diff -ur ruby-gnome2-all-0.7.0-orig/glib/extconf.rb ruby-gnome2-all-0.7.0/glib/extconf.rb
--- ruby-gnome2-all-0.7.0-orig/glib/extconf.rb	2003-09-07 06:00:32.000000000 -0600
+++ ruby-gnome2-all-0.7.0/glib/extconf.rb	2003-09-07 09:43:04.000000000 -0600
@@ -7,6 +7,7 @@
 require 'mkmf-gnome2'
 
 PKGConfig.have_package('gobject-2.0') or exit 1
+PKGConfig.have_package('glib-2.0') or exit 1
 check_win32
 
 set_output_lib('libruby-glib2.a')
Only in ruby-gnome2-all-0.7.0/glib: extconf.rb~