Pthread.h no such file or directory

I am having trouble in installing OpenCV for Python 3. How to add non-free modules to OpenCV 3. OpenCv 3 cmake raises ImportError for numpy even I give the correct path of numpy? Building OpenCV 3. Trouble to compile opencv 3. First time here? Check out the FAQ! Hi there! Please sign in help. VS usually does not come with pthreads they got their own concurrency also the sourceware link won't work, it's needed for arm64 cross compiling which VS version is it?

Question Tools Follow. Copyright OpenCV foundation , It's not available for Windows. See instead a Windows-specific reference of threads and processes. Add a comment. Active Oldest Votes. Improve this answer. Nikos C. I tried this but it does not work — SB SB26 You will probably need to tell your compiler where to find the header files as well as the library files.

How you do that depends on your compiler. I am using MinGW and the header files are in that folder. The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses.

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