Don't install Clang libraries.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79824 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Makefile b/lib/Driver/Makefile
index d163f0f..b709436 100644
--- a/lib/Driver/Makefile
+++ b/lib/Driver/Makefile
@@ -12,6 +12,8 @@
 BUILD_ARCHIVE = 1
 CXXFLAGS = -fno-rtti
 
+# Don't install Clang libraries
+NO_INSTALL = 1
 
 include $(LEVEL)/Makefile.common