Update makefile

makefile

@@ -20,14 +20,14 @@ build :
 	-@rm run
 	@echo ""
 	@echo "building :"
-	@cd objs && for src in ${SRCS}; do echo ${COMPILER} ${COMPILE_FLAG} ../$$src && ${COMPILER} ${COMPILE_FLAG} ../$$src;	done;
+	@cd ${OBJDIR} && for src in ${SRCS}; do echo ${COMPILER} ${COMPILE_FLAG} ../$$src && ${COMPILER} ${COMPILE_FLAG} ../$$src;	done;
 
 link:
-	${COMPILER} objs/* ${LD_FLAG} run
+	${COMPILER} ${OBJDIR}/* ${LD_FLAG} run
 
 winlink:
 	-rm run.exe
-	${COMPILER} objs/* ${LD_FLAG} run.exe
+	${COMPILER} ${OBJDIR}/* ${LD_FLAG} run.exe
 
 winrun:
 	WINEDEBUG=-all wine run.exe