Notify extra generators about languages

Some generators can use the any enabled languages to add extra support
in the relevant build tool. One such is Eclipse since there are many
plugins available for various languages.

3 files changed, 13 insertions, 0 deletions

diff --git a/Source/cmExternalMakefileProjectGenerator.cxx b/Source/cmExternalMakefileProjectGenerator.cxx
index 9c965cc24a..0d42c35957 100644
--- a/Source/cmExternalMakefileProjectGenerator.cxx
+++ b/Source/cmExternalMakefileProjectGenerator.cxx
@@ -13,6 +13,12 @@
 
 #include "cmExternalMakefileProjectGenerator.h"
 
+void cmExternalMakefileProjectGenerator
+::EnableLanguage(std::vector<std::string> const&,
+                 cmMakefile *, bool)
+{
+}
+
 std::string cmExternalMakefileProjectGenerator::CreateFullGeneratorName(
                                                    const char* globalGenerator,
                                                    const char* extraGenerator)
diff --git a/Source/cmExternalMakefileProjectGenerator.h b/Source/cmExternalMakefileProjectGenerator.h
index 182c1a8f6f..bce441dba2 100644
--- a/Source/cmExternalMakefileProjectGenerator.h
+++ b/Source/cmExternalMakefileProjectGenerator.h
@@ -41,6 +41,8 @@ public:
   /** Get the documentation entry for this generator.  */
   virtual void GetDocumentation(cmDocumentationEntry& entry,
                                 const char* fullName) const = 0;
+  virtual void EnableLanguage(std::vector<std::string> const& languages,
+                              cmMakefile *, bool optional);
 
   ///! set the global generator which will generate the makefiles
   virtual void SetGlobalGenerator(cmGlobalGenerator* generator)
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 65a7118afe..56db0ef30a 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -695,6 +695,11 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
     {
     mf->ReadListFile(0,projectCompatibility.c_str());
     }
+  // Inform any extra generator of the new language.
+  if (this->ExtraGenerator)
+    {
+    this->ExtraGenerator->EnableLanguage(languages, mf, false);
+    }
 
   if(fatalError)
     {