slack* packages are built using a SlackBuild file, so just grab one of them (in the http://mirror/slackware-version/source/ directory, like http://slackintosh.workaround.ch/pub/slackintosh/current/source/l/cairo/cairo.SlackBuild ) and read it, they're pretty straightforward. In addition linuxpackages offers some help and advices: http://www.linuxpackages.net/howto.php?page=package&title=Package+Howto ciao -- Marco Bonetti Slackintosh Linux Project Developer http://slackintosh.workaround.ch/ My GnuPG key id: 86A91047