>>> opencv3 3.4.13 Extracting gzip -d -c /home/buildroot/autobuild/instance-1/dl/opencv3/opencv3-3.4.13.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13 -xf - >>> opencv3 3.4.13 Patching >>> opencv3 3.4.13 Configuring (mkdir -p /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13//buildroot-build && cd /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13//buildroot-build && rm -f CMakeCache.txt && PATH="/home/buildroot/autobuild/instance-1/output-1/host/bin:/home/buildroot/autobuild/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" PATH="/home/buildroot/autobuild/instance-1/output-1/host/bin:/home/buildroot/autobuild/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" PATH="/home/buildroot/autobuild/instance-1/output-1/host/bin:/home/buildroot/autobuild/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" AR="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-ar" AS="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-as" LD="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-ld" NM="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-nm" CC="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc" GCC="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc" CPP="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-cpp" CXX="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++" FC="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gfortran" F77="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gfortran" RANLIB="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-ranlib" READELF="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-readelf" STRIP="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-strip" OBJCOPY="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-objcopy" OBJDUMP="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/autobuild/instance-1/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-1/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-1/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/instance-1/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-1/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-as" DEFAULT_LINKER="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -O2 " FFLAGS=" -O2 " PKG_CONFIG="/home/buildroot/autobuild/instance-1/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot" INTLTOOL_PERL=/usr/bin/perl LDSHARED="/home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc -shared" PYTHONPATH="/home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/python3.9/" PYTHONNOUSERSITE=1 _PYTHON_SYSCONFIGDATA_NAME="`{ [ -e /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/python3.9//_sysconfigdata__linux_*.py ] && basename /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/python3.9//_sysconfigdata__linux_*.py .py; } || true`" _python_sysroot=/home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot _python_prefix=/usr _python_exec_prefix=/usr /home/buildroot/autobuild/instance-1/output-1/host/bin/cmake /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/ -DCMAKE_TOOLCHAIN_FILE="/home/buildroot/autobuild/instance-1/output-1/host/share/buildroot/toolchainfile.cmake" -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_CXX_FLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1 -latomic -DCV__EXCEPTION_PTR=0" -DBUILD_DOCS=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DBUILD_WITH_DEBUG_INFO=OFF -DDOWNLOAD_EXTERNAL_TEST_DATA=OFF -DOPENCV_ENABLE_PKG_CONFIG=ON -DINSTALL_TEST=OFF -DBUILD_WITH_STATIC_CRT=OFF -DENABLE_CCACHE=OFF -DENABLE_COVERAGE=OFF -DENABLE_FAST_MATH=ON -DENABLE_IMPL_COLLECTION=OFF -DENABLE_NOISY_WARNINGS=OFF -DENABLE_OMIT_FRAME_POINTER=ON -DENABLE_PRECOMPILED_HEADERS=OFF -DENABLE_PROFILING=OFF -DOPENCV_WARNINGS_ARE_ERRORS=OFF -DCMAKE_INSTALL_RPATH_USE_LINK_PATH=OFF -DCMAKE_SKIP_RPATH=OFF -DCMAKE_USE_RELATIVE_PATHS=OFF -DBUILD_PACKAGE=OFF -DENABLE_SOLUTION_FOLDERS=OFF -DINSTALL_CREATE_DISTRIB=OFF -DBUILD_opencv_androidcamera=OFF -DBUILD_opencv_apps=OFF -DBUILD_opencv_calib3d=OFF -DBUILD_opencv_core=ON -DBUILD_opencv_features2d=OFF -DBUILD_opencv_flann=ON -DBUILD_opencv_highgui=OFF -DBUILD_opencv_imgcodecs=ON -DBUILD_opencv_imgproc=ON -DBUILD_opencv_java=OFF -DBUILD_opencv_ml=OFF -DBUILD_opencv_objdetect=OFF -DBUILD_opencv_photo=OFF -DBUILD_opencv_shape=OFF -DBUILD_opencv_stitching=OFF -DBUILD_opencv_superres=OFF -DBUILD_opencv_ts=OFF -DBUILD_opencv_video=OFF -DBUILD_opencv_videoio=OFF -DBUILD_opencv_videostab=OFF -DBUILD_opencv_viz=OFF -DBUILD_opencv_world=OFF -DENABLE_POWERPC=OFF -DENABLE_NEON=OFF -DENABLE_VFPV3=OFF -DBUILD_CUDA_STUBS=OFF -DBUILD_opencv_cudaarithm=OFF -DBUILD_opencv_cudabgsegm=OFF -DBUILD_opencv_cudacodec=OFF -DBUILD_opencv_cudafeatures2d=OFF -DBUILD_opencv_cudafilters=OFF -DBUILD_opencv_cudaimgproc=OFF -DBUILD_opencv_cudalegacy=OFF -DBUILD_opencv_cudaobjdetect=OFF -DBUILD_opencv_cudaoptflow=OFF -DBUILD_opencv_cudastereo=OFF -DBUILD_opencv_cudawarping=OFF -DBUILD_opencv_cudev=OFF -DWITH_CUBLAS=OFF -DWITH_CUDA=OFF -DWITH_CUFFT=OFF -DWITH_NVCUVID=OFF -DWITH_OPENCLAMDBLAS=OFF -DWITH_OPENCLAMDFFT=OFF -DBUILD_WITH_DYNAMIC_IPP=OFF -DWITH_INTELPERC=OFF -DWITH_IPP=OFF -DWITH_IPP_A=OFF -DWITH_TBB=OFF -DWITH_GIGEAPI=OFF -DWITH_PVAPI=OFF -DWITH_XIMEA=OFF -DANDROID=OFF -DBUILD_ANDROID_CAMERA_WRAPPER=OFF -DBUILD_ANDROID_EXAMPLES=OFF -DBUILD_ANDROID_SERVICE=OFF -DBUILD_FAT_JAVA_LIB=OFF -DINSTALL_ANDROID_EXAMPLES=OFF -DWITH_ANDROID_CAMERA=OFF -DWITH_AVFOUNDATION=OFF -DWITH_CARBON=OFF -DWITH_QUICKTIME=OFF -DWITH_CSTRIPES=OFF -DWITH_DSHOW=OFF -DWITH_MSMF=OFF -DWITH_VFW=OFF -DWITH_VIDEOINPUT=OFF -DWITH_WIN32UI=OFF -DBUILD_EXAMPLES=OFF -DBUILD_JASPER=OFF -DBUILD_JPEG=OFF -DBUILD_OPENEXR=OFF -DBUILD_PNG=OFF -DBUILD_PROTOBUF=OFF -DBUILD_TIFF=OFF -DBUILD_ZLIB=OFF -DINSTALL_C_EXAMPLES=OFF -DINSTALL_PYTHON_EXAMPLES=OFF -DINSTALL_TO_MANGLED_PATHS=OFF -DWITH_1394=OFF -DWITH_CLP=OFF -DWITH_EIGEN=OFF -DWITH_GDAL=OFF -DWITH_GPHOTO2=OFF -DWITH_GSTREAMER_0_10=OFF -DWITH_LAPACK=OFF -DWITH_MATLAB=OFF -DWITH_OPENCL=OFF -DWITH_OPENCL_SVM=OFF -DWITH_OPENEXR=OFF -DWITH_OPENNI2=OFF -DWITH_OPENNI=OFF -DWITH_UNICAP=OFF -DWITH_VA=OFF -DWITH_VA_INTEL=OFF -DWITH_VTK=OFF -DWITH_XINE=OFF -DWITH_FFMPEG=OFF -DWITH_GSTREAMER=OFF -DWITH_GTK=OFF -DWITH_GTK_2_X=OFF -DWITH_JASPER=OFF -DWITH_JPEG=OFF -DWITH_OPENGL=OFF -DWITH_OPENMP=OFF -DWITH_PNG=OFF -DWITH_PROTOBUF=OFF -DWITH_QT=OFF -DWITH_TIFF=OFF -DWITH_V4L=OFF -DWITH_LIBV4L=OFF -DWITH_WEBP=OFF -DBUILD_opencv_python2=OFF -DBUILD_opencv_python3=ON -DPYTHON3_EXECUTABLE=/home/buildroot/autobuild/instance-1/output-1/host/bin/python3 -DPYTHON3_INCLUDE_PATH=/home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/include/python3.9 -DPYTHON3_LIBRARIES=/home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/libpython3.9.so -DPYTHON3_NUMPY_INCLUDE_DIRS=/home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/python3.9/site-packages/numpy/core/include -DPYTHON3_PACKAGES_PATH=/usr/lib/python3.9/site-packages -DPYTHON3_NUMPY_VERSION=1.18.2 ) -- The CXX compiler identification is GNU 4.8.3 -- The C compiler identification is GNU 4.8.3 -- Check for working CXX compiler: /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ -- Check for working CXX compiler: /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- Check for working C compiler: /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc -- Check for working C compiler: /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Detected processor: armv5l -- Performing Test HAVE_CXX11 (check file: cmake/checks/cxx11.cpp) -- Performing Test HAVE_CXX11 - Failed -- Found PythonInterp: /usr/bin/python2.7 (Required is at least version "2.7") CMake Warning at cmake/OpenCVDetectPython.cmake:81 (message): CMake's 'find_host_package(PythonInterp 2.7)' found wrong Python version: PYTHON_EXECUTABLE=/usr/bin/python2.7 