Installation instructions for *nix:
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1. qmake-qt4 / qmake
   You have to use qmake of Qt >= 4.2.0, depending on your distro it is called qmake or qmake-qt4.
   By default KeePassX is installed to /usr, you can change that by adding PREFIX=[PATH] to the qmake command.
   You can also add DEBUG=1 to build KeePassX with debug symbols.
2. make
3. make install