add --without-ipv6

make sure we have `in6addr_any' which we use in the code.  This test
avoids false positives on OpenBSD


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7659 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-12-21 20:41:52 +00:00
parent 217d8bd87f
commit d84d2e9fbf

View File

@@ -3,6 +3,11 @@ 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_CHECK(for IPv6,ac_cv_lib_ipv6,
AC_TRY_COMPILE([
#ifdef HAVE_SYS_TYPES_H
@@ -19,13 +24,6 @@ AC_TRY_COMPILE([
#endif
],
[
#if defined(IN6ADDR_ANY_INIT)
struct in6_addr any = IN6ADDR_ANY_INIT;
#elif defined(IPV6ADDR_ANY_INIT)
struct in6_addr any = IPV6ADDR_ANY_INIT;
#else
#error no any?
#endif
struct sockaddr_in6 sin6;
int s;
@@ -33,7 +31,7 @@ struct in6_addr any = IPV6ADDR_ANY_INIT;
sin6.sin6_family = AF_INET6;
sin6.sin6_port = htons(17);
sin6.sin6_addr = any;
sin6.sin6_addr = in6addr_any;
bind(s, (struct sockaddr *)&sin6, sizeof(sin6));
],
ac_cv_lib_ipv6=yes,