Teach the VCS detection to set some root-level variables with the raw
revision and git commit data extracted. This will be used in the Clang
CMake build to avoid trying to re-detect the information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146324 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed