Could you please advice. My build is successful except error below, looks like OpenCL library is missing, right?
3>Link:
3> Creating library C:/Users/nikolay/Downloads/opencv/mybuild/lib/Release/opencv_ocl245.lib and object C:/Users/nikolay/Downloads/opencv/mybuild/lib/Release/opencv_ocl245.exp
3>matrix_operations.obj : error LNK2001: unresolved external symbol _clReleaseMemObject@4
3>mcwutil.obj : error LNK2001: unresolved external symbol _clReleaseMemObject@4
3>arithm.obj : error LNK2019: unresolved external symbol _clReleaseMemObject@4 referenced in function "int __cdecl cv::ocl::countNonZero(class cv::ocl::oclMat const &)" (?countNonZero@ocl@cv@@YAHABVoclMat@12@@Z)
3>haar.obj : error LNK2001: unresolved external symbol _clReleaseMemObject@4
3>imgproc.obj : error LNK2001: unresolved external symbol _clReleaseMemObject@4
3>initialization.obj : error LNK2001: unresolved external symbol _clReleaseMemObject@4
3>mcwutil.obj : error LNK2001: unresolved external symbol _clCreateBuffer@24
3>canny.obj : error LNK2019: unresolved external symbol _clCreateBuffer@24 referenced in function "public: void __thiscall cv::ocl::CannyBuf::create(class cv::Size_<int> const &,int)" (?create@CannyBuf@ocl@cv@@QAEXABV?$Size_@H@3@H@Z)
3>imgproc.obj : error LNK2001: unresolved external symbol _clCreateBuffer@24
3>initialization.obj : error LNK2001: unresolved external symbol _clCreateBuffer@24
3>matrix_operations.obj : error LNK2001: unresolved external symbol _clCreateBuffer@24
3>canny.obj : error LNK2019: unresolved external symbol _clEnqueueWriteBuffer@36 referenced in function "void __cdecl cv::ocl::canny::edgesHysteresisGlobal_gpu(class cv::ocl::oclMat &,class cv::ocl::oclMat &,class cv::ocl::oclMat &,void *,int,int)" (?edgesHysteresisGlobal_gpu@canny@ocl@cv@@YAXAAVoclMat@23@00PAXHH@Z)
3>haar.obj : error LNK2001: unresolved external symbol _clEnqueueWriteBuffer@36
3>imgproc.obj : error LNK2001: unresolved external symbol _clEnqueueWriteBuffer@36
3>initialization.obj : error LNK2001: unresolved external symbol _clEnqueueWriteBuffer@36
3>canny.obj : error LNK2019: unresolved external symbol _clEnqueueReadBuffer@36 referenced in function "void __cdecl cv::ocl::canny::edgesHysteresisGlobal_gpu(class cv::ocl::oclMat &,class cv::ocl::oclMat &,class cv::ocl::oclMat &,void *,int,int)" (?edgesHysteresisGlobal_gpu@canny@ocl@cv@@YAXAAVoclMat@23@00PAXHH@Z)
3>initialization.obj : error LNK2001: unresolved external symbol _clEnqueueReadBuffer@36
3>haar.obj : error LNK2019: unresolved external symbol _clEnqueueUnmapMemObject@24 referenced in function "public: struct CvSeq * __thiscall cv::ocl::OclCascadeClassifier::oclHaarDetectObjects(class cv::ocl::oclMat &,struct CvMemStorage *,double,int,int,struct CvSize,struct CvSize)" (?oclHaarDetectObjects@OclCascadeClassifier@ocl@cv@@QAEPAUCvSeq@@AAVoclMat@23@PAUCvMemStorage@@NHHUCvSize@@2@Z)
3>haar.obj : error LNK2019: unresolved external symbol _clEnqueueMapBuffer@44 referenced in function "public: struct CvSeq * __thiscall cv::ocl::OclCascadeClassifier::oclHaarDetectObjects(class cv::ocl::oclMat &,struct CvMemStorage *,double,int,int,struct CvSize,struct CvSize)" (?oclHaarDetectObjects@OclCascadeClassifier@ocl@cv@@QAEPAUCvSeq@@AAVoclMat@23@PAUCvMemStorage@@NHHUCvSize@@2@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clReleaseContext@4 referenced in function "private: void __thiscall cv::ocl::Info::Impl::releaseResources(void)" (?releaseResources@Impl@Info@ocl@cv@@AAEXXZ)
3>initialization.obj : error LNK2019: unresolved external symbol _clReleaseCommandQueue@4 referenced in function "private: void __thiscall cv::ocl::Info::Impl::releaseResources(void)" (?releaseResources@Impl@Info@ocl@cv@@AAEXXZ)
3>initialization.obj : error LNK2019: unresolved external symbol _clEnqueueReadBufferRect@56 referenced in function "void __cdecl cv::ocl::openCLMemcpy2D(class cv::ocl::Context *,void *,unsigned int,void const *,unsigned int,unsigned int,unsigned int,enum cv::ocl::openCLMemcpyKind,int)" (?openCLMemcpy2D@ocl@cv@@YAXPAVContext@12@PAXIPBXIIIW4openCLMemcpyKind@12@H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clEnqueueWriteBufferRect@56 referenced in function "void __cdecl cv::ocl::openCLMemcpy2D(class cv::ocl::Context *,void *,unsigned int,void const *,unsigned int,unsigned int,unsigned int,enum cv::ocl::openCLMemcpyKind,int)" (?openCLMemcpy2D@ocl@cv@@YAXPAVContext@12@PAXIPBXIIIW4openCLMemcpyKind@12@H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clEnqueueCopyBufferRect@52 referenced in function "void __cdecl cv::ocl::openCLCopyBuffer2D(class cv::ocl::Context *,void *,unsigned int,int,void const *,unsigned int,unsigned int,unsigned int,int)" (?openCLCopyBuffer2D@ocl@cv@@YAXPAVContext@12@PAXIHPBXIIIH@Z)
