mingw下编译opencv4.5.2-编程知识

初衷：

加载之前的模型没问题，但最近加载另一个模型时出现报错：

OpenCV: terminate handler is called! The last OpenCV error is:
OpenCV(4.1.0) Error: Assertion failed (nodesMapIt != nodesMap.end()) in sortByExecutionOrder, file G:/MXCwork/2019/opencv4.1.0/opencv-4.1.0/modules/dnn/src/tensorflow/tf_graph_simplifier.cpp, line 860

在ubuntu上试过4.5.2加载模型没问题，于是重新编译mingw32的opencv4.5.2，配置如下：

mingw：4.9.2_32bit，同时设置好环境变量G:\QT\qt\Tools\MinGW_4.9.2\MinGW\bin

系统：windows10

opencv:4.5.2

一、github下载opencv源码

在源码中新建将build的文件夹如下：

注意contrib也要下对应版本https://github.com/opencv/opencv_contrib

二、打开cmake-gui

然后选择generator是MingW Makefiles，然后specify native compilers的C和C++处分别填写G:\QT\qt\Tools\MinGW_4.9.2\MinGW\bin\gcc.exe 以及G:\QT\qt\Tools\MinGW_4.9.2\MinGW\bin\g++.exe然后点击configure

三、手动下载必须的包

在第一次configure过程中可能有红色报错，不用在意。第一遍configure结束后按自己的需求取消或增加勾选项，比如我不用OpenCL我就将相关的全部取消，我还取消了OPENCV_GENERATE_SETUPVARS，并填写：

然后开始第二次configure，在这个过程中要关注输出，当出现红色报错，如下应立刻将https://download.csdn.net/download/wd1603926823/88651377 的包拷贝或替换到opencv4.5.2下的.cache文件夹下的对应文件夹下，此时你替换时应该也看到系统正在下载同名的文件，但因网络问题很可能下载不全，所以建议直接全部替换：

