新手编译内核失败，求解决！

ninja: no work to do.

ninja: no work to do.

device/rockchip/rk3399pro/preinstall/Android.mk was modified, regenerating...

Saved manifest to commit_id.xml

[2/1082] including ./art/Android.mk ...

art/build/Android.common.mk:50: warning: unsupported HOST_ARCH=x86_64

[4/1082] including ./bootable/recovery/Android.mk ...

./bootable/recovery/Android.mk:101: warning: *** Redirect log to UART

[516/1082] including ./hardware/rockchip/camera/Android.mk ...

BOARD_DEFAULT_CAMERA_HAL_VERSION=1.0

[523/1082] including ./hardware/rockchip/librga/Android.mk ...

Generated version.h

[526/1082] including ./hardware/rockchip/omx_il/Android.mk ...

tools/hooks .git/hooks

[528/1082] including ./hardware/rockchip/sensor/Android.mk ...

YD>>PLATFORM_VERSION=8.1.0

YD>>ANDRIOD VERSION=8.1

YD>>VERSION_L=, VERSION_KK=

YD>>LOCAL_MODULE=sensors.rk30board

YD>>LOCAL_MODULE=sensors.rk30board, LOCAL_SRC_FILES=sensors_mpl.cpp SamsungSensorBase.cpp LightSensor.cpp ProximitySensor.cpp, LOCAL_SHARED_LIBRARIES=libinvensense_hal libcutils libutils libdl liblog libmllite

[1082/1082] including ./vendor/rockchip/common/vpu/Android.mk ...

PRODUCT_COPY_FILES device/rockchip/common/init.rk30board.usb.rc:root/init.rk30board.usb.rc ignored.

PRODUCT_COPY_FILES vendor/rockchip/common/npu/bin/npu_transfer_proxy:vendor/bin/npu_transfer_proxy ignored.

PRODUCT_COPY_FILES vendor/rockchip/common/npu/npu_transfer_proxy.rc:vendor/etc/init/npu_transfer_proxy.rc ignored.

No private recovery resources for TARGET_DEVICE rk3399pro

build/core/aapt2.mk:32: warning: overriding commands for target `out/target/product/rk3399pro/obj/APPS/Bluetooth_intermediates/flat-res/device/rockchip/common/overlay/packages/apps/Bluetooth/res/values_config.arsc.flat'

build/core/aapt2.mk:32: warning: ignoring old commands for target `out/target/product/rk3399pro/obj/APPS/Bluetooth_intermediates/flat-res/device/rockchip/common/overlay/packages/apps/Bluetooth/res/values_config.arsc.flat'

build/core/Makefile:34: warning: overriding commands for target `out/target/product/rk3399pro/vendor/lib/libjpeghwenc.so'

build/core/base_rules.mk:390: warning: ignoring old commands for target `out/target/product/rk3399pro/vendor/lib/libjpeghwenc.so'

build/core/Makefile:34: warning: overriding commands for target `out/target/product/rk3399pro/vendor/lib/libjpeghwdec.so'

build/core/base_rules.mk:390: warning: ignoring old commands for target `out/target/product/rk3399pro/vendor/lib/libjpeghwdec.so'

build/core/Makefile:34: warning: overriding commands for target `out/target/product/rk3399pro/vendor/lib64/libjpeghwenc.so'

build/core/base_rules.mk:390: warning: ignoring old commands for target `out/target/product/rk3399pro/vendor/lib64/libjpeghwenc.so'

build/core/Makefile:34: warning: overriding commands for target `out/target/product/rk3399pro/system/bin/chat'

build/core/base_rules.mk:390: warning: ignoring old commands for target `out/target/product/rk3399pro/system/bin/chat'

[ 50% 1/2] glob art

ninja: error: 'kernel/arch/arm64/boot/Image', needed by 'out/target/product/rk3399pro/kernel', missing and no known rule to make it

15:43:30 ninja failed with: exit status 1

make: *** [run_soong_ui] Error 1

我查了下out/target/product/rk3399pro/下面并没有kernel文件，kernel文件怎么来的？

kernel要先编译才行
android编译recovery时候打包会把kernel打包进去， 没有kernel文件不行

好的，谢谢