Bootstrap

openwrt SDK, 利用SDK生成自己的ipk安装包

Openwrt SDK是一个可再定位的，预编译好的OpenWrt工具链，适用于在不从头开始编译整个系统的前提下，针对一个特定平台交叉编译单个用户空间包。
使用SDK的原因：
为了保证二进制和特性兼容性，针对特定的发行版编译自定义软件
编译更新版本的指定包文件

使用自定义的补丁或者不同特性来重新编译已经存在的包


#-----官方文档如下
   This is the OpenWrt SDK. It contains a stripped-down version of the buildroot. You can use it to test/develop packages without having to compile your own toolchain or any of the libraries included with OpenWrt.
To use it, just put your buildroot-compatible package directory in the subdir 'package/' and run 'make' from this directory.

#------ OPENWRT集成非官方包之Makefile规则
include $(TOPDIR)/rules.mk

PKG_NAME:=[软件包名字 和文件夹名称一样]
PKG_VERSION:=[软件包版本 自己写个]
PKG_RELEASE:=1

PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

include $(INCLUDE_DIR)/package.mk

define Package/$(PKG_NAME)
        SECTION:=utils
        CATEGORY:=[软件包在menuconfig里的位置 比如Base system]
        DEPENDS:=[依赖包 两个之间通过空格分隔 前面加+为默认显示 选中该软件包自动选中依赖包 不加+为默认不显示 选中依赖包才显示]
        TITLE:=[标题]
        PKGARCH:=[平台 比如ar71xx 全部写all]
        MAINTAINER:=[作者]
endef

define Package/$(PKG_NAME)/description
        [软件包简介]
endef


#非本目录下的源码文件, 拷贝到此相应目录下.

# 如../../xucommon/xucommon.c, 则将 xucommon.c 拷贝到此目录下的源码的 ../../ 

define Build/Prepare

    mkdir -p $(PKG_BUILD_DIR)
    $(CP) ./src/* $(PKG_BUILD_DIR)/

endef

define Build/Configure
endef

define Build/Compile
endef

define Package/$(PKG_NAME)/conffiles
[升级时保留文件/备份时备份文件 一个文件一行]
endef

define Package/$(PKG_NAME)/install
        $(CP) ./files/* $(1)/
endef

define Package/$(PKG_NAME)/preinst
[安装前执行的脚本 记得加上#!/bin/sh 没有就空着]
    #!/bin/sh
    uci -q batch <<-EOF >/dev/null
     delete ucitrack.@aria2[-1]
     add ucitrack aria2
     set ucitrack.@aria2[-1].init=aria2
     commit ucitrack
    EOF
    exit 0
endef

define Package/$(PKG_NAME)/postinst
[安装后执行的脚本 记得加上#!/bin/sh 没有就空着]
    #!/bin/sh
     rm -f /tmp/luci-indexcache
    exit 0
endef

Package/$(PKG_NAME)/prerm
[删除前执行的脚本 记得加上#!/bin/sh 没有就空着]
endef

Package/$(PKG_NAME)/postrm
[删除后执行的脚本 记得加上#!/bin/sh 没有就空着]
endef

$(eval $(call BuildPackage,$(PKG_NAME)))
---------------------------------------------------------------------

# --- 自己的例程: httpclient 目录下的 Makefile 
include $(TOPDIR)/rules.mk

PKG_NAME:=httpclient
PKG_RELEASE:=1
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

include $(INCLUDE_DIR)/package.mk

define Package/httpclient
  SECTION:=utils
  CATEGORY:=Utilities
  TITLE:=HTTP Client Demo
endef

define Package/httpclient/description
 HTTP Client Demo
endef

define Build/Prepare
 mkdir -p $(PKG_BUILD_DIR)
 $(CP) ./src/* $(PKG_BUILD_DIR)/
endef

define Package/httpclient/install
 $(INSTALL_DIR) $(1)/usr/sbin
 $(INSTALL_BIN) $(PKG_BUILD_DIR)/httptest $(1)/usr/sbin/ 
 $(INSTALL_DIR) $(1)/etc/config
 $(INSTALL_CONF) ./files/test.lua $(1)/etc/config/test.lua
endef

