openwrt 编译环境搭建及Makefile

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openwrt 编译环境搭建及Makefile

Openwrt编译环境搭建

    操作系统 centos-5.8 64位

 

    安装gnome, 可使用Xmanager

   #yum -y groupinstall "X Window System"

   #yum -y groupinstall "Desktop"

 

    安装svn

   #yum install subversion 

 

    下载openwrt源码

查看文本打印
  1. #svn co svn://svn.openwrt.org/openwrt/trunk/  
  2.   
  3. 地址:https://dev.openwrt.org/wiki/GetSource  

   # make menuconfig, 报错

1. Please install the GNU C++ Compiler (g++).

    #yum install gcc-c++;

 

2. Please install ncurses. (Missing libncurses.so or ncurses.h)

    #yum install ncurses;

    #yum install ncurses-devel;

 

3. Please install zlib. ( Missing libz.so or zlib.h)

    #yum install zlib-devel

 

4. Please install git(git-core) v1.6.5 or later.

    下载地址:http://git-scm.com/downloads, 点击Old releases.

    用wget工具: #wget https://www.kernel.org/pub/software/scm/git/git-1.9.2.tar.gz

    #vim INSTALL;

    #make prefix=/usr all doc info ;# as yourself

   

    缺少ssl.h       #yum install openssl-devel;

    缺少curl    http.h:54: error: expected specifier-qualifier-list before ‘CURLcode’

    #yum install curl

    还是缺少curl

    #yum install curl-devel

 

    warning: expat.h缺少

    #yum install expat-devel;

 

    /bin/sh: msgfmt command not found;

    #yum install gettext;

 

    /bin/sh: asciidoc command not found;

        安装mercurial

       #wget http://mercurial.selenic.com/release/mercurial-3.0.tar.gz

        #cd mercurial

       #make

       #make install

        mercurial/base85.c:13:20: error: Python.h: No such file or directory

           安装python

           #yum install python

           #yum install python-devel

           此时make install 时, 提示需要安装python-docutils

           wget http://cznic.dl.sourceforge.net/project/docutils/docutils/0.11/docutils-0.11.tar.gz

               #wget  https://www.python.org/ftp/python/3.4.0/Python-3.4.0.tgz

               报错:ERROR: certificate common name `*.c.ssl.fastly.net' doesn't match requested host name `www.python.org'.

               #wget --no-check-certificate https://www.python.org/ftp/python/3.4.0/Python-3.4.0.tgz

    #hg clone -r 8.6.9 https://asciidoc.googlecode.com/hg/ asciidoc-8.6.9

    #autoconf: autoconf command not found

        #yum install autoconf

 

     git安装好之后,#make menuconfig正常, 选定LuCI, 生成.config(trunk下原来是没有.config文件的)

     #vim README

     "./scripts/feeds update -a" to get all the latest package definitions defined in feeds.conf/ feeds.conf.default respectively.

     feeds.conf.default里需要下载的packege的几条git 和svn 的路径地址。

     "./scripts/feeds install -a" to install symlinks of all of them into package/feeds/

    在package/feeds/luci/中(原本是没有该目录的), 可以看到一些链接, ll看一下

     例:community-profiles -> ../../../feeds/luci/contrib/package/community-profiles/

                                                     此处的feeds是trunk目录下的feeds目录, 原来也是没有的。.

    #make 

 

    在./tmp/.config-packge.in中(此.config-package.in也是make menuconfig生成的), 有menu "LuCI"的配置

    在.config中, CONFIG_PACKAGE_luci=y

    在./tmp/.config中,CONFIG_PACKAGE_luci=y

    在./tmp/.packagedeps:package-$(CONFIG_PACKAGE_luci) += feeds/luci/luci 中

 

    太多的Makefile和config.in都是后来生成的, 有必要从开始Makefile看起。

 

一: make menuconfig V=99过程

      topdir的Makfile中, include $(TOPDIR)/include/toplevel.mk

      toplevel.mk中, 

      menuconfig: scripts/config/mconf prepare-tmpinfo FORCE

    if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
      cp $(HOME)/.openwrt/defconfig .config; \
    fi
    $< Config.in

 

    (1)  scripts/config/mconf, toplevel.mk中,:

                   $(_SINGLE)$(SUBMAKE) -s -C scripts/config allCC="$(HOSTCC_WRAPPER)" 

                                                //export MAKEFLAGS= ;umask 022; make -w -s -C scripts/config all CC="gcc"

                                             // topdir的Makefile中, _SINGLE=export MAKEFLAGS=$(space)

                             //toplevel.mk中,SUBMAKE :=umask 022; $(SUBMAKE)              umask 022, 表示默认的文件夹权限为755(777-022). 文件权限为644(666-022)?

         scrpts/config/Makefile中,

                                    all:conf mconf

                                    conf: $(conf-objs)  //conf-objs :conf.o zconf.tab.o

            mconf: $(mconf-objs) $(lxidag-objs)

                                            $(CC) -o $@ $^ $(call check_lxdialog, ldflags, $(CC)) , 

                                                           生成mconf, 至此, menuconfig的第一个依赖, scripts/config/mconf 完成, 生成/scripts/config/mconf文件

    (2)prepare-tmpinfo, 

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