diff -uNr ClanLib-0.5.1.orig/configure.in ClanLib-0.5.1/configure.in
--- ClanLib-0.5.1.orig/configure.in	Wed Oct 31 21:43:54 2001
+++ ClanLib-0.5.1/configure.in	Mon Mar 25 22:25:57 2002
@@ -565,7 +565,7 @@
     comp_mode="-DDEBUG=1 -g3 -ggdb3 -O0"
     AC_MSG_RESULT([enabled])
   else
-    comp_mode="-O3 -march=pentium"
+    comp_mode="$CFLAGS"
     AC_MSG_RESULT([*********** <-- DISABLED --> ***********])
   fi
 ],