From 021da14dac8d3841c47ad742f84f2f1dc96448f6 Mon Sep 17 00:00:00 2001
From: Stuart Hastings <stuart@apple.com>
Date: Thu, 16 Jul 2009 16:49:11 +0000
Subject: [PATCH] In an Apple-style build, compile with llvm-gcc/llvm-g++ if
 available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76080 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/buildit/build_llvm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/utils/buildit/build_llvm b/utils/buildit/build_llvm
index eac68b4f572..e574ff76ca4 100755
--- a/utils/buildit/build_llvm
+++ b/utils/buildit/build_llvm
@@ -56,8 +56,11 @@ DIR=`pwd`
 DARWIN_VERS=`uname -r | sed 's/\..*//'`
 echo DARWIN_VERS = $DARWIN_VERS
 
-# If the user has CC set in their environment unset it now
-unset CC
+# If we can find an LLVM-GCC, prefer it.
+export CC=/Developer/usr/bin/llvm-gcc
+if [ ! -x $CC ] ; then unset CC ; fi
+export CXX=/Developer/usr/bin/llvm-g++
+if [ ! -x $CXX ] ; then unset CXX ; fi
 
 DT_HOME=$DEST_DIR/Developer/usr
 DEST_ROOT="/Developer$DEST_ROOT"