android 编译问题

按照作者说的配置一直编译报错，不知道是哪里出现了问题，求解答！！！
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:externalNativeBuildDebug'.
> Build command failed.
  Error while executing process D:\Work\androidSDK\cmake\3.10.2.4988404\bin\cmake.exe with arguments {--build D:\Work\UNI2KAPP\app\.externalNativeBuild\cmake\debug\armeabi-v7a --target Tracking-lib}
  [1/3] Building CXX object src/main/cpp/CMakeFiles/Tracking-lib.dir/mtcnn.cpp.o
  [2/3] Building CXX object src/main/cpp/CMakeFiles/Tracking-lib.dir/tracking-lib.cpp.o
  In file included from ../../../../src/main/cpp/tracking-lib.cpp:5:
  ../../../../src/main/cpp/LandmarkTracking.h:135:1: warning: control may reach end of non-void function [-Wreturn-type]
  }
  ^
  1 warning generated.
  [3/3] Linking CXX shared library ..\..\..\..\build\intermediates\cmake\debug\obj\armeabi-v7a\libTracking-lib.so
  FAILED: ../../../../build/intermediates/cmake/debug/obj/armeabi-v7a/libTracking-lib.so 
  cmd.exe /C "cd . && D:\Work\androidSDK\android-ndk-r15c\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/Work/androidSDK/android-ndk-r15c/sysroot -fPIC -isystem D:/Work/androidSDK/android-ndk-r15c/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=21 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -frtti -fexceptions -std=c++11 -fopenmp -O0 -fno-limit-debug-info  -Wl,--exclude-libs,libgcc.a --sysroot D:/Work/androidSDK/android-ndk-r15c/platforms/android-21/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/Work/androidSDK/android-ndk-r15c/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libTracking-lib.so -o ..\..\..\..\build\intermediates\cmake\debug\obj\armeabi-v7a\libTracking-lib.so @CMakeFiles/Tracking-lib.rsp  && cd ."
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(alloc.cpp.o):alloc.cpp:function _GLOBAL__sub_I_alloc.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(alloc.cpp.o):alloc.cpp:function _GLOBAL__sub_I_alloc.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*) [clone .part.14]: error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::clear(std::_Ios_Iostate)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::~ParseError(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::~ParseError(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::append(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::append(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::append(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::append(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::getCPUFeaturesLine(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ostream::put(char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ostream::flush()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ostream::put(char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ostream::flush()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::str() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::locale::~locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ios_base::~ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ctype<char>::_M_widen_init() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::ctype<char>::_M_widen_init() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::__throw_bad_cast()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_stringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::__throw_bad_cast()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'vtable for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'VTT for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::Exception::formatMessage(): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::str() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::locale::~locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::ios_base::~ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::str() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::ios_base::~ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_stringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_stringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'vtable for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'VTT for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::HWFeatures::initialize(): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::ios_base::ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::init(std::basic_streambuf<char, std::char_traits<char> >*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::locale::locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::init(std::basic_streambuf<char, std::char_traits<char> >*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::str() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::ios_base::~ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_ostringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::ParseError::toString(std::string const&) const: error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function unsigned int cv::parseOption<unsigned int>(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function unsigned int cv::parseOption<unsigned int>(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function unsigned int cv::parseOption<unsigned int>(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function unsigned int cv::parseOption<unsigned int>(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function unsigned int cv::parseOption<unsigned int>(std::string const&): error: undefined reference to 'std::__throw_out_of_range(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::string::compare(char const*) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::string::compare(char const*) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::string::compare(char const*) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::string::compare(char const*) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterBool(char const*, bool): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterSizeT(char const*, unsigned int): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function cv::utils::getConfigurationParameterSizeT(char const*, unsigned int): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<std::string, std::allocator<std::string> >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocator<std::string> > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<std::string, std::allocator<std::string> >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocator<std::string> > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<std::string, std::allocator<std::string> > cv::parseOption<std::vector<std::string, std::allocator<std::string> > >(std::string const&): error: undefined reference to 'std::string::find(char, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<std::string, std::allocator<std::string> > cv::parseOption<std::vector<std::string, std::allocator<std::string> > >(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*) [clone .part.44]: error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::clear(std::_Ios_Iostate)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::basic_ostringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<unsigned long>(unsigned long)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<unsigned long>(unsigned long)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<unsigned long>(unsigned