Index: csync2-2.0+git.1368794815.cf835a7/rsync.c
===================================================================
--- csync2-2.0+git.1368794815.cf835a7.orig/rsync.c
+++ csync2-2.0+git.1368794815.cf835a7/rsync.c
@@ -461,7 +461,11 @@ int csync_rs_sigfile(const char *filenam
 		goto out;
 
 	csync_debug(3, "Running rs_sig_file() from librsync....\n");
+#ifdef RS_DEFAULT_STRONG_LEN
 	result = rs_sig_file(basis_file, sig_file, RS_DEFAULT_BLOCK_LEN, RS_DEFAULT_STRONG_LEN, &stats);
+#else
+	result = rs_sig_file(basis_file, sig_file, RS_DEFAULT_BLOCK_LEN, 8, RS_MD4_SIG_MAGIC, &stats);
+#endif
 	*sig_file_out = sig_file;
 	sig_file = NULL;
 	if (result != RS_DONE)