接着开始第三次configure，此时我的只报了下图一个错，但我忽略了：

最后generate

Detected processor: AMD64
sizeof(void) = 4 on 64 bit processor. Assume 32-bit compilation mode
libjpeg-turbo: VERSION = 2.0.6, BUILD = opencv-4.5.2-libjpeg-turbo
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-4.5.2-openjp2-2.4.0
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
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.VTK is not found. Please set -DVTK_DIR in CMake to VTK build directory, or to VTK install subdirectory with VTKConfig.cmake file
OpenCV Python: during development append to PYTHONPATH: G:/workspace/opencv-4.5.2/mingw4.9.2_32bit_build/python_loader
Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE) 
Module opencv_alphamat disabled because the following dependencies are not found: Eigen
freetype2:   NO
harfbuzz:    NO
Julia not found. Not compiling Julia Bindings. 
Module opencv_ovis disabled because OGRE3D was not found
No preference for use of exported gflags CMake configuration set, and no hints for include/library directories provided. Defaulting to preferring an installed/exported gflags CMake configuration if available.
Failed to find installed gflags CMake configuration, searching for gflags build directories exported with CMake.
Failed to find gflags - Failed to find an installed/exported CMake configuration for gflags, will perform search for installed gflags components.
Failed to find gflags - Could not find gflags include directory, set GFLAGS_INCLUDE_DIR to directory containing gflags/gflags.h
Failed to find glog - Could not find glog include directory, set GLOG_INCLUDE_DIR to directory containing glog/logging.h
Module opencv_sfm disabled because the following dependencies are not found: Eigen Glog/Gflags
Tesseract:   NO
Processing WORLD modules...module opencv_core...
Consider adding OPENCV_ALLOCATOR_STATS_COUNTER_TYPE=int/int64_t according to your build configurationmodule opencv_flann...module opencv_imgproc...module opencv_intensity_transform...module opencv_ml...module opencv_phase_unwrapping...module opencv_photo...module opencv_plot...module opencv_quality...module opencv_reg...module opencv_surface_matching...module opencv_xphoto...module opencv_dnn...
Registering hook 'INIT_MODULE_SOURCES_opencv_dnn': G:/workspace/opencv-4.5.2/modules/dnn/cmake/hooks/INIT_MODULE_SOURCES_opencv_dnn.cmake
opencv_dnn: filter out ocl4dnn source code
opencv_dnn: filter out cuda4dnn source codemodule opencv_dnn_superres...module opencv_features2d...module opencv_fuzzy...module opencv_hfs...module opencv_imgcodecs...module opencv_line_descriptor...module opencv_saliency...module opencv_text...module opencv_videoio...module opencv_calib3d...module opencv_datasets...module opencv_highgui...module opencv_mcc...module opencv_objdetect...module opencv_rapid...module opencv_rgbd...
rgbd: Eigen support is disabled. Eigen is Required for Posegraph optimizationmodule opencv_shape...module opencv_structured_light...module opencv_video...module opencv_videostab...module opencv_wechat_qrcode...module opencv_xfeatures2d...
xfeatures2d/boostdesc: Download: boostdesc_bgm.i
xfeatures2d/boostdesc: Download: boostdesc_bgm_bi.i
xfeatures2d/vgg: Download: vgg_generated_48.imodule opencv_ximgproc...module opencv_xobjdetect...module opencv_aruco...module opencv_bgsegm...module opencv_bioinspired...module opencv_ccalib...module opencv_dnn_objdetect...module opencv_dpm...module opencv_face...
data: Download: face_landmark_model.datmodule opencv_gapi...module opencv_optflow...module opencv_stitching...module opencv_superres...module opencv_tracking...module opencv_stereo...
Processing WORLD modules... DONE
Excluding from source files list: modules/imgproc/src/imgwarp.avx2.cpp
Excluding from source files list: modules/imgproc/src/resize.avx2.cpp
Excluding from source files list: <BUILD>/modules/world/layers/layers_common.avx2.cpp
Excluding from source files list: <BUILD>/modules/world/layers/layers_common.avx512_skx.cpp
Excluding from source files list: modules/features2d/src/fast.avx2.cpp
CMake Warning at cmake/OpenCVGenSetupVars.cmake:54 (message):CONFIGURATION IS NOT SUPPORTED: validate setupvars script in installdirectory
