compile_qt5source() {
    ./configure -v -confirm-license -opensource \
        -prefix "/$dir_prefix" \
        -libdir "/$dir_prefix/$dir_libdir" \
        -headerdir "/$dir_prefix/include/qt5" \
        -sysconfdir "/$dir_sysconfdir/xdg" \
        -datadir "/$dir_prefix/$dir_datadir/qt5" \
        -bindir "/$dir_prefix/$dir_libdir/qt5/bin" \
        -archdatadir "/$dir_prefix/$dir_libdir/qt5" \
        -docdir "/$dir_prefix/$dir_docdir/qt5" \
        -examplesdir "/$dir_prefix/$dir_docdir/qt5/examples" \
        $@
    make
    make INSTALL_ROOT="$dir_install" install
}