41a98ce22c
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4599 ec53bebd-3082-4978-b11e-865c3cabbd6b
45 lines
834 B
Plaintext
45 lines
834 B
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_CACHE_CHECK(for IPv6,ac_cv_lib_ipv6,
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AC_TRY_COMPILE([
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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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#if defined(IN6ADDR_ANY_INIT)
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struct in6_addr any = IN6ADDR_ANY_INIT;
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#elif defined(IPV6ADDR_ANY_INIT)
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struct in6_addr any = IPV6ADDR_ANY_INIT;
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#else
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#error no any?
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#endif
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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 = 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)
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fi
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])
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