Call Stack (most recent call first):CMakeLists.txt:1010 (include)General configuration for OpenCV 4.5.2 =====================================Version control:               unknownExtra modules:Location (extra):            G:/workspace/opencv-4.5.2/opencv_contrib-4.x/modulesVersion control (extra):     unknownPlatform:Timestamp:                   2023-12-21T03:10:16ZHost:                        Windows 10.0.18363 AMD64CMake:                       3.24.2CMake generator:             MinGW MakefilesCMake build tool:            G:/QT/qt/Tools/MinGW_4.9.2/MinGW/bin/mingw32-make.exeConfiguration:               ReleaseCPU/HW features:Baseline:                    SSE SSE2requested:                 SSE2Dispatched code generation:  SSE4_1 SSE4_2 FP16 AVXrequested:                 SSE4_1 SSE4_2 AVX FP16SSE4_1 (15 files):         + SSE3 SSSE3 SSE4_1SSE4_2 (1 files):          + SSE3 SSSE3 SSE4_1 POPCNT SSE4_2FP16 (0 files):            + SSE3 SSSE3 SSE4_1 POPCNT SSE4_2 FP16 AVXAVX (4 files):             + SSE3 SSSE3 SSE4_1 POPCNT SSE4_2 AVXC/C++:Built as dynamic libs?:      YESC++ standard:                11C++ Compiler:                G:/QT/qt/Tools/MinGW_4.9.2/MinGW/bin/g++.exe  (ver 4.9.2)C++ flags (Release):         -fsigned-char -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 -Wsign-promo -Wuninitialized -Wno-delete-non-virtual-dtor -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -mfpmath=sse -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUGC++ flags (Debug):           -fsigned-char -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 -Wsign-promo -Wuninitialized -Wno-delete-non-virtual-dtor -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -mfpmath=sse -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUGC Compiler:                  G:/QT/qt/Tools/MinGW_4.9.2/MinGW/bin/gcc.exeC flags (Release):           -fsigned-char -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 -Wuninitialized -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -mfpmath=sse -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUGC flags (Debug):             -fsigned-char -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 -Wuninitialized -Wno-comment -Wno-missing-field-initializers -fdiagnostics-show-option -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -mfpmath=sse -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUGLinker flags (Release):      -Wl,--gc-sections  Linker flags (Debug):        -Wl,--gc-sections  ccache:                      NOPrecompiled headers:         NOExtra dependencies:3rdparty dependencies:OpenCV modules:To be built:                 aruco bgsegm bioinspired calib3d ccalib core datasets dnn dnn_objdetect dnn_superres dpm face features2d flann fuzzy gapi hfs highgui img_hash imgcodecs imgproc intensity_transform line_descriptor mcc ml objdetect optflow phase_unwrapping photo plot python3 quality rapid reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab wechat_qrcode world xfeatures2d ximgproc xobjdetect xphotoDisabled:                    -Disabled by dependency:      -Unavailable:                 alphamat cannops cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev cvv freetype hdf java julia matlab ovis python2 python2 sfm vizApplications:                appsDocumentation:               NONon-free algorithms:         NOWindows RT support:            NOGUI: Win32 UI:                    YESVTK support:                 NOMedia I/O: ZLib:                        build (ver 1.2.11)JPEG:                        build-libjpeg-turbo (ver 2.0.6-62)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:                         YESSUNRASTER:                   YESPXM:                         YESPFM:                         YESVideo I/O:DC1394:                      NOFFMPEG:                      YES (prebuilt binaries)avcodec:                   YES (58.91.100)avformat:                  YES (58.45.100)avutil:                    YES (56.51.100)swscale:                   YES (5.7.100)avresample:                YES (4.0.0)GStreamer:                   NODirectShow:                  NOParallel framework:            noneTrace:                         YES (built-in)Other third-party libraries:Lapack:                      NOEigen:                       NOCustom HAL:                  NOProtobuf:                    build (3.5.1)Python 3:Interpreter:                 F:/windows_wd/AI/python/py/python.exe (ver 3.6.7)Libraries:                   F:/windows_wd/AI/python/py/libs/libpython36.a (ver 3.6.7)numpy:                       F:/windows_wd/AI/python/py/lib/site-packages/numpy/core/include (ver 1.19.5)install path:                F:/windows_wd/AI/python/py/Lib/site-packages/cv2/python-3.6Python (for build):            F:/windows_wd/AI/python/py/python.exeJava:                          ant:                         NOJNI:                         G:/QT/jdk/include G:/QT/jdk/include/win32 G:/QT/jdk/includeJava wrappers:               NOJava tests:                  NOInstall to:                    G:/workspace/opencv-4.5.2/mingw4.9.2_32bit_build/install
-----------------------------------------------------------------Configuring done
Generating done

