-OBJ_D = util.o code.o ast.o ir.o conout.o ftepp.o opts.o fs.o utf8.o correct.o
-OBJ_P = util.o fs.o conout.o opts.o pak.o
-OBJ_T = test.o util.o conout.o fs.o
-OBJ_C = main.o lexer.o parser.o fs.o
-OBJ_X = exec-standalone.o util.o conout.o fs.o
+ifeq ($(shell valgrind --version 2>/dev/null),)
+ CFLAGS += -DNVALGRIND
+endif
+
+# do this last otherwise there is whitespace in the command output and
+# it makes my OCD act up
+CFLAGS += $(OPTIONAL_CFLAGS)
+LDFLAGS += $(OPTIONAL_LDFLAGS)
+
+#we have duplicate object files when dealing with creating a simple list
+#for dependinces. To combat this we use some clever recrusive-make to
+#filter the list and remove duplicates which we use for make depend
+RMDUP = $(if $1,$(firstword $1) $(call RMDUP,$(filter-out $(firstword $1),$1)))
+DEPS := $(call RMDUP, $(OBJ_P) $(OBJ_T) $(OBJ_C) $(OBJ_X))