# arpa_inet_h.m4 serial 14

dnl Copyright (C) 2006, 2008-2020 Free Software Foundation, Inc.

dnl This file is free software; the Free Software Foundation

dnl gives unlimited permission to copy and/or distribute it,

dnl with or without modifications, as long as this notice is preserved.

dnl Written by Simon Josefsson and Bruno Haible

AC_DEFUN([gl_HEADER_ARPA_INET],

[

  dnl Use AC_REQUIRE here, so that the default behavior below is expanded

  dnl once only, before all statements that occur in other macros.

  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])

  AC_CHECK_HEADERS_ONCE([arpa/inet.h])

  if test $ac_cv_header_arpa_inet_h = yes; then

    HAVE_ARPA_INET_H=1

  else

    HAVE_ARPA_INET_H=0

  fi

  AC_SUBST([HAVE_ARPA_INET_H])

  dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.

  gl_CHECK_NEXT_HEADERS([arpa/inet.h])

  AC_REQUIRE([gl_FEATURES_H])

  gl_PREREQ_SYS_H_WS2TCPIP

  dnl Check for declarations of anything we want to poison if the

  dnl corresponding gnulib module is not in use.

  gl_WARN_ON_USE_PREPARE([[

/* On some systems, this header is not self-consistent.  */

#if !(defined __GLIBC__ || defined __UCLIBC__)

# include <sys/socket.h>

#endif

#ifdef __TANDEM

# include <netdb.h>

#endif

#include <arpa/inet.h>

    ]], [inet_ntop inet_pton])

])

AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],

[

  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.

  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])

  gl_MODULE_INDICATOR_SET_VARIABLE([$1])

])

AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],

[

  GNULIB_INET_NTOP=0;     AC_SUBST([GNULIB_INET_NTOP])

  GNULIB_INET_PTON=0;     AC_SUBST([GNULIB_INET_PTON])

  dnl Assume proper GNU behavior unless another module says otherwise.

  HAVE_DECL_INET_NTOP=1;  AC_SUBST([HAVE_DECL_INET_NTOP])

  HAVE_DECL_INET_PTON=1;  AC_SUBST([HAVE_DECL_INET_PTON])

  REPLACE_INET_NTOP=0;    AC_SUBST([REPLACE_INET_NTOP])

  REPLACE_INET_PTON=0;    AC_SUBST([REPLACE_INET_PTON])

])