Chris Bieneman 22f7a63da6 [CMake] Cleanup ExternalProject usage of CMake 3.x features
All the ExternalProject features in use here are supported by CMake 3.4.3, so we don't need these version checks anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272327 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-09 22:41:36 +00:00
..

See docs/CMake.html for instructions on how to build LLVM with CMake.