Dear Chris, On 28 September 2017 at 16:48, Chris Jones wrote: > Hi All, > > I am investigating some build failures, with port that are being built with > macports clang 3.9 What I am seeing is on some older systems, OSX10.(6,7,8) > failures like > > fatal error: 'atomic' file not found > #include <atomic> > > Is there any way around this?
You need to compile against libc++ (that is: with -stdlib=libc++). Or with the "cxx11 1.1" trick. Mojca
