[MacPorts] #36450: gmp dependency on m4? (was: gmp dependency on flex)

[MacPorts]

#36450: gmp dependency on m4?
---------------------+------------------------
  Reporter:  snc@…   |      Owner:  mcalhoun@…
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.1.99
Resolution:          |   Keywords:
      Port:  gmp     |
---------------------+------------------------
Changes (by snc@…):

 * cc: mww@… (added)


Comment:

 It looks like it was trying to use the not-installed `gm4` from MacPorts'
 m4. Only bison has a dependency on m4 and it's not installed, so that's
 possibly a missing dependency on flex's part?
 {{{
 configure:29083: checking for flex
 configure:29099: found /opt/local/bin/flex
 configure:29110: result: flex
 configure:29147: flex conftest.l
 flex: fatal internal error, exec of /opt/local/bin/gm4 failed
 flex: error writing output file lex.yy.c
 configure:29151: $? = 1
 configure:29153: checking lex output file root
 configure:29164: error: cannot find output from flex; giving up
 }}}

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Ticket URL: <https://trac.macports.org/ticket/36450#comment:1>
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