[MacPorts] #72428: legacy-support header error with C90: LegacySupport/dirent.h: error: expected '; ' before 'int'

[MacPorts]

#72428: legacy-support header error with C90: LegacySupport/dirent.h: error:
expected ';' before 'int'
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  Reporter:  barracuda156    |      Owner:  (none)
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  legacy-support  |    Version:  2.10.5
Resolution:                  |   Keywords:
      Port:                  |
-----------------------------+--------------------

Comment (by barracuda156):

 Replying to [comment:8 fhgwright]:
 > BTW, although `-std=c89` and `-std=c90` have the same effect in general
 (including for this issue), GCC 4.2 understands `-std=c89` but not
 `-std=c90`, making the latter a bad choice for old platforms.

 Thank you, good to know. (Inconsequential for this particular port, since
 it needs modern C++, and therefore cannot use Xcode gcc anyway.)

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Ticket URL: <https://trac.macports.org/ticket/72428#comment:9>
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