【Openwrt】开发环境搭建 编译openwrt源码
【Openwrt】开发环境搭建 编译openwrt源码https://oscimg.oschina.net/oscnet/69adeab2-9596-4517-bfa3-6ef3a43d5708.gif前言
openwrt源码的编译相对简单，部分编译过程中出现问题可能是由于用的是root用户，现在 winddows10带wrl-ubuntu虚拟机很棒的，我用的是Ubuntu, 默认是没有提供root用户， 如果切换成普通用户下载并编译可能会更顺利一些。
获取openwrt源码
下载openwrt源码 ,注意要用gitee国内站，如用用的github国外站慢的开始怀疑人生。编译时常会出问题，希望一切胜利 ， Good luck
$ git clone https://gitee.com/mirrors/openwrt.git -b <分支版本>当下载好openwrt源码后,进入openwrt文件夹
$ cd openwrt/查看openwrt文件夹内容
$ ls列出文件夹的内容如下
BSDmakefileconfigConfig.infeeds.conf.defaultincludeLICENSEMakefilepackageREADMErules.mkscriptstargettoolchaintools对于上述出现的文件，首先第一步要看的内容就是README$ cat README
出现内容如下所示
_______ ________ __
| |.-----.-----.-----.||||.----.||_
| - ||_|-__| |||||| _|| _|
|_______|| __|_____|__|__||________||__||____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
This is the buildsystem for the OpenWrt Linux distribution.
To build your own firmware you need a Linux, BSD or MacOSX system (casesensitive filesystem required). Cygwin is unsupported because of the lackof a case sensitive file system.
You need gcc, binutils, bzip2, flex, python3.5+, perl, make, find, grep, diff,unzip, gawk, getopt, subversion, libz-dev and libc headers installed.
1. Run "./scripts/feeds update -a" to obtain all the latest package definitionsdefined in feeds.conf / feeds.conf.default
2. Run "./scripts/feeds install -a" to install symlinks for all obtainedpackages into package/feeds/
3. Run "make menuconfig" to select your preferred configuration for thetoolchain, target system & firmware packages.
4. Run "make" to build your firmware. This will download all sources, buildthe cross-compile toolchain and then cross-compile the Linux kernel & allchosen applications for your target system.
Sunshine! Your OpenWrt Community http://www.openwrt.org
"README" 34L, 1299C 1,1 All
Openwrt开发环境搭建
阅读README内容，openwrt开发环境安装依赖工具链以及库：gcc, binutils, bzip2, flex, python3.5+, perl, make, find, grep, diff,unzip, gawk, getopt, subversion, libz-dev 和 libc 安装库以及工具链（依我的经验多加了一些）
sudo apt-get update
sudo apt-get install git g++ make libncurses5-dev subversion libssl-dev gawk libxml-parser-perl unzip wget python xz-utils vim zlibc zlib1g zlib1g-devbuild-essential ccache gettext xsltproc flex patch asciidoc binutils bzip2bisonautoconf sharutils ncurses-term
如果是 64 位操作系统，需要多操作如下步骤：（注意libc6:i386 libncurses5:i386 libstdc++6:i386 中间要加冒号）
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386
编译openwrt源码
阅读README，有步骤1.2.3.4.共四步。这四步就是openwrt源码的编译步骤。
如下
1、更新源码包$ ./scripts/feeds update -a
2、安装到/package/feeds
$ ./scripts/feeds update -a
3、编译配置
$ make menuconfig可能会出错Build dependency: Please install the GNU C++ Compiler (g++).//安装 gcc g++如果要编译ARM平台 需要arm-linux-gcc
Build dependency: Please install ncurses. (Missing libncurses.so or ncurses.h)//安装ncurese
Build dependency: Please install zlib. (Missing libz.so or zlib.h) //安装zlib
Build dependency: Please install GNU awk.www.2cto.com//sudo apt-get install gawk 注意名称
Build dependency: Please install flex. //安装flex
Build dependency: Please install patch. //安装pathc
Build dependency: Please install git (git-core). //安装git
Build dependency: Please install the subversion client.//安装subversion client
环境检测通过的话，运行到这步的时候会出现openwrt的配置界面
https://oscimg.oschina.net/oscnet/23a095a3-17c1-405a-bc91-194ecdbbafc0.pnghttps://oscimg.oschina.net/oscnet/f28cac48-a419-4c2a-979c-c27d069cd31b.png各种参数即可通过这里设置。
将Target Profile 设置为 可支持硬件板子Target Profile
