-- Check for working CXX compiler: /opt/android-ndk-r18b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ -- Check for working CXX compiler: /opt/android-ndk-r18b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ -- 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: /opt/android-ndk-r18b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang -- Check for working C compiler: /opt/android-ndk-r18b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Detected processor: armv7-a -- Found PythonInterp: /usr/bin/python2.7 (found suitable version "2.7.17", minimum required is "2.7") -- Found PythonInterp: /usr/bin/python3 (found suitable version "3.6.9", minimum required is "3.2") -- Looking for ccache - not found -- 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_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 - Success -- 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 - Success -- 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 - Success -- 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_WINCONSISTENT_MISSING_OVERRIDE -- Performing Test HAVE_CXX_WINCONSISTENT_MISSING_OVERRIDE - Success -- Performing Test HAVE_C_WINCONSISTENT_MISSING_OVERRIDE -- Performing Test HAVE_C_WINCONSISTENT_MISSING_OVERRIDE - 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 - Success -- Performing Test HAVE_CXX_WNO_UNNAMED_TYPE_TEMPLATE_ARGS -- Performing Test HAVE_CXX_WNO_UNNAMED_TYPE_TEMPLATE_ARGS - Success -- Performing Test HAVE_C_WNO_UNNAMED_TYPE_TEMPLATE_ARGS -- Performing Test HAVE_C_WNO_UNNAMED_TYPE_TEMPLATE_ARGS - Success -- 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_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_QUNUSED_ARGUMENTS -- Performing Test HAVE_CXX_QUNUSED_ARGUMENTS - Success -- Performing Test HAVE_C_QUNUSED_ARGUMENTS -- Performing Test HAVE_C_QUNUSED_ARGUMENTS - 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 - Success -- 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 - Success -- Performing Test HAVE_LINK_AS_NEEDED -- Performing Test HAVE_LINK_AS_NEEDED - Success -- OpenCV disables pkg-config to avoid using of host libraries. Consider using PKG_CONFIG_LIBDIR to specify target SYSROOT -- 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: /opt/android-ndk-r18b/platforms/android-21/arch-arm/usr/lib/libz.so (found suitable version "1.2.7", minimum required is "1.2.3") -- Performing Test HAVE_C_WNO_UNUSED_PARAMETER -- Performing Test HAVE_C_WNO_UNUSED_PARAMETER - Success -- Performing Test HAVE_C_WNO_SIGN_COMPARE -- Performing Test HAVE_C_WNO_SIGN_COMPARE - Success -- Performing Test HAVE_C_WNO_SHORTEN_64_TO_32 -- Performing Test HAVE_C_WNO_SHORTEN_64_TO_32 - Success -- Performing Test HAVE_C_WNO_IMPLICIT_FALLTHROUGH -- Performing Test HAVE_C_WNO_IMPLICIT_FALLTHROUGH - Success -- libjpeg-turbo: VERSION = 2.0.4, BUILD = opencv-4.3.0-dev-libjpeg-turbo -- Check size of size_t -- Check size of size_t - done -- Check size of unsigned long -- Check size of unsigned long - done -- Performing Test HAVE_BUILTIN_CTZL -- Performing Test HAVE_BUILTIN_CTZL - Success -- Looking for include file locale.h -- Looking for include file locale.h - found -- Looking for include file stdlib.h -- Looking for include