compile busybox for android

1. Download BusyBox source code from Busybox official website
   
   • wget http://www.busybox.net/downloads/busybox-1.18.3.tar.bz2
   • tar -jzvf busybox-1.18.3.tar.bz2
   
   
2. Download the ARM Toolkit, e.g. Sourcery G++ Lite 2008q1-126 for ARM GNU /Linux
   • wget http://www.codesourcery.com/sgpp/lite/arm/portal/package2549/public/arm-none-linux-gnueabi/arm-2008q1-126-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
   • tar -jzvf arm-2008q1-126-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
   
   
   note: using the newest toolchain compile busybox-1.18.1 failed, use this toolchain 4.2.3 compiled ok.
   
   
3. configure the busybox
   • cd busybox-1.18.3
   • make menuconfig
   • Busybox Settings -> Build Options ->
     [*] Build BusyBox as a static binary (no shared libs)
     (/yourpath/arm-2008q3/bin/arm-none-linux-gnueabi-) Cross Compiler prefex
   • Busybox Settings -> Installation Options->
     [*] Don’t use /usr
   
   
4. compile the busybox
   if not set Cross Compiler prefix at step 3
   
   • make CROSS_COMPILE=/yourpath/arm-2008q1/bin/arm-none-linux-gnueabi- LDFLAGS="--static" CFLAGS="--static"
   else
   
   • make LDFLAGS="--static" CFLAGS="--static"
     
   
   
5. Get the Busybox binary
• file busybox
  busybox: ELF 32-bit LSB executable, ARM, version 1 (SYSV), statically linked, for GNU/Linux 2.6.14, stripped

Reference :
http://blog.csdn.net/sunrock/archive/2011/01/10/6127424.aspx

http://blog.csdn.net/liaoshengjiong/archive/2009/03/04/3957725.aspx
http://wadefs.blogspot.com/2010/10/cross-compile-busybox-for-android.html