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