failed to build some targets

[Dhiresh Budhiraja]

I want to learn AOSP so i followed the command given on  https://source.android.com/setup/build/building

it went well till lunch command but it is throwing error on make command.

Stack Trace is as follows :-

============================================

PLATFORM_VERSION_CODENAME=REL

PLATFORM_VERSION=8.1.0

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-4.15.0-22-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=OPM6.171019.030.B1

OUT_DIR=out

============================================

ninja: no work to do.

ninja: no work to do.

out/target/product/generic/clean_steps.mk was modified, regenerating...

[679/994] including ./system/sepolicy/Android.mk ...

./system/sepolicy/Android.mk:111: warning: BOARD_SEPOLICY_VERS not specified, assuming current platform version

[994/994] including ./tools/tradefederation/core/Android.mk ...

PRODUCT_COPY_FILES device/generic/goldfish/fstab.ranchu:root/fstab.ranchu ignored.

PRODUCT_COPY_FILES device/generic/goldfish/fstab.ranchu.early:root/fstab.ranchu.early ignored.

platform_testing/build/tasks/tests/instrumentation_metric_test_list.mk: warning: continuous_instrumentation_metric_tests: Unknown installed file for module perf-setup.sh 

platform_testing/build/tasks/tests/instrumentation_test_list.mk: warning: continuous_instrumentation_tests: Unknown installed file for module RecyclerViewTests 

platform_testing/build/tasks/tests/instrumentation_test_list.mk: warning: continuous_instrumentation_tests: Unknown installed file for module SettingsFunctionalTests 

platform_testing/build/tasks/tests/instrumentation_test_list.mk: warning: continuous_instrumentation_tests: Unknown installed file for module LauncherFunctionalTests 

platform_testing/build/tasks/tests/instrumentation_test_list.mk: warning: continuous_instrumentation_tests: Unknown installed file for module EmergencyInfoTests 

platform_testing/build/tasks/tests/native_metric_test_list.mk: warning: continuous_native_metric_tests: Unknown installed file for module perf-setup.sh 

[  0% 12/67355] Lex: applypatch <= bootable/recovery/edify/lexer.ll

FAILED: out/target/product/generic/obj/STATIC_LIBRARIES/libedify_intermediates/lexer.cpp 

/bin/bash -c "prebuilts/misc/linux-x86/flex/flex-2.5.39 -oout/target/product/generic/obj/STATIC_LIBRARIES/libedify_intermediates/lexer.cpp bootable/recovery/edify/lexer.ll"

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

Aborted (core dumped)

[  0% 37/67355] Ensuring Jack server is installed and started

Jack server already installed in "/home/hartron/.jack-server"

Server is already running

[  0% 43/67355] target thumb C++: libotafault <= bootable/recovery/otafault/ota_io.cpp

ninja: build stopped: subcommand failed.

17:03:19 ninja failed with: exit status 1

#### failed to build some targets (48 seconds) ####

Could any one tell me solution for this problem

[Colin Cross]

This is the same issue as https://groups.google.com/d/msg/android-building/0kzPnw3akxg/dkwXKZ94CAAJ

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