Ubuntu 12.04 is installed arm-linux-gcc-4.4.3.tar.gz (cross compile environment)

1.Download arm-linux-gcc-4.4.3.tar.gz

http://download.csdn.net/download/jwzhangjie/5183630

2.Create a directory

root@zhangjie:mkdir /usr/local/arm

3.Unzip the file

root@zhangjie:/usr/local/arm: tar xvf arm-linux-gcc-4.4.3.tar.gz

4.Set the environment variable

root@zhangjie:/usr/local/arm# vim /etc/bash.bashrc

In the last line

ARM_GCC=/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin
export PATH=$ARM_GCC:$PATH

root@zhangjie:/usr/local/arm# wq

5.Update environment variable

root@zhangjie:/usr/local/arm#source /etc/bash.bashrc

6.Check
the environment variable

root@zhangjie:/usr/local/arm# arm-linux-gcc -v

Using built-in specs.
Target: arm-none-linux-gnueabi
Configured with: /opt/FriendlyARM/mini2440/build-toolschain/working/src/gcc-4.4.3/configure --build=i386-build_redhat-linux-gnu --host=i386-build_redhat-linux-gnu --target=arm-none-linux-gnueabi --prefix=/opt/FriendlyARM/toolschain/4.4.3 --with-sysroot=/opt/FriendlyARM/toolschain/4.4.3/arm-none-linux-gnueabi//sys-root
--enable-languages=c,c++ --disable-multilib --with-arch=armv4t --with-cpu=arm920t --with-tune=arm920t --with-float=soft --with-pkgversion=ctng-1.6.1 --disable-sjlj-exceptions --enable-__cxa_atexit --with-gmp=/opt/FriendlyARM/toolschain/4.4.3 --with-mpfr=/opt/FriendlyARM/toolschain/4.4.3
--with-ppl=/opt/FriendlyARM/toolschain/4.4.3 --with-cloog=/opt/FriendlyARM/toolschain/4.4.3 --with-mpc=/opt/FriendlyARM/toolschain/4.4.3 --with-local-prefix=/opt/FriendlyARM/toolschain/4.4.3/arm-none-linux-gnueabi//sys-root --disable-nls --enable-threads=posix
--enable-symvers=gnu --enable-c99 --enable-long-long --enable-target-optspace
Thread model: posix
gcc version 4.4.3 (ctng-1.6.1)