[MacPorts] #58358: gimp 2.10.10 link issues on Leopard

[MacPorts]

#58358: gimp 2.10.10 link issues on Leopard
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  Reporter:  rmottola  |      Owner:  dbevans
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  gimp2     |
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Comment (by rmottola):

 I added this to my Portfile (the NM part):

 {{{
 configure.env       CC_FOR_BUILD=${configure.cc} \
                     NM=/opt/local/bin/nm
 }}}

 and it built (together with a small patch)

 However, I need to force clang as a compiler. GCC 6, which would be
 selected by default, has an issue with code because std99 is not enabled,
 so "int i" inside the for declaration is not accepted. So either you
 enable it somehow... or try clang which probably enables it by default.

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Ticket URL: <https://trac.macports.org/ticket/58358#comment:6>
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