+# If you want CD sound in Mac OS X
+#OBJ_MACOSXCD=cd_macosx.o
+# If you want no CD audio
+OBJ_MACOSXCD=$(OBJ_NOCD)
+
+# Link
+LDFLAGS_MACOSXCL=$(LDFLAGS_UNIXCOMMON) -ldl $(LDFLAGS_UNIXCL)
+LDFLAGS_MACOSXSV=$(LDFLAGS_UNIXCOMMON) -ldl
+LDFLAGS_MACOSXSDL=$(LDFLAGS_UNIXCOMMON) -ldl `sdl-config --static-libs`
+
+OBJ_AGL= builddate.c sys_linux.o vid_agl.o $(OBJ_SOUND) $(OBJ_CD) $(OBJ_COMMON)
+
+##### SunOS specific variables #####
+
+# No CD support available
+OBJ_SUNOSCD=$(OBJ_NOCD)
+
+CFLAGS_SUNOS=-I/usr/lib/oss/include -DBSD_COMP
+
+# Link
+LDFLAGS_SUNOSCL=$(LDFLAGS_UNIXCOMMON) -ldl -lsocket -lnsl $(LDFLAGS_UNIXCL)
+LDFLAGS_SUNOSSV=$(LDFLAGS_UNIXCOMMON) -ldl -lsocket -lnsl
+LDFLAGS_SUNOSSDL=$(LDFLAGS_UNIXCOMMON) -ldl -lsocket -lnsl $(LDFLAGS_UNIXSDL)
+
+
+##### BSD specific variables #####