m4/arpa_inet_h.m4

   1 # arpa_inet_h.m4 serial 13
   2 dnl Copyright (C) 2006, 2008-2014 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.
   6
   7 dnl Written by Simon Josefsson and Bruno Haible
   8
   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])
  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
  41 AC_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
  48 AC_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 ])