From 71da30cae09d56a81fe43b8c65b9dfeea1d7dd06 Mon Sep 17 00:00:00 2001
From: Nils Gladitz <nilsgladitz@gmail.com>
Date: Mon, 6 Oct 2014 22:29:09 +0200
Subject: Ninja: Fix variable duplication in RSP rules

Stream clear() resets stream state but does not actually clear its content.
---
 Source/cmGlobalNinjaGenerator.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 543ecdb..f391203 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -205,7 +205,7 @@ void cmGlobalNinjaGenerator::WriteBuild(std::ostream& os,
       && args.size() + buildstr.size() + assignments.size()
                                                     > (size_t) cmdLineLimit) {
     buildstr += "_RSP_FILE";
-    variable_assignments.clear();
+    variable_assignments.str(std::string());
     cmGlobalNinjaGenerator::WriteVariable(variable_assignments,
                                           "RSP_FILE", rspfile, "", 1);
     assignments += variable_assignments.str();
-- 
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