/crypto/heimdal/cf/krb-ipv6.m4
https://bitbucket.org/freebsd/freebsd-head/ · m4 · 149 lines · 103 code · 6 blank · 40 comment · 0 complexity · e2177470712df85f26411a6afe7cd520 MD5 · raw file
- dnl $Id: krb-ipv6.m4 14166 2004-08-26 12:35:42Z joda $
- dnl
- dnl test for IPv6
- dnl
- AC_DEFUN([AC_KRB_IPV6], [
- AC_ARG_WITH(ipv6,
- AS_HELP_STRING([--without-ipv6],[do not enable IPv6 support]),[
- if test "$withval" = "no"; then
- ac_cv_lib_ipv6=no
- fi])
- save_CFLAGS="${CFLAGS}"
- AC_CACHE_CHECK([for IPv6 stack type], v6type,
- [dnl check for different v6 implementations (by itojun)
- v6type=unknown
- v6lib=none
- for i in v6d toshiba kame inria zeta linux; do
- case $i in
- v6d)
- AC_EGREP_CPP(yes, [
- #include </usr/local/v6/include/sys/types.h>
- #ifdef __V6D__
- yes
- #endif],
- [v6type=$i; v6lib=v6;
- v6libdir=/usr/local/v6/lib;
- CFLAGS="-I/usr/local/v6/include $CFLAGS"])
- ;;
- toshiba)
- AC_EGREP_CPP(yes, [
- #include <sys/param.h>
- #ifdef _TOSHIBA_INET6
- yes
- #endif],
- [v6type=$i; v6lib=inet6;
- v6libdir=/usr/local/v6/lib;
- CFLAGS="-DINET6 $CFLAGS"])
- ;;
- kame)
- AC_EGREP_CPP(yes, [
- #include <netinet/in.h>
- #ifdef __KAME__
- yes
- #endif],
- [v6type=$i; v6lib=inet6;
- v6libdir=/usr/local/v6/lib;
- CFLAGS="-DINET6 $CFLAGS"])
- ;;
- inria)
- AC_EGREP_CPP(yes, [
- #include <netinet/in.h>
- #ifdef IPV6_INRIA_VERSION
- yes
- #endif],
- [v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
- ;;
- zeta)
- AC_EGREP_CPP(yes, [
- #include <sys/param.h>
- #ifdef _ZETA_MINAMI_INET6
- yes
- #endif],
- [v6type=$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
- 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 $LIBS"
- break
- fi
- done
- fi
- ])
- AC_CACHE_CHECK([for IPv6], ac_cv_lib_ipv6, [
- AC_LINK_IFELSE([AC_LANG_PROGRAM([[
- #ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #endif
- #ifdef HAVE_NETINET_IN_H
- #include <netinet/in.h>
- #endif
- #ifdef HAVE_NETINET_IN6_H
- #include <netinet/in6.h>
- #endif
- ]],
- [[
- struct sockaddr_in6 sin6;
- int s;
- s = socket(AF_INET6, SOCK_DGRAM, 0);
- sin6.sin6_family = AF_INET6;
- sin6.sin6_port = htons(17);
- sin6.sin6_addr = in6addr_any;
- bind(s, (struct sockaddr *)&sin6, sizeof(sin6));
- ]])],
- [ac_cv_lib_ipv6=yes],
- [ac_cv_lib_ipv6=no])])
- if test "$ac_cv_lib_ipv6" = yes; then
- AC_DEFINE(HAVE_IPV6, 1, [Define if you have IPv6.])
- else
- CFLAGS="${save_CFLAGS}"
- fi
- ## test for AIX missing in6addr_loopback
- if test "$ac_cv_lib_ipv6" = yes; then
- AC_CACHE_CHECK([for in6addr_loopback],[ac_cv_var_in6addr_loopback],[
- AC_LINK_IFELSE([AC_LANG_PROGRAM([[
- #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;
- sin6.sin6_addr = in6addr_loopback;
- ]])],[ac_cv_var_in6addr_loopback=yes],[ac_cv_var_in6addr_loopback=no])])
- if test "$ac_cv_var_in6addr_loopback" = yes; then
- AC_DEFINE(HAVE_IN6ADDR_LOOPBACK, 1,
- [Define if you have the in6addr_loopback variable])
- fi
- fi
- ])