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#!/bin/bash
set -u
HOST_ARCH=$(uname -m)
VER="11.3.rel1"
DOWNLOAD_DIR=$1
TOOLCHAIN_DIR=$2
TOOLCHAIN_LINK_DIR=$3
# These should be already created by .gitlab-ci.yml, but do here if run outside of that env
mkdir -p $DOWNLOAD_DIR $TOOLCHAIN_DIR $TOOLCHAIN_LINK_DIR
if [ $HOST_ARCH = "aarch64" ]; then
#AArch64 Linux hosted cross compilers
#AArch32 target with hard float (arm-none-linux-gnueabihf)
wget -P $DOWNLOAD_DIR -nc https://developer.arm.com/-/media/Files/downloads/gnu/$VER/binrel/arm-gnu-toolchain-$VER-$HOST_ARCH-arm-none-linux-gnueabihf.tar.xz
elif [ $HOST_ARCH = "x86_64" ]; then
#x86_64 Linux hosted cross compilers
#AArch32 target with hard float (arm-linux-none-gnueabihf)
wget -P $DOWNLOAD_DIR -nc https://developer.arm.com/-/media/Files/downloads/gnu/$VER/binrel/arm-gnu-toolchain-$VER-$HOST_ARCH-arm-none-linux-gnueabihf.tar.xz
#AArch64 GNU/Linux target (aarch64-none-linux-gnu)
wget -P $DOWNLOAD_DIR -nc https://developer.arm.com/-/media/Files/downloads/gnu/$VER/binrel/arm-gnu-toolchain-$VER-$HOST_ARCH-aarch64-none-linux-gnu.tar.xz
#AArch64 GNU/Linux target (aarch64_be-none-linux-gnu)
wget -P $DOWNLOAD_DIR -nc https://developer.arm.com/-/media/Files/downloads/gnu/$VER/binrel/arm-gnu-toolchain-$VER-$HOST_ARCH-aarch64_be-none-linux-gnu.tar.xz
else
echo "ERROR - Unknown build arch of $HOST_ARCH"
exit 1
fi
for i in arm aarch64 aarch64_be; do
if [ ! -d $TOOLCHAIN_DIR/arm-gnu-toolchain-$VER-$HOST_ARCH-$i-none-linux-gnu*/ ]; then
if [ ! -f $DOWNLOAD_DIR/arm-gnu-toolchain-$VER-$HOST_ARCH-$i-none-linux-gnu*.tar.xz ]; then
continue
fi
tar -C $TOOLCHAIN_DIR -axvf $DOWNLOAD_DIR/arm-gnu-toolchain-$VER-$HOST_ARCH-$i-none-linux-gnu*.tar.xz
fi
# Setup a link for the toolchain to use local to the building machine (e.g., not in a shared location)
ln -s $TOOLCHAIN_DIR/arm-gnu-toolchain-$VER-$HOST_ARCH-$i-none-linux-gnu* $TOOLCHAIN_LINK_DIR/$i
done
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