audio: stubbed out build for CoreAudio support

Refs #57975

Change-Id: Ib7faa1e3594d4211cb496061532f68cb7431a1c3

daemon/configure.ac

@@ -599,6 +599,7 @@ AC_CONFIG_FILES([Makefile \
                  src/audio/alsa/Makefile \
                  src/audio/opensl/Makefile \
                  src/audio/jack/Makefile \
+                 src/audio/coreaudio/Makefile \
                  src/audio/sound/Makefile \
                  src/audio/codecs/Makefile \
                  src/config/Makefile \

daemon/src/audio/Makefile.am

@@ -20,6 +20,8 @@ if BUILD_JACK
 SUBDIRS += jack
 endif
 
+SUBDIRS += coreaudio
+
 if BUILD_SPEEXDSP
 SFL_SPEEXDSP_SRC=dsp.cpp
 SFL_SPEEXDSP_HEAD=dsp.h
@@ -77,6 +79,11 @@ if BUILD_ALSA
 libaudio_la_LIBADD += ./alsa/libalsalayer.la
 endif
 
+if HAVE_OSX
+#FIXME: not built yet
+#libaudio_la_LIBADD += ./coreaudio/libcoreaudiolayer.la
+endif
+
 if BUILD_OPENSL
 libaudio_la_LIBADD += ./opensl/libopensl.la
 libaudio_la_LDFLAGS += -lOpenSLES

daemon/src/audio/coreaudio/Makefile.am

+# FIXME: implement!