Maybe, indeed.

I just realized my package installer (and my OpenSCAD application) are x86_64 
specific. And some 10.6.8 systems can't run that.

I have a lot to learn.

Ken




On 2016-07-30, at 6:16 PM, Ryan Schmidt wrote:

> 
>> On Jul 30, 2016, at 7:58 AM, [ftp83plus] wrote:
>> 
>>> El 29 jul 2016, a las 16:45, Lawrence Velázquez escribió:
>>> 
>>>> On Jul 29, 2016, at 1:35 AM, Ken Cunningham wrote:
>>>> 
>>>>> /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
>> 
>> So should I rebuild libcxx +universal variant first before performing Step 4 
>> of the LibcxxOnOlderSystems?
> 
> Jeremy, shouldn't we modify the LibcxxOnOlderSystems instructions to include 
> installing libcxx +universal?
> 

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