[MacPorts] #59927: bison @3.5 does not build with older gcc versions (gcc-4.2 and similar) because "#pragma GCC diagnostic not allowed inside functions"

[MacPorts]

#59927: bison @3.5 does not build with older gcc versions (gcc-4.2 and similar)
because "#pragma GCC diagnostic not allowed inside functions"
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  kencu
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:  fixed      |   Keywords:
      Port:  bison      |
------------------------+--------------------

Comment (by kencu):

 bit confusing... some google hits suggest redefining typedefs is allowed
 by gnu99, but the exact gcc and clang versions may handle the situation
 differently...

 will see if a clear understanding is possible...

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Ticket URL: <https://trac.macports.org/ticket/59927#comment:14>
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