然后关闭cmake-gui！

四、开始编译

cmd或git-bash下进入G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build里，输入mingw32-make

1、ade出现下面的报错：

[  2%] Built target libopenjp2
[  2%] Built target opencv_videoio_plugins
[  2%] Building CXX object modules/CMakeFiles/ade.dir/__/3rdparty/ade/ade-0.1.1f/sources/ade/source/alloc.cpp.obj
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp: In function 'void* ade::aligned_alloc(std::size_t, std::size_t)':
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp:26:43: error: '_aligned_malloc' was not declared in this scopereturn _aligned_malloc(size, alignment);^
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp: In function 'void ade::aligned_free(void*)':
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp:40:29: error: '_aligned_free' was not declared in this scopereturn _aligned_free(ptr);^
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp:40:29: error: return-statement with a value, in function returning 'void' [-fpermissive]
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp: In function 'void* ade::aligned_alloc(std::size_t, std::size_t)':
G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build\3rdparty\ade\ade-0.1.1f\sources\ade\source\alloc.cpp:35:1: error: control reaches end of non-void function [-Werror=return-type]}^
cc1plus.exe: some warnings being treated as errors
modules\CMakeFiles\ade.dir\build.make:75: recipe for target 'modules/CMakeFiles/ade.dir/__/3rdparty/ade/ade-0.1.1f/sources/ade/source/alloc.cpp.obj' failed
mingw32-make[2]: *** [modules/CMakeFiles/ade.dir/__/3rdparty/ade/ade-0.1.1f/sources/ade/source/alloc.cpp.obj] Error 1
CMakeFiles\Makefile2:2472: recipe for target 'modules/CMakeFiles/ade.dir/all' failed
mingw32-make[1]: *** [modules/CMakeFiles/ade.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

解决办法：打开cmake-gui，这时默认就是我们之前勾选的界面，取消掉与ade有关的东西，最好不用的东西都取消掉。然后configure再generate，然后关闭cmake-gui。最后进入G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build 依旧输入mingw32-make

2，io_win32出现如下报错：

[  2%] Built target libopenjp2
[  2%] Built target opencv_videoio_plugins
[  3%] Building CXX object 3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/io_win32.cc.obj
G:\workspace\opencv-4.5.2\3rdparty\protobuf\src\google\protobuf\stubs\io_win32.cc: In function 'FILE* google::protobuf::internal::win32::fopen(const char*, const char*)':
G:\workspace\opencv-4.5.2\3rdparty\protobuf\src\google\protobuf\stubs\io_win32.cc:330:10: error: '::_wfopen' has not been declaredreturn ::_wfopen(wpath.c_str(), wmode.c_str());^
G:\workspace\opencv-4.5.2\3rdparty\protobuf\src\google\protobuf\stubs\io_win32.cc:334:1: error: control reaches end of non-void function [-Werror=return-type]}^
cc1plus.exe: some warnings being treated as errors
3rdparty\protobuf\CMakeFiles\libprotobuf.dir\build.make:285: recipe for target '3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/io_win32.cc.obj' failed
mingw32-make[2]: *** [3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/io_win32.cc.obj] Error 1
CMakeFiles\Makefile2:2375: recipe for target '3rdparty/protobuf/CMakeFiles/libprotobuf.dir/all' failed
mingw32-make[1]: *** [3rdparty/protobuf/CMakeFiles/libprotobuf.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

参考c++ - OpenCV : io_win32.cc : _wfopen has not been declared MinGW - Stack Overflow，我是修改G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build中的CMakeCache.txt，查找CMAKE_CXX_FLAGS，然後把CMAKE_CXX_FLAGS:STRING的值修改爲-U__STRICT_ANSI__
如下图：

然后直接重新mingw32-make

3，webp出现报错如下：

[ 14%] Building C object 3rdparty/libwebp/CMakeFiles/libwebp.dir/src/utils/thread_utils.c.obj
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c:29:9: error: unknown type name 'CONDITION_VARIABLE'typedef CONDITION_VARIABLE pthread_cond_t;^
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c: In function 'pthread_mutex_init':
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c:108:3: warning: implicit declaration of function 'InitializeCriticalSectionEx' [-Wimplicit-function-declaration]InitializeCriticalSectionEx(mutex, 0 /*dwSpinCount*/, 0 /*Flags*/);^
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c: In function 'pthread_cond_init':
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c:146:3: warning: implicit declaration of function 'InitializeConditionVariable' [-Wimplicit-function-declaration]InitializeConditionVariable(condition);^
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c: In function 'pthread_cond_signal':
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c:164:3: warning: implicit declaration of function 'WakeConditionVariable' [-Wimplicit-function-declaration]WakeConditionVariable(condition);^
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c: In function 'pthread_cond_wait':
G:\workspace\opencv-4.5.2\3rdparty\libwebp\src\utils\thread_utils.c:182:3: warning: implicit declaration of function 'SleepConditionVariableCS' [-Wimplicit-function-declaration]ok = SleepConditionVariableCS(condition, mutex, INFINITE);^
3rdparty\libwebp\CMakeFiles\libwebp.dir\build.make:1755: recipe for target '3rdparty/libwebp/CMakeFiles/libwebp.dir/src/utils/thread_utils.c.obj' failed
mingw32-make[2]: *** [3rdparty/libwebp/CMakeFiles/libwebp.dir/src/utils/thread_utils.c.obj] Error 1
CMakeFiles\Makefile2:2297: recipe for target '3rdparty/libwebp/CMakeFiles/libwebp.dir/all' failed
mingw32-make[1]: *** [3rdparty/libwebp/CMakeFiles/libwebp.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

