cmake OPENMP_HAVE_WCAST_QUAL_FLAG examples

Lewuathe/mlir-hello thirdparty/llvm-project/openmp/cmake/config-ix.cmake :24

check_cxx_compiler_flag(-Wcast-qual OPENMP_HAVE_WCAST_QUAL_FLAG)

llvm-mirror/openmp cmake/config-ix.cmake :7

check_cxx_compiler_flag(-Wcast-qual OPENMP_HAVE_WCAST_QUAL_FLAG)