diff -r 7790ad8332ba Python/sysmodule.c
--- a/Python/sysmodule.c	Sat Mar 05 20:38:24 2011 +0100
+++ b/Python/sysmodule.c	Thu Mar 17 12:24:20 2011 +0800
@@ -978,8 +978,14 @@
 		return;
 
 	python = strstr(headurl, "/python/");
-	if (!python)
-		Py_FatalError("subversion keywords missing");
+	if (!python) {
+		*patchlevel_revision = '\0';
+		strcpy(branch, "");
+		strcpy(shortbranch, "unknown");
+		svn_revision = "";
+		return;
+		/* Py_FatalError("subversion keywords missing"); */
+	}
 
 	br_start = python + 8;
 	br_end = strchr(br_start, '/');