[PATCH] D21599: [Libcxx][MIPS] Use LLVM CheckAtomic.cmake module to figure out whether we need to link with libatomic.

[Nitesh Jain via cfe-commits]

nitesh.jain added a comment.

In http://reviews.llvm.org/D21599#481553, @dsanders wrote:

> What sets HAVE_CXX_LIBATOMICS64? I don't see a reference to LLVM's CheckAtomic.


The CheckAtomic.cmake module (http://reviews.llvm.org/D20896) in llvm will set  HAVE_CXX_LIBATOMICS64 if library exit and atomics work with it. This value then can be read from LLVM CMake cache.

F2156495: CMakeCache.txt <http://reviews.llvm.org/F2156495>


Repository:
  rL LLVM

http://reviews.llvm.org/D21599