[MacPorts] #68961: groff: update to 1.23.0 has broken the build with gcc 4.2:

[MacPorts]

#68961: groff: update to 1.23.0 has broken the build with gcc 4.2:
-------------------------+-------------------------------------------------
  Reporter:              |      Owner:  Schamschula
  barracuda156           |
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:              |   Keywords:  tiger, leopard, snowleopard,
      Port:  groff       |  powerpc
-------------------------+-------------------------------------------------

Comment (by barracuda156):

 Replying to [comment:1 Schamschula]:
 > Looks like it may be possible to fix that: something along the lines of
 https://github.com/redis/redis/issues/5394

 I guess it is safer just to remove them conditional on gcc-4.x. This way
 the code will be unmodified for everything else. (I have no idea if clangs
 define a version of __GNUC__ and if yes then which.)

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Ticket URL: <https://trac.macports.org/ticket/68961#comment:2>
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