From 61c472a287305490bef2047784d7670d8354cbf3 Mon Sep 17 00:00:00 2001
From: Gilles Khouzam <gillesk@microsoft.com>
Date: Wed, 30 Sep 2015 13:22:43 -0700
Subject: [PATCH] cmSystemTools: Add VersionCompareGreater helper

Wrap a call to VersionCompare with OP_GREATER in a signature suitable
for use with std::sort.
---
 Source/cmSystemTools.cxx | 8 ++++++++
 Source/cmSystemTools.h   | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index d3c1f16b9..2c5aa8a1a 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -2776,6 +2776,14 @@ bool cmSystemTools::VersionCompare(cmSystemTools::CompareOp op,
   return op == cmSystemTools::OP_EQUAL;
 }
 
+//----------------------------------------------------------------------------
+bool cmSystemTools::VersionCompareGreater(std::string const& lhs,
+                                          std::string const& rhs)
+{
+  return cmSystemTools::VersionCompare(
+    cmSystemTools::OP_GREATER, lhs.c_str(), rhs.c_str());
+}
+
 //----------------------------------------------------------------------------
 bool cmSystemTools::RemoveRPath(std::string const& file, std::string* emsg,
                                 bool* removed)
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index e88170a21..b6b09783a 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -294,6 +294,8 @@ public:
    * Compare versions
    */
   static bool VersionCompare(CompareOp op, const char* lhs, const char* rhs);
+  static bool VersionCompareGreater(std::string const& lhs,
+                                    std::string const& rhs);
 
   /**
    * Determine the file type based on the extension