From 4afe6c26c66556827e6089982c49b8dea3a2efcb Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Tue, 17 Feb 2015 22:04:25 +0100
Subject: cmAlgorithms: Add cmReverseRange adaptor.

Use it to implement list(REVERSE).
---
 Source/cmAlgorithms.h    | 8 ++++++++
 Source/cmListCommand.cxx | 3 +--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Source/cmAlgorithms.h b/Source/cmAlgorithms.h
index d88de1e..b9bd67b 100644
--- a/Source/cmAlgorithms.h
+++ b/Source/cmAlgorithms.h
@@ -302,4 +302,12 @@ typename Range::const_iterator cmFindNot(Range const& r, T const& t)
                       std::bind1st(std::not_equal_to<T>(), t));
 }
 
+template<typename Range>
+ContainerAlgorithms::Range<typename Range::const_reverse_iterator>
+cmReverseRange(Range const& range)
+{
+  return ContainerAlgorithms::Range<typename Range::const_reverse_iterator>(
+      range.rbegin(), range.rend());
+}
+
 #endif
diff --git a/Source/cmListCommand.cxx b/Source/cmListCommand.cxx
index 0c6adfd..17617aa 100644
--- a/Source/cmListCommand.cxx
+++ b/Source/cmListCommand.cxx
@@ -390,8 +390,7 @@ bool cmListCommand
     return false;
     }
 
-  std::reverse(varArgsExpanded.begin(), varArgsExpanded.end());
-  std::string value = cmJoin(varArgsExpanded, ";");
+  std::string value = cmJoin(cmReverseRange(varArgsExpanded), ";");
 
   this->Makefile->AddDefinition(listName, value.c_str());
   return true;
-- 
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