打开cmake-gui，这是上次的默认界面，直接取消webp相关的东西，即取消 BUILD_WEBP WITH_WEBP，（然后configure再generate，然后关闭cmake-gui，最后进入G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build 依旧输入mingw32-make ，这一段话我后面不再赘述，记住反正每次编译报错时，来取消某些选项后，都得这样做）

4，fibersapi出现报错：

[ 26%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/core/src/mathfuncs_core.dispatch.cpp.obj
[ 26%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/core/src/matmul.dispatch.cpp.obj
[ 26%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/core/src/matrix.cpp.obj
In file included from G:/workspace/opencv-4.5.2/modules/core/include/opencv2/core.hpp:53:0,from G:/workspace/opencv-4.5.2/modules/core/include/opencv2/core/utility.hpp:56,from G:\workspace\opencv-4.5.2\modules\core\src\precomp.hpp:53,from G:\workspace\opencv-4.5.2\modules\core\src\matrix.cpp:5:
G:\workspace\opencv-4.5.2\modules\core\src\matrix.cpp: In function 'void cv::setSize(cv::Mat&, int, const int*, const size_t*, bool)':
G:\workspace\opencv-4.5.2\modules\core\src\matrix.cpp:259:126: warning: unknown conversion type character 'z' in format [-Wformat=]CV_Error_(Error::BadStep, ("Step %zu for dimension %d must be a multiple of esz1 %zu", _steps[i], i, esz1));^
G:/workspace/opencv-4.5.2/modules/core/include/opencv2/core/base.hpp:334:61: note: in definition of macro 'CV_Error_'#define CV_Error_( code, args ) cv::error( code, cv::format args, CV_Func, __FILE__, __LINE__ )^
G:\workspace\opencv-4.5.2\modules\core\src\matrix.cpp:259:126: warning: unknown conversion type character 'z' in format [-Wformat=]CV_Error_(Error::BadStep, ("Step %zu for dimension %d must be a multiple of esz1 %zu", _steps[i], i, esz1));^
G:/workspace/opencv-4.5.2/modules/core/include/opencv2/core/base.hpp:334:61: note: in definition of macro 'CV_Error_'#define CV_Error_( code, args ) cv::error( code, cv::format args, CV_Func, __FILE__, __LINE__ )^
G:\workspace\opencv-4.5.2\modules\core\src\matrix.cpp:259:126: warning: too many arguments for format [-Wformat-extra-args]CV_Error_(Error::BadStep, ("Step %zu for dimension %d must be a multiple of esz1 %zu", _steps[i], i, esz1));^
G:/workspace/opencv-4.5.2/modules/core/include/opencv2/core/base.hpp:334:61: note: in definition of macro 'CV_Error_'#define CV_Error_( code, args ) cv::error( code, cv::format args, CV_Func, __FILE__, __LINE__ )G:\workspace\opencv-4.5.2\modules\core\src\system.cpp:153:25: fatal error: fibersapi.h: No such file or directory#include <fibersapi.h>^
compilation terminated.
modules\world\CMakeFiles\opencv_world.dir\build.make:1388: recipe for target 'modules/world/CMakeFiles/opencv_world.dir/__/core/src/system.cpp.obj' failed
mingw32-make[2]: *** [modules/world/CMakeFiles/opencv_world.dir/__/core/src/system.cpp.obj] Error 1
CMakeFiles\Makefile2:2361: recipe for target 'modules/world/CMakeFiles/opencv_world.dir/all' failed
mingw32-make[1]: *** [modules/world/CMakeFiles/opencv_world.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

