Android自带的toolbox分析及扩展(3)

背景：

Android自带的toolbox分析及扩展

To build busybox

Download the latest version of busybox from the following website. At the time of writing the latest version was v.1.13.3.

the busybox source:

tar jxf busybox-1.13.3.tar.bz2Configure busybox by running menuconfig

cd busybox-1.13.3/
make menuconfigIn menuconfig set the following options

Busybox Settings --> Build Options --> Build Busybox as a static binary (no shared libs)  -  Enable this option by pressing "Y"
Busybox Settings --> Build Options --> Cross compiler prefix  -  Set this option equal to "arm-none-linux-gnueabi-"
Busybox Settings --> Installation Options --> Don't use /usr  -  Enable this option by pressing "Y"Export path to where the cross-compiler is located on the host, for example:

export PATH=/opt/arm/arm-2007q3/bin:$PATH
Build busybox

make

Installing Busybox

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To install busybox in the target file-system

Create a /bin directory in the target file-system. For example:

mkdir /<path-to-Android-fs>/binCopy the busybox binary to the /bin directory in the target file-system

cp busybox /<path-to-android-fs>/bin Install the busybox command line tools on the target by executing the following commands:

cd /bin
./busybox --install
 

Make the Busybox shell the default shell

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To make the busybox shell the default shell, edit the file "init.rc" in the target file-system as follows:

Edit the console service so that it runs the busybox shell and not the default shell by replacing:

service console /system/bin/shWith:

service console /bin/shAdd the path of the busybox command line tools to the system path variable by replacing:

export PATH /sbin:/system/sbin:/system/bin:/system/xbinWith

export PATH /bin:/sbin:/system/sbin:/system/bin:/system/xbin

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