PYTHON_VERSION_STRING= Consider providing the 'PYTHON2_EXECUTABLE' variable via CMake command line or environment variables Call Stack (most recent call first): cmake/OpenCVDetectPython.cmake:271 (find_python) CMakeLists.txt:611 (include) -- Could NOT find Python2 (missing: Interpreter) -- Found PythonInterp: /usr/bin/python2 -- Found PythonInterp: /home/buildroot/autobuild/instance-1/output-1/host/bin/python3 (found suitable version "3.9.7", minimum required is "3.2") -- Found PythonLibs: /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib32/libpython3.9.so (found suitable version "3.9.7", minimum required is "3.9") -- Performing Test HAVE_CXX_FSIGNED_CHAR -- Performing Test HAVE_CXX_FSIGNED_CHAR - Success -- Performing Test HAVE_C_FSIGNED_CHAR -- Performing Test HAVE_C_FSIGNED_CHAR - Success -- Performing Test HAVE_CXX_FFAST_MATH -- Performing Test HAVE_CXX_FFAST_MATH - Success -- Performing Test HAVE_C_FFAST_MATH -- Performing Test HAVE_C_FFAST_MATH - Success -- Performing Test HAVE_CXX_W -- Performing Test HAVE_CXX_W - Success -- Performing Test HAVE_C_W -- Performing Test HAVE_C_W - Success -- Performing Test HAVE_CXX_WALL -- Performing Test HAVE_CXX_WALL - Success -- Performing Test HAVE_C_WALL -- Performing Test HAVE_C_WALL - Success -- Performing Test HAVE_CXX_WERROR_RETURN_TYPE -- Performing Test HAVE_CXX_WERROR_RETURN_TYPE - Success -- Performing Test HAVE_C_WERROR_RETURN_TYPE -- Performing Test HAVE_C_WERROR_RETURN_TYPE - Success -- Performing Test HAVE_CXX_WERROR_NON_VIRTUAL_DTOR -- Performing Test HAVE_CXX_WERROR_NON_VIRTUAL_DTOR - Success -- Performing Test HAVE_C_WERROR_NON_VIRTUAL_DTOR -- Performing Test HAVE_C_WERROR_NON_VIRTUAL_DTOR - Success -- Performing Test HAVE_CXX_WERROR_ADDRESS -- Performing Test HAVE_CXX_WERROR_ADDRESS - Success -- Performing Test HAVE_C_WERROR_ADDRESS -- Performing Test HAVE_C_WERROR_ADDRESS - Success -- Performing Test HAVE_CXX_WERROR_SEQUENCE_POINT -- Performing Test HAVE_CXX_WERROR_SEQUENCE_POINT - Success -- Performing Test HAVE_C_WERROR_SEQUENCE_POINT -- Performing Test HAVE_C_WERROR_SEQUENCE_POINT - Success -- Performing Test HAVE_CXX_WFORMAT -- Performing Test HAVE_CXX_WFORMAT - Success -- Performing Test HAVE_C_WFORMAT -- Performing Test HAVE_C_WFORMAT - Success -- Performing Test HAVE_CXX_WERROR_FORMAT_SECURITY -- Performing Test HAVE_CXX_WERROR_FORMAT_SECURITY - Success -- Performing Test HAVE_C_WERROR_FORMAT_SECURITY -- Performing Test HAVE_C_WERROR_FORMAT_SECURITY - Success -- Performing Test HAVE_CXX_WMISSING_DECLARATIONS -- Performing Test HAVE_CXX_WMISSING_DECLARATIONS - Success -- Performing Test HAVE_C_WMISSING_DECLARATIONS -- Performing Test HAVE_C_WMISSING_DECLARATIONS - Success -- Performing Test HAVE_CXX_WMISSING_PROTOTYPES -- Performing Test HAVE_CXX_WMISSING_PROTOTYPES - Failed -- Performing Test HAVE_C_WMISSING_PROTOTYPES -- Performing Test HAVE_C_WMISSING_PROTOTYPES - Success -- Performing Test HAVE_CXX_WSTRICT_PROTOTYPES -- Performing Test HAVE_CXX_WSTRICT_PROTOTYPES - Failed -- Performing Test HAVE_C_WSTRICT_PROTOTYPES -- Performing Test HAVE_C_WSTRICT_PROTOTYPES - Success -- Performing Test HAVE_CXX_WUNDEF -- Performing Test HAVE_CXX_WUNDEF - Success -- Performing Test HAVE_C_WUNDEF -- Performing Test HAVE_C_WUNDEF - Success -- Performing Test HAVE_CXX_WINIT_SELF -- Performing Test HAVE_CXX_WINIT_SELF - Success -- Performing Test HAVE_C_WINIT_SELF -- Performing Test HAVE_C_WINIT_SELF - Success -- Performing Test HAVE_CXX_WPOINTER_ARITH -- Performing Test HAVE_CXX_WPOINTER_ARITH - Success -- Performing Test HAVE_C_WPOINTER_ARITH -- Performing Test HAVE_C_WPOINTER_ARITH - Success -- Performing Test HAVE_CXX_WSHADOW -- Performing Test HAVE_CXX_WSHADOW - Success -- Performing Test HAVE_C_WSHADOW -- Performing Test HAVE_C_WSHADOW - Success -- Performing Test HAVE_CXX_WSIGN_PROMO -- Performing Test HAVE_CXX_WSIGN_PROMO - Success -- Performing Test HAVE_C_WSIGN_PROMO -- Performing Test HAVE_C_WSIGN_PROMO - Failed -- Performing Test HAVE_CXX_WUNINITIALIZED -- Performing Test HAVE_CXX_WUNINITIALIZED - Success -- Performing Test HAVE_C_WUNINITIALIZED -- Performing Test HAVE_C_WUNINITIALIZED - Success -- Performing Test HAVE_CXX_WNO_DELETE_NON_VIRTUAL_DTOR -- Performing Test HAVE_CXX_WNO_DELETE_NON_VIRTUAL_DTOR - Success -- Performing Test HAVE_C_WNO_DELETE_NON_VIRTUAL_DTOR -- Performing Test HAVE_C_WNO_DELETE_NON_VIRTUAL_DTOR - Failed -- Performing Test HAVE_CXX_WNO_UNNAMED_TYPE_TEMPLATE_ARGS -- Performing Test HAVE_CXX_WNO_UNNAMED_TYPE_TEMPLATE_ARGS - Failed -- Performing Test HAVE_C_WNO_UNNAMED_TYPE_TEMPLATE_ARGS -- Performing Test HAVE_C_WNO_UNNAMED_TYPE_TEMPLATE_ARGS - Failed -- Performing Test HAVE_CXX_WNO_COMMENT -- Performing Test HAVE_CXX_WNO_COMMENT - Success -- Performing Test HAVE_C_WNO_COMMENT -- Performing Test HAVE_C_WNO_COMMENT - Success -- Performing Test HAVE_CXX_WNO_MISSING_FIELD_INITIALIZERS -- Performing Test HAVE_CXX_WNO_MISSING_FIELD_INITIALIZERS - Success -- Performing Test HAVE_C_WNO_MISSING_FIELD_INITIALIZERS -- Performing Test HAVE_C_WNO_MISSING_FIELD_INITIALIZERS - Success -- Performing Test HAVE_CXX_FDIAGNOSTICS_SHOW_OPTION -- Performing Test HAVE_CXX_FDIAGNOSTICS_SHOW_OPTION - Success -- Performing Test HAVE_C_FDIAGNOSTICS_SHOW_OPTION -- Performing Test HAVE_C_FDIAGNOSTICS_SHOW_OPTION - Success -- Performing Test HAVE_CXX_PTHREAD -- Performing Test HAVE_CXX_PTHREAD - Success -- Performing Test HAVE_C_PTHREAD -- Performing Test HAVE_C_PTHREAD - Success -- Performing Test HAVE_CXX_FOMIT_FRAME_POINTER -- Performing Test HAVE_CXX_FOMIT_FRAME_POINTER - Success -- Performing Test HAVE_C_FOMIT_FRAME_POINTER -- Performing Test HAVE_C_FOMIT_FRAME_POINTER - Success -- Performing Test HAVE_CXX_FFUNCTION_SECTIONS -- Performing Test HAVE_CXX_FFUNCTION_SECTIONS - Success -- Performing Test HAVE_C_FFUNCTION_SECTIONS -- Performing Test HAVE_C_FFUNCTION_SECTIONS - Success -- Performing Test HAVE_CXX_FDATA_SECTIONS -- Performing Test HAVE_CXX_FDATA_SECTIONS - Success -- Performing Test HAVE_C_FDATA_SECTIONS -- Performing Test HAVE_C_FDATA_SECTIONS - Success -- Performing Test HAVE_CXX_MFPU_VFPV3 -- Performing Test HAVE_CXX_MFPU_VFPV3 - Success -- Performing Test HAVE_CPU_NEON_SUPPORT (check file: cmake/checks/cpu_neon.cpp) -- Performing Test HAVE_CPU_NEON_SUPPORT - Failed -- Performing Test HAVE_CXX_MFPU_NEON (check file: cmake/checks/cpu_neon.cpp) -- Performing Test HAVE_CXX_MFPU_NEON - Failed -- NEON is not supported by C++ compiler -- Performing Test HAVE_CPU_FP16_SUPPORT (check file: cmake/checks/cpu_fp16.cpp) -- Performing Test HAVE_CPU_FP16_SUPPORT - Failed -- Performing Test HAVE_CXX_MFPU_NEON_FP16_MFP16_FORMAT_IEEE (check file: cmake/checks/cpu_fp16.cpp) -- Performing Test HAVE_CXX_MFPU_NEON_FP16_MFP16_FORMAT_IEEE - Failed -- FP16 is not supported by C++ compiler -- Performing Test HAVE_CPU_BASELINE_FLAGS -- Performing Test HAVE_CPU_BASELINE_FLAGS - Success -- Performing Test HAVE_CXX_FVISIBILITY_HIDDEN -- Performing Test HAVE_CXX_FVISIBILITY_HIDDEN - Success -- Performing Test HAVE_C_FVISIBILITY_HIDDEN -- Performing Test HAVE_C_FVISIBILITY_HIDDEN - Success -- Performing Test HAVE_CXX_FVISIBILITY_INLINES_HIDDEN -- Performing Test HAVE_CXX_FVISIBILITY_INLINES_HIDDEN - Success -- Performing Test HAVE_C_FVISIBILITY_INLINES_HIDDEN -- Performing Test HAVE_C_FVISIBILITY_INLINES_HIDDEN - Failed -- Performing Test HAVE_LINK_AS_NEEDED -- Performing Test HAVE_LINK_AS_NEEDED - Success -- Looking for pthread.h -- Looking for pthread.h - found -- Looking for posix_memalign -- Looking for posix_memalign - found -- Looking for malloc.h -- Looking for malloc.h - found -- Looking for memalign -- Looking for memalign - found -- Check if the system is big endian -- Searching 16 bit integer -- Looking for sys/types.h -- Looking for sys/types.h - found -- Looking for stdint.h -- Looking for stdint.h - found -- Looking for stddef.h -- Looking for stddef.h - found -- Check size of unsigned short -- Check size of unsigned short - done -- Using unsigned short -- Check if the system is big endian - little endian -- Found ZLIB: /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib32/libz.so (found suitable version "1.2.11", minimum required is "1.2.3") -- Performing Test HAVE_C_WNO_UNUSED_VARIABLE -- Performing Test HAVE_C_WNO_UNUSED_VARIABLE - Success -- Performing Test HAVE_C_WNO_SHADOW -- Performing Test HAVE_C_WNO_SHADOW - Success -- Carotene: NEON is not available, disabling carotene... -- Looking for dlerror in dl -- Looking for dlerror in dl - found -- Performing Test HAVE_C_WNO_IMPLICIT_FALLTHROUGH -- Performing Test HAVE_C_WNO_IMPLICIT_FALLTHROUGH - Failed -- Performing Test HAVE_C_WNO_UNDEF -- Performing Test HAVE_C_WNO_UNDEF - Success -- Performing Test HAVE_C_WNO_SIGN_COMPARE -- Performing Test HAVE_C_WNO_SIGN_COMPARE - Success -- OpenCV Python: during development append to PYTHONPATH: /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build/python_loader -- Excluding from source files list: modules/imgproc/src/corner.avx.cpp -- Excluding from source files list: modules/imgproc/src/imgwarp.avx2.cpp -- Excluding from source files list: modules/imgproc/src/imgwarp.sse4_1.cpp -- Excluding from source files list: modules/imgproc/src/resize.avx2.cpp -- Excluding from source files list: modules/imgproc/src/resize.sse4_1.cpp -- Performing Test HAVE_CXX_WNO_DEPRECATED_DECLARATIONS -- Performing Test HAVE_CXX_WNO_DEPRECATED_DECLARATIONS - Success -- Performing Test HAVE_CXX_WNO_OVERLOADED_VIRTUAL -- Performing Test HAVE_CXX_WNO_OVERLOADED_VIRTUAL - Success -- Performing Test HAVE_CXX_WNO_UNUSED_PRIVATE_FIELD -- Performing Test HAVE_CXX_WNO_UNUSED_PRIVATE_FIELD - Failed -- Performing Test HAVE_CXX_WNO_UNDEF -- Performing Test HAVE_CXX_WNO_UNDEF - Success CMake Warning at cmake/OpenCVGenSetupVars.cmake:54 (message): CONFIGURATION IS NOT SUPPORTED: validate setupvars script in install directory Call Stack (most recent call first): CMakeLists.txt:998 (include) -- -- General configuration for OpenCV 3.4.13 ===================================== -- Version control: unknown -- -- Platform: -- Timestamp: 2021-09-12T06:39:43Z -- Host: Linux 4.9.0-16-amd64 x86_64 -- Target: Linux 1 armv5l -- CMake: 3.16.9 -- CMake generator: Unix Makefiles -- CMake build tool: /usr/bin/make -- Configuration: Release -- -- CPU/HW features: -- Baseline: -- requested: DETECT -- disabled: VFPV3 NEON -- -- C/C++: -- Built as dynamic libs?: YES -- C++ Compiler: /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ (ver 4.8.3) -- C++ flags (Release): -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1 -latomic -DCV__EXCEPTION_PTR=0 -fsigned-char -ffast-math -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wno-delete-non-virtual-dtor -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -DNDEBUG -DNDEBUG -- C++ flags (Debug): -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1 -latomic -DCV__EXCEPTION_PTR=0 -fsigned-char -ffast-math -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wno-delete-non-virtual-dtor -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -DDEBUG -D_DEBUG -- C Compiler: /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc -- C flags (Release): -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1 -fsigned-char -ffast-math -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -DNDEBUG -DNDEBUG -- C flags (Debug): -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_FORTIFY_SOURCE=1 -fsigned-char -ffast-math -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -DDEBUG -D_DEBUG -- Linker flags (Release): -Wl,--gc-sections -Wl,--as-needed -- Linker flags (Debug): -Wl,--gc-sections -Wl,--as-needed -- ccache: NO -- Precompiled