android run soong ui,Android 8.0.0_r1 recipe for target 'run_soong_ui' failed

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PLATFORM_VERSION_CODENAME=REL

PLATFORM_VERSION=8.0.0

TARGET_PRODUCT=aosp_arm

TARGET_BUILD_VARIANT=eng

TARGET_BUILD_TYPE=release

TARGET_ARCH=arm

TARGET_ARCH_VARIANT=armv7-a

TARGET_CPU_VARIANT=generic

HOST_ARCH=x86_64

HOST_2ND_ARCH=x86

HOST_OS=linux

HOST_OS_EXTRA=Linux-4.15.0-23-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=OPR6.170623.010

OUT_DIR=out

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ninja: no work to do.

ninja: no work to do.

No need to regenerate ninja file

[ 0% 1/60006] Lex: checkpolicy <= external/selinux/checkpolicy/policy_scan.l

FAILED: out/host/linux-x86/obj/EXECUTABLES/checkpolicy_intermediates/policy_scan.c

/bin/bash -c "prebuilts/misc/linux-x86/flex/flex-2.5.39 -oout/host/linux-x86/obj/EXECUTABLES/checkpolicy_intermediates/policy_scan.c external/selinux/checkpolicy/policy_scan.l"

flex-2.5.39: loadlocale.c:130:_nl_intern_locale_data: ?? 'cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' ???

Aborted (core dumped)

ninja: build stopped: subcommand failed.

08:23:50 ninja failed with: exit status 1

build/core/main.mk:21: recipe for target 'run_soong_ui' failed

make: *** [run_soong_ui] Error 1

找了很多问答都找不到解决方法，求大神解惑