tools: Include EXTRA_CFLAGS into build

This allows to pass in additional flags or override existing ones, just
like it is already possible for the parts under Kbuild control.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

diff --git a/tools/Makefile b/tools/Makefile
index cfda7f9e7cb77efce36cc72414e9998ab2be0a07..64b10640db496e2d816041954dbfd6036176fd22 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -14,7 +14,7 @@ CC = $(CROSS_COMPILE)gcc
 
 CFLAGS = -g -O3 -I../driver -DLIBEXECDIR=\"$(libexecdir)\" \
        -Wall -Wextra -Wmissing-declarations -Wmissing-prototypes \
-       -DJAILHOUSE_VERSION=\"$(shell cat ../VERSION)\"
+       -DJAILHOUSE_VERSION=\"$(shell cat ../VERSION)\" $(EXTRA_CFLAGS)
 
 TARGETS := jailhouse