1dnl -------------------------------------------------------- -*- autoconf -*-
2dnl Licensed to the Apache Software Foundation (ASF) under one or more
3dnl contributor license agreements.  See the NOTICE file distributed with
4dnl this work for additional information regarding copyright ownership.
5dnl The ASF licenses this file to You under the Apache License, Version 2.0
6dnl (the "License"); you may not use this file except in compliance with
7dnl the License.  You may obtain a copy of the License at
8dnl
9dnl     http://www.apache.org/licenses/LICENSE-2.0
10dnl
11dnl Unless required by applicable law or agreed to in writing, software
12dnl distributed under the License is distributed on an "AS IS" BASIS,
13dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14dnl See the License for the specific language governing permissions and
15dnl limitations under the License.
16
17dnl -----------------------------------------------------------------
18dnl network.m4: Trafficserver's autoconf macros for testing network support
19dnl
20
21dnl
22dnl TS_CHECK_LOOPBACK_IFACE: try to figure out default loopback interface
23dnl
24AC_DEFUN([TS_CHECK_LOOPBACK_IFACE], [
25default_loopback_iface=""
26AC_MSG_CHECKING([for loopback network interface])
27case $host_os in
28  linux*)
29    default_loopback_iface=lo
30  ;;
31darwin* | freebsd* | solaris*)
32  default_loopback_iface=lo0
33  ;;
34esac
35AC_MSG_RESULT([$default_loopback_iface])
36AC_SUBST([default_loopback_iface])
37])
38
39dnl
40dnl Check on IN6_IS_ADDR_UNSPECIFIED. We can't just check if it is defined
41dnl because some releases of FreeBSD and Solaris define it incorrectly.
42dnl
43AC_DEFUN([TS_CHECK_MACRO_IN6_IS_ADDR_UNSPECIFIED], [
44AC_CACHE_CHECK([IN6_IS_ADDR_UNSPECIFIED macro works], ac_cv_macro_in6_is_addr_unspecified,
45TS_TRY_COMPILE_NO_WARNING([
46#include <netinet/in.h>
47],[
48  (void) IN6_IS_ADDR_UNSPECIFIED(0);
49], ac_cv_macro_in6_is_addr_unspecified=yes, ac_cv_macro_in6_is_addr_unspecified=no))
50
51has_in6_is_addr_unspecified=1
52if test "x$ac_cv_macro_in6_is_addr_unspecified" = "xno"; then
53  has_in6_is_addr_unspecified=0
54fi
55AC_SUBST(has_in6_is_addr_unspecified)
56])
57