Easy Install gcc Cross Compiler

We are using Linaro gcc armhf cross compiler, getting the binaries of gcc from the official or trusted source is preferred.

Why Cross Compiling

Cross compiler enables us to compile ARM code on x64/x86 machines with 10 times plus speed. we will use it for Kernel, U-Boot, and other compilation.

To understand what a cross compiler is, plz read http://en.wikipedia.org/wiki/Cross_compiler

Linaro gcc at launchpad.net:

Home Page: https://launchpad.net/linaro-toolchain-binaries/

Simple Install Linaro gcc on ubuntu 14.04

prerequisites

sudo apt-get -y install bc build-essential device-tree-compiler lsb-release lzma lzop fakeroot ccache

actual install

cd /opt
sudo wget http://releases.linaro.org/14.04/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2014.04_linux.tar.xz
sudo tar xvfJ gcc-linaro-arm-none-eabi-4.8-2014.04_linux.tar.xz
echo "PATH=/opt/gcc-linaro-arm-none-eabi-4.8-2014.04_linux.tar.xz/bin:${PATH}" >> ~/.bashrc

Or install with ubuntu system

apt-get install gcc-arm-linux-gnueabihf

test installation

re-login your console and test with:

root@avernus:~# arm-linux-gnueabihf-gcc
arm-linux-gnueabihf-gcc: fatal error: no input files
compilation terminated.

yeh! it works!

faq

请注意：这个工具包是32位程序，在某些不兼容32位程序的64位linux系统中会报如下错误

~# arm-linux-gnueabihf-gcc
zsh: no such file or directory: arm-linux-gnueabihf-gcc

Actuall Path Installed at

/opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.04-20130415_linux/arm-linux-gnueabihf/bin
/opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.04-20130415_linux/bin