Patch #497098: build support for GNU/Hurd.
diff --git a/acconfig.h b/acconfig.h
index 94826ad..e954200 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -19,6 +19,12 @@
/* Define if you have the Mach cthreads package */
#undef C_THREADS
+/* Define if you are using Mach cthreads under mach / */
+#undef MACH_C_THREADS
+
+/* Define if you are using Mach cthreads directly under /include */
+#undef HURD_C_THREADS
+
/* Define to `long' if <time.h> doesn't define. */
#undef clock_t
@@ -47,6 +53,9 @@
/* struct addrinfo (netdb.h) */
#undef HAVE_ADDRINFO
+/* Define if you have the getaddrinfo function. */
+#undef HAVE_GETADDRINFO
+
/* struct sockaddr_storage (sys/socket.h) */
#undef HAVE_SOCKADDR_STORAGE