-# unistd_h.m4 serial 1
+# unistd_h.m4 serial 2
dnl Copyright (C) 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl Written by Simon Josefsson
-AC_DEFUN([gl_UNISTD],
+AC_DEFUN([gl_HEADER_UNISTD],
[
dnl Prerequisites of lib/unistd.h.
AC_CHECK_HEADERS([unistd.h], [