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dnl Checks for IPv6 support
dnl
AC_DEFUN([AC_IPV6], [
if test "$enable_ipv6" = yes; then
dnl TI-RPC required for IPv6
if test "$enable_tirpc" = no; then
AC_MSG_ERROR(['--enable-ipv6' requires TIRPC support.])
fi
dnl IPv6-enabled networking functions required for IPv6
AC_CHECK_FUNCS([getifaddrs getnameinfo], ,
[AC_MSG_ERROR([Missing library functions needed for IPv6.])])
AC_CHECK_LIB([tirpc], [bindresvport_sa], [:],
[AC_MSG_ERROR([Missing library functions needed for IPv6.])])
fi
])dnl
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