diff --git a/.gitignore b/.gitignore
index ffb88be..ca7106d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 demo
+parsercheck
 *.o
 fd-*.h
 imgui.ini
diff --git a/Makefile b/Makefile
index d41e530..1980fd7 100644
--- a/Makefile
+++ b/Makefile
@@ -11,8 +11,8 @@ LIBS += $(shell sdl2-config --libs) -lGL -lGLEW -ldl \
 FILEDUMPS =
 
 IMGUI = imgui.cpp imgui_draw.cpp
-DEMO = \
-	 main.cc \
+
+COMMON = \
 	 imgui_impl_sdl.cc \
 	 \
 	 utilities.cc \
@@ -30,6 +30,10 @@ DEMO = \
 	 sync.cc \
 	 control.cc \
 	 opast.cc \
+# END COMMON
+
+DEMO = \
+	 main.cc \
 	 \
 	 demo.cc \
 	 \
@@ -37,29 +41,52 @@ DEMO = \
 	 bloom.cc \
 	 dof.cc \
 	 combine.cc \
-	 fxaa.cc
+	 fxaa.cc \
+# END DEMO
+
+PARSERCHECK = \
+	 parsercheck.cc \
+# END PARSERCHECK
 
 
 IMGUI_OBJS = $(addprefix $(OUTDIR)/, $(addsuffix .o, $(basename $(IMGUI))))
+COMMON_OBJS = $(addprefix $(OUTDIR)/, $(addsuffix .o, $(basename $(COMMON))))
 DEMO_OBJS = $(addprefix $(OUTDIR)/, $(addsuffix .o, $(basename $(DEMO))))
-OBJS = $(IMGUI_OBJS) $(DEMO_OBJS)
+PARSERCHECK_OBJS = $(addprefix $(OUTDIR)/, $(addsuffix .o, $(basename $(PARSERCHECK))))
 LIBEBCL = $(OUTDIR)/ebcl/libebcorelib.a
 PCH=externals.hh.gch
 
+COMMON_DEPS = $(COMMON_OBJS:$(OUTDIR)/%.o=$(OUTDIR)/%.d)
 DEMO_DEPS = $(DEMO_OBJS:$(OUTDIR)/%.o=$(OUTDIR)/%.d)
+PARSERCHECK_DEPS = $(PARSERCHECK_OBJS:$(OUTDIR)/%.o=$(OUTDIR)/%.d)
 
-demo:	$(LIBEBCL) $(OBJS)
+COMMON_REQ = $(COMMON_OBJS) $(IMGUI_OBJS)
+
+DEMO_BUILD = $(DEMO_OBJS) $(COMMON_REQ)
+PARSERCHECK_BUILD = $(PARSERCHECK_OBJS) $(COMMON_REQ)
+
+ALL_OBJS = $(DEMO_OBJS) $(PARSERCHECK_OBJS) $(COMMON_REQ)
+ALL_DEPS = $(COMMON_DEPS) $(DEMO_DEPS) $(PARSERCHECK_DEPS)
+
+
+all:	demo parsercheck
+
+demo:	$(LIBEBCL) $(DEMO_BUILD)
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -o demo \
-		$(OBJS) $(LIBS)
+		$(DEMO_BUILD) $(LIBS)
+
+parsercheck: $(LIBEBCL) $(PARSERCHECK_BUILD)
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -o parsercheck \
+		$(PARSERCHECK_BUILD) $(LIBS)
 
 clean:
-	rm -f $(OBJS) $(FILEDUMPS) demo $(PCH)
+	rm -f $(ALL_OBJS) $(FILEDUMPS) demo parsercheck $(PCH)
 
 fullclean: clean
 	@+make -C ebcl fullclean CONFIG=../ebcl-config
-	rm -f $(DEMO_DEPS)
+	rm -f $(ALL_DEPS)
 
-.PHONY: clean fullclean
+.PHONY: all clean fullclean
 
 
 $(FILEDUMPS): fd-%.h: %
@@ -70,15 +97,34 @@ outdir:
 	@if ! [ -d "$(OUTDIR)" ]; then mkdir "$(OUTDIR)"; fi
 .PHONY: outdir
 
+#-------------------------------------------------------------------------------
+
 $(IMGUI_OBJS): $(OUTDIR)/%.o: imgui/%.cpp | outdir
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
 
--include $(DEMO_DEPS)
+#-------------------------------------------------------------------------------
 
+-include $(DEMO_DEPS)
 $(DEMO_OBJS): $(OUTDIR)/%.o: %.cc $(PCH) | outdir $(FILEDUMPS)
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -M -MF $(@:%.o=%.d) -MT $@ $<
 
+#-------------------------------------------------------------------------------
+
+-include $(COMMON_DEPS)
+$(COMMON_OBJS): $(OUTDIR)/%.o: %.cc $(PCH) | outdir $(FILEDUMPS)
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -M -MF $(@:%.o=%.d) -MT $@ $<
+
+#-------------------------------------------------------------------------------
+
+-include $(PARSERCHECK_DEPS)
+$(PARSERCHECK_OBJS): $(OUTDIR)/%.o: %.cc $(PCH) | outdir $(FILEDUMPS)
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -M -MF $(@:%.o=%.d) -MT $@ $<
+
+#-------------------------------------------------------------------------------
+
 $(LIBEBCL):	ebcl-config
 	+make -C ebcl CONFIG=../ebcl-config
 
diff --git a/parsercheck.cc b/parsercheck.cc
new file mode 100644
index 0000000..387c9aa
--- /dev/null
+++ b/parsercheck.cc
@@ -0,0 +1,3 @@
+int main( )
+{
+}