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#!/bin/bash
set -u -e
BASENAME=arm-gnu-toolchain
VER=${VER:-13.2.Rel1}
HOST_ARCH=${HOST_ARCH:-$(uname -m)}
# Use the standard kas container locations if nothing is passed into the script
DOWNLOAD_DIR="${1:-/builds/persist/downloads/}"
TOOLCHAIN_DIR="${2:-/builds/persist//toolchains/}"
TOOLCHAIN_LINK_DIR="${3:-build/toolchains/}"
# 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
download() {
TRIPLE=$1
URL=https://developer.arm.com/-/media/Files/downloads/gnu/$VER/binrel/$BASENAME-$VER-$HOST_ARCH-$TRIPLE.tar.xz
wget -P $DOWNLOAD_DIR -nc $URL
}
if [ $HOST_ARCH = "aarch64" ]; then
# AArch64 Linux hosted cross compilers
# AArch32 target with hard float
download arm-none-linux-gnueabihf
elif [ $HOST_ARCH = "x86_64" ]; then
# x86_64 Linux hosted cross compilers
# AArch32 target with hard float
download arm-none-linux-gnueabihf
# AArch64 GNU/Linux target
download aarch64-none-linux-gnu
else
echo "ERROR - Unknown build arch of $HOST_ARCH"
exit 1
fi
for i in arm aarch64; do
if [ ! -d $TOOLCHAIN_DIR/$BASENAME-$VER-$HOST_ARCH-$i-none-linux-gnu*/ ]; then
if [ ! -f $DOWNLOAD_DIR/$BASENAME-$VER-$HOST_ARCH-$i-none-linux-gnu*.tar.xz ]; then
continue
fi
tar -C $TOOLCHAIN_DIR -axvf $DOWNLOAD_DIR/$BASENAME-$VER-$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 $TOOLCHAIN_DIR/$BASENAME-$VER-$HOST_ARCH-$i-none-linux-gnu* $TOOLCHAIN_LINK_DIR/$i
done
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