1. git clone https://github.com/SWRT-dev/bcm-toolchains

2. cd bcm-toolchains

3. sudo mkdir -p /opt/toolchains/

   sudo ln -sf $(pwd)/hndtools-arm-linux-2.6.36-uclibc-4.5.3 /opt/toolchains/

   sudo mkdir -p /projects/

   sudo mkdir -p /projects/bca/

   sudo mkdir -p /projects/bca/tools/

   sudo mkdir -p /projects/bca/tools/linux/

   sudo mkdir -p /projects/bca/tools/linux/bin/

   sudo ln -sf $(pwd)/hndtools-armeabi-2013.11 /projects/bca/tools/linux/

   sudo ln -sf $(pwd)/fwtag.ini /projects/bca/tools/linux/bin/

   sudo ln -sf /projects/bca/ /projects/hnd/