当我打开Telegram源代码并出现任务栏时出现此错误（Gradle sync失败）。我使用android studio preview beta 4和NDK android-ndk-r16-beta1-windows-x86.zip。
我使用的电报源代码：https://github.com/DrKLO/Telegram
错误是：
外部本机构建问题 构建命令失败。 执行进程C：\ Users \ M \ AppData \ Local \ Android \ Sdk \ ndk-bundle \ ndk-build.cmd时出错，参数{NDK_PROJECT_PATH = null APP_BUILD_SCRIPT = C：\ Users \ M \ Desktop \ apps \ Telegram \ TMessagesProj \ jni \ Android.mk NDK_APPLICATION_MK = C：\ Users \ M \ Desktop \ apps \ Telegram \ TMessagesProj \ jni \ Application.mk APP_ABI = x86 NDK_ALL_ABIS = x86 NDK_DEBUG = 0 APP_PLATFORM = android-21 NDK_OUT = C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / build / intermediates / ndkBuild / x86_SDK23 / foss / obj NDK_LIBS_OUT = C：\ Users \ M \ Desktop \ apps \ Telegram \ TMessagesProj \ build \ intermediates \ ndkBuild \ x86_SDK23 \ foss \ lib NDK_APPLICATION_MK： = jni / Application.mk APP_PLATFORM：= android-14 APP_SHORT_COMMANDS = false LOCAL_SHORT_COMMANDS = false -B -n} md＆＃34; C：\ Users \ M \ Desktop \ apps \ Telegram \ TMessagesProj \ build \ intermediates \ ndkBuild \ x86_SDK23 \ foss \ _ obj \ local \ x86 \ _ objs \ tmessages.27.。\ opus \ src＆＃34; ＆gt; NUL 2＆gt; NUL || REM C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/prebuilt/windows/bin/echo.exe [x86]＆＃34;编译＆＃34;：＆＃34; tmessages.27＆lt; = opus.c＆＃34; C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/toolchains/x86-4.9/prebuilt/windows/bin/i686-linux-android-gcc -MMD -MP -MF C：/ Users / M /Desktop/apps/Telegram/TMessagesProj/build/intermediates/ndkBuild/x86_SDK23/foss/obj/local/x86/objs/tmessages.27/./opus/src/opus.od-ffunction- sections -funwind-tables -no -canonical-prefixes -fstack-protector-strong -O2 -g -DNDEBUG -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit = 300 -I./jni/opus/include -I./jni / opus / silk -I./jni/opus/silk/fixed -I./jni/opus/celt -I./jni/opus/ -I./jni/opus/opusfile -I./jni/libyuv/include -I./jni/boringssl/include -I./jni/breakpad/common/android/include -I./jni/breakpad -I./jni/ffmpeg/include -I./jni/intro -IC：/ Users /M/AppData/Local/Android/sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include / backward -我知道了： /Users/M/AppData/Local/Android/sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include / backward -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / android / cpufeatures -IC：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni -DANDROID -w -std = c11 -Os -DNULL = 0 -DSOCKLEN_T = socklen_t -DLOCALE_NOT_USED -D_LARGEFILE_SOURCE = 1 -D_FILE_OFFSET_BITS = 64 -Drestrict =＆＃39;＆＃39; -D__EMX__ -DOPUS_BUILD -DFIXED_POINT -DUSE_ALLOCA -DHAVE_LRINT -DHAVE_LRINTF -fno-math-errno -DANDROID_NDK -DDISABLE_IMPORTGL -fno-strict-aliasing -fprefetch-loop-arrays -DAVOID_TABLES -DANDROID_TILE_BASED_DECODE -DANDROID_ARMV6_IDCT -ffast-math -D__STDC_CONSTANT_MACROS -Dx86fix -Wa ， - noexecstack -Wformat -Werror = format-security -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / platforms / android-14 / arch-x86 / usr / include -c C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni /./ opus / src / opus.c -o C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / build / intermediates / ndkBuild / x86_SDK23 / foss / OBJ /本地/ 86 / OBJ文件/ tmessages.27 /./ OPUS / src目录/ opus.o C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/prebuilt/windows/bin/echo.exe [x86]＆＃34;编译＆＃34;：＆＃34; tmessages.27＆lt; = opus_decoder.c＆＃34; C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/toolchains/x86-4.9/prebuilt/windows/bin/i686-linux-android-gcc -MMD -MP -MF C：/ Users / M /Desktop/apps/Telegram/TMessagesProj/build/intermediates/ndkBuild/x86_SDK23/foss/obj/local/x86/objs/tmessages.27/./opus/src/opus_decoder.od -ffunction-sections -funwind-tables -no -canonical-prefixes -fstack-protector-strong -O2 -g -DNDEBUG -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit = 300 -I./jni/opus/include -I./jni / opus / silk -I./jni/opus/silk/fixed -I./jni/opus/celt -I./jni/opus/ -I./jni/opus/opusfile -I./jni/libyuv/include -I./jni/boringssl/include -I./jni/breakpad/common/android/include -I./jni/breakpad -I./jni/ffmpeg/include -I./jni/intro -IC：/ Users /M/AppData/Local/Android/sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include / backw ard -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ /4.9/include/backward -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / android / cpufeatures -IC：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni -DANDROID -w -std = c11 -Os -DNULL = 0 -DSOCKLEN_T = socklen_t -DLOCALE_NOT_USED -D_LARGEFILE_SOURCE = 1 -D_FILE_OFFSET_BITS = 64 -Drestrict =＆＃39;＆＃39; -D__EMX__ -DOPUS_BUILD -DFIXED_POINT -DUSE_ALLOCA -DHAVE_LRINT -DHAVE_LRINTF -fno-math-errno -DANDROID_NDK -DDISABLE_IMPORTGL -fno-strict-aliasing -fprefetch-loop-arrays -DAVOID_TABLES -DANDROID_TILE_BASED_DECODE -DANDROID_ARMV6_IDCT -ffast-math -D__STDC_CONSTANT_MACROS -Dx86fix -Wa ， - noexecstack -Wformat -Werror = format-security -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / platforms / android-14 / arch-x86 / usr / include -c C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni /./ opus / src / opus_decoder.c -o C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / build / intermediates / ndkBuild / x86_SDK23 / foss / OBJ /本地/ 86 / OBJ文件/ tmessages.27 /./ OPUS / src目录/ opus_decoder.o C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/prebuilt/windows/bin/echo.exe [x86]＆＃34;编译＆＃34;：＆＃34; tmessages.27＆lt; = opus_encoder.c＆＃34; C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/toolchains/x86-4.9/prebuilt/windows/bin/i686-linux-android-gcc -MMD -MP -MF C：/ Users / M /Desktop/apps/Telegram/TMessagesProj/build/intermediates/ndkBuild/x86_SDK23/foss/obj/local/x86/objs/tmessages.27/./opus/src/opus_encoder.od -ffunction-sections -funwind-tables -no -canonical-prefixes -fstack-protector-strong -O2 -g -DNDEBUG -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit = 300 -I./jni/opus/include -I./jni / opus / silk -I./jni/opus/silk/fixed -I./jni/opus/celt -I./jni/opus/ -I./jni/opus/opusfile -I./jni/libyuv/include -I./jni/boringssl/include -I./jni/breakpad/common/android/include -I./jni/breakpad -I./jni/ffmpeg/include -I./jni/intro -IC：/ Users /M/AppData/Local/Android/sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include / backw ard -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ /4.9/include/backward -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / android / cpufeatures -IC：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni -DANDROID -w -std = c11 -Os -DNULL = 0 -DSOCKLEN_T = socklen_t -DLOCALE_NOT_USED -D_LARGEFILE_SOURCE = 1 -D_FILE_OFFSET_BITS = 64 -Drestrict =＆＃39;＆＃39; -D__EMX__ -DOPUS_BUILD -DFIXED_POINT -DUSE_ALLOCA -DHAVE_LRINT -DHAVE_LRINTF -fno-math-errno -DANDROID_NDK -DDISABLE_IMPORTGL -fno-strict-aliasing -fprefetch-loop-arrays -DAVOID_TABLES -DANDROID_TILE_BASED_DECODE -DANDROID_ARMV6_IDCT -ffast-math -D__STDC_CONSTANT_MACROS -Dx86fix -Wa ， - noexecstack -Wformat -Werror = format-security -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / platforms / android-14 / arch-x86 / usr / include -c C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni /./ opus / src / opus_encoder.c -o C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / build / intermediates / ndkBuild / x86_SDK23 / foss / OBJ /本地/ 86 / OBJ文件/ tmessages.27 /./ OPUS / src目录/ opus_encoder.o C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/prebuilt/windows/bin/echo.exe [x86]＆＃34;编译＆＃34;：＆＃34; tmessages.27＆lt; = opus_multistream.c＆＃34; C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/toolchains/x86-4.9/prebuilt/windows/bin/i686-linux-android-gcc -MMD -MP -MF C：/ Users / M /Desktop/apps/Telegram/TMessagesProj/build/intermediates/ndkBuild/x86_SDK23/foss/obj/local/x86/objs/tmessages.27/./opus/src/opus_multistream.od-ffunction- sections -funwind-tables -no -canonical-prefixes -fstack-protector-strong -O2 -g -DNDEBUG -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit = 300 -I./jni/opus/include -I./jni / opus / silk -I./jni/opus/silk/fixed -I./jni/opus/celt -I./jni/opus/ -I./jni/opus/opusfile -I./jni/libyuv/include -I./jni/boringssl/include -I./jni/breakpad/common/android/include -I./jni/breakpad -I./jni/ffmpeg/include -I./jni/intro -IC：/ Users /M/AppData/Local/Android/sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include / b ackward -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ /4.9/include/backward -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / android / cpufeatures -IC：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni -DANDROID -w -std = c11 -Os -DNULL = 0 -DSOCKLEN_T = socklen_t -DLOCALE_NOT_USED -D_LARGEFILE_SOURCE = 1 -D_FILE_OFFSET_BITS = 64 -Drestrict =＆＃39;＆＃39; -D__EMX__ -DOPUS_BUILD -DFIXED_POINT -DUSE_ALLOCA -DHAVE_LRINT -DHAVE_LRINTF -fno-math-errno -DANDROID_NDK -DDISABLE_IMPORTGL -fno-strict-aliasing -fprefetch-loop-arrays -DAVOID_TABLES -DANDROID_TILE_BASED_DECODE -DANDROID_ARMV6_IDCT -ffast-math -D__STDC_CONSTANT_MACROS -Dx86fix -Wa ， - noexecstack -Wformat -Werror = format-security -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / platforms / android-14 / arch-x86 / usr / include -c C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / jni /./ opus / src / opus_multistream.c -o C：/ Users / M / Desktop / apps / Telegram / TMessagesProj / build / intermediates / ndkBuild / x86_SDK23 / foss / OBJ /本地/ 86 / OBJ文件/ tmessages.27 /./ OPUS / src目录/ opus_multistream.o C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/prebuilt/windows/bin/echo.exe [x86]＆＃34;编译＆＃34;：＆＃34; tmessages.27＆lt; = opus_multistream_encoder.c＆＃34; C：/Users/M/AppData/Local/Android/sdk/ndk-bundle/toolchains/x86-4.9/prebuilt/windows/bin/i686-linux-android-gcc -MMD -MP -MF C：/ Users / M /Desktop/apps/Telegram/TMessagesProj/build/intermediates/ndkBuild/x86_SDK23/foss/obj/local/x86/objs/tmessages.27/./opus/src/opus_multistream_encoder.od -ffunction-sections -funwind-tables -no -canonical-prefixes -fstack-protector-strong -O2 -g -DNDEBUG -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit = 300 -I./jni/opus/include -I./jni / opus / silk -I./jni/opus/silk/fixed -I./jni/opus/celt -I./jni/opus/ -I./jni/opus/opusfile -I./jni/libyuv/include -I./jni/boringssl/include -I./jni/breakpad/common/android/include -I./jni/breakpad -I./jni/ffmpeg/include -I./jni/intro -IC：/ Users /M/AppData/Local/Android/sdk/ndk-bundle/sources/cxx-stl/gnu-libstdc++/4.9/include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / i nclude / backward -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk-bundle / sources / cxx-stl / gnu-libstdc ++ / 4.9 / libs / x86 / include -IC：/ Users / M / AppData / Local / Android / sdk / ndk