--- ocaml-3.08.3/configure.opt	2005-05-08 19:00:34.000000000 -0400
+++ ocaml-3.08.3/configure	2005-05-08 19:54:50.000000000 -0400
@@ -1455,6 +1455,10 @@
     nativecccompopts="$nativecccompopts -fomit-frame-pointer";;
 esac
 
+# Allow user defined C Compiler flags
+bytecccompopts="$bytecccompopts $CFLAGS"
+nativecccompopts="$nativecccompopts $CFLAGS"
+
 # Finish generated files
 
 cclibs="$cclibs $mathlib"