在我的opencv-4.5.2下的cmakelist.txt中第153行即

#if ((_WIN32_WINNT >= 0x0600) && !defined(CV_DISABLE_FLS)) || defined(CV_FORCE_FLS)#include <fibersapi.h>#define CV_USE_FLS

在这三行的上面加上：

//add here
#define CV_DISABLE_FLS

即不让它进去，就不会报错了。然后重新打开cmake-gui进行configure和generate ，再关闭cmake-gui，接着继续mingw32-make

5，xphoto报错如下：

[ 32%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/xphoto/src/bm3d_image_denoising.cpp.obj
[ 32%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/xphoto/src/dct_image_denoising.cpp.obj
[ 32%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/xphoto/src/grayworld_white_balance.cpp.obj
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp: In function 'void cv::xphoto::calculateChannelSums(uint&, uint&, uint&, uchar*, int, float)':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:133:58: error: 'v_sub' was not declared in this scopev_m1 = v_not(v_gt(v_mul_wrap(v_sub(v_max1, v_min1), v_255), v_mul_wrap(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:133:97: error: 'v_gt' was not declared in this scopev_m1 = v_not(v_gt(v_mul_wrap(v_sub(v_max1, v_min1), v_255), v_mul_wrap(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:133:98: error: 'v_not' was not declared in this scopev_m1 = v_not(v_gt(v_mul_wrap(v_sub(v_max1, v_min1), v_255), v_mul_wrap(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:137:40: error: 'v_and' was not declared in this scopev_iB1 = v_add(v_and(v_iB1, v_m1), v_and(v_iB2, v_m2));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:137:61: error: 'v_add' was not declared in this scopev_iB1 = v_add(v_and(v_iB1, v_m1), v_and(v_iB2, v_m2));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp: In function 'void cv::xphoto::calculateChannelSums(uint64&, uint64&, uint64&, ushort*, int, float)':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:200:53: error: 'v_sub' was not declared in this scopev_m1 = v_not(v_gt(v_mul(v_sub(v_max1, v_min1), v_65535), v_mul(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:200:63: error: 'v_mul' was not declared in this scopev_m1 = v_not(v_gt(v_mul(v_sub(v_max1, v_min1), v_65535), v_mul(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:200:89: error: 'v_gt' was not declared in this scopev_m1 = v_not(v_gt(v_mul(v_sub(v_max1, v_min1), v_65535), v_mul(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:200:90: error: 'v_not' was not declared in this scopev_m1 = v_not(v_gt(v_mul(v_sub(v_max1, v_min1), v_65535), v_mul(v_thresh, v_max1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:204:40: error: 'v_and' was not declared in this scopev_iB1 = v_add(v_and(v_iB1, v_m1), v_and(v_iB2, v_m2));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:204:61: error: 'v_add' was not declared in this scopev_iB1 = v_add(v_and(v_iB1, v_m1), v_and(v_iB2, v_m2));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp: In function 'void cv::xphoto::applyChannelGains(cv::InputArray, cv::OutputArray, float, float, float)':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\xphoto\src\grayworld_white_balance.cpp:285:56: error: no matching function for call to 'v_shr(cv::hal_baseline::v_uint16x8, int)'v_sB1 = v_shr(v_mul_wrap(v_sB1, v_gainB), 8);

