diff -durN ClanLib-0.4.3.orig/configure.in ClanLib-0.4.3/configure.in
--- ClanLib-0.4.3.orig/configure.in	Mon Mar 13 18:55:21 2000
+++ ClanLib-0.4.3/configure.in	Sun Apr 16 18:14:18 2000
@@ -227,12 +227,12 @@
     comp_mode="-DDEBUG=1 -g"
     AC_MSG_RESULT([enabled])
   else
-    comp_mode="-O3"
+    comp_mode=""
     AC_MSG_RESULT([*********** <-- DISABLED --> ***********])
   fi
 ],
 [
-  comp_mode="-O3"
+  comp_mode=""
   AC_MSG_RESULT([********** DISABLED FOR STABLE RELEASE VERSION **********])
 ])