diff --git a/Makefile b/Makefile
index a8d4147..da56bb8 100644
--- a/Makefile
+++ b/Makefile
@@ -4,12 +4,16 @@
 # Created by falkTX
 #
 
+include Makefile.mk
+
 all: libs plugins gen
 
 # --------------------------------------------------------------
 
 libs:
+ifeq ($(HAVE_DGL),true)
 	$(MAKE) -C dpf/dgl
+endif
 
 plugins: libs
 	$(MAKE) all -C plugins/3BandEQ
@@ -28,7 +32,9 @@ dpf/utils/lv2_ttl_generator:
 # --------------------------------------------------------------
 
 clean:
+ifeq ($(HAVE_DGL),true)
 	$(MAKE) clean -C dpf/dgl
+endif
 	$(MAKE) clean -C dpf/utils/lv2-ttl-generator
 	$(MAKE) clean -C plugins/3BandEQ
 	$(MAKE) clean -C plugins/3BandSplitter
diff --git a/Makefile.mk b/Makefile.mk
index a540947..68f7743 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -75,27 +75,27 @@ LINK_FLAGS      = $(LINK_OPTS) $(LDFLAGS)
 endif
 
 # --------------------------------------------------------------
-# Check for required libs
+# Check for optional libs
 
 ifeq ($(LINUX),true)
-ifneq ($(shell pkg-config --exists jack && echo true),true)
-$(error JACK missing, cannot continue)
-endif
-ifneq ($(shell pkg-config --exists gl && echo true),true)
-$(error OpenGL missing, cannot continue)
-endif
-ifneq ($(shell pkg-config --exists x11 && echo true),true)
-$(error X11 missing, cannot continue)
+HAVE_DGL   = $(shell pkg-config --exists gl x11 && echo true)
+HAVE_JACK  = $(shell pkg-config --exists jack   && echo true)
+HAVE_LIBLO = $(shell pkg-config --exists liblo  && echo true)
 endif
+
+ifeq ($(MACOS),true)
+HAVE_DGL = true
 endif
 
-ifneq ($(shell pkg-config --exists liblo && echo true),true)
-$(error liblo missing, cannot continue)
+ifeq ($(WIN32),true)
+HAVE_DGL = true
 endif
 
 # --------------------------------------------------------------
 # Set libs stuff
 
+ifeq ($(HAVE_DGL),true)
+
 ifeq ($(LINUX),true)
 DGL_FLAGS = $(shell pkg-config --cflags gl x11)
 DGL_LIBS  = $(shell pkg-config --libs gl x11)
@@ -109,6 +109,8 @@ ifeq ($(WIN32),true)
 DGL_LIBS  = -lopengl32 -lgdi32
 endif
 
+endif # HAVE_DGL
+
 # --------------------------------------------------------------
 # Set extension
 
diff --git a/dpf b/dpf
index 06d5881..17befcd 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit 06d588110317b544619871d50d02eb3cac32aff7
+Subproject commit 17befcdaa6d5e281aea22c5d83e3326f6ee9373c
diff --git a/plugins/3BandEQ/Makefile b/plugins/3BandEQ/Makefile
index 6e8aa64..33c6f0f 100644
--- a/plugins/3BandEQ/Makefile
+++ b/plugins/3BandEQ/Makefile
@@ -27,10 +27,29 @@ include ../Makefile.mk
 # --------------------------------------------------------------
 # Enable all possible plugin types
 
+ifeq ($(HAVE_DGL),true)
+ifeq ($(HAVE_JACK),true)
+TARGETS += jack
+endif
+endif
+
 ifeq ($(LINUX),true)
-all: jack ladspa dssi lv2_sep vst
+TARGETS += ladspa
+ifeq ($(HAVE_DGL),true)
+ifeq ($(HAVE_LIBLO),true)
+TARGETS += dssi
+endif
+endif
+endif
+
+ifeq ($(HAVE_DGL),true)
+TARGETS += lv2_sep
 else
-all: ladspa dssi lv2_sep vst
+TARGETS += lv2_dsp
 endif
 
+TARGETS += vst
+
+all: $(TARGETS)
+
 # --------------------------------------------------------------
diff --git a/plugins/3BandSplitter/Makefile b/plugins/3BandSplitter/Makefile
index 8c71344..73a269b 100644
--- a/plugins/3BandSplitter/Makefile
+++ b/plugins/3BandSplitter/Makefile
@@ -27,10 +27,29 @@ include ../Makefile.mk
 # --------------------------------------------------------------
 # Enable all possible plugin types
 