headers: NO -- Extra dependencies: dl m pthread rt -- 3rdparty dependencies: -- -- OpenCV modules: -- To be built: core flann imgcodecs imgproc python3 -- Disabled: calib3d features2d highgui ml objdetect photo shape stitching superres video videoio videostab world -- Disabled by dependency: - -- Unavailable: cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev dnn java python2 ts viz -- Applications: - -- Documentation: NO -- Non-free algorithms: NO -- -- GUI: -- -- Media I/O: -- ZLib: /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib32/libz.so (ver 1.2.11) -- HDR: YES -- SUNRASTER: YES -- PXM: YES -- -- Video I/O: -- -- Parallel framework: pthreads -- -- Trace: YES (with Intel ITT) -- -- Other third-party libraries: -- Custom HAL: NO -- -- Python 3: -- Interpreter: /home/buildroot/autobuild/instance-1/output-1/host/bin/python3 (ver 3.9.7) -- Libraries: /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/libpython3.9.so (ver 3.9.7) -- numpy: /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/lib/python3.9/site-packages/numpy/core/include (ver 1.18.2) -- install path: /usr/lib/python3.9/site-packages/cv2/python-3.9 -- -- Python (for build): /home/buildroot/autobuild/instance-1/output-1/host/bin/python3 -- -- Install to: /usr -- ----------------------------------------------------------------- -- -- Configuring done -- Generating done -- Build files have been written to: /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build >>> opencv3 3.4.13 Building PATH="/home/buildroot/autobuild/instance-1/output-1/host/bin:/home/buildroot/autobuild/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" /usr/bin/make -j4 -C /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13//buildroot-build make[1]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[2]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' Scanning dependencies of target gen-pkgconfig make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' Scanning dependencies of target gen_opencv_python_source make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' Scanning dependencies of target ittnotify [ 0%] Generate opencv.pc make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 1%] Generate files for Python bindings and documentation [ 2%] Building C object 3rdparty/ittnotify/CMakeFiles/ittnotify.dir/src/ittnotify/jitprofiling.c.o [ 2%] Building C object 3rdparty/ittnotify/CMakeFiles/ittnotify.dir/src/ittnotify/ittnotify_static.c.o make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 2%] Built target gen-pkgconfig make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 2%] Built target gen_opencv_python_source [ 2%] Linking C static library ../lib/libittnotify.a make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 2%] Built target ittnotify make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 3%] Processing OpenCL kernels (core) Scanning dependencies of target opencv_core make[3]: Leaving directory 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modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/samplers.cpp.o [ 82%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/segmentation.cpp.o [ 82%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/shapedescr.cpp.o [ 83%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/smooth.dispatch.cpp.o [ 83%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/spatialgradient.cpp.o [ 84%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/subdivision2d.cpp.o [ 85%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/sumpixels.dispatch.cpp.o [ 85%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/tables.cpp.o [ 86%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/templmatch.cpp.o [ 86%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/thresh.cpp.o [ 87%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/undistort.dispatch.cpp.o [ 