构建自己的OPENWRT 资源仓库

本人所写的博客都为开发之中遇到问题记录的随笔，主要是给自己积累些问题。免日后无印象，如有不当之处敬请指正(欢迎进扣群 24849632 探讨问题），如需转载，请复制全部内容包括此行； 

OpenWRT的副本在机器上创建得多，每个副本都有一个dl文件夹，占用硬盘空间就很大，所以能不能多个副本共用同一个DL文件夹呢？答案肯定是可以的，只需要将修改 rules.mk  文件即可

#
# Copyright (C) 2006-2010 OpenWrt.org
# Copyright (C) 2016 LEDE Project
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

ifneq ($(__rules_inc),1)
__rules_inc=1

ifeq ($(DUMP),)
  -include $(TOPDIR)/.config
endif
include $(TOPDIR)/include/debug.mk
include $(TOPDIR)/include/verbose.mk

ifneq ($(filter check,$(MAKECMDGOALS)),)
CHECK:=1
DUMP:=1
endif

export TMP_DIR:=$(TOPDIR)/tmp
export TMPDIR:=$(TMP_DIR)

qstrip=$(strip $(subst ",,$(1)))
#"))

empty:=
space:= $(empty) $(empty)
comma:=,
merge=$(subst $(space),,$(1))
confvar=$(shell echo '$(foreach v,$(1),$(v)=$(subst ','\'',$($(v))))' | $(STAGING_DIR