| 1 | dnl $Id$
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| 2 | dnl
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| 3 | dnl test for IPv6
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| 4 | dnl
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| 5 | ac_cv_lib_ipv6=check
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| 6 |
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| 7 | AC_DEFUN([AC_KRB_IPV6], [
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| 8 | AC_ARG_WITH(ipv6,
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| 9 | AS_HELP_STRING([--without-ipv6],[do not enable IPv6 support]),[
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| 10 | ac_cv_lib_ipv6="$withval"
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| 11 | ])
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| 12 | save_CFLAGS="${CFLAGS}"
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| 13 |
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| 14 | if test "X$ac_cv_lib_ipv6" != "Xno"; then
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| 15 |
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| 16 | AC_CACHE_CHECK([for IPv6 stack type], rk_cv_v6type,
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| 17 | [dnl check for different v6 implementations (by itojun)
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| 18 | v6type=unknown
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| 19 | v6lib=none
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| 20 |
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| 21 | for i in v6d toshiba kame inria zeta linux; do
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| 22 | case $i in
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| 23 | v6d)
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| 24 | AC_EGREP_CPP(yes, [
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| 25 | #include </usr/local/v6/include/sys/types.h>
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| 26 | #ifdef __V6D__
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| 27 | yes
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| 28 | #endif],
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| 29 | [v6type=$i; v6lib=v6;
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| 30 | v6libdir=/usr/local/v6/lib;
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| 31 | CFLAGS="-I/usr/local/v6/include $CFLAGS"])
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| 32 | ;;
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| 33 | toshiba)
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| 34 | AC_EGREP_CPP(yes, [
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| 35 | #include <sys/param.h>
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| 36 | #ifdef _TOSHIBA_INET6
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| 37 | yes
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| 38 | #endif],
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| 39 | [v6type=$i; v6lib=inet6;
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| 40 | v6libdir=/usr/local/v6/lib;
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| 41 | CFLAGS="-DINET6 $CFLAGS"])
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| 42 | ;;
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| 43 | kame)
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| 44 | AC_EGREP_CPP(yes, [
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| 45 | #include <netinet/in.h>
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| 46 | #ifdef __KAME__
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| 47 | yes
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| 48 | #endif],
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| 49 | [v6type=$i; v6lib=inet6;
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| 50 | v6libdir=/usr/local/v6/lib;
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| 51 | CFLAGS="-DINET6 $CFLAGS"])
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| 52 | ;;
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| 53 | inria)
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| 54 | AC_EGREP_CPP(yes, [
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| 55 | #include <netinet/in.h>
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| 56 | #ifdef IPV6_INRIA_VERSION
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| 57 | yes
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| 58 | #endif],
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| 59 | [v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
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| 60 | ;;
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| 61 | zeta)
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| 62 | AC_EGREP_CPP(yes, [
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| 63 | #include <sys/param.h>
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| 64 | #ifdef _ZETA_MINAMI_INET6
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| 65 | yes
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| 66 | #endif],
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| 67 | [v6type=$i; v6lib=inet6;
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| 68 | v6libdir=/usr/local/v6/lib;
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| 69 | CFLAGS="-DINET6 $CFLAGS"])
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| 70 | ;;
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| 71 | linux)
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| 72 | if test -d /usr/inet6; then
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| 73 | v6type=$i
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| 74 | v6lib=inet6
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| 75 | v6libdir=/usr/inet6
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| 76 | CFLAGS="-DINET6 $CFLAGS"
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| 77 | fi
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| 78 | ;;
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| 79 | esac
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| 80 | if test "$v6type" != "unknown"; then
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| 81 | break
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| 82 | fi
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| 83 | done
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| 84 |
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| 85 | if test "$v6lib" != "none"; then
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| 86 | for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
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| 87 | if test -d $dir -a -f $dir/lib$v6lib.a; then
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| 88 | LIBS="-L$dir -l$v6lib $LIBS"
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| 89 | break
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| 90 | fi
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| 91 | done
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| 92 | fi])
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| 93 |
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| 94 | AC_CACHE_CHECK([for IPv6], rk_cv_lib_ipv6, [
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| 95 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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| 96 | #ifdef HAVE_SYS_TYPES_H
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| 97 | #include <sys/types.h>
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| 98 | #endif
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| 99 | #ifdef HAVE_SYS_SOCKET_H
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| 100 | #include <sys/socket.h>
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| 101 | #endif
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| 102 | #ifdef HAVE_NETINET_IN_H
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| 103 | #include <netinet/in.h>
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| 104 | #endif
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| 105 | #ifdef HAVE_NETINET_IN6_H
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| 106 | #include <netinet/in6.h>
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| 107 | #endif
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| 108 | ]],
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| 109 | [[
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| 110 | struct sockaddr_in6 sin6;
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| 111 | int s;
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| 112 |
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| 113 | s = socket(AF_INET6, SOCK_DGRAM, 0);
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| 114 |
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| 115 | sin6.sin6_family = AF_INET6;
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| 116 | sin6.sin6_port = htons(17);
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| 117 | sin6.sin6_addr = in6addr_any;
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| 118 | bind(s, (struct sockaddr *)&sin6, sizeof(sin6));
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| 119 | ]])],
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| 120 | [ac_cv_lib_ipv6=yes],
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| 121 | [ac_cv_lib_ipv6=no])])
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| 122 | fi
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| 123 |
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| 124 | if test "$ac_cv_lib_ipv6" = yes; then
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| 125 | AC_DEFINE(HAVE_IPV6, 1, [Define if you have IPv6.])
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| 126 | else
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| 127 | CFLAGS="${save_CFLAGS}"
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| 128 | fi
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| 129 |
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| 130 | ## test for AIX missing in6addr_loopback
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| 131 | if test "$ac_cv_lib_ipv6" = yes; then
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| 132 | AC_CACHE_CHECK([for in6addr_loopback],[rk_cv_var_in6addr_loopback],[
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| 133 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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| 134 | #ifdef HAVE_SYS_TYPES_H
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| 135 | #include <sys/types.h>
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| 136 | #endif
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| 137 | #ifdef HAVE_SYS_SOCKET_H
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| 138 | #include <sys/socket.h>
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| 139 | #endif
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| 140 | #ifdef HAVE_NETINET_IN_H
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| 141 | #include <netinet/in.h>
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| 142 | #endif
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| 143 | #ifdef HAVE_NETINET_IN6_H
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| 144 | #include <netinet/in6.h>
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| 145 | #endif]],[[
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| 146 | struct sockaddr_in6 sin6;
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| 147 | sin6.sin6_addr = in6addr_loopback;
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| 148 | ]])],[ac_cv_var_in6addr_loopback=yes],[ac_cv_var_in6addr_loopback=no])])
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| 149 | if test "$ac_cv_var_in6addr_loopback" = yes; then
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| 150 | AC_DEFINE(HAVE_IN6ADDR_LOOPBACK, 1,
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| 151 | [Define if you have the in6addr_loopback variable])
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| 152 | fi
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| 153 | fi
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| 154 | ]) |
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