From bd5ea6993c8376cd3612100019e15ee256a758d8 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 15 Feb 2017 10:36:56 -0500
Subject: cmVisualStudioGeneratorOptions: Add PrependInerhitedString method

---
 Source/cmVisualStudioGeneratorOptions.cxx | 11 +++++++++++
 Source/cmVisualStudioGeneratorOptions.h   |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/Source/cmVisualStudioGeneratorOptions.cxx b/Source/cmVisualStudioGeneratorOptions.cxx
index 6bacfa1..f8de3f8 100644
--- a/Source/cmVisualStudioGeneratorOptions.cxx
+++ b/Source/cmVisualStudioGeneratorOptions.cxx
@@ -211,6 +211,17 @@ void cmVisualStudioGeneratorOptions::ParseFinish()
   }
 }
 
+void cmVisualStudioGeneratorOptions::PrependInheritedString(
+  std::string const& key)
+{
+  std::map<std::string, FlagValue>::iterator i = this->FlagMap.find(key);
+  if (i == this->FlagMap.end() || i->second.size() != 1) {
+    return;
+  }
+  std::string& value = i->second[0];
+  value = "%(" + key + ") " + value;
+}
+
 void cmVisualStudioGeneratorOptions::StoreUnknownFlag(const char* flag)
 {
   // Look for Intel Fortran flags that do not map well in the flag table.
diff --git a/Source/cmVisualStudioGeneratorOptions.h b/Source/cmVisualStudioGeneratorOptions.h
index 3a53ff5..ee9d0a5 100644
--- a/Source/cmVisualStudioGeneratorOptions.h
+++ b/Source/cmVisualStudioGeneratorOptions.h
@@ -47,6 +47,8 @@ public:
   void Parse(const char* flags);
   void ParseFinish();
 
+  void PrependInheritedString(std::string const& key);
+
   // Fix the ExceptionHandling option to default to off.
   void FixExceptionHandlingDefault();
 
-- 
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