clean up makefile a little bit.

Makefile

@@ -1,28 +1,30 @@
 LINK.o = $(LINK.cc)
 CXXFLAGS = -std=c++11 -g
 CCFLAGS = -g
-CPPFLAGS = -I .
 
-UNAME_S := $(shell uname -s)
 OBJS = dumpobj.o disassembler.o
 
+#UNAME_S := $(shell uname -s)
 #ifeq ($(UNAME_S),MINGW64_NT-10.0)
 ifeq ($(MSYSTEM),MINGW64)
-	OBJS += err.o
+	OBJS += mingw/err.o
+	CPPFLAGS += -I mingw/
 endif
 
-.PHONY: variables
-variables :
-	$(foreach v, $(.VARIABLES), $(info $(v) = $($(v))))
-	@echo
 
 dumpobj : $(OBJS)
 
 
 disassembler.o : disassembler.cpp disassembler.h
 dumpobj.o : dumpobj.cpp disassembler.h
-err.o : err.c err.h
+mingw/err.o : mingw/err.c mingw/err.h
 
 .PHONY: clean
 clean:
-	$(RM) dumpobj $(OBJS)
+	$(RM) dumpobj $(OBJS)
+
+
+.PHONY: variables
+variables :
+	$(foreach v, $(.VARIABLES), $(info $(v) = $($(v))))
+	@echo