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Diffstat (limited to '')
| -rw-r--r-- | third_party/heimdal/cf/krb-ipv6.m4 | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/third_party/heimdal/cf/krb-ipv6.m4 b/third_party/heimdal/cf/krb-ipv6.m4 new file mode 100644 index 0000000..4fbe2d6 --- /dev/null +++ b/third_party/heimdal/cf/krb-ipv6.m4 @@ -0,0 +1,154 @@ +dnl $Id$ +dnl +dnl test for IPv6 +dnl +ac_cv_lib_ipv6=check + +AC_DEFUN([AC_KRB_IPV6], [ +AC_ARG_WITH(ipv6, + AS_HELP_STRING([--without-ipv6],[do not enable IPv6 support]),[ + ac_cv_lib_ipv6="$withval" +]) +save_CFLAGS="${CFLAGS}" + +if test "X$ac_cv_lib_ipv6" != "Xno"; then + + AC_CACHE_CHECK([for IPv6 stack type], rk_cv_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 $LIBS" + break + fi + done + fi]) + + AC_CACHE_CHECK([for IPv6], rk_cv_lib_ipv6, [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_NETINET_IN6_H +#include <netinet/in6.h> +#endif +]], + [[ + struct sockaddr_in6 sin6; + int s; + + s = socket(AF_INET6, SOCK_DGRAM, 0); + + sin6.sin6_family = AF_INET6; + sin6.sin6_port = htons(17); + sin6.sin6_addr = in6addr_any; + bind(s, (struct sockaddr *)&sin6, sizeof(sin6)); +]])], + [ac_cv_lib_ipv6=yes], + [ac_cv_lib_ipv6=no])]) +fi + +if test "$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],[rk_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 +])
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