> On Jul 29, 2016, at 1:35 AM, Ken Cunningham
> <ken.cunningham.web...@gmail.com> wrote:
>
> Hi,
>
> There are many here smarter than me, but it would see your error is
> here:
>
>> /opt/local/bin/clang++-mp-3.3 -pipe -Os -stdlib=libc++ -arch i386
>> -mmacosx-version-min=10.6 -Wl,-search_paths_first
>> -Wl,-headerpad_max_install_names -L/opt/local/lib
>> -Wl,-headerpad_max_install_names
>> CMakeFiles/cmTC_70577.dir/testCXXCompiler.cxx.o -o cmTC_70577
>> 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
>
> You're building for -arch i386, but your libc++.dylib does not have
> that architecture (it's likely going to be x64_86) -- So somewhere
> ( probably in your macports.conf file, I would think) your
> architecture is not set correctly.
The libomp port is being installed +universal. Since it uses the muniversal-1.0
portgroup, MacPorts builds it for each architecture separately, then lipo(1)s
everything together at the end.
The problem is that the i386 build is trying to link to libc++, which in your
case appears to be provided by libcxx. But libomp does not declare a dependency
on libcxx, so MacPorts did not attempt to rebuild libcxx +universal. You may
have to do this yourself.
vq
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