2 dnl Copyright (C) 2003, 2004 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 AC_REQUIRE([AC_C_INLINE])
10 AC_REQUIRE([gl_FUNC_GLIBC_UNLOCKED_IO])
11 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
12 AC_REQUIRE([gl_GETOPT_SUBSTITUTE])
13 AC_CHECK_DECLS([program_invocation_name, program_invocation_short_name],,,
15 AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
16 AC_CHECK_HEADERS_ONCE([features.h linewrap.h])