audio: rename CONFIG_* to CONFIG_AUDIO_*

This avoids a name clash for CONFIG_SDL, which is used by both sdl video
support and sdl audio support.  It also more clear that this is a audio
driver configuration.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-13-kraxel@redhat.com

audio/Makefile.objs

@@ -1,11 +1,11 @@
 common-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
-common-obj-$(CONFIG_SDL) += sdlaudio.o
-common-obj-$(CONFIG_OSS) += ossaudio.o
+common-obj-$(CONFIG_AUDIO_SDL) += sdlaudio.o
+common-obj-$(CONFIG_AUDIO_OSS) += ossaudio.o
 common-obj-$(CONFIG_SPICE) += spiceaudio.o
-common-obj-$(CONFIG_COREAUDIO) += coreaudio.o
-common-obj-$(CONFIG_ALSA) += alsaaudio.o
-common-obj-$(CONFIG_DSOUND) += dsoundaudio.o
-common-obj-$(CONFIG_PA) += paaudio.o
+common-obj-$(CONFIG_AUDIO_COREAUDIO) += coreaudio.o
+common-obj-$(CONFIG_AUDIO_ALSA) += alsaaudio.o
+common-obj-$(CONFIG_AUDIO_DSOUND) += dsoundaudio.o
+common-obj-$(CONFIG_AUDIO_PA) += paaudio.o
 common-obj-$(CONFIG_AUDIO_PT_INT) += audio_pt_int.o
 common-obj-$(CONFIG_AUDIO_WIN_INT) += audio_win_int.o
 common-obj-y += wavcapture.o

audio/audio_int.h

@@ -25,7 +25,7 @@
 #ifndef QEMU_AUDIO_INT_H
 #define QEMU_AUDIO_INT_H
 
-#ifdef CONFIG_COREAUDIO
+#ifdef CONFIG_AUDIO_COREAUDIO
 #define FLOAT_MIXENG
 /* #define RECIPROCAL */
 #endif

configure

@@ -5981,7 +5981,7 @@ if test "$cap_ng" = "yes" ; then
 fi
 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
 for drv in $audio_drv_list; do
-    def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
+    def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
     echo "$def=y" >> $config_host_mak
 done
 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak