

conf files in /etc/xdg/qtchooser/ directory. You can set the default Qt toolkit by creating a symlink ~/.config/qtchooser/nf to one of. For example, to use Qt 4, set QT_SELECT=4. To define the default Qt toolkit, you can create QT_SELECT environment variable.
#Qt creator needs a compiler setup to build install
You can install it to /usr/local if you really need it, but it is not officially supported anymore. Note: qtchooser AUR is now in conflict with qt5-base. qmake-qt5), point to older versions of those tools (e.g. qmake), which point to the Qt 5 versions by default (e.g.

The Qt framework is the basis of the KDE software community, as well as other important open source and proprietary applications such as VLC, VirtualBox, Mathematica and many others. A complete library that provides SQL database access, XML parsing, thread management, network support, and a unified cross-platform application programming interface (API) for file handling.Extensive internationalization support.Running on the major desktop platforms and some of the mobile platforms.Some of its more important features include: Qt is a cross-platform application and widget toolkit that uses standard C++ but makes extensive use of a special code generator (called the Meta Object Compiler, or moc) together with several macros to enrich the language. Uniform look for Qt and GTK applications.
