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Man Pages
QTCHOOSER(1) FreeBSD General Commands Manual QTCHOOSER(1)

qtchooser - a wrapper used to select between Qt development binary versions

qtchooser -list-versions
 
qtchooser -print-env [-qt=version]
 
qtchooser -run-tool=tool [-qt=version] [program_arguments]
 
<executable_name> [ -qt=version] [program_arguments]
 

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.
The Qt Chooser provides a wrapper to switch between versions of Qt development binaries when multiple versions like 4 and 5 are installed or local Qt builds are to be used.
It is commonly used via a symlink from an executable_name like qmake.

The options which apply to the qtchooser command are:
-list-versions
Lists available Qt versions from the configuration files
-print-env
Prints environment information
-qt=version
Selects version as the Qt version to be used
-run-tool=tool
Runs the selected tool.

QTCHOOSER_NO_GLOBAL_DIR
If qtchooser has been built with QTCHOOSER_GLOBAL_DIR (predefined search paths for qtchooser's configuration files, useful in some distros), setting this variable will override its effect.
QT_SELECT
Same as -qt=version. If set, the selected configuration is used and binaries symlinked to qtchooser will be executed without additional parameters.
XDG_CONFIG_HOME
XDG_CONFIG_DIRS
Used as specified in < http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html>

/etc/xdg/qtchooser/*.conf
System-wide configuration files. Each has two lines, the first is the path to the binaries and the second is the path to the Qt libraries. If a default.conf is provided, the settings from it will be automatically used in case nothing else is selected.
$HOME/.config/qtchooser/*.conf
User configuration files.

qtchooser was written by Thiago Macieira from Intel.
This manual page was written by Timo Jyrinki <timo@debian.org>, for the Debian project (but may be used by others).
January 2, 2013

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