编译Android 8.1源码出错

PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=8.1.0
TARGET_PRODUCT=aosp_arm64
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm64
TARGET_ARCH_VARIANT=armv8-a
TARGET_CPU_VARIANT=generic
TARGET_2ND_ARCH=arm
TARGET_2ND_ARCH_VARIANT=armv7-a-neon
TARGET_2ND_CPU_VARIANT=cortex-a15
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-4.15.0-43-generic-x86_64-with-Ubuntu-18.04-bionic
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=OPM1.171019.026
OUT_DIR=out
============================================
[44/44] bootstrap out/soong/.minibootstrap/build.ninja.in
[4/4] out/soong/.bootstrap/bin/minibp out/soong/.bootstrap/build.ninja
[868/869] glob vendor/qcom/opensource/interfaces/display/config/1.2/Android.bp
[37/54] test android/soong/cc/config
FAILED: out/soong/.bootstrap/soong-cc-config/test/test.passed 
out/soong/.bootstrap/bin/gotestrunner -p ./build/soong/cc/config -f out/soong/.bootstrap/soong-cc-config/test/test.passed -- out/soong/.bootstrap/soong-cc-config/test/test -test.short
panic: read /home/soulofhan/android8.1: is a directorygoroutine 1 [running]:
android/soong/cc/config.setSdclangVars()
/home/soulofhan/android8.1/build/soong/cc/config/global.go:206 +0x17bc
android/soong/cc/config.init.2()
/home/soulofhan/android8.1/build/soong/cc/config/global.go:179 +0xcd6
android/soong/cc/config.init()
/home/soulofhan/android8.1/build/soong/cc/config/tidy_test.go:42 +0x3cbb
main.init()
/home/soulofhan/android8.1/out/soong/.bootstrap/soong-cc-config/test/test.go:64 +0x58
[40/54] compile out/soong/.bootstrap/soong-cc/test/android/soong/cc.a
ninja: build stopped: subcommand failed.
21:20:29 soong failed with: exit status 1#### failed to build some targets (4 seconds) ####有大神遇到过吗？
网上的都是ninja: build stopped: subcommand failed.
21:20:29 ninja failed with: exit status 1