dnl # the results. This is required because when checking any of
dnl # no- prefixed options gcc always returns success.
dnl #
-AC_DEFUN([ZFS_AC_CONFIG_USER_NO_UNUSED_BUT_SET_VARIABLE], [
+AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_NO_UNUSED_BUT_SET_VARIABLE], [
AC_MSG_CHECKING([for -Wno-unused-but-set-variable support])
saved_flags="$CFLAGS"