[PATCH v4 01/18] perf build: Check LLVM version in feature check

2016-12-05 Thread Wang Nan
Cancel builtin llvm and clang support when LLVM version is less than 3.9.0: following commits uses newer API. Since Clang/LLVM's API is not guaranteed to be stable, add a test-llvm-version.cpp feature checker, issue warning if LLVM found in compiling environment is not tested yet. Signed-off-by:

Re: [PATCH v4 01/18] perf build: Check LLVM version in feature check

2016-12-05 Thread Wangnan (F)
On 2016/12/6 15:13, Wang Nan wrote: Cancel builtin llvm and clang support when LLVM version is less than 3.9.0: following commits uses newer API. Since Clang/LLVM's API is not guaranteed to be stable, add a test-llvm-version.cpp feature checker, issue warning if LLVM found in compiling environ