audio/oss: build as module

Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Message-id: 20180306074053.22856-6-kraxel@redhat.com

audio/Makefile.objs

 common-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
 common-obj-$(CONFIG_AUDIO_SDL) += sdlaudio.o
-common-obj-$(CONFIG_AUDIO_OSS) += ossaudio.o
 common-obj-$(CONFIG_SPICE) += spiceaudio.o
 common-obj-$(CONFIG_AUDIO_COREAUDIO) += coreaudio.o
 common-obj-$(CONFIG_AUDIO_DSOUND) += dsoundaudio.o
@@ -14,9 +13,13 @@ sdlaudio.o-libs := $(SDL_LIBS)
 paaudio.o-libs := $(PULSE_LIBS)
 coreaudio.o-libs := $(COREAUDIO_LIBS)
 dsoundaudio.o-libs := $(DSOUND_LIBS)
-ossaudio.o-libs := $(OSS_LIBS)
 
 # alsa module
 common-obj-$(CONFIG_AUDIO_ALSA) += alsa.mo
 alsa.mo-objs = alsaaudio.o
 alsa.mo-libs := $(ALSA_LIBS)
+
+# oss module
+common-obj-$(CONFIG_AUDIO_OSS) += oss.mo
+oss.mo-objs = ossaudio.o
+oss.mo-libs := $(OSS_LIBS)

configure

@@ -5974,7 +5974,7 @@ echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
 for drv in $audio_drv_list; do
     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
     case "$drv" in
-	alsa)
+	alsa | oss)
 	    echo "$def=m" >> $config_host_mak ;;
 	*)
 	    echo "$def=y" >> $config_host_mak ;;