ubuntu下搭建arm交叉编译环境
apt-get install binutils-arm-linux-gnueabi #arm交叉编译工具链
#GNU binary utilities, for arm-linux-gnueabi target
apt-get install cpp-4.6-arm-linux-gnueabi #arm c/c++ 宏预处理程序
#GNU C preprocessor
apt-get install g++-4.6-arm-linux-gnueabi #arm g++ 编译程序
#GNU C++ compiler
apt-get install gcc-4.6-arm-linux-gnueabi # arm gcc 编译器，包括libc基础库
#GNU C compiler
apt-get install gcc-4.6-arm-linux-gnueabi-base #arm gcc 编译器的基础库
# GCC, the GNU Compiler Collection (base package)
apt-get installl libc6-armel-cross # arm 平台运行库
# GCC, the GNU Compiler Collection (base package)
apt-get install libc6-dev-armel-cross #arm 平台开发库（头文件与链接库）
# Embedded GNU C Library: Development Libraries and Header Files (for cross-compiling)
apt-get install libgcc1-armel-cross #arm平台的libc库
# GCC support library
apt-get install libgcc1-armel-cross # GCC support library
apt-get install libgomp1-armel-cross #GCC OpenMP (GOMP) support library
apt-get install libgucharmap-2-90-7 #Unicode browser widget library (shared library)
apt-get install libstdc++6-4.6-dev-armel-cross # libstdc++6-4.6-dev-armel-cross
apt-get install libstdc++6-armel-cross # GNU Standard C++ Library v3
apt-get install linux-libc-dev-armel-cross # Linux Kernel Headers for development (for cross-compiling)