Index: lib/autoconf/general.m4
===================================================================
RCS file: /sources/autoconf/autoconf/lib/autoconf/general.m4,v
retrieving revision 1.944
diff -u -r1.944 general.m4
--- lib/autoconf/general.m4	18 Dec 2006 20:10:05 -0000	1.944
+++ lib/autoconf/general.m4	19 Dec 2006 01:29:41 -0000
@@ -957,10 +957,11 @@
     expr "x$ac_useropt" : "[.*[^-._$as_cr_alnum]]" >/dev/null &&
       AC_MSG_ERROR(
 	[invalid ]m4_if([$2], [with], [package], [feature])[ name: $ac_useropt])
+    ac_useropt_orig=$ac_useropt
     ac_useropt=`AS_ECHO(["$ac_useropt"]) | sed 's/[[-.]]/_/g'`
     case $ac_user_opts in
       *:$2_$ac_useropt:*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--$1-$ac_useropt"
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--$1-$ac_useropt_orig"
          ac_unrecognized_sep=', ';;
     esac
     eval $2_$ac_useropt=m4_if([$1], [$2], [\$ac_optarg], [no]) ;;dnl