87%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/src/utils.cpp.o [ 88%] Building CXX object modules/imgproc/CMakeFiles/opencv_imgproc.dir/opencl_kernels_imgproc.cpp.o [ 88%] Linking CXX shared library ../../lib/libopencv_imgproc.so make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 88%] Built target opencv_imgproc make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' Scanning dependencies of target opencv_imgcodecs make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 88%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/loadsave.cpp.o [ 89%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_base.cpp.o [ 89%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/utils.cpp.o [ 90%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_bmp.cpp.o [ 90%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_exr.cpp.o [ 91%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_gdal.cpp.o [ 91%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_gdcm.cpp.o [ 92%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_hdr.cpp.o [ 92%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_jpeg.cpp.o [ 93%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_jpeg2000.cpp.o [ 94%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_pam.cpp.o [ 94%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_png.cpp.o [ 95%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_pxm.cpp.o [ 95%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_sunras.cpp.o [ 96%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_tiff.cpp.o [ 96%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/grfmt_webp.cpp.o [ 97%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/bitstrm.cpp.o [ 97%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/rgbe.cpp.o [ 98%] Building CXX object modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/src/exif.cpp.o [ 98%] Linking CXX shared library ../../lib/libopencv_imgcodecs.so make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [ 98%] Built target opencv_imgcodecs make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' Scanning dependencies of target opencv_python3 make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' make[3]: Entering directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' [100%] Building CXX object modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.o In file included from /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build/modules/python_bindings_generator/pyopencv_custom_headers.h:4:0, from /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/python/src2/cv2.cpp:1870: /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:2:9: error: 'cvflann' does not name a type typedef cvflann::flann_distance_t cvflann_flann_distance_t; ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:3:9: error: 'cvflann' does not name a type typedef cvflann::flann_algorithm_t cvflann_flann_algorithm_t; ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:6:31: error: 'cvflann_flann_algorithm_t' does not name a type PyObject* pyopencv_from(const cvflann_flann_algorithm_t& value) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:6:58: error: ISO C++ forbids declaration of 'value' with no type [-fpermissive] PyObject* pyopencv_from(const cvflann_flann_algorithm_t& value) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:6:11: error: redefinition of 'PyObject* pyopencv_from(const T&) [with T = int; PyObject = _object]' PyObject* pyopencv_from(const cvflann_flann_algorithm_t& value) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/python/src2/cv2.cpp:805:11: error: 'PyObject* pyopencv_from(const T&) [with T = int; PyObject = _object]' previously declared here PyObject* pyopencv_from(const int& value) ^ In file included from /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build/modules/python_bindings_generator/pyopencv_custom_headers.h:4:0, from /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/python/src2/cv2.cpp:1870: /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:12:31: error: 'cvflann_flann_distance_t' does not name a type PyObject* pyopencv_from(const cvflann_flann_distance_t& value) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:12:57: error: ISO C++ forbids declaration of 'value' with no type [-fpermissive] PyObject* pyopencv_from(const cvflann_flann_distance_t& value) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:12:11: error: redefinition of 'PyObject* pyopencv_from(const T&) [with T = int; PyObject = _object]' PyObject* pyopencv_from(const cvflann_flann_distance_t& value) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/python/src2/cv2.cpp:805:11: error: 'PyObject* pyopencv_from(const T&) [with T = int; PyObject = _object]' previously declared here PyObject* pyopencv_from(const int& value) ^ In file included from /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build/modules/python_bindings_generator/pyopencv_custom_headers.h:4:0, from /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/python/src2/cv2.cpp:1870: /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:18:35: error: 'cv::flann' has not been declared bool pyopencv_to(PyObject *o, cv::flann::IndexParams& p, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:18:53: error: expected ',' or '...' before '&' token bool pyopencv_to(PyObject *o, cv::flann::IndexParams& p, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:18:6: error: template-id 'pyopencv_to<>' for 'bool pyopencv_to(PyObject*, int)' does not match any template declaration bool pyopencv_to(PyObject *o, cv::flann::IndexParams& p, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:74:37: error: 'cv::flann' has not been declared bool pyopencv_to(PyObject* obj, cv::flann::SearchParams & value, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:74:57: error: expected ',' or '...' before '&' token bool pyopencv_to(PyObject* obj, cv::flann::SearchParams & value, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:74:6: error: template-id 'pyopencv_to<>' for 'bool pyopencv_to(PyObject*, int)' does not match any template declaration bool pyopencv_to(PyObject* obj, cv::flann::SearchParams & value, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:80:31: error: 'cvflann' has not been declared bool pyopencv_to(PyObject *o, cvflann::flann_distance_t& dist, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:80:56: error: expected ',' or '...' before '&' token bool pyopencv_to(PyObject *o, cvflann::flann_distance_t& dist, const ArgInfo& info) ^ /home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/modules/flann/misc/python/pyopencv_flann.hpp:80:6: error: template-id 'pyopencv_to<>' for 'bool pyopencv_to(PyObject*, int)' does not match any template declaration bool pyopencv_to(PyObject *o, cvflann::flann_distance_t& dist, const ArgInfo& info) ^ modules/python3/CMakeFiles/opencv_python3.dir/build.make:65: recipe for target 'modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.o' failed make[3]: *** [modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.o] Error 1 make[3]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' CMakeFiles/Makefile2:1603: recipe for target 'modules/python3/CMakeFiles/opencv_python3.dir/all' failed make[2]: *** [modules/python3/CMakeFiles/opencv_python3.dir/all] Error 2 make[2]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' Makefile:165: recipe for target 'all' failed make[1]: *** [all] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/buildroot-build' package/pkg-generic.mk:247: recipe for target '/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/.stamp_built' failed make: *** [/home/buildroot/autobuild/instance-1/output-1/build/opencv3-3.4.13/.stamp_built] Error 2 make: Leaving directory '/home/buildroot/autobuild/instance-1/buildroot'