build-env.sh

#!/bin/bash
set -e
export HOME=/tmp
source /etc/profile
shopt -s expand_aliases
NPROC=$(nproc)

# https://git.kernel.org/pub/scm/git/git.git/
export GIT_TAG=2.46.2
# https://git.kernel.org/pub/scm/utils/dtc/dtc.git
export DTC_TAG=v1.7.1
# https://git.kernel.org/pub/scm/devel/sparse/sparse.git
export SPARSE_TAG=master
# https://repo.or.cz/smatch.git
export SMATCH_TAG=master
# https://github.com/coccinelle/coccinelle/tags
export COCCI_TAG=1.2
# https://github.com/devicetree-org/dt-schema/tags
export DTSCHEMA_REV=v2024.09

ARIA_OPTS=( --summary-interval=5 --timeout=180 --retry-wait=10 -m 0 -x 10 -j 10 )

download_build_install_git()
{
	local FILE URL
	set -x
	FILE=git-"$GIT_TAG".tar.gz
	URL="https://git.kernel.org/pub/scm/git/git.git/snapshot/${FILE}"

	cd /tmp/
	aria2c "${ARIA_OPTS[@]}" -o "$FILE" "$URL"
	mkdir /tmp/git
	tar -C /tmp/git --strip-components=1 -xvf "$FILE"
	rm $FILE
	cd /tmp/git
	make -j "$NPROC" prefix=/usr/local
	make -j "$NPROC" prefix=/usr/local install
	cd /tmp
	rm -rf /tmp/git*
	set +x
}

download_build_install_python_deps()
{
	# Get latest pip
	python -m pip install --upgrade  --break-system-packages pip
	python -m pip install --upgrade  --break-system-packages setuptools
	python -m pip install --upgrade  --break-system-packages six jsonschema
	# scripts/spdxcheck.py dependencies
	python -m pip install --upgrade  --break-system-packages ply gitpython yamllint rfc3987 pylibfdt
	python -m pip install  --break-system-packages git+https://github.com/devicetree-org/dt-schema.git@$DTSCHEMA_REV
	rm -rf "/tmp/.cache/"
}

clone_and_cd()
{
	cd /tmp &&
	git clone --progress --depth=1 --branch "$1" "$2" "$3" &&
	cd /tmp/"$3"
	return $?
}

download_build_install_dtc()
{
	local FILE URL
	FILE='dtc'
	URL="https://git.kernel.org/pub/scm/utils/dtc/dtc.git"

	clone_and_cd "$DTC_TAG" "$URL" "$FILE"
	make -j "$NPROC" PREFIX=/usr/local SETUP_PREFIX=/usr/local install NO_PYTHON=1
	cd /tmp
	rm -rf /tmp/"$FILE"
}

download_build_install_sparse()
{
	local FILE URL
	FILE='sparse'
	URL="https://git.kernel.org/pub/scm/devel/sparse/sparse.git"

	clone_and_cd "$SPARSE_TAG" "$URL" "$FILE"
	make -j "$NPROC" PREFIX=/usr/local install
	cd /tmp
	rm -rf /tmp/"$FILE"
}

download_build_install_smatch()
{
	local FILE URL
	FILE='smatch'
	URL="https://repo.or.cz/smatch.git"

	clone_and_cd "$SMATCH_TAG" "$URL" "$FILE"
	make -j "$NPROC" PREFIX=/usr/local/smatch install
	echo -e '#!/bin/bash\n/usr/local/smatch/bin/smatch -p=kernel $@'>/usr/local/smatch/bin/k_sm_check_script
	chmod +x /usr/local/smatch/bin/k_sm_check_script
	cd /tmp
	rm -rf /tmp/"$FILE"
}

download_build_install_coccinelle()
{
	local FILE URL
	FILE='coccinelle'
	URL="https://github.com/coccinelle/coccinelle.git"

	clone_and_cd "$COCCI_TAG" "$URL" "$FILE"
	./autogen
	./configure --prefix=/usr/local
	make install
	cd /tmp
	rm -rf /tmp/"$FILE"
}

download_and_install_armgcc_64()
{
	local FILE URL
	FILE='aarch64-gcc.tar.xz'
	URL="https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz?revision=61c3be5d-5175-4db6-9030-b565aae9f766&la=en&hash=0A37024B42028A9616F56A51C2D20755C5EBBCD7"

	cd /tmp
	mkdir -p /opt/cross-gcc-linux-9/
	aria2c "${ARIA_OPTS[@]}" -o "$FILE" "$URL"
	tar -C /opt/cross-gcc-linux-9/ --strip-components=1 -xf "$FILE"
	rm -f /tmp/"$FILE"
}

download_and_install_armgcc_32()
{
	local FILE URL
	FILE='aarch32-gcc.tar.xz'
	URL="https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-arm-none-linux-gnueabihf.tar.xz?revision=fed31ee5-2ed7-40c8-9e0e-474299a3c4ac&la=en&hash=76DAF56606E7CB66CC5B5B33D8FB90D9F24C9D20"

	cd /tmp
	mkdir -p /opt/cross-gcc-linux-9/
	aria2c "${ARIA_OPTS[@]}" -o "$FILE" "$URL"
	tar -C /opt/cross-gcc-linux-9/ --strip-components=1 -xf "$FILE"
	rm -f /tmp/"$FILE"
}

download_build_install_git
download_build_install_python_deps
download_build_install_dtc
download_build_install_smatch
download_build_install_sparse
download_build_install_coccinelle
if [ "$INSTALL_GCC" == "1" ]; then
	download_and_install_armgcc_64
	download_and_install_armgcc_32
else
	echo "Skipping install GCC. INSTALL_GCC!=1. make sure that /opt/cross-gcc-linux-9/bin has aarch64-none-linux-gnu- and arm-none-linux-gnueabihf-"
fi