[MacPorts] #61468: Selecting gcc as system default does not work on macOS 11.0 Big Sur

[MacPorts]

#61468: Selecting gcc as system default does not work on macOS 11.0 Big Sur
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  Reporter:  smeingast         |      Owner:  (none)
      Type:  defect            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:
Resolution:                    |   Keywords:
      Port:  gcc10 gcc_select  |
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Comment (by smeingast):

 Replying to [comment:5 jmroot]:
 > Just to be completely sure, there's no other location where a gcc or
 python could be found in your PATH before /opt/local/bin?

 AHH, gotcha, that was the hint I needed!! Indeed, the order individual
 directories were set up in PATH was different, so that /usr/bin/ was
 checked AFTER /opt/local/bin/. Why? Because I used .zshenv instead of
 .zprofile and for some reason .zshenv puts the included exports for PATH
 after those defined by the system, so PATH startet with
 /usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/Library/Apple/usr/bin:/opt/local/bin:/opt/local/sbin.
 I now switched back to use .zprofile and the PATH is set up correctly
 again with /opt/local/bin (etc.) in front! Thanks so much, I learned
 something today!! :)

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Ticket URL: <https://trac.macports.org/ticket/61468#comment:6>
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