Add -std=c99 to Makefile

diff --git a/Makefile b/Makefile
index b1494caa722facd98cc9df22a497991f59427ed9..d3c131f6d66bd61311cd71e2e80a25b39a947e1c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ SRCS = parse.y doas.c env.c
 
 include config.mk
 
-CFLAGS := -I. -Ilibopenbsd -O2 -Wall -Wextra ${OS_CFLAGS} ${CFLAGS}
+CFLAGS := -I. -Ilibopenbsd -O2 -Wall -Wextra -std=c99 ${OS_CFLAGS} ${CFLAGS}
 
 all: ${PROG}