Review Request 109404: Give more precedence to qmake executable names that specify the version
Andrea Scarpino
andrea at archlinux.org
Mon Mar 11 16:10:43 UTC 2013
> On March 11, 2013, 6:19 a.m., Andrea Scarpino wrote:
> > "I was quite clear: "qmake" must point by default to Qt 4 if Qt 4 present."
> > While qtchooser sounds like a great solution to handle this, it only adds more confusion from a packager view: we cannot have N differents configurations for qt when the users install our packages: qmake points to qt5, no matter which configuration the user did setup for qtchooser.
> > Also, every binary points to the latest version in Arch (e.g. python points to python3 not python2)
> >
> > However all this discussion isn't related to Arch itself: I think that binaries with specific version takes precedence, don't they?
>
> Stephen Kelly wrote:
> No, you also need to account for self-built Qt, which will also result in a binary called 'qmake'.
>
> http://thread.gmane.org/gmane.comp.kde.devel.general/65619/focus=65623
>
> Andrea Scarpino wrote:
> I don't want to remove the 'qmake' word from the FindQt4.cmake file, but ATM that file looks for:
> qmake qmake4 qmake-qt4 (and so on) in this order.
> Why not using this one instead? qmake4 qmake-qt4 qmake...
>
> Stephen Kelly wrote:
> Did you follow the link I sent to the thread on the cmake list?
>
> Andrea Scarpino wrote:
> No, I missed the reply in the second link in the thread you linked.
> Ok, I see your point now.
>
> I'll think about it.
>
> Thiago Macieira wrote:
> It's very simple: if you're going to make an unsupported installation, KDE should feel quite comfortable by not supporting your distribution.
>
> CMake can find Qt 5 without qmake, that's why it's recommended that "qmake" point to Qt 4's qmake. For users running qmake manually, the Qt documentation should explain how to run "qmake -qt5" (yes, with the space).
>
> Anyway, why is this an issue at all? Why doesn't FindQt4.cmake discard the Qt 5 qmake if the version number is wrong? Shouldn't it try again with a new executable name?
The patch reported here[1] should fix this issue without the need of changing any order. This should work on every distro with any qt setup.
[1] http://public.kitware.com/Bug/view.php?id=13985
- Andrea
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This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/109404/#review28931
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On March 11, 2013, 3:29 a.m., Aleix Pol Gonzalez wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/109404/
> -----------------------------------------------------------
>
> (Updated March 11, 2013, 3:29 a.m.)
>
>
> Review request for Build System, kdelibs, David Faure, Alexander Neundorf, and Andrea Scarpino.
>
>
> Description
> -------
>
> Recently ArchLinux decided to ship Qt5 and they did so by making qmake point to qmake-qt5 and adding qmake-qt4.
>
> With this patch, we look first for the executables that specify the version number and then the more generic ones.
>
>
> Diffs
> -----
>
> cmake/modules/FindQt4.cmake 6db944f
>
> Diff: http://git.reviewboard.kde.org/r/109404/diff/
>
>
> Testing
> -------
>
> cmake_minimum_required(VERSION 2.8)
>
> find_package(KDE4)
>
> -----
>
> Configuring such a project returns the correct versions.
>
>
> Thanks,
>
> Aleix Pol Gonzalez
>
>
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