[MacPorts] #36041: gimp2: build fails on 10.5.8 PPC

[MacPorts]

#36041: gimp2: build fails on 10.5.8 PPC
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  Reporter:  michael.klein@…  |      Owner:  devans@…
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.1.2
Resolution:                   |   Keywords:  powerpc
      Port:  gimp2            |
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Comment (by michael.klein@…):

 Replying to [comment:7 prynhart@…]:
 > I have hit this issue on 10.5.8 PPC.  Cruically, the "-faltivec" flag
 seems to work due to the following:
 > :info:build /usr/lib/gcc/powerpc-apple-
 darwin9/4.0.1/include/altivec.h:44:2: warning: #warning Ignoring
 <altivec.h> because "-faltivec" specified
 >
 > i.e. the compiler doesn't hit the bit of code that it's unhappy with.

 I think the warning can be safely ignored. It seems the preferred way to
 enable Altivec is to compile with "-maltivec" and include altivec.h, but
 compiling with "-faltivec" instead should do more or less the same.

 I compiled both gegl and gimp with -faltivec. I have no idea whether they
 make use of Altivec intrinsics, but it seems everything seems to work ok.

 > You might also need to build with +quartz +no_x11 -x11 to hit this
 issue.  (Can the OP confirm whether their variant.conf file has these
 options, or whether they're manually specifying quartz.)

 no, none of these variants is used here

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Ticket URL: <https://trac.macports.org/ticket/36041#comment:8>
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