[MacPorts] #49764: babl @0.1.14 should not require clang-3.4

[MacPorts]

#49764: babl @0.1.14 should not require clang-3.4
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  Reporter:  braumann@…   |      Owner:  devans@…
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  powerpc
      Port:  babl         |
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Comment (by braumann@…):

 Thanks for paying attention to my suggestion. Since {{{gcc5}}} is
 available on macports, the situation for PPC has improved!

 Well, gimp2 presently cannot be built on PPC (10.5.8, Xcode 3.1.4) since
 unfortunately {{{webkit-gtk-2.0}}} does not build (I forgot why). To be
 honest, I also do not know why babl was installed on my system which I
 managed to upgrade recently (see above), it presently has no dependents.

 Anyway, there are a few ports requiring {{{clang-3.*}}} which in fact also
 can be built using {{{gcc5}}}. {{{clang-3.4}}} builds on PPC, but it is
 not functional! I leave it to you as expert(s) what mechanism is best to
 include {{{gcc5}}} as replacement for PPC. compiler.fallback is only
 effective if a certain required compiler, say {{{clang-3.*}}} is
 blacklisted for a certain platform?

 I am sure that not all ports requiring {{{clang-3.*}}} (and
 {{{llvm-3.*}}}) can be built using gcc5 on PPC, but e.g.
 {{{py27-gobject3}}} or {{{gnome-keyring}}} and {{{babl}}} and others can.

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Ticket URL: <https://trac.macports.org/ticket/49764#comment:6>
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