I tried installing gtk2 with the following command: port -v install gtk2 It errored out with the following: gtkprintbackendcups.c: In function 'create_pickone_option': gtkprintbackendcups.c:1859: error: 'ppd_coption_t' undeclared (first use in this function) gtkprintbackendcups.c:1859: error: (Each undeclared identifier is reported only once gtkprintbackendcups.c:1859: error: for each function it appears in.) gtkprintbackendcups.c:1859: error: 'coption' undeclared (first use in this function) gtkprintbackendcups.c:1881: error: 'ppd_cparam_t' undeclared (first use in this function) gtkprintbackendcups.c:1881: error: 'cparam' undeclared (first use in this function) gtkprintbackendcups.c:1885: warning: comparison between pointer and integer gtkprintbackendcups.c:1889: error: 'PPD_CUSTOM_INT' undeclared (first use in this function) gtkprintbackendcups.c:1893: error: 'PPD_CUSTOM_PASSCODE' undeclared (first use in this function) gtkprintbackendcups.c:1897: error: 'PPD_CUSTOM_PASSWORD' undeclared (first use in this function) gtkprintbackendcups.c:1901: error: 'PPD_CUSTOM_REAL' undeclared (first use in this function) gtkprintbackendcups.c:1905: error: 'PPD_CUSTOM_STRING' undeclared (first use in this function) gtkprintbackendcups.c:1909: error: 'PPD_CUSTOM_POINTS' undeclared (first use in this function) gtkprintbackendcups.c:1912: error: 'PPD_CUSTOM_CURVE' undeclared (first use in this function) gtkprintbackendcups.c:1915: error: 'PPD_CUSTOM_INVCURVE' undeclared (first use in this function) make[4]: *** [gtkprintbackendcups.lo] Error 1 make[3]: *** [all-recursive] Error 1 make[2]: *** [all-recursive] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all] Error 2 Warning: the following items did not execute (for gtk2): com.apple.activate com.apple.build com.apple.destroot com.apple.install Error: Status 1 encountered during processing. .... Any ideas? Daniel Wolk