Add 'make config' option, which will print available features

Makefile

@@ -124,6 +124,11 @@ clean:
 
 # -------------------------------------------------------------------------------------------------------------------------------------
 
+config:
+	$(MAKE) config -C source/backend
+
+# -------------------------------------------------------------------------------------------------------------------------------------
+
 debug:
 	$(MAKE) DEBUG=true
 

source/backend/Makefile

@@ -4,6 +4,8 @@
 # Created by falkTX
 #
 
+include ../Makefile.mk
+
 # --------------------------------------------------------------
 
 all:
@@ -29,3 +31,89 @@ debug:
 
 doc: CarlaBackend.doxygen
 	doxygen $^
+
+# --------------------------------------------------------------
+
+ANS_NO=\033[31m NO \033[0m
+ANS_YES=\033[32m YES \033[0m
+
+config:
+	@echo "\033[33m||| Engine drivers: \033[0m"
+ifeq ($(HAVE_ALSA),true)
+	@echo "ALSA:      $(ANS_YES)"
+else
+	@echo "ALSA:      $(ANS_NO)"
+endif
+ifeq ($(HAVE_JACK),true)
+	@echo "JACK:      $(ANS_YES)"
+else
+	@echo "JACK:      $(ANS_NO)"
+endif
+ifeq ($(HAVE_PULSEAUDIO),true)
+	@echo "PulseAudio:$(ANS_YES)"
+else
+	@echo "PulseAudio:$(ANS_NO)"
+endif
+	@echo ""
+
+	@echo "\033[33m||| Plugin formats: \033[0m"
+	@echo "Internal:$(ANS_YES)"
+ifeq ($(CARLA_PLUGIN_SUPPORT),true)
+	@echo "LADSPA:  $(ANS_YES)"
+	@echo "DSSI:    $(ANS_YES)"
+	@echo "LV2:     $(ANS_NO) (to be re-implemented soon)"
+	@echo "VST:     $(ANS_YES)"
+else
+	@echo "LADSPA:  $(ANS_NO)"
+	@echo "DSSI:    $(ANS_NO)"
+	@echo "LV2:     $(ANS_NO)"
+	@echo "VST:     $(ANS_NO)"
+endif
+	@echo ""
+
+	@echo "\033[33m||| Sample formats: \033[0m"
+ifeq ($(HAVE_LINUXSAMPLER),true)
+	@echo "GIG:$(ANS_YES)"
+else
+	@echo "GIG:$(ANS_NO)"
+endif
+ifeq ($(HAVE_FLUIDSYNTH),true)
+	@echo "SF2:$(ANS_YES)"
+else
+	@echo "SF2:$(ANS_NO)"
+endif
+ifeq ($(HAVE_LINUXSAMPLER),true)
+	@echo "SFZ:$(ANS_YES)"
+else
+	@echo "SFZ:$(ANS_NO)"
+endif
+	@echo ""
+
+	@echo "\033[33m||| Internal plugins: \033[0m"
+ifeq ($(HAVE_AF_DEPS),true)
+	@echo "AudioFile:  $(ANS_YES)"
+else
+	@echo "AudioFIle:  $(ANS_NO)"
+endif
+
+ifeq ($(HAVE_MF_DEPS),true)
+	@echo "MidiFile:   $(ANS_YES)"
+else
+	@echo "MidiFile:   $(ANS_NO)"
+endif
+
+ifeq ($(HAVE_OPENGL),true)
+	@echo "DISTRHO:    $(ANS_YES)"
+else
+	@echo "DISTRHO:    $(ANS_NO)"
+endif
+
+ifeq ($(HAVE_ZYN_DEPS),true)
+ifeq ($(HAVE_ZYN_UI_DEPS),true)
+	@echo "ZynAddSubFX:$(ANS_YES) (with UI)"
+else
+	@echo "ZynAddSubFX:$(ANS_YES) (without UI)"
+endif
+else
+	@echo "ZynAddSubFX:$(ANS_NO)"
+endif

source/backend/Makefile.mk

@@ -35,7 +35,7 @@ BUILD_CXX_FLAGS += -DWANT_JACK
 endif
 
 ifeq ($(HAVE_JACK_LATENCY),true)
-BUILD_CXX_FLAGS += -DWANT_JACK_LATENCY
+# BUILD_CXX_FLAGS += -DWANT_JACK_LATENCY # unfinished
 endif
 
 ifeq ($(HAVE_JACK2),true)