[MacPorts] #63899: gcc10: dyld: Library not loaded: @rpath/libgfortran.5.dylib

[MacPorts]

#63899: gcc10: dyld: Library not loaded: @rpath/libgfortran.5.dylib
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  Reporter:  mdekauwe  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  gcc10     |
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Comment (by cjones051073):

 The simple fact is there currently is no official release of gcc that
 supports apple silicon. Gcc11 has some patches that are supposed to work,
 but we have had issues with them. Gcc-devel has generally worked better
 but this is a rolling release, that builds gcc snapshots and thus changes
 regularly. It also uses different sources of intel and arm as currently
 the mainstream gcc snapshots still do not have support folded in, so we
 use a separate branch maintained by the primary gcc darwin lead. But
 still, it is never a proper prelease just a snapshot build so no
 guarantees  i am afraid.

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Ticket URL: <https://trac.macports.org/ticket/63899#comment:5>
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