This is is pre-built compiler tool chain for various platforms cross-compiling for various ARM targets.

Prepare installation.

mkdir -p /embedded/arm-cortex
cd /embedded/arm-cortex

Install latest version.

wget https://launchpad.net/gcc-arm-embedded/5.0/5-2015-q4-major/+download/gcc-arm-none-eabi-5_2-2015q4-20151219-linux.tar.bz2
tar xjvf gcc-arm-none-eabi-5_2-2015q4-20151219-linux.tar.bz2

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