[MacPorts] #63488: meson @0.59.1_1: not sorting out the proper build arch again on systems with 32 bit kernels

[MacPorts]

#63488: meson @0.59.1_1: not sorting out the proper build arch again on systems
with 32 bit kernels
--------------------------+--------------------
  Reporter:  RobK88       |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.7.1
Resolution:               |   Keywords:  lion
      Port:  dav1d meson  |
--------------------------+--------------------

Comment (by kencu):

 Our previous workaround method, still in the port, does not appear to be
 working any longer.

 We seem to be hitting the exception, and our subprocess.run is not
 completing successfully.

 {{{
 def detect_osx_arch() -> str:
     """
     per #6187, handle early Mac 64-bit Intel CPU with 64-bit OSX using a
 **32-bit kernel**
     testing this requires old MacOS and hardware, not easily available for
 cloud CI,
     so users needing this functionality may kindly need to help with
 debugging info.
     """
     try:
         ret = subprocess.run(['sysctl', '-n', 'hw.cpu64bit_capable'],
                              universal_newlines=True,
 stdout=subprocess.PIPE, stderr=subprocess.DEVNULL).stdout
         trial = 'x86_64' if ret.strip() == '1' else 'x86'
     except Exception:
 +         print("We hit the exception!")
         # very old MacOS version with implicit 32-bit CPU due to calling
 if-elif stack
         trial = 'x86'
     return trial
 }}}

 {{{
 Project version: 0.9.2
 C compiler for the host machine: ccache /opt/local/bin/clang-mp-9.0 (clang
 9.0.1 "clang version 9.0.1 ")
 C linker for the host machine: /opt/local/bin/clang-mp-9.0 ld64 127.2
 We hit the exception!
 We hit the exception!
 We hit the exception!
 Host machine cpu family: x86
 Host machine cpu: i386
 Run-time dependency threads found: YES
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/63488#comment:14>
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