForVS6( dep_map, lib, lib2);
+          this->GatherDependenciesForVS6( mf, lib2, dep_map);
           llt = cmTarget::GENERAL;
           }
         }
@@ -1687,9 +1697,10 @@ void cmTarget::GatherDependencies( const cmMakefile& mf,
       end = depline.find( ";", start );
       }
     // cannot depend on itself
-    this->DeleteDependency( dep_map, lib, lib);
+    this->DeleteDependencyForVS6( dep_map, lib, lib);
     }
 }
+#endif
 
 //----------------------------------------------------------------------------
 static bool whiteListedInterfaceProperty(const std::string& prop)
diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index dc67f1e..c2efb14 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -179,8 +179,6 @@ public:
   typedef std::pair<std::string, LinkLibraryType> LibraryID;
 
   typedef std::vector<LibraryID > LinkLibraryVectorType;
-  const LinkLibraryVectorType &GetLinkLibraries() const {
-  return this->LinkLibraries;}
   const LinkLibraryVectorType &GetOriginalLinkLibraries() const
     {return this->OriginalLinkLibraries;}
 
@@ -613,6 +611,11 @@ public:
     return this->MaxLanguageStandards;
   }
 
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  const LinkLibraryVectorType &GetLinkLibrariesForVS6() const {
+  return this->LinkLibrariesForVS6;}
+#endif
+
 private:
   bool HandleLocationPropertyPolicy(cmMakefile* context) const;
 
@@ -622,6 +625,7 @@ private:
 
   std::vector<std::pair<TLLSignature, cmListFileBacktrace> > TLLCommands;
 
+#if defined(_WIN32) && !defined(__CYGWIN__)
   /**
    * A list of direct dependencies. Use in conjunction with DependencyMap.
    */
@@ -638,16 +642,16 @@ private:
   /**
    * Inserts \a dep at the end of the dependency list of \a lib.
    */
-  void InsertDependency( DependencyMap& depMap,
-                         const LibraryID& lib,
-                         const LibraryID& dep);
+  void InsertDependencyForVS6( DependencyMap& depMap,
+                               const LibraryID& lib,
+                               const LibraryID& dep);
 
   /*
    * Deletes \a dep from the dependency list of \a lib.
    */
-  void DeleteDependency( DependencyMap& depMap,
-                         const LibraryID& lib,
-                         const LibraryID& dep);
+  void DeleteDependencyForVS6( DependencyMap& depMap,
+                               const LibraryID& lib,
+                               const LibraryID& dep);
 
   /**
    * Emits the library \a lib and all its dependencies into link_line.
@@ -657,21 +661,22 @@ private:
    * link_line is in reverse order, in that the dependencies of a
    * library are listed before the library itself.
    */
-  void Emit( const LibraryID lib,
-             const DependencyMap& dep_map,
-             std::set<LibraryID>& emitted,
-             std::set<LibraryID>& visited,
-             DependencyList& link_line);
+  void EmitForVS6( const LibraryID lib,
+                   const DependencyMap& dep_map,
+                   std::set<LibraryID>& emitted,
+                   std::set<LibraryID>& visited,
+                   DependencyList& link_line);
 
   /**
    * Finds the dependencies for \a lib and inserts them into \a
    * dep_map.
    */
-  void GatherDependencies( const cmMakefile& mf,
-                           const LibraryID& lib,
-                           DependencyMap& dep_map);
+  void GatherDependenciesForVS6( const cmMakefile& mf,
+                                 const LibraryID& lib,
+                                 DependencyMap& dep_map);
 
-  void AnalyzeLibDependencies( const cmMakefile& mf );
+  void AnalyzeLibDependenciesForVS6( const cmMakefile& mf );
+#endif
 
   const char* GetSuffixVariableInternal(bool implib) const;
   const char* GetPrefixVariableInternal(bool implib) const;
@@ -720,9 +725,11 @@ private:
   std::vector<cmCustomCommand> PreLinkCommands;
   std::vector<cmCustomCommand> PostBuildCommands;
   TargetType TargetTypeValue;
-  LinkLibraryVectorType LinkLibraries;
   LinkLibraryVectorType PrevLinkedLibraries;
-  bool LinkLibrariesAnalyzed;
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  LinkLibraryVectorType LinkLibrariesForVS6;
+  bool LinkLibrariesForVS6Analyzed;
+#endif
   std::vector<std::string> LinkDirectories;
   std::set<std::string> LinkDirectoriesEmmitted;
   bool HaveInstallRule;