1# xreadlink.m4 serial 5
2dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_XREADLINK],
8[
9  dnl Prerequisites of lib/xreadlink.c.
10  AC_REQUIRE([gt_TYPE_SSIZE_T])
11  AC_CHECK_HEADERS_ONCE(unistd.h)
12])
13