configure.ac: add option to disable CUE

Makefile.am

@@ -1389,15 +1389,10 @@ libplaylist_plugins_a_SOURCES = \
 	src/playlist/CloseSongEnumerator.hxx \
 	src/playlist/MemorySongEnumerator.cxx \
 	src/playlist/MemorySongEnumerator.hxx \
-	src/playlist/cue/CueParser.cxx src/playlist/cue/CueParser.hxx \
 	src/playlist/plugins/ExtM3uPlaylistPlugin.cxx \
 	src/playlist/plugins/ExtM3uPlaylistPlugin.hxx \
 	src/playlist/plugins/M3uPlaylistPlugin.cxx \
 	src/playlist/plugins/M3uPlaylistPlugin.hxx \
-	src/playlist/plugins/CuePlaylistPlugin.cxx \
-	src/playlist/plugins/CuePlaylistPlugin.hxx \
-	src/playlist/plugins/EmbeddedCuePlaylistPlugin.cxx \
-	src/playlist/plugins/EmbeddedCuePlaylistPlugin.hxx \
 	src/playlist/plugins/PlsPlaylistPlugin.cxx \
 	src/playlist/plugins/PlsPlaylistPlugin.hxx \
 	src/playlist/PlaylistRegistry.cxx src/playlist/PlaylistRegistry.hxx
@@ -1411,6 +1406,15 @@ PLAYLIST_LIBS = \
 	$(EXPAT_LIBS) \
 	$(FLAC_LIBS)
 
+if ENABLE_CUE
+libplaylist_plugins_a_SOURCES += \
+	src/playlist/cue/CueParser.cxx src/playlist/cue/CueParser.hxx \
+	src/playlist/plugins/CuePlaylistPlugin.cxx \
+	src/playlist/plugins/CuePlaylistPlugin.hxx \
+	src/playlist/plugins/EmbeddedCuePlaylistPlugin.cxx \
+	src/playlist/plugins/EmbeddedCuePlaylistPlugin.hxx
+endif
+
 if ENABLE_DESPOTIFY
 libplaylist_plugins_a_SOURCES += \
 	src/lib/despotify/DespotifyUtils.cxx \

configure.ac

@@ -787,6 +787,12 @@ MPD_ENABLE_AUTO_PKG(mms, MMS, [libmms >= 0.4],
 	[libmms mms:// protocol support], [libmms not found])
 
 dnl ---------------------------------------------------------------------------
+dnl Playlist Plugins
+dnl ---------------------------------------------------------------------------
+
+MPD_ARG_ENABLE(cue, CUE, [CUE sheet parser], yes)
+
+dnl ---------------------------------------------------------------------------
 dnl Neighbor Plugins
 dnl ---------------------------------------------------------------------------
 

src/playlist/PlaylistRegistry.cxx

@@ -57,8 +57,10 @@ const struct playlist_plugin *const playlist_plugins[] = {
 #ifdef ENABLE_SOUNDCLOUD
 	&soundcloud_playlist_plugin,
 #endif
+#ifdef ENABLE_CUE
 	&cue_playlist_plugin,
 	&embcue_playlist_plugin,
+#endif
 	nullptr
 };