Qmake does not find features file after setting QMAKEFEATURES



  • I have installed Qwt:

    @/usr/local/qwt-6.1.0/
    features/
    qwt.prf
    qwtconfig.pri
    qwtfunctions.pri@

    I set QMAKEFEATURES as according to the docs:

    @qmake -set QMAKEFEATURES /usr/local/qwt-6.1.0/features@

    Sanity-check:

    @$ qmake -query
    QMAKEFEATURES:/usr/local/qwt-6.1.0/features
    ...@

    In my project .pro file I add qwt:

    @QT += qwt@

    When I build...

    @$ qmake
    $ make
    ...
    Project ERROR: Unknown module(s) in QT: qwt@

    I have tried using an environment variable instead:

    @$ export QMAKEFEATURES=/usr/local/qwt-6.1.0/features
    $ echo ${QMAKEFEATURES}
    /usr/local/qwt-6.1.0/features/
    $ qmake
    $ make@

    And I still get the same problem.

    I have tried to direct include the .prf in the .pro file:

    @include ( /usr/local/qwt-6.1.0/features/qwt.prf )@

    Same error.

    Why won't qmake pick up the prf file?


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