$(eval $(call BuildPackage,$(PKG_NAME)))

#--- ser2net 之Makefile 
include $(TOPDIR)/rules.mk

PKG_NAME:=ser2net
PKG_VERSION:=2.7
PKG_RELEASE:=2

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=@SF/ser2net
PKG_MD5SUM:=22977477789868923a5de09a85e847dd

PKG_FIXUP:=libtool
PKG_INSTALL:=1

include $(INCLUDE_DIR)/package.mk

define Package/ser2net
  SECTION:=net
  CATEGORY:=Network
  TITLE:=Serial port TCP/IP redirector
  URL:=http://sourceforge.net/projects/ser2net/
endef

define Package/ser2net/description
  This is ser2net, a program for allowing network connections to serial ports.
  See the man page for information about using the program. Note that ser2net
  supports RFC 2217 (remote control of serial port parameters), but you must
  have a complient client.
endef

define Package/ser2net/conffiles
/etc/ser2net.conf
endef

# uses GNU configure

define Package/ser2net/install
 $(INSTALL_DIR) $(1)/usr/sbin
 $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/ser2net $(1)/usr/sbin/
 $(INSTALL_DIR) $(1)/etc
 $(INSTALL_CONF) $(PKG_BUILD_DIR)/ser2net.conf $(1)/etc/
endef

$(eval $(call BuildPackage,ser2net))


#--- uhttpd 之 Makefile 

include $(TOPDIR)/rules.mk
PKG_NAME:=uhttpd
PKG_RELEASE:=31

PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
PKG_CONFIG_DEPENDS := \
 CONFIG_PACKAGE_uhttpd-mod-lua \
 CONFIG_PACKAGE_uhttpd-mod-tls \
 CONFIG_PACKAGE_uhttpd-mod-tls_cyassl \
 CONFIG_PACKAGE_uhttpd-mod-tls_openssl

include $(INCLUDE_DIR)/package.mk

define Package/uhttpd/default
  SECTION:=net
  CATEGORY:=Network
  SUBMENU:=Web Servers/Proxies
  TITLE:=uHTTPd - tiny, single threaded HTTP server
  MAINTAINER:=Jo-Philipp Wich
endef

define Package/uhttpd
  $(Package/uhttpd/default)
  MENU:=1
endef

define Package/uhttpd/description
 uHTTPd is a tiny single threaded HTTP server with TLS, CGI and Lua
 support. It is intended as a drop-in replacement for the Busybox
 HTTP daemon.
endef


define Package/uhttpd-mod-tls
  $(Package/uhttpd/default)
  TITLE+= (TLS plugin)
  DEPENDS:=uhttpd +PACKAGE_uhttpd-mod-tls_cyassl:libcyassl +PACKAGE_uhttpd-mod-tls_openssl:libopenssl
endef

define Package/uhttpd-mod-tls/description
 The TLS plugin adds HTTPS support to uHTTPd.
endef

define Package/uhttpd-mod-tls/config
        choice
                depends on PACKAGE_uhttpd-mod-tls
                prompt "TLS Provider"
                default PACKAGE_uhttpd-mod-tls_cyassl

                config PACKAGE_uhttpd-mod-tls_cyassl
                        bool "CyaSSL"

                config PACKAGE_uhttpd-mod-tls_openssl
                        bool "OpenSSL"
        endchoice
endef

UHTTPD_TLS:=
TLS_CFLAGS:=
TLS_LDFLAGS:=

ifneq ($(CONFIG_PACKAGE_uhttpd-mod-tls_cyassl),)
  UHTTPD_TLS:=cyassl
  TLS_CFLAGS:=-I$(STAGING_DIR)/usr/include/cyassl -DTLS_IS_CYASSL
  TLS_LDFLAGS:=-lcyassl -lm
endif

ifneq ($(CONFIG_PACKAGE_uhttpd-mod-tls_openssl),)
  UHTTPD_TLS:=openssl
  TLS_CFLAGS:=-DTLS_IS_OPENSSL
  TLS_LDFLAGS:=-lssl
endif

define Package/uhttpd-mod-lua
  $(Package/uhttpd/default)
  TITLE+= (Lua plugin)
  DEPENDS:=uhttpd +liblua
endef

define Package/uhttpd-mod-lua/description
 The Lua plugin adds a CGI-like Lua runtime interface to uHTTPd.
endef


