directfb: allow to enable debug and trace support

This change adds two new options, BR2_PACKAGE_DIRECTFB_DEBUG
to enable lots of debugging output from DirectFB and
BR2_PACKAGE_DIRECTFB_TRACE to enable support for call traces
in case of a crash.

Signed-off-by: Sven Neumann <s.neumann@raumfeld.com>

package/directfb/Config.in

@@ -11,7 +11,18 @@ config BR2_PACKAGE_DIRECTFB_MULTI
 	select BR2_PACKAGE_LINUX_FUSION
 	help
 	  Enable use of multiple concurrent DirectFB applications
-	  http://www.directfb.org/
+
+config BR2_PACKAGE_DIRECTFB_DEBUG
+	bool "directfb debugging"
+	depends on BR2_PACKAGE_DIRECTFB
+	help
+	  Compile DirectFB with lots of debug output
+
+config BR2_PACKAGE_DIRECTFB_TRACE
+	bool "directfb call trace support"
+	depends on BR2_PACKAGE_DIRECTFB
+	help
+	  Enable call tracing for DirectFB applications
 
 config BR2_PACKAGE_DIRECTFB_XSERVER
 	bool "build with X server backend"

package/directfb/directfb.mk

@@ -19,6 +19,19 @@ else
 DIRECTFB_MULTI:=
 DIRECTFB_FUSION:=
 endif
+
+ifeq ($(BR2_PACKAGE_DIRECTFB_DEBUG),y)
+DIRECTFB_DEBUG:=--enable-debug
+else
+DIRECTFB_DEBUG:=
+endif
+
+ifeq ($(BR2_PACKAGE_DIRECTFB_TRACE),y)
+DIRECTFB_TRACE:=--enable-trace
+else
+DIRECTFB_TRACE:=
+endif
+
 ifeq ($(BR2_PACKAGE_XSERVER),y)
 DIRECTFB_X:=--enable-x11
 else
@@ -111,6 +124,8 @@ DIRECTFB_CONF_OPT = \
 	--enable-shared \
 	--disable-explicit-deps \
 	$(DIRECTFB_MULTI) \
+	$(DIRECTFB_DEBUG) \
+	$(DIRECTFB_TRACE) \
 	$(DIRECTFB_X) \
 	$(DIRECTFB_JPEG) \
 	$(DIRECTFB_PNG) \