3>mcwutil.obj : error LNK2001: unresolved external symbol _clEnqueueCopyBufferRect@52
3>initialization.obj : error LNK2019: unresolved external symbol _clGetDeviceInfo@20 referenced in function "public: void __thiscall cv::ocl::Info::Impl::setDevice(void *,void *,int)" (?setDevice@Impl@Info@ocl@cv@@QAEXPAX0H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clCreateCommandQueue@20 referenced in function "public: void __thiscall cv::ocl::Info::Impl::setDevice(void *,void *,int)" (?setDevice@Impl@Info@ocl@cv@@QAEXPAX0H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clCreateContext@24 referenced in function "public: void __thiscall cv::ocl::Info::Impl::setDevice(void *,void *,int)" (?setDevice@Impl@Info@ocl@cv@@QAEXPAX0H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clRetainCommandQueue@4 referenced in function "public: void __thiscall cv::ocl::Info::Impl::setDevice(void *,void *,int)" (?setDevice@Impl@Info@ocl@cv@@QAEXPAX0H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clRetainContext@4 referenced in function "public: void __thiscall cv::ocl::Info::Impl::setDevice(void *,void *,int)" (?setDevice@Impl@Info@ocl@cv@@QAEXPAX0H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clGetProgramInfo@20 referenced in function "int __cdecl cv::ocl::savetofile(class cv::ocl::Context const *,struct _cl_program * &,char const *)" (?savetofile@ocl@cv@@YAHPBVContext@12@AAPAU_cl_program@@PBD@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clGetKernelWorkGroupInfo@24 referenced in function "void __cdecl cv::ocl::openCLVerifyKernel(class cv::ocl::Context const *,struct _cl_kernel *,unsigned int *)" (?openCLVerifyKernel@ocl@cv@@YAXPBVContext@12@PAU_cl_kernel@@PAI@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clReleaseProgram@4 referenced in function "public: void __thiscall cv::ocl::ProgramCache::releaseProgram(void)" (?releaseProgram@ProgramCache@ocl@cv@@QAEXXZ)
3>initialization.obj : error LNK2019: unresolved external symbol _clCreateKernel@12 referenced in function "struct _cl_kernel * __cdecl cv::ocl::openCLGetKernelFromSource(class cv::ocl::Context const *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char const *)" (?openCLGetKernelFromSource@ocl@cv@@YAPAU_cl_kernel@@PBVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clGetProgramBuildInfo@24 referenced in function "struct _cl_kernel * __cdecl cv::ocl::openCLGetKernelFromSource(class cv::ocl::Context const *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char const *)" (?openCLGetKernelFromSource@ocl@cv@@YAPAU_cl_kernel@@PBVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clCreateProgramWithSource@20 referenced in function "struct _cl_kernel * __cdecl cv::ocl::openCLGetKernelFromSource(class cv::ocl::Context const *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char const *)" (?openCLGetKernelFromSource@ocl@cv@@YAPAU_cl_kernel@@PBVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clBuildProgram@24 referenced in function "struct _cl_kernel * __cdecl cv::ocl::openCLGetKernelFromSource(class cv::ocl::Context const *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char const *)" (?openCLGetKernelFromSource@ocl@cv@@YAPAU_cl_kernel@@PBVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clCreateProgramWithBinary@28 referenced in function "struct _cl_kernel * __cdecl cv::ocl::openCLGetKernelFromSource(class cv::ocl::Context const *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char const *)" (?openCLGetKernelFromSource@ocl@cv@@YAPAU_cl_kernel@@PBVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clReleaseKernel@4 referenced in function "void __cdecl cv::ocl::openCLExecuteKernel_(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *)" (?openCLExecuteKernel_@ocl@cv@@YAXPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD@Z)
3>mcwutil.obj : error LNK2001: unresolved external symbol _clReleaseKernel@4
3>stereobm.obj : error LNK2001: unresolved external symbol _clReleaseKernel@4
