On 9 June 2015 at 06:19, Marc Glisse wrote: > On Mon, 8 Jun 2015, Edward Diener wrote: > >> I am looking for a way to check for C++14 support for the shared_mutex >> header in libstdc++ using preprocessor predefined macros. Is there a way to >> do this ? > > > // TODO: #define __cpp_lib_shared_mutex 201505 > > Soon, I believe it has to wait until sg10 approves of a name. That's for the C++17 std::shared_mutex type, rather than the C++14 <shared_mutex> header.