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I've just installed the Qt5.2.1 (/opt/qt-5.2.1/5.2.1/gcc64) on my Ubuntu 13.10. I previuosly installed a Qt5.1 in my home directory. When call designer, an error raised

 designer: could not exec '/usr/lib/x86_64-linux-gnu/qt5/bin/designer

I've seen that this target points to a qtchooser program. In the docs it's used for to switch between different Qt versions. Very usefull as this configuration can be applied system wide.

I would like to configure it but based on the qtchooser manpage , the configuration files should be located at
/etc/xdg/qtchooser/.conf*. In Ubuntu 13.10 there's no such directory and no information about the file names and their internal structure but a line for the binaries path and one line for the library path, a default conf file that would contain the default path? I created the desired qtchooser directory with a default.conf file containing my lib and bin path. Nothing changed when I ran qtchooser --list-version, always the same list is displayed:

qtchooser --list-versions

outputs :

jeby6372@mercure:/opt$ qtchooser --list-versions
qt5-x86_64-linux-gnu
5
default
qt5

I don't understand where these informations are stored so that I could manage the swap beetween my 2 versions.

Or at least , is it possible to disconnect qtchooser without removing the Qt products?

Any Idea?

ymoreau
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Emmanuel BRUNET
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  • Do a "locate qtchooser" in command line. You should be seeing some *.conf files. – Snowfish Apr 08 '14 at 17:47
  • Thank you for your answer Snowfish. Unfortunately has I faced a lot of problems with Unbuntu 13.10. I've swicthed my PC to debian-7.4. No more able to check your solution. – Emmanuel BRUNET Apr 08 '14 at 18:00

1 Answers1

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In Ubuntu 13.10, the configuration files are stored here:

/usr/lib/i386-linux-gnu/qtchooser/

I simply added new conf file, copying from one existing (e.g. qt521.conf) edited changed the path to the new QT5.2.1, configured qtchooser to use the new conf file with 

export QT_SELECT=qt521

and now I can call qmake using the QT5.2.1 environment.

Aleksei Zyrianov
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gevola
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