file stdlib.h - found -- Looking for include file sys/types.h -- Looking for include file sys/types.h - found -- Looking for assert.h -- Looking for assert.h - found -- Looking for dlfcn.h -- Looking for dlfcn.h - found -- Looking for fcntl.h -- Looking for fcntl.h - found -- Looking for inttypes.h -- Looking for inttypes.h - found -- Looking for io.h -- Looking for io.h - not found -- Looking for limits.h -- Looking for limits.h - found -- Looking for memory.h -- Looking for memory.h - found -- Looking for search.h -- Looking for search.h - found -- Looking for string.h -- Looking for string.h - found -- Looking for strings.h -- Looking for strings.h - found -- Looking for sys/time.h -- Looking for sys/time.h - found -- Looking for unistd.h -- Looking for unistd.h - found -- Performing Test C_HAS_inline -- Performing Test C_HAS_inline - Success -- Check size of signed short -- Check size of signed short - done -- Check size of unsigned short -- Check size of unsigned short - done -- Check size of signed int -- Check size of signed int - done -- Check size of unsigned int -- Check size of unsigned int - done -- Check size of signed long -- Check size of signed long - done -- Check size of signed long long -- Check size of signed long long - done -- Check size of unsigned long long -- Check size of unsigned long long - done -- Check size of unsigned char * -- Check size of unsigned char * - done -- Check size of ptrdiff_t -- Check size of ptrdiff_t - done -- Check size of INT8 -- Check size of INT8 - failed -- Check size of INT16 -- Check size of INT16 - failed -- Check size of INT32 -- Check size of INT32 - failed -- Looking for floor -- Looking for floor - found -- Looking for pow -- Looking for pow - found -- Looking for sqrt -- Looking for sqrt - found -- Looking for isascii -- Looking for isascii - found -- Looking for memset -- Looking for memset - found -- Looking for mmap -- Looking for mmap - found -- Looking for getopt -- Looking for getopt - found -- Looking for memmove -- Looking for memmove - found -- Looking for setmode -- Looking for setmode - not found -- Looking for strcasecmp -- Looking for strcasecmp - found -- Looking for strchr -- Looking for strchr - found -- Looking for strrchr -- Looking for strrchr - found -- Looking for strstr -- Looking for strstr - found -- Looking for strtol -- Looking for strtol - found -- Looking for strtol -- Looking for strtol - found -- Looking for strtoull -- Looking for strtoull - found -- Looking for lfind -- Looking for lfind - found -- Performing Test HAVE_SNPRINTF -- Performing Test HAVE_SNPRINTF - Success -- Check if the system is big endian -- Searching 16 bit integer -- Using unsigned short -- Check if the system is big endian - little endian -- Performing Test HAVE_C_WNO_UNUSED_BUT_SET_VARIABLE -- Performing Test HAVE_C_WNO_UNUSED_BUT_SET_VARIABLE - Failed -- Performing Test HAVE_C_WNO_MISSING_PROTOTYPES -- Performing Test HAVE_C_WNO_MISSING_PROTOTYPES - Success -- Performing Test HAVE_C_WNO_MISSING_DECLARATIONS -- Performing Test HAVE_C_WNO_MISSING_DECLARATIONS - Success -- Performing Test HAVE_C_WNO_UNDEF -- Performing Test HAVE_C_WNO_UNDEF - Success -- Performing Test HAVE_C_WNO_UNUSED -- Performing