如果直接指定内核源码自带的 dtc 会报错：

CC      lib/zlib_inflate/inflate_syms.o
Error: ../arch/arm64/boot/dts/qcom/pm8150.dtsi:21.1-10 syntax error
FATAL ERROR: Unable to parse input tree
scripts/Makefile.dtbo:24: recipe for target 'arch/arm64/boot/dts/qcom/guacamole-overlay-dvt.dtbo' failed
make[4]: *** [arch/arm64/boot/dts/qcom/guacamole-overlay-dvt.dtbo] Error 1
../scripts/Makefile.build:676: recipe for target 'arch/arm64/boot/dts/qcom' failed
make[3]: *** [arch/arm64/boot/dts/qcom] Error 2
arch/arm64/Makefile:190: recipe for target 'dtbs' failed
make[2]: *** [dtbs] Error 2
make[2]: *** Waiting for unfinished jobs....

如果指定了 aosp 的 dtc 则会报错：

 DTC     arch/arm64/boot/dts/qcom/sm8150.dtb
/bin/sh: 1: /root/Compile/dtc-9-r61: Permission denied
scripts/Makefile.lib:335: recipe for target 'arch/arm64/boot/dts/qcom/sm8150.dtb' failed
make[4]: *** [arch/arm64/boot/dts/qcom/sm8150.dtb] Error 126
../scripts/Makefile.build:676: recipe for target 'arch/arm64/boot/dts/qcom' failed
make[3]: *** [arch/arm64/boot/dts/qcom] Error 2
arch/arm64/Makefile:190: recipe for target 'dtbs' failed
make[2]: *** [dtbs] Error 2
make[2]: *** Waiting for unfinished jobs....

源码为 Lineage16 的源码，内核版本为 4.14，操作系统为 Ubunt 18.04.5，编译配置环境为

cd /root/Compile/Lineage16

export ARCH=arm64
export SUBARCH=arm64
export DTC_EXT=dtc (或者 /root/Compile/dtc-9-r61)
export CC=/root/Compile/clang-r416183b/bin/clang
export CLANG_TRIPLE=aarch64-linux-gnu-
export CROSS_COMPILE=/root/Compile/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu-
export CROSS_COMPILE_ARM32=/root/Compile/gcc-arm-10.2-2020.11-x86_64-arm-none-linux-gnueabihf/bin/arm-none-linux-gnueabihf-
make O=out OP7P_defconfig

cd out

make -j$(nproc --all) O=out CC=/root/Compile/clang-r416183b/bin/clang

球大佬帮助😂