Install clang-cc to libexec/clang-cc (instead of bin/clang-cc).
 - Updated ccc & driver to look in libexec/ for tools.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67607 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/Makefile b/tools/clang-cc/Makefile
index 4539665..d86ce7e 100644
--- a/tools/clang-cc/Makefile
+++ b/tools/clang-cc/Makefile
@@ -25,4 +25,8 @@
            clangFrontend.a clangAST.a clangParse.a clangLex.a		\
            clangBasic.a 
 
+# clang-cc lives in a special location; we can get away with this
+# because nothing else gets installed from here.
+PROJ_bindir := $(DESTDIR)$(PROJ_prefix)/libexec
+
 include $(LLVM_SRC_ROOT)/Makefile.rules