[MacPorts] #68363: soxr @0.1.3_0 build problem

[MacPorts]

#68363: soxr @0.1.3_0 build problem
---------------------+--------------------
  Reporter:  ith140  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.8.1
Resolution:          |   Keywords:  sonoma
      Port:  soxr    |
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Comment (by kencu):

 when libomp is built with the +top_level variant, then openmp will be
 opportunistically found by soxr.

 However, Xcode clang doesn't know much about openmp, and although the
 -fopenmp flag is added to the build, the library is not added... you can
 manually add the openmp library to the build to fix that, inelegant, but
 works.

 The opensource clang knows what to do with openmp -- building soxr with
 macports-clang-17 works, even if libopenmp is installed with the
 +top_level variant, as the library is added.


 All of this requires attention to set up deterministically for builds that
 might or might not want openmp. If it is decided that soxr always should
 be built with openmp, then the build can be set up that way, and suitable
 compilers required.

 MacPorts has not fully explored how to do this correctly as yet. Some type
 of unifying approach for comprehensive openmp support is needed, where
 libraries can indicate to ports that request them that openmp is needed,
 etc.

 If you use libopenmp with the +top_level variant, it would not be
 surprising to run into similar issues with other ports, possibly quite
 frequently.

-- 
Ticket URL: <https://trac.macports.org/ticket/68363#comment:5>
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