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Since Visual Studio 16.11 Visual Studio 2022 (17.0), the data types (e.g. int32x4_t) used by ARM NEON instructions are now defined, so the blocking of NEON support in builds for Windows on ARM has been resolved.
-- 'Release' build type is used by default. Use CMAKE_BUILD_TYPE to specify build type (Release or Debug)
-- Selecting Windows SDK version 10.0.20348.0 to target Windows 10.0.
-- The CXX compiler identification is MSVC 19.31.31104.0
-- The C compiler identification is MSVC 19.31.31104.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.31.31103/bin/Hostx64/arm64/cl.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.31.31103/bin/Hostx64/arm64/cl.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detected processor: ARM64
-- Could NOT find PythonInterp (missing: PYTHON_EXECUTABLE) (Required is at least version "2.7")
-- Could NOT find PythonInterp (missing: PYTHON_EXECUTABLE) (Required is at least version "3.2")
-- Performing Test HAVE_CXX_FP:PRECISE
-- Performing Test HAVE_CXX_FP:PRECISE - Success
-- Performing Test HAVE_C_FP:PRECISE
-- Performing Test HAVE_C_FP:PRECISE - 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
-- FP16 is not supported by C++ compiler
-- Optimization FP16 is not available, skipped
-- Performing Test HAVE_CPU_BASELINE_FLAGS
-- Performing Test HAVE_CPU_BASELINE_FLAGS - Success
-- Performing Test HAVE_CXX_W15240
-- Performing Test HAVE_CXX_W15240 - Success
-- Performing Test HAVE_C_W15240
-- Performing Test HAVE_C_W15240 - Success
-- Looking for malloc.h
-- Looking for malloc.h - found
-- Looking for _aligned_malloc
-- Looking for _aligned_malloc - found
-- Looking for fseeko
-- Looking for fseeko - not found
-- 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 off64_t
-- Check size of off64_t - failed
-- libjpeg-turbo: VERSION = 2.1.2, BUILD = opencv-4.5.5-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
-- Looking for include file intrin.h
-- Looking for include file intrin.h - found
-- Looking for assert.h
-- Looking for assert.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 - 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
-- 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
-- Looking for memmove
-- Looking for memmove - not found
-- Looking for setmode
-- Looking for setmode - found
-- Looking for strcasecmp
-- Looking for strcasecmp - not 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
-- Performing Test HAVE_C_STD_C99
-- Performing Test HAVE_C_STD_C99 - Failed
-- Could NOT find OpenJPEG (minimal suitable version: 2.0, recommended version >= 2.3.1). OpenJPEG will be built from sources
-- OpenJPEG: VERSION = 2.4.0, BUILD = opencv-4.5.5-dev-openjp2-2.4.0
-- Looking for stdlib.h
-- Looking for stdlib.h - found
-- Looking for stdio.h
-- Looking for stdio.h - found
-- Looking for math.h
-- Looking for math.h - found
-- Looking for float.h
-- Looking for float.h - found
-- Looking for time.h
-- Looking for time.h - found
-- Looking for stdarg.h
-- Looking for stdarg.h - found
-- Looking for ctype.h
-- Looking for ctype.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for inttypes.h
-- Looking for inttypes.h - found
-- Looking for strings.h
-- Looking for strings.h - not found
-- Looking for sys/stat.h
-- Looking for sys/stat.h - found
-- Looking for unistd.h
-- Looking for unistd.h - not found
-- Looking for include file malloc.h
-- Looking for include file malloc.h - found
-- Looking for _aligned_malloc
-- Looking for _aligned_malloc - found
-- Looking for posix_memalign
-- Looking for posix_memalign - not found
-- Looking for memalign
-- Looking for memalign - not found
-- OpenJPEG libraries will be built from sources: libopenjp2 (version "2.4.0")
-- Could not find OpenBLAS include. Turning OpenBLAS_FOUND off
-- Could not find OpenBLAS lib. Turning OpenBLAS_FOUND off
-- Looking for sgemm_
-- Looking for sgemm_ - not found
-- Found Threads: TRUE
-- Found OpenMP_C: -openmp (found version "2.0")
-- Found OpenMP: TRUE (found version "2.0") found components: C
-- Could NOT find BLAS (missing: BLAS_LIBRARIES)
-- Could NOT find LAPACK (missing: LAPACK_LIBRARIES)
Reason given by package: LAPACK could not be found because dependency BLAS could not be found.
