From 80c75ed5050f446dafef63d58a95dd979f66d6a8 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 14 Mar 2017 08:50:32 +0000
Subject: [PATCH] firmware: fix for unwinder update.

---
 artiq/firmware/ksupport/glue.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/artiq/firmware/ksupport/glue.c b/artiq/firmware/ksupport/glue.c
index 0a6cd3eea..807ad563e 100644
--- a/artiq/firmware/ksupport/glue.c
+++ b/artiq/firmware/ksupport/glue.c
@@ -38,6 +38,11 @@ int fprintf(FILE *stream, const char *fmt, ...)
     return 0;
 }
 
+/* called by libunwind */
+int fflush(FILE *stream)
+{
+}
+
 /* called by libunwind */
 int dladdr (const void *address, Dl_info *info)
 {