diff --git a/Makefile b/Makefile
index 0c912d9..b4b2e3b 100755
--- a/Makefile
+++ b/Makefile
@@ -92,6 +92,8 @@ endif
 
 CPPFLAGS += -DHAVE_CEIL -DCP_USE_CGTYPES=0 -DCP_USE_DOUBLES=0 -DHAVE_FLOOR -DHAVE_FMOD -DHAVE_LRINT -DHAVE_LRINTF $(includeflag) -MD $(WARNING_FLAGS) -I. -DVER=\"$(VER)\" -DCOM=\"$(COM)\" -DINFO=\"$(INFO)\" #-DENABLE_SINC_MEDIUM_CONVERTER -DENABLE_SINC_FAST_CONVERTER -DCP_COLLISION_TYPE_TYPE=uintptr_t -DCP_BITMASK_TYPE=uintptr_t
 
+CPPFLAGS += -D_FILE_OFFSET_BITS=64 # for tinycdb
+
 # ENABLE_SINC_[BEST|FAST|MEDIUM]_CONVERTER
 # default, fast and medium available in game at runtime; best available in editor
 
@@ -223,15 +225,15 @@ $(DISTDIR)/$(DIST): $(BIN)/$(NAME)
 $(BIN)/libengine.a: $(OBJS) 
 	@$(AR) rcs $@ $(OBJS)
 
-$(BIN)/libcdb.a:
+CDB_C != find $(CDB) -name *.c
+CDB_O := $(patsubst %.c, %.o, $(CDB_C))
+$(CDB)/libcdb.a: $(CDB_O)
 	mkdir -p $(BIN)
 	rm -f $(CDB)/libcdb.a
-	make -C $(CDB) CC=$(CC) AR=$(AR) libcdb.a
-	cp $(CDB)/libcdb.a $(BIN)
-
-tools/libcdb.a:
-	make -C $(CDB) libcdb.a
-	mv $(CDB)/libcdb.a tools
+	ar rv $@ $^
+	
+tools/libcdb.a: $(CDB)/libcdb.a
+	cp $(CDB)/libcdb.a tools
 
 DOCOS = Sound gameobject Game Window physics Profile Time Player Mouse IO Log ColorMap sprite SpriteAnim Render Geometry
 DOCHTML := $(addsuffix .api.html, $(DOCOS))
@@ -269,7 +271,7 @@ $(OBJDIR)/%.o: %.c source/engine/core.cdb.h $(SHADERS)
 
 $(OBJDIR)/%.o: %.cpp
 	@mkdir -p $(@D)
-	@echo Making C++ object $@ with $(CXX)
+	@echo Making C++ object $@
 	@$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
 
 $(OBJDIR)/%.o: %.m
@@ -300,7 +302,7 @@ core.cdb: packer $(CORE)
 	chmod 644 out.cdb
 	mv out.cdb core.cdb
 
-CDB_C != find $(CDB) -name *.c
+
 packer: tools/packer.c tools/libcdb.a
 	cc $^ -I$(CDB) -o packer
 
@@ -327,9 +329,9 @@ crossmac:
 
 clean:
 	@echo Cleaning project
-	@rm -rf bin dist
-	@rm -f shaders/*.sglsl.h shaders/*.metal core.cdb jso cdb packer TAGS
-	@rm source/engine/core.cdb.h
+	rm -rf bin dist
+	rm -f shaders/*.sglsl.h shaders/*.metal core.cdb jso cdb packer TAGS source/engine/core.cdb.h tools/libcdb.a
+	rm $(CDB)/*.o
 	@make -C quickjs clean
 
 docs: doc/prosperon.org