On 28 September 2017 at 16:57, Chris Jones <[email protected]> wrote: > Hi, > > Thanks. In fact I tried adding > > PortGroup cxx11 1.1 > > but that gave me the error below. Presumably I am missiong something else ? > > clang: error: invalid library name in argument > '-stdlib=macports-libstdc++'
This means that the compiler is missing the necessary patch (introduced by Marcus). You need the variant +libstdcxx and clang-4.0 has that one enabled by default, while 3.9 doesn't. Mojca
