[MacPorts] #63147: mpich-gcc9: misleading error message on arm

[MacPorts]

#63147: mpich-gcc9: misleading error message on arm
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  Reporter:  TheWrongGuy  |      Owner:  eborisch
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.7.1
Resolution:               |   Keywords:
      Port:  mpich        |
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Comment (by TheWrongGuy):

 I see! I have to check this with our devs, maybe we can change this.
 However I found out now that instead of fiddeling around with the
 macports.conf and Rosetta 2, leaving the macports.conf at default and just
 starting the Terminal with Rosetta 2 seems to let me install mpich-gcc9.
 However I don't understand why setting the evironment to x86 results in a
 wrong package name being fetched. Thank you guys for the quick help! I
 will talk to the others to find out if we have to use Rosetta 2 emulated
 ports or if we can use the suggested one.

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Ticket URL: <https://trac.macports.org/ticket/63147#comment:5>
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