> On Aug 1, 2016, at 01:58, Ryan Schmidt <ryandes...@macports.org> wrote: > > > On Aug 1, 2016, at 3:07 AM, Jeremy Huddleston Sequoia wrote: >> >> On Jul 31, 2016, at 23:49, Ryan Schmidt wrote: >>> >>> ld: warning: ignoring file /usr/lib/libc++.dylib, file was built for >>> unsupported file format ( 0xcf 0xfa 0xed 0xfe 0x 7 0x 0 0x 0 0x 1 0x 3 0x 0 >>> 0x 0 0x 0 0x 6 0x 0 0x 0 0x 0 ) which is not the architecture being linked >>> (i386): /usr/lib/libc++.dylib >>> >>> libcxx needs to be installed with the universal variant prior to this step. >>> I still think it would be a good idea if we made the libcxx port install >>> with the universal variant automatically since not having it installed >>> universal will cause problems like these. >> >> Oh... because i386 is default on SL and cmake is likely not including -arch >> x86_64 ... ? >> >> That sounds like a cmake bug, but we should figure out a good workaround. > > No no, the cmake portgroup (which libomp uses) sets architectures correctly, > and x86_64 is the default on Snow Leopard and later.
Ah right. I forgot when we made that switch. I remember hitting a ton of issues in cmake when trying to make x86_64 default on Leopard and thought this was that. > But if you want to install a C++-using port universal, libcxx will need to be > universal, and MacPorts won't ensure that because libcxx isn't listed as a > dependency of every C++-using port. And libomp is being built universal > because its universal variant defaults to on, which was done because of > https://trac.macports.org/ticket/50511 > >> libcxx depends on libcxxabi which depends on libunwind and libmacho. We'd >> need to force all four to build +universal for that. >> >> r150880 > > Oh of course, I didn't see the dependencies because I was looking at the port > on a newer OS. Thanks, this should help. Pat, did that work? Because it's a default variant, you'll need to force libcxx to +universal with something like this: sudo port -v -s upgrade --enforce-variants libcxx +universal
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