1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
dnl $Id: krb-ipv6.m4,v 1.8 2000/01/01 11:44:45 assar Exp $
dnl
dnl test for IPv6
dnl
AC_DEFUN(AC_KRB_IPV6, [
AC_ARG_WITH(ipv6,
[ --without-ipv6 do not enable IPv6 support],[
if test "$withval" = "no"; then
ac_cv_lib_ipv6=no
fi])
AC_CACHE_VAL(ac_cv_lib_ipv6,
[dnl check for different v6 implementations (by itojun)
v6type=unknown
v6lib=none
AC_MSG_CHECKING([ipv6 stack type])
for i in v6d toshiba kame inria zeta linux; do
case $i in
v6d)
AC_EGREP_CPP(yes, [dnl
#include </usr/local/v6/include/sys/types.h>
#ifdef __V6D__
yes
#endif],
[v6type=$i; v6lib=v6;
v6libdir=/usr/local/v6/lib;
CFLAGS="-I/usr/local/v6/include $CFLAGS"])
;;
toshiba)
AC_EGREP_CPP(yes, [dnl
#include <sys/param.h>
#ifdef _TOSHIBA_INET6
yes
#endif],
[v6type=$i; v6lib=inet6;
v6libdir=/usr/local/v6/lib;
CFLAGS="-DINET6 $CFLAGS"])
;;
kame)
AC_EGREP_CPP(yes, [dnl
#include <netinet/in.h>
#ifdef __KAME__
yes
#endif],
[v6type=$i; v6lib=inet6;
v6libdir=/usr/local/v6/lib;
CFLAGS="-DINET6 $CFLAGS"])
;;
inria)
AC_EGREP_CPP(yes, [dnl
#include <netinet/in.h>
#ifdef IPV6_INRIA_VERSION
yes
#endif],
[v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
;;
zeta)
AC_EGREP_CPP(yes, [dnl
#include <sys/param.h>
#ifdef _ZETA_MINAMI_INET6
yes
#endif],
[v6type=$i; v6lib=inet6;
v6libdir=/usr/local/v6/lib;
CFLAGS="-DINET6 $CFLAGS"])
;;
linux)
if test -d /usr/inet6; then
v6type=$i
v6lib=inet6
v6libdir=/usr/inet6
CFLAGS="-DINET6 $CFLAGS"
fi
;;
esac
if test "$v6type" != "unknown"; then
break
fi
done
AC_MSG_RESULT($v6type)
if test "$v6lib" != "none"; then
for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
if test -d $dir -a -f $dir/lib$v6lib.a; then
LIBS="-L$dir -l$v6lib $LIBS"
break
fi
done
fi
AC_TRY_LINK([
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
],
[
struct sockaddr_in6 sin6;
int s;
s = socket(AF_INET6, SOCK_DGRAM, 0);
sin6.sin6_family = AF_INET6;
sin6.sin6_port = htons(17);
sin6.sin6_addr = in6addr_any;
bind(s, (struct sockaddr *)&sin6, sizeof(sin6));
],
ac_cv_lib_ipv6=yes,
ac_cv_lib_ipv6=no)])
AC_MSG_CHECKING(for IPv6)
AC_MSG_RESULT($ac_cv_lib_ipv6)
if test "$ac_cv_lib_ipv6" = yes; then
AC_DEFINE(HAVE_IPV6, 1, [Define if you have IPv6.])
fi
])
|