3>initialization.obj : error LNK2019: unresolved external symbol _clFlush@4 referenced in function "void __cdecl cv::ocl::openCLExecuteKernel_(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *)" (?openCLExecuteKernel_@ocl@cv@@YAXPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD@Z)
3>mcwutil.obj : error LNK2001: unresolved external symbol _clFlush@4
3>initialization.obj : error LNK2019: unresolved external symbol _clEnqueueNDRangeKernel@36 referenced in function "void __cdecl cv::ocl::openCLExecuteKernel_(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *)" (?openCLExecuteKernel_@ocl@cv@@YAXPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD@Z)
3>mcwutil.obj : error LNK2001: unresolved external symbol _clEnqueueNDRangeKernel@36
3>stereobm.obj : error LNK2001: unresolved external symbol _clEnqueueNDRangeKernel@36
3>initialization.obj : error LNK2019: unresolved external symbol _clSetKernelArg@16 referenced in function "void __cdecl cv::ocl::openCLExecuteKernel_(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *)" (?openCLExecuteKernel_@ocl@cv@@YAXPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD@Z)
3>mcwutil.obj : error LNK2001: unresolved external symbol _clSetKernelArg@16
3>stereobm.obj : error LNK2001: unresolved external symbol _clSetKernelArg@16
3>initialization.obj : error LNK2019: unresolved external symbol _clFinish@4 referenced in function "double __cdecl cv::ocl::openCLExecuteKernelInterop(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *,bool,bool,bool)" (?openCLExecuteKernelInterop@ocl@cv@@YANPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD_N66@Z)
3>mcwutil.obj : error LNK2001: unresolved external symbol _clFinish@4
3>pyrlk.obj : error LNK2001: unresolved external symbol _clFinish@4
3>stereobm.obj : error LNK2001: unresolved external symbol _clFinish@4
3>initialization.obj : error LNK2019: unresolved external symbol _clReleaseEvent@4 referenced in function "double __cdecl cv::ocl::openCLExecuteKernelInterop(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *,bool,bool,bool)" (?openCLExecuteKernelInterop@ocl@cv@@YANPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD_N66@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clGetEventProfilingInfo@20 referenced in function "double __cdecl cv::ocl::openCLExecuteKernelInterop(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *,bool,bool,bool)" (?openCLExecuteKernelInterop@ocl@cv@@YANPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD_N66@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clWaitForEvents@8 referenced in function "double __cdecl cv::ocl::openCLExecuteKernelInterop(class cv::ocl::Context *,char const * *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,unsigned int * const,unsigned int * const,class std::vector<struct std::pair<unsigned int,void const *>,class std::allocator<struct std::pair<unsigned int,void const *> > > &,int,int,char const *,bool,bool,bool)" (?openCLExecuteKernelInterop@ocl@cv@@YANPAVContext@12@PAPBDV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAI3AAV?$vector@U?$pair@IPBX@std@@V?$allocator@U?$pair@IPBX@std@@@2@@5@HHPBD_N66@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clGetDeviceIDs@24 referenced in function "int __cdecl cv::ocl::getDevice(class std::vector<class cv::ocl::Info,class std::allocator<class cv::ocl::Info> > &,int)" (?getDevice@ocl@cv@@YAHAAV?$vector@VInfo@ocl@cv@@V?$allocator@VInfo@ocl@cv@@@std@@@std@@H@Z)
3>initialization.obj : error LNK2019: unresolved external symbol _clGetPlatformIDs@12 referenced in function "int __cdecl cv::ocl::getDevice(class std::vector<class cv::ocl::Info,class std::allocator<class cv::ocl::Info> > &,int)" (?getDevice@ocl@cv@@YAHAAV?$vector@VInfo@ocl@cv@@V?$allocator@VInfo@ocl@cv@@@std@@@std@@H@Z)
3>mcwutil.obj : error LNK2019: unresolved external symbol _clEnqueueCopyBufferToImage@36 referenced in function "struct _cl_mem * __cdecl cv::ocl::bindTexture(class cv::ocl::oclMat const &)" (?bindTexture@ocl@cv@@YAPAU_cl_mem@@ABVoclMat@12@@Z)
3>mcwutil.obj : error LNK2019: unresolved external symbol _clCreateImage2D@36 referenced in function "struct _cl_mem * __cdecl cv::ocl::bindTexture(class cv::ocl::oclMat const &)" (?bindTexture@ocl@cv@@YAPAU_cl_mem@@ABVoclMat@12@@Z)
3>C:\Users\nikolay\Downloads\opencv\mybuild\bin\Release\opencv_ocl245.dll : fatal error LNK1120: 36 unresolved externals
3>
3>Build FAILED.