On May 26, 2018, at 14:38, Ken Cunningham wrote: > On May 26, 2018, at 12:27 PM, Ryan Schmidt wrote: > >> The error occurs when there is a mismatch between which C++ standard library >> a port says it uses (by setting configure.cxx_stdlib, or by leaving it set >> to its default value) and which C++ standard library it actually links with. > > Right. > > Indeed I did not realize that each and every portfile would be examined for > cxx_stdlib overrides for each different system configuration, and that would > be integrated into the check mechanism for the build. > > So if he had wanted to (and assuming the linkages worked out), Zero could > have also just as correctly put > > configure.cxx_stdlib libstdc++ > > into his unar portfile, and left things alone.
Yes, if unar does not link with any C++ libraries, and does not provide any C++ libraries, that would also be fine.
