[MacPorts] #62694: libgcc-devel, fail to build in BigSur 11.2 by (11_arm64) :info:build Bootstrap comparison failure!

[MacPorts]

#62694: libgcc-devel, fail to build  in BigSur 11.2 by (11_arm64) :info:build
Bootstrap comparison failure!
---------------------------+--------------------
  Reporter:  ecb2c         |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  libgcc-devel  |
---------------------------+--------------------

Comment (by ecb2c):

 libgcc-devel looks fine, no files and ports are broken.
 by the way, I've seen something weird shown in screen capture attached
 below, for ~ 30mins during re-installing FFTW-3 again.
 could you show me the normal installation for FFTW-3 ?

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Ticket URL: <https://trac.macports.org/ticket/62694#comment:7>
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