diff options
author | Jonathan Roelofs <jonathan@codesourcery.com> | 2014-09-05 19:45:05 +0000 |
---|---|---|
committer | Jonathan Roelofs <jonathan@codesourcery.com> | 2014-09-05 19:45:05 +0000 |
commit | b3fcc67f8f13cd95d36ed29d0ae1308decb9e099 (patch) | |
tree | 0c01716be284ed8200fde073b145887bea7b4508 /libcxx/include/future | |
parent | d3e121331bafa274b654bf2e1691cde628b7ff55 (diff) | |
download | bcm5719-llvm-b3fcc67f8f13cd95d36ed29d0ae1308decb9e099.tar.gz bcm5719-llvm-b3fcc67f8f13cd95d36ed29d0ae1308decb9e099.zip |
Allow libc++ to be built on systems without POSIX threads
If you're crazy enough to want this sort of thing, then add
-D_LIBCPP_HAS_NO_THREADS to your CXXFLAGS and
--param=additiona_features=libcpp-has-no-threads to your lit commnad line.
http://reviews.llvm.org/D3969
llvm-svn: 217271
Diffstat (limited to 'libcxx/include/future')
-rw-r--r-- | libcxx/include/future | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libcxx/include/future b/libcxx/include/future index de00f25d7fb..7cd88cb726b 100644 --- a/libcxx/include/future +++ b/libcxx/include/future @@ -374,6 +374,10 @@ template <class R, class Alloc> struct uses_allocator<packaged_task<R>, Alloc>; #pragma GCC system_header #endif +#ifndef _LIBCPP_HAS_NO_THREADS +#error <future> is not supported on this single threaded system +#else // !_LIBCPP_HAS_NO_THREADS + _LIBCPP_BEGIN_NAMESPACE_STD //enum class future_errc @@ -2612,4 +2616,6 @@ future<void>::share() _LIBCPP_END_NAMESPACE_STD +#endif // !_LIBCPP_HAS_NO_THREADS + #endif // _LIBCPP_FUTURE |