TARGET_CFLAGS += $(TLS_CFLAGS)
TARGET_LDFLAGS += -Wl,-rpath-link=$(STAGING_DIR)/usr/lib
MAKE_VARS += \
 FPIC="$(FPIC)" \
 LUA_SUPPORT="$(if $(CONFIG_PACKAGE_uhttpd-mod-lua),1)" \
 TLS_SUPPORT="$(if $(CONFIG_PACKAGE_uhttpd-mod-tls),1)" \
 UHTTPD_TLS="$(UHTTPD_TLS)" \
 TLS_CFLAGS="$(TLS_CFLAGS)" \
 TLS_LDFLAGS="$(TLS_LDFLAGS)"

define Build/Prepare
 mkdir -p $(PKG_BUILD_DIR)
 $(CP) ./src/* $(PKG_BUILD_DIR)/
endef

define Package/uhttpd/conffiles
/etc/config/uhttpd
/etc/uhttpd.crt
/etc/uhttpd.key
endef

define Package/uhttpd/install
 $(INSTALL_DIR) $(1)/etc/init.d
 $(INSTALL_BIN) ./files/uhttpd.init $(1)/etc/init.d/uhttpd
 $(INSTALL_DIR) $(1)/etc/config
 $(INSTALL_CONF) ./files/uhttpd.config $(1)/etc/config/uhttpd
 $(INSTALL_DIR) $(1)/usr/sbin
 $(INSTALL_BIN) $(PKG_BUILD_DIR)/uhttpd $(1)/usr/sbin/uhttpd
endef

define Package/uhttpd-mod-tls/install
 $(INSTALL_DIR) $(1)/usr/lib
 $(INSTALL_BIN) $(PKG_BUILD_DIR)/uhttpd_tls.so $(1)/usr/lib/
endef

define Package/uhttpd-mod-lua/install
 $(INSTALL_DIR) $(1)/usr/lib
 $(INSTALL_BIN) $(PKG_BUILD_DIR)/uhttpd_lua.so $(1)/usr/lib/
endef


$(eval $(call BuildPackage,uhttpd))
$(eval $(call BuildPackage,uhttpd-mod-tls))
$(eval $(call BuildPackage,uhttpd-mod-lua))




具体操作如下:


利用 SDK 生成自己的ipk安装包, 
下载  http://pan.baidu.com/share/link?shareid=123840&uk=1577556057

1. 解压
tar jxvf OpenWrt-SDK-ar71xx-for-linux-i486-gcc-4.6-linaro_uClibc-0.9.33.2.tar.bz2

2. 进入目录
cd OpenWrt-SDK-ar71xx-for-linux-i486-gcc-4.6-linaro_uClibc-0.9.33.2

3. 将自己的代码目录拷贝到本目录的 package目录下
   注意 Makefile 必须遵守openwrt的规则, 可参考
   http://blog.chinaunix.net/uid-27194309-id-3432651.html

4. 编译, 成功后在bin/ar71xx/packages目录下可以看到相关的ipk文件, 可用winscp 拷贝出来
#编译所有组件
make V=99  

#单独编译某个组件
make package/hid/compile

5. 安装到路由器上实验, 这个你们都懂的

#注: SDK的目录不要改动, 否则出现如下错误
xxg@xxg-desktop:~/SDK-ar71xx-gcc-4.6-linaro_uClibc-0.9.33.2$ make
/bin/sh: /home/xxg/OpenWrt-SDK-ar71xx-for-linux-i486-gcc-4.6-linaro_uClibc-0.9.33.2/staging_dir/host/bin/find: not found
/bin/sh: /home/xxg/OpenWrt-SDK-ar71xx-for-linux-i486-gcc-4.6-linaro_uClibc-0.9.33.2/staging_dir/host/bin/find: not found

悦读

道可道，非常道；名可名，非常名。 无名，天地之始，有名，万物之母。 故常无欲，以观其妙，常有欲，以观其徼。 此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。

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