From d59913f001b6eb74f9baf8bad183dc83d5e7bcd1 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Sun, 18 Jan 2015 15:59:03 +0100
Subject: Take computation out of loop.

---
 Source/cmLocalUnixMakefileGenerator3.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/cmLocalUnixMakefileGenerator3.cxx b/Source/cmLocalUnixMakefileGenerator3.cxx
index fbf2140..13c47c5 100644
--- a/Source/cmLocalUnixMakefileGenerator3.cxx
+++ b/Source/cmLocalUnixMakefileGenerator3.cxx
@@ -2393,11 +2393,13 @@ void cmLocalUnixMakefileGenerator3
     // On UNIX we must construct a single shell command to change
     // directory and build because make resets the directory between
     // each command.
+    std::string outputForExisting =
+                          this->ConvertToOutputForExisting(tgtDir, relRetDir);
     std::vector<std::string>::iterator i = commands.begin();
     for (; i != commands.end(); ++i)
       {
       std::string cmd = cd_cmd;
-      cmd += this->ConvertToOutputForExisting(tgtDir, relRetDir);
+      cmd += outputForExisting;
       cmd += " && ";
       cmd += *i;
       *i = cmd;
-- 
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