[MacPorts] #65789: libgcc-devel @12-20220828_0+stdlib_flag build failure: use of undeclared identifier 'PTR'

[MacPorts]

#65789: libgcc-devel @12-20220828_0+stdlib_flag build failure: use of undeclared
identifier 'PTR'
---------------------------+-----------------------
  Reporter:  physicsbeany  |      Owner:  michaelld
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.2
Resolution:                |   Keywords:
      Port:  libgcc-devel  |
---------------------------+-----------------------

Comment (by michaelld):

 `libgcc-devel` builds for me on my Mac Mini M1 running macOS 11 latest. I
 do not have a macOS 12 build machine at this time. This port builds on the
 MacPorts build bots for both [https://build.macports.org/builders/ports-
 11_arm64-builder/builds/64167 macOS 11] and
 [https://build.macports.org/builders/ports-12_arm64-builder/builds/61917
 12]. I honestly can't say what the issue might be; never seen this one
 before!

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Ticket URL: <https://trac.macports.org/ticket/65789#comment:6>
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