[MacPorts] #45406: py27-pyqt4 fails when trying to install gqrx

[MacPorts]

#45406: py27-pyqt4 fails when trying to install gqrx
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  Reporter:  armaan@…  |      Owner:  michaelld@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.1
Resolution:            |   Keywords:
      Port:  py-pyqt4  |
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Changes (by ryandesign@…):

 * owner:  macports-tickets@… => michaelld@…
 * cc: armaan@… (removed)
 * port:   => py-pyqt4


Comment:

 The problem seems to be that although MacPorts has told py27-pyqt4 it
 should use the llvm-gcc-4.2 compiler, the log shows it's actually trying
 to use the gcc-4.2 compiler, which does not exist in Xcode 4.2, hence the
 "No such file or directory" error.

 I'm guessing this is because `qmake` is being used somewhere. `qmake` has
 its own ideas about which compiler it should use: it thinks it should use
 the compiler it was itself built with. In MacPorts, this assumption can be
 incorrect, such as in your case where you received a binary of qmake from
 our Snow Leopard build server (which uses Xcode 3.2.6 and therefore has
 and uses gcc-4.2) but are now trying to compile something from source with
 it on your system with Xcode 4.2 (which doesn't). Each port that uses
 `qmake` must therefore instruct it to use the correct compiler. For many
 ports, the qmake portgroup can be used to accomplish that; for others, it
 must be programmed manually.

-- 
Ticket URL: <https://trac.macports.org/ticket/45406#comment:3>
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