From aa64b8ad7a8cfdcd19c75ae7be102f166b0e5b94 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Fri, 26 Jan 2018 23:01:24 +0000
Subject: [PATCH] runtime: build with -Cpanic=unwind.

This is required for backtraces to function. I'm not sure how it
turned out that master had -Cpanic=abort.
---
 artiq/firmware/runtime/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/firmware/runtime/Makefile b/artiq/firmware/runtime/Makefile
index 8e33691d2..7c5af5007 100644
--- a/artiq/firmware/runtime/Makefile
+++ b/artiq/firmware/runtime/Makefile
@@ -8,7 +8,7 @@ CFLAGS += \
 LDFLAGS += -L../libbase \
 	-L../libunwind
 
-RUSTFLAGS += -Cpanic=abort
+RUSTFLAGS += -Cpanic=unwind
 
 all:: runtime.bin runtime.fbi