取消BUILD_opencv_xphoto 然后重新打开cmake-gui进行configure和generate，接着依旧mingw32-make

6，rgbd报错

[ 65%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/rapid/src/histogram.cpp.obj
[ 65%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/rapid/src/rapid.cpp.obj
[ 65%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/rgbd/src/colored_kinfu.cpp.obj
In file included from G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\kinfu_frame.hpp:11:0,from G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\fast_icp.hpp:11,from G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\colored_kinfu.cpp:8:
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\utils.hpp: In function 'bool cv::kinfu::isNaN(const cv::hal_baseline::v_float32x4&)':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\utils.hpp:71:37: error: 'v_ne' was not declared in this scopereturn cv::v_check_any(v_ne(p, p));^
In file included from G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\hash_tsdf.hpp:12:0,from G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\colored_kinfu.cpp:10:
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\tsdf_functions.hpp: In function 'cv::hal_baseline::v_float32x4 cv::kinfu::tsdfToFloat_INTR(const cv::hal_baseline::v_int32x4&)':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\rgbd\src\tsdf_functions.hpp:23:40: error: 'v_mul' was not declared in this scopereturn v_mul(v_cvt_f32(num), num128);^
modules\world\CMakeFiles\opencv_world.dir\build.make:7568: recipe for target 'modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/rgbd/src/colored_kinfu.cpp.obj' failed
mingw32-make[2]: *** [modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/rgbd/src/colored_kinfu.cpp.obj] Error 1
CMakeFiles\Makefile2:2361: recipe for target 'modules/world/CMakeFiles/opencv_world.dir/all' failed
mingw32-make[1]: *** [modules/world/CMakeFiles/opencv_world.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

取消BUILD_opencv_rgbd，然后执行那句不想赘述的话。

7，ximgproc报错

[ 78%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/xfeatures2d/src/vgg.cpp.obj
[ 78%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/xfeatures2d/src/xfeatures2d_init.cpp.obj
[ 78%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/opencl_kernels_xfeatures2d.cpp.obj
[ 78%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/ximgproc/src/adaptive_manifold_filter_n.cpp.obj
[ 78%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/ximgproc/src/anisodiff.cpp.obj
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp: In function 'cv::hal_baseline::v_uint8x16 cv::ximgproc::v_finalize_pix_ch(const cv::hal_baseline::v_int16x8&, const cv::hal_baseline::v_int16x8&, const cv::hal_baseline::v_float32x4&, const cv::hal_baseline::v_float32x4&, const cv::hal_baseline::v_float32x4&, const cv::hal_baseline::v_float32x4&, const cv::hal_baseline::v_float32x4&)':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:77:56: error: 'v_mul' was not declared in this scopev_int16x8 d0 = v_pack(v_round(v_add(v_mul(s0, alpha), f0)), v_round(v_add(v_mul(s1, alpha), f1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:77:61: error: 'v_add' was not declared in this scopev_int16x8 d0 = v_pack(v_round(v_add(v_mul(s0, alpha), f0)), v_round(v_add(v_mul(s1, alpha), f1)));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp: In member function 'virtual void cv::ximgproc::ADBody::operator()(const cv::Range&) const':
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:138:51: error: 'v_sub' was not declared in this scopev_int16x8 d00 = v_sub(p00, c00), d01 = v_sub(p01, c01);^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:142:71: error: 'v_add' was not declared in this scopev_uint16x8 n0 = v_add(v_add(v_abs(d00), v_abs(d10)), v_abs(d20));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:142:84: error: 'v_add' was not declared in this scopev_uint16x8 n0 = v_add(v_add(v_abs(d00), v_abs(d10)), v_abs(d20));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:142:84: error: redeclaration of '<typeprefixerror>v_add'
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:142:71: note: previous declaration '<typeprefixerror>v_add'v_uint16x8 n0 = v_add(v_add(v_abs(d00), v_abs(d10)), v_abs(d20));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:143:55: error: 'd01' was not declared in this scopev_uint16x8 n1 = v_add(v_add(v_abs(d01), v_abs(d11)), v_abs(d21));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:143:67: error: 'd11' was not declared in this scopev_uint16x8 n1 = v_add(v_add(v_abs(d01), v_abs(d11)), v_abs(d21));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:143:80: error: 'd21' was not declared in this scopev_uint16x8 n1 = v_add(v_add(v_abs(d01), v_abs(d11)), v_abs(d21));^
G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\ximgproc\src\anisodiff.cpp:156:51: error: 'v_mul' was not declared in this scopes00 = v_add(s00, v_mul(fd0, w0)); s01 = v_add(s01, v_mul(fd1, w1)); s02 = v_add(s02, v_mul(fd2, w2)); s03 = v_add(s03, v_mul(fd3, w3));^
modules\world\CMakeFiles\opencv_world.dir\build.make:9509: recipe for target 'modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/ximgproc/src/anisodiff.cpp.obj' failed
mingw32-make[2]: *** [modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/ximgproc/src/anisodiff.cpp.obj] Error 1
CMakeFiles\Makefile2:2361: recipe for target 'modules/world/CMakeFiles/opencv_world.dir/all' failed
mingw32-make[1]: *** [modules/world/CMakeFiles/opencv_world.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

