[MacPorts] #67527: coreutils @9.3: tiger build error: signal.h: error: expected '=', ',', '; ', 'asm' or '__attribute__' before 'mcontext64_t'

[MacPorts]

#67527: coreutils @9.3: tiger build error: signal.h: error: expected '=', ',', ';',
'asm' or '__attribute__' before 'mcontext64_t'
---------------------------+----------------------
  Reporter:  barracuda156  |      Owner:  mascguy
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.1
Resolution:                |   Keywords:  tiger
      Port:  coreutils     |
---------------------------+----------------------

Comment (by evanmiller):

 I get the same failure on stock 10.4.11 / PPC.

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Ticket URL: <https://trac.macports.org/ticket/67527#comment:4>
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