Helper bash script for building LineageOS miatoll kernel

build.sh

#!/usr/bin/env bash

export CWD=$(dirname "$(readlink -f ${0})")

export GCC=${CWD}/android_prebuilts_gcc_linux-x86_aarch64_aarch64-linux-android-4.9
export CLANG=${CWD}/clang-r536225

export KERNEL=${CWD}/android_kernel_xiaomi_sm6250
export OUT=${CWD}/out

mkdir -p ${OUT}


case "${1}" in
    clean)
        make -C ${KERNEL} O=${OUT} distclean
    ;;

    config)
        make -C ${KERNEL} O=${OUT} ARCH=arm64 vendor/xiaomi/miatoll_ksn_defconfig #miatoll_defconfig #miatoll_ksn_defconfig
    ;;

    Image)
        make \
            -C ${KERNEL} \
            O=${OUT} \
            PATH=${CLANG}/bin:${GCC}/bin:${PATH} \
            LLVM=1 \
            ARCH=arm64 \
            LLVM_IAS=1 \
            CROSS_COMPILE=${GCC}/bin/aarch64-linux-android- \
            CLANG_TRIPLE=aarch64-linux-gnu- \
            CC=clang \
            NM=llvm-nm \
            OBJCOPY=llvm-objcopy \
            LD=ld.lld \
            -j$(nproc) Image

    ;;
esac