diff -Nur ClanLib-0.6.5/configure.in ClanLib-0.6.5-OPT/configure.in
--- ClanLib-0.6.5/configure.in	2002-08-05 20:00:03.000000000 +0200
+++ ClanLib-0.6.5-OPT/configure.in	2003-05-30 01:32:25.000000000 +0200
@@ -575,10 +575,9 @@
 AC_ARG_ENABLE(debug,[  --enable-debug          Enable debugging support],
 [
   if test "$enableval" == "yes"; then
-    comp_mode="-DDEBUG=1 -g3 -ggdb3 -O0"
+    comp_mode="-DDEBUG=1 -g3 -ggdb3"
     AC_MSG_RESULT([enabled])
   else
-    comp_mode="-O2"
     AC_MSG_RESULT([*********** <-- DISABLED --> ***********])
   fi
 ],