diff -Nurd -Xfreeciv/diff_ignore freeciv-may23/m4/gtk.m4 freeciv-may23+autostuff/m4/gtk.m4
--- freeciv-may23/m4/gtk.m4	Sat Apr 13 15:51:47 2002
+++ freeciv-may23+autostuff/m4/gtk.m4	Fri May 24 20:01:25 2002
@@ -37,7 +37,7 @@
      fi
   fi
 
-  AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
+  AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config gtk13-config, no)
   min_gtk_version=ifelse([$1], ,0.99.7,$1)
   AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
   no_gtk=""