1# arpa_inet_h.m4 serial 13
2dnl Copyright (C) 2006, 2008-2014 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
7dnl Written by Simon Josefsson and Bruno Haible
8
9AC_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])
14
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    HAVE_ARPA_INET_H=0
20  fi
21  AC_SUBST([HAVE_ARPA_INET_H])
22  dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
23  gl_CHECK_NEXT_HEADERS([arpa/inet.h])
24
25  AC_REQUIRE([gl_FEATURES_H])
26
27  dnl Check for declarations of anything we want to poison if the
28  dnl corresponding gnulib module is not in use.
29  gl_WARN_ON_USE_PREPARE([[
30/* On some systems, this header is not self-consistent.  */
31#if !(defined __GLIBC__ || defined __UCLIBC__)
32# include <sys/socket.h>
33#endif
34#ifdef __TANDEM
35# include <netdb.h>
36#endif
37#include <arpa/inet.h>
38    ]], [inet_ntop inet_pton])
39])
40
41AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
42[
43  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
44  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
45  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
46])
47
48AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
49[
50  GNULIB_INET_NTOP=0;     AC_SUBST([GNULIB_INET_NTOP])
51  GNULIB_INET_PTON=0;     AC_SUBST([GNULIB_INET_PTON])
52  dnl Assume proper GNU behavior unless another module says otherwise.
53  HAVE_DECL_INET_NTOP=1;  AC_SUBST([HAVE_DECL_INET_NTOP])
54  HAVE_DECL_INET_PTON=1;  AC_SUBST([HAVE_DECL_INET_PTON])
55  REPLACE_INET_NTOP=0;    AC_SUBST([REPLACE_INET_NTOP])
56  REPLACE_INET_PTON=0;    AC_SUBST([REPLACE_INET_PTON])
57])
58