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apple--containerization/kernel/build.sh
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chore: import upstream snapshot with attribution
2026-07-13 12:25:30 +08:00

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#!/bin/bash
# Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e
TARGET_ARCH="${TARGET_ARCH:-$(uname -m)}"
case "${TARGET_ARCH}" in
aarch64|arm64)
CONFIG=config-arm64
KARCH=arm64
CROSS_COMPILE=aarch64-linux-gnu-
IMAGE_PATH=arch/arm64/boot/Image
OUTPUT_NAME=vmlinux-arm64
;;
x86_64|amd64)
CONFIG=config-x86_64
KARCH=x86_64
CROSS_COMPILE=x86_64-linux-gnu-
IMAGE_PATH=arch/x86/boot/bzImage
OUTPUT_NAME=vmlinuz-x86_64
;;
*)
echo "Unsupported target architecture: ${TARGET_ARCH}" >&2
exit 1
;;
esac
mkdir -p /kbuild
tar -xf /kernel/source.tar.xz -C /kbuild --strip-components=1
cp "/kernel/${CONFIG}" /kbuild/.config
(
cd /kbuild
make ARCH="${KARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig && \
make ARCH="${KARCH}" CROSS_COMPILE="${CROSS_COMPILE}" -j$((`nproc`-1)) LOCALVERSION="${LOCALVERSION}" && \
cp "${IMAGE_PATH}" "/kernel/${OUTPUT_NAME}"
)