Sorry for the delay with this....here the gdb output; Starting program: /usr/bin/perl -I blib/lib -I blib/arch -MGlib::GenPod -MGlib -e "add_types (qq(doctypes)); Glib::GenPod +::set_copyright(qq{Copyright (C) 2003-2008 by the gtk2-perl team.\n\nThis software is licensed und +er the LGPL. See L<Glib> for a full notice.\n}); Glib::GenPod::set_main_mod(qq(Glib)); xsd +oc2pod(q(build/doc.pl), q(blib/lib), q(build/podindex));" Executing new program: /usr/bin/perl-64 [Thread debugging using libthread_db enabled] [New Thread 0x7f27ff0c06f0 (LWP 17900)] Loaded 8 extra types from doctypes Undefined subroutine &main::set_copyright called at -e line 1. Program exited with code 0377. (gdb) bt No stack. Hmm...I'll let valgrind have at it shortly & post again