Use xcrun to find the right compiler when building llvmCore. <rdar://12801151>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173468 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/buildit/build_llvm b/utils/buildit/build_llvm
index 42f8af0ef4e84a34c6504130a64fa5ad4b1e41f3..c7777f83383a077f12cb8f36d83346b1f3b0be6a 100755 (executable)
--- a/utils/buildit/build_llvm
+++ b/utils/buildit/build_llvm
@@ -164,6 +164,9 @@ if [ "$ARM_HOSTED_BUILD" = yes ]; then
 else
 # not $ARM_HOSTED_BUILD
 
+  export CC=`xcrun -find clang`
+  export CXX=`xcrun -find clang++`
+
   if [ "$IOS_SIM_BUILD" = yes ]; then
     # Use a non-standard "darwin_sim" host triple to trigger a cross-build.
     configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \