From 4c763dd1f1c922606660e275372cc6313ac42535 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 10 Jul 2014 16:06:36 -0400
Subject: cmTarget: Drop 'head' argument from GetLanguages

No call sites need it to be anything but 'this'.
---
 Source/cmTarget.cxx | 9 ++++-----
 Source/cmTarget.h   | 3 +--
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index d74c66b..e1ce4dd 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -5419,11 +5419,10 @@ cmTarget::GetObjectLibrariesCMP0026(std::vector<cmTarget*>& objlibs) const
 
 //----------------------------------------------------------------------------
 void cmTarget::GetLanguages(std::set<std::string>& languages,
-                            const std::string& config,
-                            cmTarget const* head) const
+                            const std::string& config) const
 {
   std::vector<cmSourceFile*> sourceFiles;
-  this->GetSourceFiles(sourceFiles, config, head);
+  this->GetSourceFiles(sourceFiles, config, this);
   for(std::vector<cmSourceFile*>::const_iterator
         i = sourceFiles.begin(); i != sourceFiles.end(); ++i)
     {
@@ -5459,7 +5458,7 @@ void cmTarget::GetLanguages(std::set<std::string>& languages,
   for(std::vector<cmTarget*>::const_iterator
       i = objectLibraries.begin(); i != objectLibraries.end(); ++i)
     {
-    (*i)->GetLanguages(languages, config, head);
+    (*i)->GetLanguages(languages, config);
     }
 }
 
@@ -6551,7 +6550,7 @@ cmTarget::ComputeLinkImplementationLanguages(const std::string& config,
   // This target needs runtime libraries for its source languages.
   std::set<std::string> languages;
   // Get languages used in our source files.
-  this->GetLanguages(languages, config, this);
+  this->GetLanguages(languages, config);
   // Copy the set of langauges to the link implementation.
   for(std::set<std::string>::iterator li = languages.begin();
       li != languages.end(); ++li)
diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index 908e4ba..d5fb5e8 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -491,8 +491,7 @@ public:
   // 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,
-                    cmTarget const* head = 0) const;
+                    std::string const& config) const;
 
   /** Return whether this target is an executable with symbol exports
       enabled.  */
-- 
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