package/asterisk: add optional libvorbis dependency

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/asterisk/asterisk.mk

@@ -103,7 +103,6 @@ ASTERISK_CONF_OPTS = \
 	--without-tonezone \
 	--without-unbound \
 	--without-unixodbc \
-	--without-vorbis \
 	--without-vpb \
 	--without-x11 \
 	--with-crypt \
@@ -188,6 +187,13 @@ else
 ASTERISK_CONF_OPTS += --without-speex  --without-speexdsp
 endif
 
+ifeq ($(BR2_PACKAGE_LIBVORBIS),y)
+ASTERISK_DEPENDENCIES += libvorbis
+ASTERISK_CONF_OPTS += --with-vorbis
+else
+ASTERISK_CONF_OPTS += --without-vorbis
+endif
+
 ifeq ($(BR2_PACKAGE_ZLIB),y)
 ASTERISK_DEPENDENCIES += zlib
 ASTERISK_CONF_OPTS += --with-z