[MacPorts] #36497: qt4-mac @4.8.3_1 +quartz Unable to build on Tiger

[MacPorts]

#36497: qt4-mac @4.8.3_1 +quartz Unable to build on Tiger
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  Reporter:  ccarey@…  |      Owner:  michaelld@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.1.2
Resolution:            |   Keywords:  tiger
      Port:  q4-mac    |
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Comment (by ccarey@…):

 Replying to [comment:1 ryandesign@…]:
 > If qt 4.8 can't build on Tiger, our options would be: […]

 Even if Qt 4.8 can't be brought to Tiger, I would hope that {{{qt4-mac
 4.7.4_1}}} would remain available for building on Tiger. (Does your third
 option above allow that?) Ideally the 4.7 “branch” (is that the proper
 terminology within MacPorts?) would continue to receive select updates
 afterwards, e.g. implementation of a {{{+psql92}}} variant now that
 PostgreSQL 9.2 has been released.

 > […] Or if we can patch qt 4.8 to still build and work on Tiger, and
 that's not too much work, then of course we can do that.

 If Qt 4.8 can be brought to Tiger, all the better. I had interpreted the
 lack of all Qt 4.8 versions to date building cleanly on Tiger as a sign
 that it would be too much effort to keep it working on Tiger, which is why
 I’d suggested stopping {{{qt4-mac}}} on Tiger at 4.7. I’m not familiar
 with Core Text at all, and the current documentation indicates that most
 of the API was introduced in Leopard, so I wasn’t sure if Qt 4.8
 introduced changes which would require a large emulation layer to bring
 back to Tiger — whether Nokia’s dropping of Tiger’s Tier 2 status was
 simply a measure of convenience for them, or if they didn’t want to put in
 the effort of emulating “Leopardisms” within Tiger.

 > If the only reason you haven't attached a patch is that you can't get
 back to qt4-mac 4.7, then wiki:howto/InstallingOlderPort should help you
 do that.

 I wasn’t sure if patches to outdated versions of a particular port would
 still be welcomed. If they would be welcomed, then I’ll reïnstall 4.7.4_1
 and submit the patch for its {{{shadereffectitem.cpp}}} file.

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Ticket URL: <https://trac.macports.org/ticket/36497#comment:2>
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