cmGeneratorTarget: Move GetLanguages from cmTarget.

Source/cmGeneratorTarget.cxx

@@ -4415,6 +4415,57 @@ cmGeneratorTarget::GetLinkImplementation(const std::string& config) const
   return &impl;
 }
 
+//----------------------------------------------------------------------------
+void cmGeneratorTarget::GetLanguages(std::set<std::string>& languages,
+                            const std::string& config) const
+{
+  std::vector<cmSourceFile*> sourceFiles;
+  this->Target->GetSourceFiles(sourceFiles, config);
+  for(std::vector<cmSourceFile*>::const_iterator
+        i = sourceFiles.begin(); i != sourceFiles.end(); ++i)
+    {
+    const std::string& lang = (*i)->GetLanguage();
+    if(!lang.empty())
+      {
+      languages.insert(lang);
+      }
+    }
+
+  std::vector<cmGeneratorTarget*> objectLibraries;
+  std::vector<cmSourceFile const*> externalObjects;
+  if (!this->Makefile->IsConfigured())
+    {
+    std::vector<cmTarget*> objectTargets;
+    this->Target->GetObjectLibrariesCMP0026(objectTargets);
+    objectLibraries.reserve(objectTargets.size());
+    for (std::vector<cmTarget*>::const_iterator it = objectTargets.begin();
+         it != objectTargets.end(); ++it)
+      {
+      objectLibraries.push_back(this->GlobalGenerator
+                                ->GetGeneratorTarget(*it));
+      }
+    }
+  else
+    {
+    this->GetExternalObjects(externalObjects, config);
+    for(std::vector<cmSourceFile const*>::const_iterator
+          i = externalObjects.begin(); i != externalObjects.end(); ++i)
+      {
+      std::string objLib = (*i)->GetObjectLibrary();
+      if (cmTarget* tgt = this->Makefile->FindTargetToUse(objLib))
+        {
+        objectLibraries.push_back(this->GlobalGenerator
+                                  ->GetGeneratorTarget(tgt));
+        }
+      }
+    }
+  for(std::vector<cmGeneratorTarget*>::const_iterator
+      i = objectLibraries.begin(); i != objectLibraries.end(); ++i)
+    {
+    (*i)->GetLanguages(languages, config);
+    }
+}
+
 //----------------------------------------------------------------------------
 void cmGeneratorTarget::ComputeLinkImplementationLanguages(
   const std::string& config,
@@ -4423,7 +4474,7 @@ void cmGeneratorTarget::ComputeLinkImplementationLanguages(
   // This target needs runtime libraries for its source languages.
   std::set<std::string> languages;
   // Get languages used in our source files.
-  this->Target->GetLanguages(languages, config);
+  this->GetLanguages(languages, config);
   // Copy the set of langauges to the link implementation.
   impl.Languages.insert(impl.Languages.begin(),
                         languages.begin(), languages.end());

Source/cmGeneratorTarget.h

@@ -205,6 +205,14 @@ public:
                                           cmOptionalLinkImplementation& impl
                                           ) const;
 
+  // Compute the set of languages compiled by the target.  This is
+  // computed every time it is called because the languages can change
+  // when source file properties are changed and we do not have enough
+  // information to forward these property changes to the targets
+  // until we have per-target object file properties.
+  void GetLanguages(std::set<std::string>& languages,
+                    std::string const& config) const;
+
   bool HaveBuildTreeRPATH(const std::string& config) const;
 
   /** Full path with trailing slash to the top-level directory

Source/cmGlobalUnixMakefileGenerator3.cxx

@@ -1134,7 +1134,8 @@ bool cmGlobalUnixMakefileGenerator3
 ::NeedRequiresStep(cmTarget const& target)
 {
   std::set<std::string> languages;
-  target.GetLanguages(languages,
+  cmGeneratorTarget* gtgt = this->GetGeneratorTarget(&target);
+  gtgt->GetLanguages(languages,
                 target.GetMakefile()->GetSafeDefinition("CMAKE_BUILD_TYPE"));
   for(std::set<std::string>::const_iterator l = languages.begin();
       l != languages.end(); ++l)

Source/cmGlobalVisualStudioGenerator.cxx

@@ -836,6 +836,8 @@ void RegisterVisualStudioMacros(const std::string& macrosFile,
 bool
 cmGlobalVisualStudioGenerator::TargetIsFortranOnly(cmTarget const& target)
 {
+  cmGeneratorTarget* gt = this->GetGeneratorTarget(&target);
+
   // check to see if this is a fortran build
   std::set<std::string> languages;
   {
@@ -846,7 +848,7 @@ cmGlobalVisualStudioGenerator::TargetIsFortranOnly(cmTarget const& target)
     return false;
     }
   }
-  target.GetLanguages(languages, "");
+  gt->GetLanguages(languages, "");
   if(languages.size() == 1)
     {
     if(*languages.begin() == "Fortran")

