tools: enable additional compiler warnings

Signed-off-by: Georg Schiesser <georg.schiesser@opentech.at>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

diff --git a/tools/Makefile b/tools/Makefile
index 55d0368b30576d53ea2ee97179e344d20600e0dc..dcbdfedda5f692f7374919879366d05b0a1f6168 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -13,7 +13,7 @@
 CC = $(CROSS_COMPILE)gcc
 
 CFLAGS = -g -O3 -I../driver -DLIBEXECDIR=\"$(libexecdir)\" \
-       -Wall -Wmissing-declarations -Wmissing-prototypes \
+       -Wall -Wextra -Wmissing-declarations -Wmissing-prototypes \
        -DJAILHOUSE_VERSION=\"$(shell cat ../VERSION)\"
 
 TARGETS := jailhouse