[MacPorts] #64264: glib2 fails for PowerPC (ppc, ppc64 and universal)

[MacPorts]

#64264: glib2 fails for PowerPC (ppc, ppc64 and universal)
---------------------------+-------------------------------------
  Reporter:  barracuda156  |      Owner:  ryandesign
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:  PowerPC, Leopard, ppc64
      Port:  glib2         |
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Comment (by ryandesign):

 I won't be updating glib2 to newer major versions yet after all, since
 I've found a comment that doing so might break something about gimp2, but
 I haven't found out any more about that yet.

 You're reporting two separate issues in this ticket:

 1. single-arch ppc and ppc64 builds fail with `dyld: Symbol not found:
 _UCNV_TO_U_CALLBACK_STOP_67 Referenced from:
 /opt/local/lib/libxml2.2.dylib`. `_UCNV_TO_U_CALLBACK_STOP_67` is supposed
 to be provided by icu 67, I think. What's the output of `port -v installed
 icu libxml2` and `lipo -info
 /opt/local/lib/lib{icudata,icui18n,icuuc,xml2}.dylib` and `otool -L
 /opt/local/lib/lib{icudata,icui18n,icuuc,xml2}.dylib`? I want to make sure
 that libxml2 and icu are installed for the right architectures and that
 libxml2 does link with the icu libraries.
 2. universal ppc ppc64 builds fail with `Cannot find specified cross file:
 ppc64-darwin`. This relates to the fact that glib2, along with countless
 other projects, have decided for some reason to switch to the immature new
 meson build system which has some trouble with universal builds. See
 #59864, #62498. I don't have a solution for you. Complain to the
 developers of glib2 for switching to a build system that doesn't work.
 Complain to the developers of meson for introducing a build system that
 doesn't work. If you have a solution, please provide it. Maybe it is as
 simple as creating a "cross file", whatever that is, for ppc64-darwin, if
 you can figure out how and where to do that.

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Ticket URL: <https://trac.macports.org/ticket/64264#comment:3>
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