#!/bin/sh
# Download the arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf toolchain for to compile things in the arm folder of ASM labs
# Full download link:
# https://developer.arm.com/-/media/files/downloads/gnu/11.3.rel1/binrel/arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf.tar.xz
# Older link not working anymore: https://snapshots.linaro.org/gnu-toolchain/11.3-2022.06-1/arm-linux-gnueabihf/gcc-linaro-11.3.1-2022.06-x86_64_arm-linux-gnueabihf.tar.xz
# License: MIT
#
# Note: This comment from rossierd is very helpful:
# https://discourse.heig-vd.ch/t/environnement-de-la-vm-linux-virtualbox/52/11

set -xe # stops the execution if one the command fails

TOOLCHAIN=arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf
TOOLCHAIN_ARCHIVE=$TOOLCHAIN.tar.xz
OPT_FOLDER=$TOOLCHAIN
CHECKSUM=$TOOLCHAIN_ARCHIVE.asc
# Note: make sure to include a slash at the end of this link
LINK=https://developer.arm.com/-/media/files/downloads/gnu/11.3.rel1/binrel/

pushd /tmp # important to avoid big latency in WSL when under /mnt/
curl -LO "$LINK$TOOLCHAIN_ARCHIVE"
curl -LO "$LINK$CHECKSUM"

md5sum --check $CHECKSUM
tar -xvf $TOOLCHAIN_ARCHIVE >/dev/null
sudo mkdir -p /opt/toolchains
sudo mv $TOOLCHAIN /opt/toolchains/$OPT_FOLDER
rm $TOOLCHAIN_ARCHIVE $CHECKSUM
popd