c8f892953b
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14166 ec53bebd-3082-4978-b11e-865c3cabbd6b
149 lines
3.0 KiB
Plaintext
149 lines
3.0 KiB
Plaintext
dnl $Id$
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dnl
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dnl test for IPv6
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dnl
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AC_DEFUN([AC_KRB_IPV6], [
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AC_ARG_WITH(ipv6,
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AS_HELP_STRING([--without-ipv6],[do not enable IPv6 support]),[
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if test "$withval" = "no"; then
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ac_cv_lib_ipv6=no
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fi])
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save_CFLAGS="${CFLAGS}"
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AC_CACHE_CHECK([for IPv6 stack type], v6type,
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[dnl check for different v6 implementations (by itojun)
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v6type=unknown
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v6lib=none
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for i in v6d toshiba kame inria zeta linux; do
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case $i in
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v6d)
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AC_EGREP_CPP(yes, [
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#include </usr/local/v6/include/sys/types.h>
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#ifdef __V6D__
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yes
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#endif],
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[v6type=$i; v6lib=v6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-I/usr/local/v6/include $CFLAGS"])
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;;
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toshiba)
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AC_EGREP_CPP(yes, [
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#include <sys/param.h>
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#ifdef _TOSHIBA_INET6
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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kame)
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AC_EGREP_CPP(yes, [
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#include <netinet/in.h>
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#ifdef __KAME__
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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inria)
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AC_EGREP_CPP(yes, [
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#include <netinet/in.h>
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#ifdef IPV6_INRIA_VERSION
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yes
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#endif],
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[v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
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;;
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zeta)
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AC_EGREP_CPP(yes, [
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#include <sys/param.h>
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#ifdef _ZETA_MINAMI_INET6
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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linux)
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if test -d /usr/inet6; then
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v6type=$i
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v6lib=inet6
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v6libdir=/usr/inet6
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CFLAGS="-DINET6 $CFLAGS"
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fi
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;;
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esac
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if test "$v6type" != "unknown"; then
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break
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fi
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done
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if test "$v6lib" != "none"; then
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for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
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if test -d $dir -a -f $dir/lib$v6lib.a; then
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LIBS="-L$dir -l$v6lib $LIBS"
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break
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fi
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done
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fi
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])
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AC_CACHE_CHECK([for IPv6], ac_cv_lib_ipv6, [
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_NETINET_IN6_H
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#include <netinet/in6.h>
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#endif
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]],
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[[
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struct sockaddr_in6 sin6;
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int s;
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s = socket(AF_INET6, SOCK_DGRAM, 0);
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sin6.sin6_family = AF_INET6;
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sin6.sin6_port = htons(17);
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sin6.sin6_addr = in6addr_any;
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bind(s, (struct sockaddr *)&sin6, sizeof(sin6));
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]])],
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[ac_cv_lib_ipv6=yes],
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[ac_cv_lib_ipv6=no])])
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if test "$ac_cv_lib_ipv6" = yes; then
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AC_DEFINE(HAVE_IPV6, 1, [Define if you have IPv6.])
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else
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CFLAGS="${save_CFLAGS}"
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fi
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## test for AIX missing in6addr_loopback
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if test "$ac_cv_lib_ipv6" = yes; then
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AC_CACHE_CHECK([for in6addr_loopback],[ac_cv_var_in6addr_loopback],[
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_NETINET_IN6_H
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#include <netinet/in6.h>
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#endif]],[[
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struct sockaddr_in6 sin6;
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sin6.sin6_addr = in6addr_loopback;
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]])],[ac_cv_var_in6addr_loopback=yes],[ac_cv_var_in6addr_loopback=no])])
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if test "$ac_cv_var_in6addr_loopback" = yes; then
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AC_DEFINE(HAVE_IN6ADDR_LOOPBACK, 1,
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[Define if you have the in6addr_loopback variable])
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fi
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fi
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]) |