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#!/bin/bash
TOOLCHAIN_RELEASE="${TOOLCHAIN_RELEASE:-2016.11-rc2}"
exact_toolchain_version="6.2-${TOOLCHAIN_RELEASE}"
exact_toolchain_version_filename="6.2.1-${TOOLCHAIN_RELEASE}"
toolchain_base_url="http://snapshots.linaro.org/components/toolchain/binaries"
ARCH=arm64
usage()
{
echo -e "\ta, ARCH, default: ${ARCH}"
echo -e "\tr, TOOLCHAIN_RELEASE: set toolchain release, default: ${TOOLCHAIN_RELEASE}"
echo -e "\t\t\t Only used when ARCH is given!"
echo -e "\t\t\t Linaros toolchain releases are located here:"
echo -e "\t\t\t ${toolchain_base_url}/${exact_toolchain_version}/"
}
find_toolchain_to_download()
{
toolchain_url="${toolchain_base_url}/${exact_toolchain_version}/arm-linux-gnueabihf/gcc-linaro-${exact_toolchain_version_filename}-x86_64_arm-linux-gnueabihf.tar.xz"
[[ ${ARCH} == "arm64" ]] && toolchain_url="${toolchain_base_url}/${exact_toolchain_version}/aarch64-linux-gnu/gcc-linaro-${exact_toolchain_version_filename}-x86_64_aarch64-linux-gnu.tar.xz"
echo $toolchain_url
export tcbindir="${tcbindir:-$HOME/$ARCH-tc-${TOOLCHAIN_RELEASE}/bin}"
mkdir -p $(dirname ${tcbindir})
}
install_custom_toolchain()
{
test -d ${tcbindir} && return 0
test -z "${toolchain_url}" && return 0
toolchain=`basename ${toolchain_url}`
test -f ${toolchain} || curl -sSOL ${toolchain_url}
mkdir -p `dirname ${tcbindir}`
unxz ${toolchain}
toolchain=${toolchain%.xz}
tar --strip-components=1 -C `dirname ${tcbindir}` -xf ${toolchain}
if [[ $? -ne 0 ]]; then
echo "NO toolchain to extract..."
exit 1
fi
}
setup_compiler_prefix()
{
export PATH="${tcbindir}:$PATH"
if [ "${ARCH}" = "arm" ]; then
compiler_prefix="arm-linux-gnueabihf"
elif [ "$ARCH" = "arm64" ]; then
compiler_prefix="aarch64-linux-gnu"
fi
[[ -n ${compiler_prefix} ]] && export CROSS_COMPILE=${compiler_prefix}-
}
toolchain_prepare()
{
[[ -z ${ARCH} ]] && return
[[ ${ARCH} == "x86_32" ]] && return
find_toolchain_to_download
install_custom_toolchain
setup_compiler_prefix
[[ -n ${compiler_prefix} ]] && export CROSS_HOST="--host=${compiler_prefix}"
}
tc_cleanup(){
rm -rf ${ROOT_DIR}/gcc-linaro-*
}
while getopts "a:r:h" arg; do
case $arg in
a)
ARCH="$OPTARG"
;;
r)
TOOLCHAIN_RELEASE="$OPTARG"
;;
h)
usage
exit 0
;;
esac
done
toolchain_prepare
## vim: set ft=sh sw=4 sts=4 et foldmethod=syntax : ##
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