function update_clang_config() {
  ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
    -d ARM64_ERRATUM_843419 \
    -d UNMAP_KERNEL_AT_EL0 \
    -e CLANG_LTO
  (cd ${OUT_DIR} && \
    make O=${OUT_DIR} $archsubarch CROSS_COMPILE=${CROSS_COMPILE} olddefconfig)
}

ARCH=arm64
BRANCH=android-msm-wahoo-4.4
CC=clang
CLANG_TRIPLE=aarch64-linux-gnu-
CROSS_COMPILE=aarch64-linux-android-
CROSS_COMPILE_ARM32=arm-linux-androideabi-
DEFCONFIG=wahoo_defconfig
EXTRA_CMDS=''
KERNEL_DIR=private/msm-google
POST_DEFCONFIG_CMDS='check_defconfig && update_clang_config'
CLANG_PREBUILT_BIN=prebuilts-master/clang/host/linux-x86/clang-4393122/bin/
LD_LIBRARY_PATH=${ROOT_DIR}/prebuilts-master/clang/host/linux-x86/clang-4393122/lib64:$LD_LIBRARY_PATH
LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin
LINUX_GCC_CROSS_COMPILE_ARM32_PREBUILTS_BIN=prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin
LZ4_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/lz4
DTC_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/dtc
LIBUFDT_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/libufdt
FILES="
arch/arm64/boot/dtbo.img
arch/arm64/boot/Image.lz4-dtb
vmlinux
System.map
"
IN_KERNEL_MODULES=1