hi I was reading the configure.in from the CVS tree to check for the presence of GTK, you may use AM_PATH_GTK(version-at-least, shell command if found , shell command if not found) as in AM_PATH_GTK(1.2.0, , echo Cannot find GTK: Is gtk-config in path? ) bye a. -- Andrea C. Mennucci, Scuola Normale Superiore, Pisa, Italy -- MP3 ENCODER mailing list ( http://geek.rcc.se/mp3encoder/ )