--- gforth/configure.in	2005/01/24 18:47:50	1.149
+++ gforth/configure.in	2005/01/29 16:55:30	1.150
@@ -64,6 +64,14 @@ test "$enable_gcc_pr15242_workaround" =
 AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
 generation on gccs affected by PR15242])
 
+AC_ARG_ENABLE(force-cdiv,
+	AC_HELP_STRING([--enable-force-cdiv],
+		       [  Use the native C division - symmetric - instead of
+		          floored division (default disabled).]),
+	,enable_force_cdiv=no)
+test "$enable_force_cdiv" = "no"||
+  AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
+
 AC_SUBST(PROFEXES)
 AC_SUBST(PROFOBJS)
 AC_ARG_ENABLE(prof,