see also <https://trac.macports.org/ticket/54766> On 2017-09-06, at 9:44 AM, <mf2k at macports.org> <mf2k at macports.org> wrote: > Is there a reason that clang-4.0 +libstdcxx (the default) requires gcc6? I am switching to gcc7 and would like to not depend gcc6 anymore. The same is true for clang-5.0. > > > Cheers! > Frank >