title: Android NDK APP_STL gnustl_shared is no longer supported
body: <p>I am buiding an android NDK project with Android Studio 3.3 Canady 11, when build project, I got this error:</p>
  
  <blockquote>
    <p>Build command failed.
    Error while executing process 
    /home/ndqa/opt/Android-SDK/ndk-bundle/ndk-build with argument
    {NDK_PROJECT_PATH=null
    APP_BUILD_SCRIPT=/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/Android.mk
    NDK_APPLICATION_MK=/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/Application.mk
    APP_ABI=armeabi-v7a NDK_ALL_ABIS=armeabi-v7a NDK_DEBUG=1
    APP_PLATFORM=android-23
    NDK_OUT=/home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/obj
    NDK_LIBS_OUT=/home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib
    APP_PLATFORM=android-21 -j10 APP_SHORT_COMMANDS=false
    LOCAL_SHORT_COMMANDS=false -B -n}</p>
    
    <p>/home/ndqa/opt/Android-SDK/ndk-bundle/build/core/add-application.mk:178:
    *** Android NDK: APP_STL gnustl_shared is no longer supported. Please switch to either c++_static or c++_shared. See
    <a href="https://developer.android.com/ndk/guides/cpp-support.html" rel="noreferrer">https://developer.android.com/ndk/guides/cpp-support.html</a> for more
    information.    .  Stop.</p>
  </blockquote>
  
  <p>My machine is Ubuntu 18 and it has android SDK, NDK full.
  Plsease help me fix this issue.
  Thank all!</p>
  
  <p><strong>Update</strong>
  If I replaced gnustl_shared with either c++_static or c++_shared, it shows more error:</p>
  
  <pre><code>Build command failed.
  Error while executing process /home/ndqa/opt/Android-SDK/ndk-bundle/ndk-build with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/Android.mk NDK_APPLICATION_MK=/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/Application.mk APP_ABI=armeabi-v7a NDK_ALL_ABIS=armeabi-v7a NDK_DEBUG=1 APP_PLATFORM=android-23 NDK_OUT=/home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/obj NDK_LIBS_OUT=/home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib APP_PLATFORM=android-21 -j10 APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -n}
  /home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/protobuf-3.6.1
  rm -f /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/*
  rm -f /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdbserver
  rm -f /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdb.setup
  mkdir -p /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a
  echo [armeabi-v7a] "Gdbserver      ": "[arm-linux-androideabi] /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdbserver"
  install -p /home/ndqa/opt/Android-SDK/ndk-bundle/prebuilt/android-arm/gdbserver/gdbserver /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdbserver
  echo [armeabi-v7a] "Gdbsetup       ": "/home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdb.setup"
  echo "set solib-search-path /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a" &gt; /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdb.setup
  echo "directory /home/ndqa/opt/Android-SDK/ndk-bundle/sysroot /home/ndqa/opt/Android-SDK/ndk-bundle/sources/android/support /home/ndqa/opt/Android-SDK/ndk-bundle/sources/cxx-stl/llvm-libc++ /home/ndqa/opt/Android-SDK/ndk-bundle/sources/cxx-stl/llvm-libc++abi/include /home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/protobuf-3.6.1/src/ /home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/include /home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/protobuf-3.6.1/android/include /home/ndqa/opt/Android-SDK/ndk-bundle/sources/cxx-stl/llvm-libc++/include" &gt;&gt; /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/lib/armeabi-v7a/gdb.setup
  mkdir -p /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/main
  echo [armeabi-v7a] "Compile++ arm  ": "main &lt;= AndroidJni.cpp"
  /home/ndqa/opt/Android-SDK/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ -MMD -MP -MF /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/main/AndroidJni.o.d -target armv7-none-linux-androideabi21 -ffunction-sections -fdata-sections -funwind-tables -no-canonical-prefixes  -g -Wno-invalid-command-line-argument -Wno-unused-command-line-argument  -fno-exceptions -fno-rtti -gcc-toolchain /home/ndqa/opt/Android-SDK/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64 -fpic -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16  -marm -O0 -UNDEBUG -fno-limit-debug-info  -I/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/protobuf-3.6.1/src/ -I/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/include -I/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/protobuf-3.6.1/android/include -I/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/protobuf-3.6.1/src -I/home/ndqa/opt/Android-SDK/ndk-bundle/sources/cxx-stl/llvm-libc++/include -I/home/ndqa/opt/Android-SDK/ndk-bundle/sources/cxx-stl/llvm-libc++abi/include -I/home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp -std=c++11    -DANDROID -D GOOGLE_PROTOBUF_NO_RTTI=1 -D GOOGLE_PROTOBUF_NO_RTTI=1 -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -std=c++11 -std=gnu++11  --sysroot /home/ndqa/opt/Android-SDK/ndk-bundle/sysroot -isystem /home/ndqa/opt/Android-SDK/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -c  /home/ndqa/Documents/PROJ/code/MyProj/app/src/main/cpp/AndroidJni.cpp -o /home/ndqa/Documents/PROJ/code/MyProj/app/build/intermediates/ndkBuild/debug/obj/local/armeabi-v7a/objs-debug/main/AndroidJni.o
  </code></pre>