jroelofs added inline comments. ================ Comment at: include/__config:742 @@ +741,3 @@ +#ifndef _LIBCPP_HAS_NO_THREADS +# if defined(__FreeBSD__) || \ + defined(__NetBSD__) || \ ---------------- espositofulvio wrote: > jroelofs wrote: > > jroelofs wrote: > > > @espositofulvio: @ed meant this: > > > > > > ``` > > > #ifndef _WIN32 > > > # include <unistd.h> > > > # if _POSIX_THREADS > 0 > > > ... > > > # endif > > > #endif > > > ``` > > > > > > Which //is// the correct way to test for this. > > That being said, there have been discussions before about whether or not we > > should #include <unistd.h> in <__config>, with the conclusion being that we > > shouldn't. > > > > It would be better if this were a CMake configure-time check that sets > > _LIBCPP_THREAD_API, rather than these build-time guards. > Tried adding that as configure time checks, but then libcxxabi fails to > compile because of the guard in __config to check that _LIBCPP_THREAD_API has > beed defined when _LIBCPP_HAS_NO_THREADS is not. > > As a side note: Is Windows the only OS which hasn't got unistd.h? > Tried adding that as configure time checks...
Can you put the patch for that up on gist.github.com, or a pastebin?... I'll take a look. > As a side note: Is Windows the only OS which hasn't got unistd.h? For the platforms libcxx currently builds on, yes. Repository: rL LLVM http://reviews.llvm.org/D11781 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
