tar xzvf gcl-2.2.2.tar.gz cd gcl-2.2.2 [ this adds the /usr/info path, and selects dynamic compilation ] zcat gcl-2.2.2.diff.gz | patch [ if the tclConfig.sh and tkConfig.sh are in /usr/lib on slackware add a third argument to ./add-defs to give that directory... ] % ./add-defs 386-linux /usr/lib % make % make install "PREFIX_DIR=/usr"