-SOURCES_gtk_main = gtk_main.c
-SOURCES_gnome_main = gtk_main.c
-SOURCES_gtk2_main = gtk_main.c
-SOURCES_gnome2_main = gtk_main.c
+BASE_SUBDIRS = dummy memcpy notify testsuite playlist stats osd xml probe
+EXTRA_SUBDIRS = lua
+
+SUBDIRS = $(BASE_SUBDIRS)
+DIST_SUBDIRS = $(BASE_SUBDIRS) $(EXTRA_SUBDIRS)
+
+if BUILD_LUA
+SUBDIRS += lua
+endif
+