+###### Sound and audio CD #####
+
+OBJ_SND_COMMON=snd_main.o snd_mem.o snd_mix.o snd_ogg.o snd_wav.o
+
+# No sound
+OBJ_SND_NULL=snd_null.o
+LIB_SND_NULL=
+
+# Open Sound System (Linux, FreeBSD and Solaris)
+OBJ_SND_OSS=$(OBJ_SND_COMMON) snd_oss.o
+LIB_SND_OSS=
+
+# Advanced Linux Sound Architecture (Linux)
+OBJ_SND_ALSA=$(OBJ_SND_COMMON) snd_alsa.o
+LIB_SND_ALSA=-lasound
+
+# Core Audio (Mac OS X)
+OBJ_SND_COREAUDIO=$(OBJ_SND_COMMON) snd_coreaudio.c
+LIB_SND_COREAUDIO=
+
+# BSD / Sun audio API (NetBSD and OpenBSD)
+OBJ_SND_BSD=$(OBJ_SND_COMMON) snd_bsd.o
+LIB_SND_BSD=
+
+# DirectX and Win32 WAVE output (Win32)
+OBJ_SND_WIN=$(OBJ_SND_COMMON) snd_win.o
+LIB_SND_WIN=