CMake Deprecation Warning at 3rdparty/carotene/hal/CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 2.8.12 will be removed from a future version of
CMake.
Update the VERSION argument <min> value or use a ...<max> suffix to tell
CMake that the project does not need compatibility with older versions.
CMake Deprecation Warning at 3rdparty/carotene/CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 2.8.12 will be removed from a future version of
CMake.
Update the VERSION argument <min> value or use a ...<max> suffix to tell
CMake that the project does not need compatibility with older versions.
-- ADE: Download: v0.1.1f.zip
-- Looking for mfapi.h
-- Looking for mfapi.h - found
-- Looking for d3d11_4.h
-- Looking for d3d11_4.h - found
-- Allocator metrics storage type: 'int'
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.sse2.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.sse3.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.ssse3.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.sse4_1.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.sse4_2.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.avx.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.fp16.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.avx2.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin128.avx512_skx.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin256.avx2.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin256.avx512_skx.cpp
-- Excluding from source files list: <BUILD>/modules/core/test/test_intrin512.avx512_skx.cpp
-- 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
-- Registering hook 'INIT_MODULE_SOURCES_opencv_dnn': C:/Users/shibayan/Documents/GitHub/opencv/modules/dnn/cmake/hooks/INIT_MODULE_SOURCES_opencv_dnn.cmake
-- opencv_dnn: filter out ocl4dnn source code
-- opencv_dnn: filter out cuda4dnn source code
-- Excluding from source files list: <BUILD>/modules/dnn/layers/layers_common.avx.cpp
-- Excluding from source files list: <BUILD>/modules/dnn/layers/layers_common.avx2.cpp
-- Excluding from source files list: <BUILD>/modules/dnn/layers/layers_common.avx512_skx.cpp
-- Excluding from source files list: <BUILD>/modules/dnn/layers/layers_common.rvv.cpp
-- Excluding from source files list: <BUILD>/modules/dnn/int8layers/layers_common.avx2.cpp
-- Excluding from source files list: <BUILD>/modules/dnn/int8layers/layers_common.avx512_skx.cpp
-- Excluding from source files list: modules/features2d/src/fast.avx2.cpp
-- imgcodecs: OpenEXR codec is disabled in runtime. Details: https://github.com/opencv/opencv/issues/21326
-- highgui: using builtin backend: WIN32UI
-- Found 'misc' Python modules from C:/Users/shibayan/Documents/GitHub/opencv/modules/python/package/extra_modules
-- Found 'mat_wrapper;utils' Python modules from C:/Users/shibayan/Documents/GitHub/opencv/modules/core/misc/python/package
-- Found 'gapi' Python modules from C:/Users/shibayan/Documents/GitHub/opencv/modules/gapi/misc/python/package
-- OpenCL samples are skipped: OpenCL SDK is required
-- SYCL/OpenCL samples are skipped: SYCL SDK is required
-- - check configuration of SYCL_DIR/SYCL_ROOT/CMAKE_MODULE_PATH
-- - ensure that right compiler is selected from SYCL SDK (e.g, clang++): CMAKE_CXX_COMPILER=C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.31.31103/bin/Hostx64/arm64/cl.exe
--
-- General configuration for OpenCV 4.5.5-dev =====================================
-- Version control: 4.1.2-4257-g92b401326d
--
-- Platform:
-- Timestamp: 2022-02-21T15:28:27Z
-- Host: Windows 10.0.22000 AMD64
-- Target: Windows 10.0 ARM64
-- CMake: 3.22.22011901-MSVC_2
