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FontConfig support built, but QT_QPA_FONTDIR still required

  • I'm building Qt-5.7.1 from source on Ubuntu 14.04 with FontConfig support (which appears to be detected and correctly enabled by configure)

    Support enabled for:
      FontConfig ............. yes

    but running apps against the build always fail with

    QFontDatabase: Cannot find font directory /opt/Qt-5.7/lib/fonts.

    unless overridden with an explicit QT_QPA_FONTDIR pointing at system truetype fonts. I may have misunderstood, but I assumed building FontConfig support would do this transparently. Any pointers to what I've missed or misunderstood?


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