directfb: added directfb tests installation option

Signed-off-by: Lionel Landwerlin <llandwerlin@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/directfb/Config.in

@@ -98,4 +98,7 @@ config BR2_PACKAGE_DIRECTB_DITHER_RGB16
 	  Enable dithering when loading images to RGB16 surfaces.
 	  This increases the data section by 64 KBytes.
 
+config BR2_PACKAGE_DIRECTB_TESTS
+	bool "build directfb tests"
+
 endif # BR2_PACKAGE_DIRECTFB

package/directfb/directfb.mk

@@ -121,6 +121,12 @@ else
 DIRECTFB_DITHER_RGB16:=--with-dither-rgb16=none
 endif
 
+ifeq ($(BR2_PACKAGE_DIRECTB_TESTS),y)
+DIRECTFB_TESTS:=--with-tests
+else
+DIRECTFB_TESTS:=
+endif
+
 DIRECTFB_CONF_OPT = \
 	--localstatedir=/var \
 	--with-gfxdrivers=$(DIRECTFB_GFX) \
@@ -146,7 +152,8 @@ DIRECTFB_CONF_OPT = \
 	--disable-sdl \
 	--disable-vnc \
 	--disable-video4linux \
-	--disable-video4linux2
+	--disable-video4linux2 \
+	$(DIRECTFB_TESTS)
 
 DIRECTFB_DEPENDENCIES = $(DIRECTFB_DEP) freetype $(DIRECTFB_FUSION)