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#!/usr/bin/env bash
# Copyright 2020 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
# See https://source.android.com/setup/build/building-kernels
# for details on how to checkout and build Android kernel.
set -eux
SRC_DIR=$1
VERSION=$2
KERNEL_SOURCE="$SRC_DIR/common"
DEFCONFIG="$KERNEL_SOURCE/arch/x86/configs/gki_defconfig"
SCRIPT_DIR=`cd $(dirname $0); pwd`
function usage {
echo "usage: generate.sh /android/kernel/checkout/dir kernel.version"
echo "supported kernel versions: 5.4"
exit 1
}
if [ ! -e "$DEFCONFIG" ]; then
usage
fi
case "$VERSION" in
5.4)
CC="$SRC_DIR/prebuilts-master/clang/host/linux-x86/clang-r370808/bin/clang"
;;
*)
usage
esac
. ${SCRIPT_DIR}/../util.sh
cd ${KERNEL_SOURCE}
cp $DEFCONFIG .config
util_add_usb_bits "android"
util_add_syzbot_bits
scripts/kconfig/merge_config.sh -m .config ${SCRIPT_DIR}/config-bits
make ${MAKE_VARS} olddefconfig
cp .config ${SCRIPT_DIR}/config-$VERSION
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