long)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<unsigned long>(unsigned long)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_ostringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<unsigned short>(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<int>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::basic_ostringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<int>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<int>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<int>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_ostringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<int>(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<int>(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::basic_ostringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_ostringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<short>(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<char>(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >::basic_ostringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<float>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<double>(double)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<float>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<double>(double)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<float>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<double>(double)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr<float>(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert<double>(double)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::vector<_cl_platform_id*, std::allocator<_cl_platform_id*> >::resize(unsigned int, _cl_platform_id*): error: undefined reference to 'std::__throw_length_error(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::isExtensionSupported(cv::String const&) const: error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, unsigned int, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::ios_base::ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::init(std::basic_streambuf<char, std::char_traits<char> >*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::locale::locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, unsigned int, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::_M_sync(char*, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::init(std::basic_streambuf<char, std::char_traits<char> >*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::basic_istream<char, std::char_traits<char> >& std::getline<char, std::char_traits<char>, std::allocator<char> >(std::basic_istream<char, std::char_traits<char> >&, std::basic_string<char, std::char_traits<char>, std::allocator<char> >&, char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_istringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocator<std::string> >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::KernelArg const&): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream(std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::KernelArg const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::KernelArg const&): error: undefined reference to 'std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_stringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::KernelArg const&): error: undefined reference to 'vtable for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::KernelArg const&): error: undefined reference to 'VTT for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function oclCleanupCallback: error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function oclCleanupCallback: error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function oclCleanupCallback: error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::string, std::_Identity<std::string>, std::less<std::string>, std::allocator<std::string> >::_M_insert_(std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::string const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::Impl::Impl(void*): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, unsigned int, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::Impl::Impl(void*): error: undefined reference to 'std::string::assign(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::Impl::Impl(void*): error: undefined reference to 'std::string::find(char, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::Impl::Impl(void*): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::Impl::Impl(void*): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Device::Impl::Impl(void*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::vector<_cl_platform_id*, std::allocator<_cl_platform_id*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<_cl_platform_id**, std::vector<_cl_platform_id*, std::allocator<_cl_platform_id*> > >, unsigned int, _cl_platform_id* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::vector<_cl_device_id*, std::allocator<_cl_device_id*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<_cl_device_id**, std::vector<_cl_device_id*, std::allocator<_cl_device_id*> > >, unsigned int, _cl_device_id* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::_M_leak_hard()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::ostream::put(char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::ostream::flush()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::_M_leak_hard()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::_M_leak_hard()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::_M_leak_hard()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::string::assign(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::ctype<char>::_M_widen_init() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::__throw_bad_cast()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::selectOpenCLDevice(): error: undefined reference to 'std::cerr'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::unloadProg(cv::ocl::Program&): error: undefined reference to 'std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, unsigned int, std::allocator<char> const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::unloadProg(cv::ocl::Program&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::unloadProg(cv::ocl::Program&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*) [clone .part.8]: error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::clear(std::_Ios_Iostate)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::parseLogLevelConfiguration(): error: undefined reference to 'std::cerr'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::ostream::put(char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::ostream::flush()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::__throw_bad_cast()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::ctype<char>::_M_widen_init() const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits<char> >::clear(std::_Ios_Iostate)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::cerr'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LogLevel, char const*): error: undefined reference to 'std::cout'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function _GLOBAL__sub_I_logger.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(logger.cpp.o):logger.cpp:function _GLOBAL__sub_I_logger.