From 13684e2b78bf273b20e6ea3acf9defe61e871327 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 2 Apr 2014 14:31:04 -0400
Subject: [PATCH] cmMakefile: Port PolicyOptionalWarningEnabled to string APIs

This method was added in a commit based on a release branch that
pre-dated the std::string API changes.  Port the implementation to use
the string APIs instead of c_str().
---
 Source/cmMakefile.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index b0ff2588c..621b8ee8b 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -4336,7 +4336,7 @@ bool cmMakefile::PolicyOptionalWarningEnabled(std::string const& var)
   // Check for an explicit CMAKE_POLICY_WARNING_CMP<NNNN> setting.
   if(!var.empty())
     {
-    if(const char* val = this->GetDefinition(var.c_str()))
+    if(const char* val = this->GetDefinition(var))
       {
       return cmSystemTools::IsOn(val);
       }