[MacPorts] #50511: libomp: build fat library on x86_64 to provide i386 support

[MacPorts]

#50511: libomp: build fat library on x86_64 to provide i386 support
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  Reporter:  howarth.at.macports@…  |      Owner:  macports-tickets@…
      Type:  enhancement            |     Status:  closed
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:  2.3.4
Resolution:  wontfix                |   Keywords:
      Port:  libomp                 |
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Comment (by howarth.at.macports@…):

 Replying to [comment:7 jeremyhu@…]:
 > So given that, why doesn't libomp use the same mechanism as compiler_rt
 for determining the target architectures?  That seems like a more
 appropriate fix.

 The libomp build machinery was inherited from the original openmp project
 code which was a perl based build system. The fat libomp has always been
 built by compiling libomp twice into separate directories and then
 lipo'ing to sets of binaries together. I wouldn't be holding my breath to
 see this redesigned anytime soon as they have far more important things to
 do with openmp 4.5 support.

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Ticket URL: <https://trac.macports.org/ticket/50511#comment:9>
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