package/bluez5_utils: enable support for external ell

Bluez5' support for the mesh profile needs ell, the Embedded Linux
Library, at least version 0.28.

Although Bluez5 bundles an internal copy of ell version 0.28, we prefer
building with external libraries.

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/bluez5_utils/Config.in

@@ -62,6 +62,7 @@ config BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HEALTH
 
 config BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_MESH
 	bool "build mesh profile"
+	select BR2_PACKAGE_ELL
 	select BR2_PACKAGE_JSON_C
 	select BR2_PACKAGE_READLINE
 	help

package/bluez5_utils/bluez5_utils.mk

@@ -53,10 +53,10 @@ endif
 
 # enable mesh profile
 ifeq ($(BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_MESH),y)
-BLUEZ5_UTILS_CONF_OPTS += --enable-mesh
-BLUEZ5_UTILS_DEPENDENCIES += json-c readline
+BLUEZ5_UTILS_CONF_OPTS += --enable-external-ell --enable-mesh
+BLUEZ5_UTILS_DEPENDENCIES += ell json-c readline
 else
-BLUEZ5_UTILS_CONF_OPTS += --disable-mesh
+BLUEZ5_UTILS_CONF_OPTS += --disable-external-ell --disable-mesh
 endif
 
 # enable midi profile