程序和版本:Windows 10,带有gcc 6.1.0的Mingw32,Cmake 3.6.1,(代码:: blocks 16.01)
首先,我要提到的是,构建静态构建确实可以很好地工作,仅构建共享构建是行不通的,对于我的特定问题,我也找不到解决方法。
我尝试使用上述程序作为共享版本来构建OpenCV3.1。使用cmake的默认设置,出现以下错误:
[ 34%] Linking CXX executable ..\..\bin\opencv_test_core.exe
../../lib/libopencv_ts310.a(ts.cpp.obj):ts.cpp:(.text$_ZN6cvtest2TS4initERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x119): undefined reference to `cv::redirectError(int (*)(int, char const*, char const*, char const*, int, void*), void*, void**)'
collect2.exe: error: ld returned 1 exit status
modules\core\CMakeFiles\opencv_test_core.dir\build.make:885: recipe for target 'bin/opencv_test_core.exe' failed
mingw32-make[2]: *** [bin/opencv_test_core.exe] Error 1
CMakeFiles\Makefile2:1713: recipe for target 'modules/core/CMakeFiles/opencv_test_core.dir/all' failed
mingw32-make[1]: *** [modules/core/CMakeFiles/opencv_test_core.dir/all] Error 2
Makefile:159: recipe for target 'all' failed
mingw32-make: *** [all] Error 2
在我的情况下,默认设置(其中包括):BUILD_TBB =关闭,BUILD_WITH_DYNAMIC_IPP =关闭,BUILD_opencv_world =关闭,ENALBE_OMIT_FRAME_POINTER =开启,ENABLE_SSE / SSE2 / SSE3 =开启,WITH_IPP和WITH_IPP_A =关闭(这似乎是一个问题在某些情况下被激活)。
现在的问题是:该错误是什么意思以及如何解决?
显然缺少某些功能:undefined reference to `cv::redirectError(int (*)(int, char const*, char const*, char const*, int, void*), void*, void**)
。搜索源代码会在下面给出此函数的一些定义
system.cpp
:线662: redirectError( CvErrorCallback errCallback, void* userdata, void** prevUserdata)
utility.hpp
:第174行: CV_EXPORTS ErrorCallback redirectError( ErrorCallback errCallback, void* userdata=0, void** prevUserdata=0);
但是未定义的引用需要一些int char指针作为参数,但是我在任何源文件中都找不到这样的函数。
当停用BUILD_EXAMPLES / PERF_TESTS / TESTS时(如在其他地方建议的那样),这不能解决问题,但稍后会出现相同的问题:
[ 95%] Linking CXX shared library ..\..\bin\libopencv_calib3d310.dll
CMakeFiles\opencv_calib3d.dir/objects.a(calibinit.cpp.obj):calibinit.cpp:(.text$_ZN2cv15findCirclesGridERKNS_11_InputArrayENS_5Size_IiEERKNS_12_OutputArrayEiRKNS_3PtrINS_9Feature2DEEE+0x426): undefined reference to `cv::redirectError(int (*)(int, char const*, char const*, char const*, int, void*), void*, void**)'
CMakeFiles\opencv_calib3d.dir/objects.a(calibinit.cpp.obj):calibinit.cpp:(.text$_ZN2cv15findCirclesGridERKNS_11_InputArrayENS_5Size_IiEERKNS_12_OutputArrayEiRKNS_3PtrINS_9Feature2DEEE+0x44d): undefined reference to `cv::redirectError(int (*)(int, char const*, char const*, char const*, int, void*), void*, void**)'
collect2.exe: error: ld returned 1 exit status
modules\calib3d\CMakeFiles\opencv_calib3d.dir\build.make:787: recipe for target 'bin/libopencv_calib3d310.dll' failed
mingw32-make[2]: *** [bin/libopencv_calib3d310.dll] Error 1
CMakeFiles\Makefile2:3634: recipe for target 'modules/calib3d/CMakeFiles/opencv_calib3d.dir/all' failed
mingw32-make[1]: *** [modules/calib3d/CMakeFiles/opencv_calib3d.dir/all] Error 2
Makefile:159: recipe for target 'all' failed
mingw32-make: *** [all] Error 2
我没有找到任何错误报告或其他有关此错误的信息。
有同样的问题。我已经更换解决了它cv::redirectError
与cvRedirectError
在ts.cpp像从前那样这个补丁
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