Source/cmGlobalXCodeGenerator.cxx

@@ -1805,7 +1805,8 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
 
   // Compute the compilation flags for each language.
   std::set<std::string> languages;
-  target.GetLanguages(languages, configName);
+  cmGeneratorTarget *gtgt = this->GetGeneratorTarget(&target);
+  gtgt->GetLanguages(languages, configName);
   std::map<std::string, std::string> cflags;
   for (std::set<std::string>::iterator li = languages.begin();
        li != languages.end(); ++li)
@@ -1827,7 +1828,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
       AddCompileOptions(flags, &target, lang, configName);
     }
 
-  cmGeneratorTarget *gtgt = this->GetGeneratorTarget(&target);
   std::string llang = gtgt->GetLinkerLanguage(configName);
   if(binary && llang.empty())
     {

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -1257,7 +1257,9 @@ cmLocalUnixMakefileGenerator3
     {
     // Get the set of source languages in the target.
     std::set<std::string> languages;
-    target.GetLanguages(languages,
+    cmGeneratorTarget *gtgt =
+        this->GlobalGenerator->GetGeneratorTarget(&target);
+    gtgt->GetLanguages(languages,
                       this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
     fout << "\n"
          << "# Per-language clean rules from dependency scanning.\n"

Source/cmMakefileTargetGenerator.cxx

@@ -276,7 +276,7 @@ void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
 {
   // write language flags for target
   std::set<std::string> languages;
-  this->Target->GetLanguages(languages,
+  this->GeneratorTarget->GetLanguages(languages,
                       this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
   // put the compiler in the rules.make file so that if it changes
   // things rebuild

Source/cmTarget.cxx

@@ -3130,50 +3130,6 @@ cmTarget::GetObjectLibrariesCMP0026(std::vector<cmTarget*>& objlibs) const
     }
 }
 
-//----------------------------------------------------------------------------
-void cmTarget::GetLanguages(std::set<std::string>& languages,
-                            const std::string& config) const
-{
-  std::vector<cmSourceFile*> sourceFiles;
-  this->GetSourceFiles(sourceFiles, config);
-  for(std::vector<cmSourceFile*>::const_iterator
-        i = sourceFiles.begin(); i != sourceFiles.end(); ++i)
-    {
-    const std::string& lang = (*i)->GetLanguage();
-    if(!lang.empty())
-      {
-      languages.insert(lang);
-      }
-    }
-
-  std::vector<cmTarget*> objectLibraries;
-  std::vector<cmSourceFile const*> externalObjects;
-  if (!this->Makefile->IsConfigured())
-    {
-    this->GetObjectLibrariesCMP0026(objectLibraries);
-    }
-  else
-    {
-    cmGeneratorTarget* gt = this->Makefile->GetGlobalGenerator()
-                                ->GetGeneratorTarget(this);
-    gt->GetExternalObjects(externalObjects, config);
-    for(std::vector<cmSourceFile const*>::const_iterator
-          i = externalObjects.begin(); i != externalObjects.end(); ++i)
-      {
-      std::string objLib = (*i)->GetObjectLibrary();
-      if (cmTarget* tgt = this->Makefile->FindTargetToUse(objLib))
-        {
-        objectLibraries.push_back(tgt);
-        }
-      }
-    }
-  for(std::vector<cmTarget*>::const_iterator
-      i = objectLibraries.begin(); i != objectLibraries.end(); ++i)
-    {
-    (*i)->GetLanguages(languages, config);
-    }
-}
-
 //----------------------------------------------------------------------------
 cmTarget::ImportInfo const*
 cmTarget::GetImportInfo(const std::string& config) const

Source/cmTarget.h

@@ -305,14 +305,6 @@ public:
       If no macro should be defined null is returned.  */
   const char* GetExportMacro() const;
 
-  // Compute the set of languages compiled by the target.  This is
-  // computed every time it is called because the languages can change
-  // when source file properties are changed and we do not have enough
-  // information to forward these property changes to the targets
-  // until we have per-target object file properties.
-  void GetLanguages(std::set<std::string>& languages,
-                    std::string const& config) const;
-
   /** Return whether this target is an executable with symbol exports
       enabled.  */
   bool IsExecutableWithExports() const;