[MacPorts] #40988: gnudatalanguage does not build on Mavericks or later

[MacPorts]

#40988: gnudatalanguage does not build on Mavericks or later
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  Reporter:  jmurthy@…        |      Owner:  takeshi@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.2.0
Resolution:                   |   Keywords:  mavericks
      Port:  gnudatalanguage  |
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Comment (by takeshi@…):

 I could add gcc48 to default_variants that sets configure.compiler
 =macports-gcc-4.8, but I have a link problem against GraphicsMagick++.

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Ticket URL: <https://trac.macports.org/ticket/40988#comment:4>
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