1 files changed, 8 insertions, 0 deletions
diff --git a/Parser/pgenmain.c b/Parser/pgenmain.c
index 3ca4afe..671a0cb 100644
--- a/Parser/pgenmain.c
+++ b/Parser/pgenmain.c
@@ -37,6 +37,14 @@ Py_Exit(int sts)
     exit(sts);
 }
 
+#ifdef WITH_THREAD
+/* Needed by obmalloc.c */
+int PyGILState_Check(void)
+{
+    return 1;
+}
+#endif
+
 int
 main(int argc, char **argv)
 {