On Thursday 11 December 2014 09:52:45 Christopher Reichert wrote: > Hello Debian Qt/KDE maintenance team,
Hi Christopher! > I am packaging the HsQML[0] library on behalf of the Debian Haskell > Group. HsQML is a Haskell binding for Qt Quick and used to create QML > GUI's in Haskell. > > HsQML relies on certain qt5 tools such as moc in the PATH in order to > build and in order to build other applications using HsQML as a library. > > My problem is that only the qt5-default package seems to provide > this. Of course, adding qt5-default to the package depends will throw a > Lintian error: > > https://lintian.debian.org/tags/build-depends-on-metapackage.html > > > I'm sure this is not the first time this has been asked but I couldn't > find any concrete information to solve this. Please take a look at [0]. I really should write that down on our alioth's web page. [0] <http://perezmeyer.blogspot.com.ar/2013/08/qt-in-debian-using-qt4-andor-qt5-in.html> > Currently, my packaging is at: > darcs.debian.org:/darcs/pkg-haskell/haskell-hsqml > > Any advice on what would be best practice? The above will solve the building stage. Now you might hit a problem at runtime. For example, if you call moc, by default Qt4's moc will be used. So you need to somehow tell the system you need the Qt5 version. Take a look at qtchooser's man page, but it basically boils down to either passing -qt5 to each qt-related tool invocation or setting QT_SELECT to Qt5 just to your program (for example, using a script to set the env variable and then calling the binary). We know it's not pretty, but it's what we currently have here. Kinds regards, Lisandro. -- Lisandro Damián Nicanor Pérez Meyer http://perezmeyer.com.ar/ http://perezmeyer.blogspot.com/
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