[MacPorts] #55200: gmp @6.1.2 configure: error: cannot find output from flex; giving up

[MacPorts]

#55200: gmp @6.1.2 configure: error: cannot find output from flex; giving up
------------------------------+---------------------------------
  Reporter:  stefan-c-kremer  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:
      Port:  gmp              |
------------------------------+---------------------------------

Comment (by kencu):

 This strikes me as another example of the APFS race condition we've been
 seeing with gcc builds.

 Stefan, if you know how, could you try changing this in the portfile, and
 see if that works:

 {{{
 use_parallel_build  yes
 }}}
 to
 {{{
 use_parallel_build  no
 }}}

--
Ticket URL: <https://trac.macports.org/ticket/55200#comment:4>
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