75 lines
2.5 KiB
Plaintext
75 lines
2.5 KiB
Plaintext
# arpa_inet_h.m4 serial 17
|
|
dnl Copyright (C) 2006, 2008-2023 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_ONCE([gl_ARPA_INET_H],
|
|
[
|
|
dnl Ensure to expand the default settings once only, before all statements
|
|
dnl 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])
|
|
])
|
|
|
|
# gl_ARPA_INET_MODULE_INDICATOR([modulename])
|
|
# sets the shell variable that indicates the presence of the given module
|
|
# to a C preprocessor expression that will evaluate to 1.
|
|
# This macro invocation must not occur in macros that are AC_REQUIREd.
|
|
AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
|
|
[
|
|
dnl Ensure to expand the default settings once only.
|
|
gl_ARPA_INET_H_REQUIRE_DEFAULTS
|
|
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
|
|
])
|
|
|
|
# Initializes the default values for AC_SUBSTed shell variables.
|
|
# This macro must not be AC_REQUIREd. It must only be invoked, and only
|
|
# outside of macros or in macros that are not AC_REQUIREd.
|
|
AC_DEFUN([gl_ARPA_INET_H_REQUIRE_DEFAULTS],
|
|
[
|
|
m4_defun(GL_MODULE_INDICATOR_PREFIX[_ARPA_INET_H_MODULE_INDICATOR_DEFAULTS], [
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_INET_NTOP])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_INET_PTON])
|
|
])
|
|
m4_require(GL_MODULE_INDICATOR_PREFIX[_ARPA_INET_H_MODULE_INDICATOR_DEFAULTS])
|
|
AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
|
|
])
|
|
|
|
AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
|
|
[
|
|
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])
|
|
])
|