[MacPorts] #48522: ifeffit, p5-ifeffit, pgplot: add gcc5 variant

[MacPorts]

#48522: ifeffit, p5-ifeffit, pgplot: add gcc5 variant
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  Reporter:  ryandesign@…                 |      Owner:  joe.fowler@…
      Type:  enhancement                  |     Status:  new
  Priority:  Normal                       |  Milestone:
 Component:  ports                        |    Version:
Resolution:                               |   Keywords:
      Port:  ifeffit, p5-ifeffit, pgplot  |
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Comment (by devans@…):

 Replying to [comment:1 ryandesign@…]:
 > Comments in the port say the same change would need to be made
 simultaneously in p5-ifeffit and pgplot.

 Yes, they all need to be built and linked with the same
 compiler/libraries.  In addition, the Makefile.PL used to build
 p5-ifeffit (which is compiler specific) is autogenerated during the build
 of ifeffit.

 It would probably be a simplification to unify ifeffit and p5-ifeffit.

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Ticket URL: <https://trac.macports.org/ticket/48522#comment:4>
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