# argp.m4 serial 3 dnl Copyright (C) 2003, 2004 Free Software Foundation, Inc. dnl This file is free software, distributed under the terms of the GNU dnl General Public License. As a special exception to the GNU General dnl Public License, this file may be distributed as part of a program dnl that contains a configuration script generated by Autoconf, under dnl the same distribution terms as the rest of that program. AC_DEFUN([gl_ARGP], [ AC_REQUIRE([AC_C_INLINE]) AC_REQUIRE([gl_FUNC_GLIBC_UNLOCKED_IO]) AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_GETOPT_SUBSTITUTE]) AC_CHECK_DECLS([program_invocation_name, program_invocation_short_name],,, [#include <errno.h>]) AC_CHECK_FUNCS_ONCE([flockfile funlockfile]) AC_CHECK_HEADERS_ONCE([features.h linewrap.h]) ])