utils: make it compatible with older gcc

SideChannelMarvels · Nov 17, 2016 · 481c7d2 · 481c7d2
1 parent 741f51e
commit 481c7d2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/utils/Makefile b/utils/Makefile
@@ -1,5 +1,5 @@
 CC=gcc
-CFLAGS=-Wall
+CFLAGS=-Wall -std=c99
 PREFIX=/usr/local
 BINS=aes_keyschedule des_keyschedule