[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):

 Permissions thing?
 {{{
 4977    configure:27911: found /usr/bin/flex
 4978    configure:27922: result: flex
 4979    configure:27960: flex conftest.l
 4980    flex: error writing output file lex.yy.c
 4981    configure:27964: $? = 1
 4982    configure:27966: checking lex output file root
 4983    configure:27977: error: cannot find output from flex; giving up
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55200#comment:8>
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