1. 交叉编译环境搭建:
(1)caihuanming@ubuntu:/home/caihuanming# #不是root用户
tar xvf arm-linux-gcc-3.4.5-glibc-2.3.6.tar.bz2 -C ./ #注意是xvf不是xvzf
(2)caihuanming@ubuntu:/home/caihuanming#
export PATH=$PATH:/home/caihuanming/gcc-3.4.5-glibc-2.3.6/bin
(3)caihuanming@ubuntu:/home/caihuanming#echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/caihuanming/gcc-3.4.5-glibc-2.3.6/bin
(4)sudo vim /