取消BUILD_opencv_ximgproc，然后依旧执行那句不想赘述的话

8，aruco报错

[ 82%] Building CXX object modules/world/CMakeFiles/opencv_world.dir/__/__/opencv_contrib-4.x/modules/aruco/src/aruco.cpp.obj
In file included from G:\workspace\opencv-4.5.2\opencv_contrib-4.x\modules\aruco\src\aruco.cpp:6:0:
G:/workspace/opencv-4.5.2/opencv_contrib-4.x/modules/aruco/include/opencv2/aruco.hpp:7:48: fatal error: opencv2/objdetect/aruco_detector.hpp: No such file or directory#include "opencv2/objdetect/aruco_detector.hpp"^
compilation terminated.

取消BUILD_opencv_aruco ，执行那句话

9，python_bindings报错

[ 98%] Built target gen_opencv_python_source
[ 98%] Building CXX object modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.obj
In file included from G:\workspace\opencv-4.5.2\modules\python\src2\cv2.cpp:41:0:
G:/workspace/opencv-4.5.2/mingw4.9.2_32bit_build/modules/python_bindings_generator/pyopencv_generated_include.h:48:51: fatal error: opencv2/xphoto/bm3d_image_denoising.hpp: No such file or directory#include "opencv2/xphoto/bm3d_image_denoising.hpp"^
compilation terminated.
modules\python3\CMakeFiles\opencv_python3.dir\build.make:75: recipe for target 'modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.obj' failed
mingw32-make[2]: *** [modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.obj] Error 1
CMakeFiles\Makefile2:2572: recipe for target 'modules/python3/CMakeFiles/opencv_python3.dir/all' failed
mingw32-make[1]: *** [modules/python3/CMakeFiles/opencv_python3.dir/all] Error 2
Makefile:164: recipe for target 'all' failed
mingw32-make: *** [all] Error 2

取消BUILD_python_bindings_generator，依旧执行那句话。

这次终于不再报错，顺利编译完毕，如下图所示：

然后mingw32-make install也很顺利：

在G:\workspace\opencv-4.5.2\mingw4.9.2_32bit_build下生成了install文件夹，直接拷贝出去就可以使用这个第三方库了。

五、应用问题

我发现install下的库竟然是x64，不应该是x86吗？仪器32bit的库都是x86的命名，然后我抱着将信将疑的态度试了下这个新的库，发现无论我用ming32位或ming64位工程中都会报错！

我又试着用cmd重新mingw32-make以及mingw32-make install，依旧有问题。

然后我又试了windows powershell，还是一样有问题。

经过反思，发现问题出在我的编译器上，如下图我的git-bash打开默认是MING64，所以我cmake时是用的mingw32的gcc，但mingw32-make以及ming32-make install时实际使用的是mingw64！！！不伦不类，所以编译出来的库应用时会报错：

所以我实际应该在MINGW32的这个命名行下进行编译。于是我重新卸载了我的git，重新Downloading Git for Windows 2.37.3 (32-bit) from FileHorse.com安装git-32bit，默认方式安装即可。然后重新mingw32-make以及mingw32-make install