Test HAVE_C_WNO_UNUSED - Success -- Performing Test HAVE_C_WNO_CAST_ALIGN -- Performing Test HAVE_C_WNO_CAST_ALIGN - Success -- Performing Test HAVE_C_WNO_SHADOW -- Performing Test HAVE_C_WNO_SHADOW - Success -- Performing Test HAVE_C_WNO_MAYBE_UNINITIALIZED -- Performing Test HAVE_C_WNO_MAYBE_UNINITIALIZED - Failed -- Performing Test HAVE_C_WNO_POINTER_TO_INT_CAST -- Performing Test HAVE_C_WNO_POINTER_TO_INT_CAST - Success -- Performing Test HAVE_C_WNO_INT_TO_POINTER_CAST -- Performing Test HAVE_C_WNO_INT_TO_POINTER_CAST - Success -- Performing Test HAVE_C_WNO_MISLEADING_INDENTATION -- Performing Test HAVE_C_WNO_MISLEADING_INDENTATION - Failed -- Performing Test HAVE_CXX_WNO_MISSING_DECLARATIONS -- Performing Test HAVE_CXX_WNO_MISSING_DECLARATIONS - Success -- Performing Test HAVE_CXX_WNO_UNUSED_PARAMETER -- Performing Test HAVE_CXX_WNO_UNUSED_PARAMETER - Success -- Performing Test HAVE_CXX_WNO_MISSING_PROTOTYPES -- Performing Test HAVE_CXX_WNO_MISSING_PROTOTYPES - Success -- Performing Test HAVE_CXX_WNO_UNDEF -- Performing Test HAVE_CXX_WNO_UNDEF - Success -- Performing Test HAVE_C_STD_C99 -- Performing Test HAVE_C_STD_C99 - Success -- Performing Test HAVE_C_WNO_UNUSED_VARIABLE -- Performing Test HAVE_C_WNO_UNUSED_VARIABLE - Success -- Performing Test HAVE_C_WNO_UNUSED_FUNCTION -- Performing Test HAVE_C_WNO_UNUSED_FUNCTION - Success -- Could NOT find OpenJPEG (minimal suitable version: 2.0, recommended version >= 2.3.1) -- Performing Test HAVE_C_WNO_IMPLICIT_FUNCTION_DECLARATION -- Performing Test HAVE_C_WNO_IMPLICIT_FUNCTION_DECLARATION - Success -- Performing Test HAVE_C_WNO_UNINITIALIZED -- Performing Test HAVE_C_WNO_UNINITIALIZED - Success -- Performing Test HAVE_C_WNO_UNUSED_BUT_SET_PARAMETER -- Performing Test HAVE_C_WNO_UNUSED_BUT_SET_PARAMETER - Failed -- Performing Test HAVE_C_WNO_STRICT_OVERFLOW -- Performing Test HAVE_C_WNO_STRICT_OVERFLOW - Success -- Performing Test HAVE_C_WNO_POINTER_COMPARE -- Performing Test HAVE_C_WNO_POINTER_COMPARE - Failed -- Performing Test HAVE_C_WNO_ABSOLUTE_VALUE -- Performing Test HAVE_C_WNO_ABSOLUTE_VALUE - Success -- Performing Test HAVE_C_WNO_STRICT_PROTOTYPES -- Performing Test HAVE_C_WNO_STRICT_PROTOTYPES - Success -- Looking for semaphore.h -- Looking for semaphore.h - found -- Performing Test HAVE_CXX_WNO_SHADOW -- Performing Test HAVE_CXX_WNO_SHADOW - Success -- Performing Test HAVE_CXX_WNO_UNUSED -- Performing Test HAVE_CXX_WNO_UNUSED - Success -- Performing Test HAVE_CXX_WNO_SIGN_COMPARE -- Performing Test HAVE_CXX_WNO_SIGN_COMPARE - Success -- Performing Test HAVE_CXX_WNO_UNINITIALIZED -- Performing Test HAVE_CXX_WNO_UNINITIALIZED - Success -- Performing Test HAVE_CXX_WNO_SWITCH -- Performing Test HAVE_CXX_WNO_SWITCH - Success -- Performing Test HAVE_CXX_WNO_PARENTHESES -- Performing Test HAVE_CXX_WNO_PARENTHESES - Success -- Performing Test HAVE_CXX_WNO_ARRAY_BOUNDS -- Performing Test HAVE_CXX_WNO_ARRAY_BOUNDS - Success -- Performing Test HAVE_CXX_WNO_EXTRA -- Performing Test HAVE_CXX_WNO_EXTRA - Success -- Performing Test HAVE_CXX_WNO_DEPRECATED_DECLARATIONS -- Performing Test HAVE_CXX_WNO_DEPRECATED_DECLARATIONS - Success -- Performing Test HAVE_CXX_WNO_MISLEADING_INDENTATION -- Performing Test