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits<char> >::close()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits<char> >::close()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::__basic_file<char>::~__basic_file()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::__basic_file<char>::~__basic_file()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits<char> >::close()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits<char> >::close()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::__basic_file<char>::~__basic_file()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::__basic_file<char>::~__basic_file()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::TraceManager::~TraceManager(): error: undefined reference to 'vtable for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::TraceManager::~TraceManager(): error: undefined reference to 'VTT for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(std::string const&): error: undefined reference to 'std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(char const*, std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(std::string const&): error: undefined reference to 'std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::SyncTraceStorage(std::string const&): error: undefined reference to 'std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream(char const*, std::_Ios_Openmode)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::TraceManager::TraceManager(): error: undefined reference to 'std::string::append(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_c.cpp.o):persistence_c.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_c.cpp.o):persistence_c.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_c.cpp.o):persistence_c.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_c.cpp.o):persistence_c.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_xml.cpp.o):persistence_xml.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_xml.cpp.o):persistence_xml.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_yml.cpp.o):persistence_yml.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_yml.cpp.o):persistence_yml.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_json.cpp.o):persistence_json.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::at(unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'std::locale::locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::_M_sync(char*, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits<char> >& std::operator>><char, std::char_traits<char>, std::allocator<char> >(std::basic_istream<char, std::char_traits<char> >&, std::basic_string<char, std::char_traits<char>, std::allocator<char> >&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_istringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::read_base64_header(std::vector<char, std::allocator<char> > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::_M_sync(char*, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract<unsigned int>(unsigned int&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits<char> >& std::operator>><char, std::char_traits<char> >(std::basic_istream<char, std::char_traits<char> >&, char&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_istringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::_M_sync(char*, unsigned int, unsigned int)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract<unsigned int>(unsigned int&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits<char> >& std::operator>><char, std::char_traits<char> >(std::basic_istream<char, std::char_traits<char> >&, char&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_istringstream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_iostream<char, std::char_traits<char> >::~basic_iostream()'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(persistence_base64.cpp.o):persistence_base64.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >'
  D:/Work/androidSDK/android-ndk-r15c/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::vector<int, std::allocator<int> > cv::remove_dups<int>(std::vector<int, std::allocator<int> > const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::vector<int, std::allocator<int> > cv::remove_dups<int>(std::vector<int, std::allocator<int> > const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::vector<int, std::allocator<int> > cv::remove_dups<int>(std::vector<int, std::allocator<int> > const&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::vector<int, std::allocator<int> > cv::remove_dups<int>(std::vector<int, std::allocator<int> > const&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::_M_insert_unique_(std::_Rb_tree_const_iterator<std::pair<int const, int> >, std::pair<int const, int> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::_M_insert_unique_(std::_Rb_tree_const_iterator<std::pair<int const, int> >, std::pair<int const, int> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::_M_insert_unique_(std::_Rb_tree_const_iterator<std::pair<int const, int> >, std::pair<int const, int> const&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::_M_insert_unique_(std::_Rb_tree_const_iterator<std::pair<int const, int> >, std::pair<int const, int> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/staticlibs/armeabi-v7a/libopencv_core.a(lda.cpp.o):lda.cpp:function cv::LDA::lda(cv::_InputArray const&, cv::_InputArray const&): error: undefined reference to 'std::cout'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::handle_perror(int, char const*): error: undefined reference to 'std::runtime_error::runtime_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::runtime_error::runtime_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::runtime_error::runtime_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::out_of_range::out_of_range(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::length_error::length_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::out_of_range::out_of_range(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::out_of_range::out_of_range(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::runtime_error::runtime_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::out_of_range::out_of_range(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::invalid_argument::invalid_argument(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::range_error::range_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::range_error::range_error(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtbb.a(tbb_misc.cpp.o):tbb_misc.cpp:function tbb::internal::throw_exception_v4(tbb::internal::exception_id): error: undefined reference to 'std::invalid_argument::invalid_argument(std::string const&)'
  C:/Users/developTools/OpenCV-android-sdk/sdk/native/3rdparty/libs/armeabi-v7a/libtegra_hal.a(common.cpp.o):common.cpp:function carotene_o4t::internal::assertSupportedConfiguration(bool): error: undefined reference to 'std::cerr'
  clang++.exe: error: linker command failed with exit code 1 (use -v to see invocation)
  ninja: build stopped: subcommand failed.


Provide feedback

Saved searches

Use saved searches to filter your results more quickly

android 编译问题 #24

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

android 编译问题 #24

Description

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions