1# arpa_inet_h.m4 serial 14
2dnl Copyright (C) 2006, 2008-2020 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  gl_PREREQ_SYS_H_WS2TCPIP
28
29  dnl Check for declarations of anything we want to poison if the
30  dnl corresponding gnulib module is not in use.
31  gl_WARN_ON_USE_PREPARE([[
32/* On some systems, this header is not self-consistent.  */
33#if !(defined __GLIBC__ || defined __UCLIBC__)
34# include <sys/socket.h>
35#endif
36#ifdef __TANDEM
37# include <netdb.h>
38#endif
39#include <arpa/inet.h>
40    ]], [inet_ntop inet_pton])
41])
42
43AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
44[
45  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
46  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
47  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
48])
49
50AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
51[
52  GNULIB_INET_NTOP=0;     AC_SUBST([GNULIB_INET_NTOP])
53  GNULIB_INET_PTON=0;     AC_SUBST([GNULIB_INET_PTON])
54  dnl Assume proper GNU behavior unless another module says otherwise.
55  HAVE_DECL_INET_NTOP=1;  AC_SUBST([HAVE_DECL_INET_NTOP])
56  HAVE_DECL_INET_PTON=1;  AC_SUBST([HAVE_DECL_INET_PTON])
57  REPLACE_INET_NTOP=0;    AC_SUBST([REPLACE_INET_NTOP])
58  REPLACE_INET_PTON=0;    AC_SUBST([REPLACE_INET_PTON])
59])
60