1. Multiple devices (TARGET_MULTI_PROFILE) //多种硬件
2. Broadcom SoC, BCM43xx WiFi (b43, brcmfmac, default) (TARGET_bcm53xx_generic_Generic) //博通的Soc
3. ASUS RT-AC56U (TARGET_bcm53xx_generic_DEVICE_asus_rt-ac56u)//华硕主板
4. ASUS RT-AC68U (TARGET_bcm53xx_generic_DEVICE_asus_rt-ac68u)
5. ASUS RT-AC87U (TARGET_bcm53xx_generic_DEVICE_asus_rt-ac87u)
6. ASUS RT-N18U (TARGET_bcm53xx_generic_DEVICE_asus_rt-n18u)
7. Buffalo WXR-1900DHP (TARGET_bcm53xx_generic_DEVICE_buffalo_wxr-1900dhp)//我不认识这个了
8. Buffalo WZR-600DHP2 (TARGET_bcm53xx_generic_DEVICE_buffalo_wzr-600dhp2)
9. Buffalo WZR-900DHP (TARGET_bcm53xx_generic_DEVICE_buffalo_wzr-900dhp)
10. Buffalo WZR-1750DHP (TARGET_bcm53xx_generic_DEVICE_buffalo_wzr-1750dhp)
11. D-Link DIR-885L (TARGET_bcm53xx_generic_DEVICE_dlink_dir-885l)//D-Link DIR-885L路由器
12. Linksys EA6300 v1 (TARGET_bcm53xx_generic_DEVICE_linksys_ea6300-v1)//以下的都不识
13. Linksys EA6500 v2 (TARGET_bcm53xx_generic_DEVICE_linksys_ea6500-v2)
14. Linksys EA9200 v1 (TARGET_bcm53xx_generic_DEVICE_linksys_ea9200)
15. Linksys EA9500 (TARGET_bcm53xx_generic_DEVICE_linksys_ea9500)
16. Luxul ABR-4500 (TARGET_bcm53xx_generic_DEVICE_luxul_abr-4500)
17. Luxul XAP-1610 (TARGET_bcm53xx_generic_DEVICE_luxul_xap-1610)
18. Luxul XBR-4500 (TARGET_bcm53xx_generic_DEVICE_luxul_xbr-4500)
19. Luxul XWR-3150 (TARGET_bcm53xx_generic_DEVICE_luxul_xwr-3150)
20. Meraki MR32 (TARGET_bcm53xx_generic_DEVICE_meraki_mr32)
21. NETGEAR R6250 (TARGET_bcm53xx_generic_DEVICE_netgear_r6250)
22. NETGEAR R6300 v2 (TARGET_bcm53xx_generic_DEVICE_netgear_r6300-v2)
23. NETGEAR R7000 (TARGET_bcm53xx_generic_DEVICE_netgear_r7000)
24. NETGEAR R7900 (TARGET_bcm53xx_generic_DEVICE_netgear_r7900)
25. NETGEAR R8000 (TARGET_bcm53xx_generic_DEVICE_netgear_r8000)
26. NETGEAR R8500 (TARGET_bcm53xx_generic_DEVICE_netgear_r8500)
27. SmartRG SR400ac (TARGET_bcm53xx_generic_DEVICE_smartrg_sr400ac)
28. PHICOMM K3 (TARGET_bcm53xx_generic_DEVICE_phicomm_k3) //小米 PHICOMM K3路由器
29. Tenda AC9 (TARGET_bcm53xx_generic_DEVICE_tenda_ac9)//腾达 AC9路由器
30. TP-Link Archer C5 v2 (TARGET_bcm53xx_generic_DEVICE_tplink_archer-c5-v2)//TP-Link Archer C5 路由器
31. TP-Link Archer C9 v1 (TARGET_bcm53xx_generic_DEVICE_tplink_archer-c9-v1) //TP-Link Archer C9 路由器
市场上路由基本上用OpenWrt做的。
我的开发板是MT7628的选择
MediaTek Ralink MIPS(MTK MIPS)
Subtarget(MT76x8 base boards)
选择Package the OpenWrt-base Toolchain是为了有搭建交叉编译环境方便，不是必选的。
Target System (MediaTek Ralink MIPS) --->
Subtarget (MT76x8 based boards) --->
Target Profile (Jotale JS76x8 16M)
LuCI--->
1. Collections--->
<*> luci................... LuCI interface with Uhttpd as Webserver (default)
此外，勾选LuCI(网页形式的控制台)还是非常必要的。要勾选(前面出现*号)：
最后Save，退出。
以上是基本的固件编译，如果需要其他功能，要再勾选或添加。
4、最后 make 编译 $ make -j10编码出错了，package/utils/busybox/Makefile' has a dependency on 'libpam', which does not exist
不写了，解决问题后，下回写吧(编译出错是正常的，后面会相关总结，每次编译出错，我都会记录下来）
编译好了，找个设备试试吧！ 本帖最后由 sunsili 于 2023-7-19 11:52 编辑
编译openwrt出错笔记：
【openwrt】编译OpenWRT 出错m4和findutils库 freadahead.c文件错误-谷动谷力 (sunsili.com)
【openwrt】openwrt CC 编译错误 Error: invalid instruction suffix for `p...-谷动谷力 (sunsili.com)
【openwrt】编译OpenWRT 出错unsquashfs undefined reference to makedev解...-谷动谷力 (sunsili.com)
【openwrt】编译OpenWRT15.05（Chaos Calmer）u-boot-2014.10 rsa-sign出错-谷动谷力 (sunsili.com)
【openwrt】openwrt内核编译libustream-openssl出错 解决-谷动谷力 (sunsili.com)
【openwrt】openwrt编译错误解决经验总结-谷动谷力 (sunsili.com)
【openwrt】openwrt CC 编译时出现automake解压错误-谷动谷力 (sunsili.com)
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