HAVE_CXX_WNO_MISLEADING_INDENTATION - Failed -- Performing Test HAVE_CXX_WNO_DEPRECATED -- Performing Test HAVE_CXX_WNO_DEPRECATED - Success -- Performing Test HAVE_CXX_WNO_SUGGEST_OVERRIDE -- Performing Test HAVE_CXX_WNO_SUGGEST_OVERRIDE - Failed -- Performing Test HAVE_CXX_WNO_INCONSISTENT_MISSING_OVERRIDE -- Performing Test HAVE_CXX_WNO_INCONSISTENT_MISSING_OVERRIDE - Success -- Performing Test HAVE_CXX_WNO_IMPLICIT_FALLTHROUGH -- Performing Test HAVE_CXX_WNO_IMPLICIT_FALLTHROUGH - Success -- Performing Test HAVE_CXX_WNO_TAUTOLOGICAL_COMPARE -- Performing Test HAVE_CXX_WNO_TAUTOLOGICAL_COMPARE - Success -- Performing Test HAVE_CXX_WNO_REORDER -- Performing Test HAVE_CXX_WNO_REORDER - Success -- Performing Test HAVE_CXX_WNO_UNUSED_RESULT -- Performing Test HAVE_CXX_WNO_UNUSED_RESULT - Success -- Performing Test HAVE_CXX_WNO_UNUSED_LOCAL_TYPEDEFS -- Performing Test HAVE_CXX_WNO_UNUSED_LOCAL_TYPEDEFS - Success -- Performing Test HAVE_CXX_WNO_SIGN_PROMO -- Performing Test HAVE_CXX_WNO_SIGN_PROMO - Success -- Performing Test HAVE_CXX_WNO_TAUTOLOGICAL_UNDEFINED_COMPARE -- Performing Test HAVE_CXX_WNO_TAUTOLOGICAL_UNDEFINED_COMPARE - Success -- Performing Test HAVE_CXX_WNO_IGNORED_QUALIFIERS -- Performing Test HAVE_CXX_WNO_IGNORED_QUALIFIERS - Success -- Performing Test HAVE_CXX_WNO_UNUSED_FUNCTION -- Performing Test HAVE_CXX_WNO_UNUSED_FUNCTION - Success -- Performing Test HAVE_CXX_WNO_UNUSED_CONST_VARIABLE -- Performing Test HAVE_CXX_WNO_UNUSED_CONST_VARIABLE - Success -- Performing Test HAVE_CXX_WNO_SHORTEN_64_TO_32 -- Performing Test HAVE_CXX_WNO_SHORTEN_64_TO_32 - Success -- Performing Test HAVE_CXX_WNO_INVALID_OFFSETOF -- Performing Test HAVE_CXX_WNO_INVALID_OFFSETOF - Success -- Performing Test HAVE_CXX_WNO_ENUM_COMPARE_SWITCH -- Performing Test HAVE_CXX_WNO_ENUM_COMPARE_SWITCH - Success -- TENGINE:-- Build Tengine from source code. -- TENGINE: Download: 2f3cd86217f3530c8e4a82f3ed5af14c7a4e3943.zip -- TENGINE DOWNLOAD success . -- CMAKE_INSTALL_PREFIX = /home/alexander/Projects/opencv-build-android/install -- CONFIG_ARCH_ARM32 = ON -- The ASM-ATT compiler identification is GNU -- Found assembler: /opt/android-ndk-r18b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-as CMake Error at cmake/OpenCVUtils.cmake:1185 (install): install TARGETS given target "tengine" which does not exist in this directory. Call Stack (most recent call first): 3rdparty/libtengine/tengine.cmake:89 (ocv_install_target) cmake/OpenCVFindTengine.cmake:59 (include) CMakeLists.txt:691 (include) -- Found Tengine include: /home/alexander/Projects/opencv-build-android/3rdparty/libtengine/Tengine-2f3cd86217f3530c8e4a82f3ed5af14c7a4e3943/core/include -- Found Tengine libraries: tengine CMake Error at cmake/android/OpenCVDetectAndroidSDK.cmake:49 (message): Android SDK: specify path to Android SDK via ANDROID_SDK_ROOT / ANDROID_HOME / ANDROID_SDK variables Call Stack (most recent call first): cmake/android/OpenCVDetectAndroidSDK.cmake:172 (ocv_detect_android_sdk) CMakeLists.txt:701 (include) -- Configuring incomplete, errors occurred! See also "/home/alexander/Projects/opencv-build-android/CMakeFiles/CMakeOutput.log". See also "/home/alexander/Projects/opencv-build-android/CMakeFiles/CMakeError.log".