[MacPorts] #37479: apple-gcc42: update to 4.2.4

[MacPorts]

#37479: apple-gcc42: update to 4.2.4
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  Reporter:  tobias.netzel@…  |      Owner:  jeremyhu@…
      Type:  update           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:
      Port:  apple-gcc42      |
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Comment (by tobias.netzel@…):

 It seems (I haven't investigated) that Apple applied all bug fixes that
 still had happened under GPLv2 and made different fixes for other things
 (which I replaced with the official fixes). They definitely left out some
 important ones, which is why it is VERY helpful to merge them. And yes,
 the port would be GPLv3 then; the patch from gcc 4.2.1 to 4.2.2 changes
 all license headers to GPLv3
 However maybe one should create another port and deprecate this one in
 favor of the new one, in a manner that allows to install the original
 buggy one from Apple but warning the user that there is another one that
 has more bug fixes applied.

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Ticket URL: <https://trac.macports.org/ticket/37479#comment:4>
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