dnl test for ipv6 using the gethostbyname2() function. That should be sufficient dnl for now AC_CHECK_FUNCS(gethostbyname2, have_ipv6=true, have_ipv6=false) SMB_MODULE_DEFAULT(socket_ipv6, NOT) if $have_ipv6 = true; then SMB_MODULE_DEFAULT(socket_ipv6, STATIC) AC_DEFINE(HAVE_SOCKET_IPV6,1,[Whether the system has ipv6 support]) fi dnl don't build ipv6 by default, unless the above test enables it, or dnl the configure uses --with-static-modules=socket_ipv6