-- CMake generator: Visual Studio 17 2022
-- CMake build tool: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/MSBuild/Current/Bin/amd64/MSBuild.exe
-- MSVC: 1931
-- Configuration: Debug Release
--
-- CPU/HW features:
-- Baseline: NEON
-- requested: NEON FP16
--
-- C/C++:
-- Built as dynamic libs?: YES
-- C++ standard: 11
-- C++ Compiler: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.31.31103/bin/Hostx64/arm64/cl.exe (ver 19.31.31104.0)
-- C++ flags (Release): /DWIN32 /D_WINDOWS /W4 /GR /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /D _ARM64_DISTINCT_NEON_TYPES /Oi /fp:precise /EHa /wd4127 /wd4251 /wd4324 /wd4275 /wd4512 /wd4589 /MP /MD /O2 /Ob2 /DNDEBUG
-- C++ flags (Debug): /DWIN32 /D_WINDOWS /W4 /GR /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /D _ARM64_DISTINCT_NEON_TYPES /Oi /fp:precise /EHa /wd4127 /wd4251 /wd4324 /wd4275 /wd4512 /wd4589 /MP /MDd /Zi /Ob0 /Od /RTC1
-- C Compiler: C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Tools/MSVC/14.31.31103/bin/Hostx64/arm64/cl.exe
-- C flags (Release): /DWIN32 /D_WINDOWS /W3 /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /D _ARM64_DISTINCT_NEON_TYPES /Oi /fp:precise /MP /MD /O2 /Ob2 /DNDEBUG
-- C flags (Debug): /DWIN32 /D_WINDOWS /W3 /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /D _ARM64_DISTINCT_NEON_TYPES /Oi /fp:precise /MP /MDd /Zi /Ob0 /Od /RTC1
-- Linker flags (Release): /machine:ARM64 /INCREMENTAL:NO
-- Linker flags (Debug): /machine:ARM64 /debug /INCREMENTAL
-- ccache: NO
-- Precompiled headers: YES
-- Extra dependencies:
-- 3rdparty dependencies:
--
-- OpenCV modules:
-- To be built: calib3d core dnn features2d flann gapi highgui imgcodecs imgproc ml objdetect photo stitching ts video videoio
-- Disabled: world
-- Disabled by dependency: -
-- Unavailable: java python2 python3
-- Applications: tests perf_tests examples apps
-- Documentation: NO
-- Non-free algorithms: NO
--
-- Windows RT support: NO
--
-- GUI: WIN32UI
-- Win32 UI: YES
--
-- Media I/O:
-- ZLib: build (ver 1.2.11)
-- JPEG: build-libjpeg-turbo (ver 2.1.2-62)
-- WEBP: build (ver encoder: 0x020f)
-- PNG: build (ver 1.6.37)
-- TIFF: build (ver 42 - 4.2.0)
-- JPEG 2000: build (ver 2.4.0)
-- OpenEXR: build (ver 2.3.0)
-- HDR: YES
-- SUNRASTER: YES
-- PXM: YES
-- PFM: YES
--
-- Video I/O:
-- DC1394: NO
-- GStreamer: NO
-- DirectShow: YES
-- Media Foundation: YES
-- DXVA: YES
--
-- Parallel framework: Concurrency
--
-- Trace: YES (with Intel ITT)
--
-- Other third-party libraries:
-- Lapack: NO
-- Custom HAL: YES (carotene (ver 0.0.1))
-- Protobuf: build (3.19.1)
--
-- Python (for build): NO
--
-- Install to: C:/Users/shibayan/Documents/GitHub/opencv/build/install
-- -----------------------------------------------------------------
--
-- Configuring done
-- Generating done
-- Build files have been written to: C:/Users/shibayan/Documents/GitHub/opencv/build
* Added NEON support in builds for Windows on ARM
* Fixed `HAVE_CPU_NEON_SUPPORT` display broken during compiler test
* Fixed a build error prior to Visual Studio 2022
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Since
Visual Studio 16.11Visual Studio 2022 (17.0), the data types (e.g.int32x4_t
) used by ARM NEON instructions are now defined, so the blocking of NEON support in builds for Windows on ARM has been resolved._ARM64_DISTINCT_NEON_TYPES
preprocessorTODO:
BUILD_SAMPLES=ON
modefind_package(OpenCL)
founds OpenCL from CUDA SDK which can't work with ARM64 cross-compialtion-DWITH_OPENCL=OFF -DCMAKE_DISABLE_FIND_PACKAGE_OpenCL=ON
Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
Patch to opencv_extra has the same branch name.