[MacPorts] #57848: p5.28 subport failures

[MacPorts]

#57848: p5.28 subport failures
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  Reporter:  mojca   |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:          |
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Comment (by mojca):

 Gnuplot fails because of the following code:
 {{{
 $common::cflags .= ' -DNO_MEMCPY' unless $Config{d_memcpy};
 $common::cflags .= ' -DHAVE_MEMCPY' if $Config{d_memcpy};
 }}}
 adding `-DNO_MEMCPY` to gnuplot compilation resulting in duplicate
 definition of `memcpy`. I'm not yet sure how/where to define that
 `d_memcpy`.

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Ticket URL: <https://trac.macports.org/ticket/57848#comment:4>
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