[MacPorts] #58591: check @0.10.0 does not build on PPC Tiger, MacOSX 10.4.11, because of native void function unsetenv()

[MacPorts]

#58591: check @0.10.0 does not build on PPC Tiger, MacOSX 10.4.11, because of
native void function unsetenv()
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.4
Resolution:             |   Keywords:  tiger
      Port:  check      |
------------------------+--------------------

Comment (by kencu):

 legacysupport is not needed; just the define. wrap it in a darwin 8 block,
 and we're good to go.

 {{{
 platform darwin 8 {
     configure.cppflags-append -D__DARWIN_UNIX03
 }
 }}}

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Ticket URL: <https://trac.macports.org/ticket/58591#comment:4>
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