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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:
Lists available Qt versions from the configuration files
Prints environment information
Selects version as the Qt version to be used
Runs the selected tool.

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.
Same as -qt=version. If set, the selected configuration is used and binaries symlinked to qtchooser will be executed without additional parameters.
Used as specified in <>

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.
User configuration files.

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

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