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2019-04-08 05:43:12 -0600	received badge	● Famous Question (source)
2016-04-03 14:31:45 -0600	received badge	● Notable Question (source)
2015-12-07 22:58:25 -0600	received badge	● Popular Question (source)
2015-06-16 02:25:23 -0600	commented question	Problems Building/Compiling OpenCV 3.0 I found these instructions that helped me out: OpenCV 3.0 videoio error So I got to [100%] and ran `mingw32-make.exe install` everything seems golden. I will try an example tomorrow.
2015-06-16 01:00:58 -0600	commented question	Problems Building/Compiling OpenCV 3.0 CMakeFiles\Makefile2:4668: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/all' failed mingw32-make.exe[1]: * [modules/videoio/CMakeFiles/opencv_videoio.dir/all] Error 2 Makefile:148: recipe for target 'all' failed mingw32-make.exe: * [all] Error 2 At this rate, I'll have OpenCV installed and ready to go by Christmas. What to do from here? Is there another straight forward way that I am not seeing? Thanks again.
2015-06-16 00:55:14 -0600	commented question	Problems Building/Compiling OpenCV 3.0 So now that I run `mingw32-make.exe` as you suggested, I get all the way to [38%]. and I get the following: [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dshow.cpp.obj C:\opencv\sources\modules\videoio\src\cap_dshow.cpp:122:11: error: 'struct IEnumPIDMap' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] interface IEnumPIDMap : public IUnknown ^ C:\opencv\sources\modules\videoio\src\cap_dshow.cpp:139:11: error: 'struct IMPEG2PIDMap' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] interface IMPEG2PIDMap : public IUnknown ^
2015-06-16 00:52:08 -0600	commented question	Problems Building/Compiling OpenCV 3.0 Sorry for the late reply, but I haven't had time to try this out. At first I didn't understand where I was supposed to specify the files as you suggested. The command console I suppose. I guess I forgot to mention I am using the CMake gui as well. I installed the new version now, 3.3. So what I did was when I clicked 'Configure' for the first time, I chose 'CodeBlocks - MinGW Make Files' from the drop down. Next I clicked the 'Specify Native Compilers' radio button then hit 'Next'. There I chose the MinGW compilers for C/C++ and left the Fortran compiler blank. There was no where to specify the Make program. Clicking 'Finish' started the configuring with no errors. (I also renamed sh.exe to shXXX.exe so it would stop giving me that error 22).
2015-06-11 01:14:25 -0600	asked a question	Problems Building/Compiling OpenCV 3.0 Hello all, I downloaded OpenCV to my laptop earlier today in hopes of using it. I previously had v2.4.8 on my desktop and the whole 'no more prebuilt binaries for MinGW' has been causing me grief all day. The whole problem seems to be CMake. I cannot get it to build/generate the binaries properly. I tried following the instructions from this blog: OpenCV Install on Windows With Code::Blocks and minGW The whole process falls apart at the CMake section. So I use the CMakeLists.txt in the opencv\sources since there is none in the opencv folder. I first get these errors: CMake Error at C:/Program Files (x86)/CMake 2.8/share/cmake-2.8/Modules/CMakeMinGWFindMake.cmake:22 (message): sh.exe was found in your PATH, here: C:/MinGW/msys/1.0/bin/sh.exe For MinGW make to work correctly sh.exe must NOT be in your path. Run cmake from a shell that does not have sh.exe in your PATH. If you want to use a UNIX shell, then use MSYS Makefiles. Call Stack (most recent call first): CMakeLists.txt:88 (project) CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly. Missing variable is: CMAKE_CXX_COMPILER_ENV_VAR CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly. Missing variable is: CMAKE_CXX_COMPILER CMake Error: Could not find cmake module file: C:/opencv/build_mingw/CMakeFiles/2.8.12.2/CMakeCXXCompiler.cmake CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly. Missing variable is: CMAKE_C_COMPILER_ENV_VAR CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly. Missing variable is: CMAKE_C_COMPILER CMake Error: Could not find cmake module file: C:/opencv/build_mingw/CMakeFiles/2.8.12.2/CMakeCCompiler.cmake CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage Configuring incomplete, errors occurred! So I click configure and generate anyways, then cd into the build folder and run `mingw32-make` and the build process fails at [34%] with the following: C:\opencv\sources\modules\core\src\system.cpp: In function 'BOOL cv::DllMain(HINSTANCE, DWORD, LPVOID)': C:\opencv\sources\modules\core\src\system.cpp:1013:13: warning: no previous declaration for 'BOOL cv::DllMain(HINSTANCE, DWORD, LPVOID)' [-Wmissing-declarations] BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved) ^ [ 34%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/tables.cpp.obj [ 34%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/types.cpp.obj [ 34%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/umatrix.cpp.obj [ 34%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/opencl_kernels_core.cpp.obj Linking CXX shared library ..\..\bin\libopencv_core300.dll c:/mingw/bin/../lib/gcc/mingw32/4.8.1/../../../../mingw32/bin/ld.exe: cannot find -lRunTmChk collect2.exe: error: ld returned 1 exit status modules\core\CMakeFiles\opencv_core.dir\build.make:1236: recipe for target 'bin/libopencv_core300.dll' failed mingw32-make[2]: *** [bin/libopencv_core300.dll] Error 1 ... (more)