PHP_ARG_ENABLE(mbregex, whether to enable multibyte regex support,
[ --enable-mbregex Enable multibyte regex support], yes)
-PHP_ARG_WITH(mbstring, whether to enable multibyte string support,
-[ --without-mbstring Disable multibyte string support], yes)
+PHP_ARG_ENABLE(mbstring, whether to enable multibyte string support,
+[ --disable-mbstring Disable multibyte string support], yes)
if test "$PHP_MBSTRING" != "no"; then
AC_DEFINE(HAVE_MBSTRING,1,[whether to have multibyte string support])