+ifeq ($(HAVE_DGL),true)
+ifeq ($(HAVE_JACK),true)
+TARGETS += jack
+endif
+endif
+
 ifeq ($(LINUX),true)
-all: jack ladspa dssi lv2_sep vst
+TARGETS += ladspa
+ifeq ($(HAVE_DGL),true)
+ifeq ($(HAVE_LIBLO),true)
+TARGETS += dssi
+endif
+endif
+endif
+
+ifeq ($(HAVE_DGL),true)
+TARGETS += lv2_sep
 else
-all: ladspa dssi lv2_sep vst
+TARGETS += lv2_dsp
 endif
 
+TARGETS += vst
+
+all: $(TARGETS)
+
 # --------------------------------------------------------------
diff --git a/plugins/Makefile.mk b/plugins/Makefile.mk
index a2faef6..5b40192 100644
--- a/plugins/Makefile.mk
+++ b/plugins/Makefile.mk
@@ -16,6 +16,18 @@ TARGET_DIR = ../../bin
 BUILD_C_FLAGS   += -I.
 BUILD_CXX_FLAGS += -I. -I../../dpf/distrho -I../../dpf/dgl
 
+ifeq ($(HAVE_DGL),true)
+BASE_FLAGS += -DHAVE_DGL
+endif
+
+ifeq ($(HAVE_JACK),true)
+BASE_FLAGS += -DHAVE_JACK
+endif
+
+ifeq ($(HAVE_LIBLO),true)
+BASE_FLAGS += -DHAVE_LIBLO
+endif
+
 # --------------------------------------------------------------
 # Set plugin binary file targets
 
@@ -28,17 +40,16 @@ lv2_dsp    = $(TARGET_DIR)/$(NAME).lv2/$(NAME)_dsp.$(EXT)
 lv2_ui     = $(TARGET_DIR)/$(NAME).lv2/$(NAME)_ui.$(EXT)
 vst        = $(TARGET_DIR)/$(NAME)-vst.$(EXT)
 
-ifeq ($(WIN32),true)
-dssi_ui += .exe
-endif
-
-# TODO: MacOS VST bundle
-
 # --------------------------------------------------------------
 # Set distrho code files
 
 DISTRHO_PLUGIN_FILES = ../../dpf/distrho/DistrhoPluginMain.cpp
+
+ifeq ($(HAVE_DGL),true)
 DISTRHO_UI_FILES     = ../../dpf/distrho/DistrhoUIMain.cpp ../../dpf/libdgl.a
+else
+TARGET_NOUI          = true
+endif
 
 # --------------------------------------------------------------
 # Handle plugins without UI
@@ -104,6 +115,7 @@ $(dssi_ui): $(OBJS_UI) $(DISTRHO_UI_FILES)
 # LV2
 
 lv2_one: $(lv2)
+lv2_dsp: $(lv2_dsp)
 lv2_sep: $(lv2_dsp) $(lv2_ui)
 
 $(lv2): $(OBJS_DSP) $(OBJS_UI) $(DISTRHO_PLUGIN_FILES) $(DISTRHO_UI_FILES)
diff --git a/plugins/PingPongPan/Makefile b/plugins/PingPongPan/Makefile
index 77888de..1e3cdcd 100644
--- a/plugins/PingPongPan/Makefile
+++ b/plugins/PingPongPan/Makefile
@@ -27,10 +27,29 @@ include ../Makefile.mk
 # --------------------------------------------------------------
 # Enable all possible plugin types
 
+ifeq ($(HAVE_DGL),true)
+ifeq ($(HAVE_JACK),true)
+TARGETS += jack
+endif
+endif
+
 ifeq ($(LINUX),true)
-all: jack ladspa dssi lv2_sep vst
+TARGETS += ladspa
+ifeq ($(HAVE_DGL),true)
+ifeq ($(HAVE_LIBLO),true)
+TARGETS += dssi
+endif
+endif
+endif
+
+ifeq ($(HAVE_DGL),true)
+TARGETS += lv2_sep
 else
-all: ladspa dssi lv2_sep vst
+TARGETS += lv2_dsp
 endif
 
+TARGETS += vst
+
+all: $(TARGETS)
+
 # --------------------------------------------------------------