export NOCONFIGURE=1;
        if [ -e autogen ]; then ./autogen;
        elif [ -e autogen.sh ]; then ./autogen.sh;
        elif [ -e bootstrap ]; then ./bootstrap;
        elif [ -e bootstrap.sh ]; then ./bootstrap.sh;
        elif [ ! -e ./configure ]; then autoreconf -ivf;
        fi
    autoreconf: 'configure.ac' or 'configure.in' is required