package/aubio: add ffmpeg libav optional dependency

Aubio libav support require libavcodec, libavformat, libavutil and
libavresample. Enable libav support only when
BR2_PACKAGE_FFMPEG_AVRESAMPLE is set.

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/aubio/aubio.mk

@@ -13,8 +13,7 @@ AUBIO_INSTALL_STAGING = YES
 
 AUBIO_CONF_OPTS = \
 	--disable-docs \
-	--disable-atlas \
-	--disable-avcodec
+	--disable-atlas
 
 ifeq ($(BR2_PACKAGE_LIBSNDFILE),y)
 AUBIO_DEPENDENCIES += libsndfile
@@ -49,4 +48,11 @@ else  # !BR2_PACKAGE_FFTW
 AUBIO_CONF_OPTS += --disable-fftw3
 endif
 
+ifeq ($(BR2_PACKAGE_FFMPEG_AVRESAMPLE),y)
+AUBIO_DEPENDENCIES += ffmpeg
+AUBIO_CONF_OPTS += --enable-avcodec
+else
+AUBIO_CONF_OPTS += --disable-avcodec
+endif
+
 $(eval $(waf-package))