[MacPorts] #53186: qmake5 should change destroot.destdir (qmake PG idem)

[MacPorts]

#53186: qmake5 should change destroot.destdir (qmake PG idem)
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  Reporter:  RJVB         |      Owner:
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  qt5 qt4      |
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Comment (by RJVB):

 Replying to [comment:2 RJVB]:

 > I'm waiting for a QtWebKit build to finish to see if adding the variable
 on the commandline makes a difference.

 That was a Linux build, and well, evidently I cannot reproduce the issue
 there with the 5.7.1 QtWebKit version.

 Either way, whether or not setting INSTALL_ROOT in the *environment* is
 enough to obtain the intended behaviour is one thing. Setting DESTDIR via
 the command line *in addition* is another thing, and in principle not a
 good idea since that variable *is* used in the Makefiles generated by
 QMake.

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Ticket URL: <https://trac.macports.org/ticket/53186#comment:3>
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