Allow the Makefile build system to find the extra repo if it is checked
out.

Unfortunately, the existing makefiles for the extra repo don't specify
the correct library dependencies. Fixing that next. If you're following
along, you'll get linker errors.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161549 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed