From 3fe85b5ee82962394e500d1f29f4e8f79be30b0f Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Sat, 3 Feb 2018 16:35:08 +0100
Subject: zmq-sub: specify std=gnu99 as some compilers will default to c90

---
 zmqtest/zmq-sub/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zmqtest/zmq-sub/Makefile b/zmqtest/zmq-sub/Makefile
index f103d0d..82df891 100644
--- a/zmqtest/zmq-sub/Makefile
+++ b/zmqtest/zmq-sub/Makefile
@@ -1,6 +1,6 @@
 GIT_VERSION = $(shell git describe --long --all | cut -d "-" -f 3)
 
-CFLAGS = -Wall -g $(ZMQ_LIB) -DGIT_VERSION=\"$(GIT_VERSION)\"
+CFLAGS = -std=gnu99 -Wall -g $(ZMQ_LIB) -DGIT_VERSION=\"$(GIT_VERSION)\"
 LINK = -lzmq
 
 all: zmq-sub
-- 
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