1 # arpa_inet_h.m4 serial 5
2 dnl Copyright (C) 2006, 2008 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.
7 dnl Written by Simon Josefsson and Bruno Haible
9 AC_DEFUN([gl_HEADER_ARPA_INET],
10 [
11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
12 dnl once only, before all statements that occur in other macros.
13 AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
15 AC_CHECK_HEADERS_ONCE([arpa/inet.h])
16 if test $ac_cv_header_arpa_inet_h = yes; then
17 HAVE_ARPA_INET_H=1
18 else
19 ARPA_INET_H='arpa/inet.h'
20 HAVE_ARPA_INET_H=0
21 fi
22 AC_SUBST([HAVE_ARPA_INET_H])
23 dnl Execute this unconditionally, because ARPA_INET_H may be set by other
24 dnl modules, after this code is executed.
25 gl_CHECK_NEXT_HEADERS([arpa/inet.h])
26 ])
28 dnl Unconditionally enables the replacement of <arpa/inet.h>.
29 AC_DEFUN([gl_REPLACE_ARPA_INET_H],
30 [
31 AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
32 ARPA_INET_H='arpa/inet.h'
33 ])
35 AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
36 [
37 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
38 AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
39 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
40 ])
42 AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
43 [
44 GNULIB_INET_NTOP=0; AC_SUBST([GNULIB_INET_NTOP])
45 GNULIB_INET_PTON=0; AC_SUBST([GNULIB_INET_PTON])
46 dnl Assume proper GNU behavior unless another module says otherwise.
47 HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP])
48 HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON])
49 ARPA_INET_H=''; AC_SUBST([ARPA_INET_H])
50 ])