How do you build OpenCV with LAPACK on Windows 10 via CMake?

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Please remove screen copy. You can use mkl

Right, but how to set that up?

For LAPACK, I've pointed to mkl_lapack95_lp64.lib, and for BLAS mkl_blas95_lp64.lib, both located in 'C:\Program Files (x86)\IntelSWTools\compilers_and_libraries_2018.1.156\windows\mkl\lib\intel64_win'

For the LAPACK includes folder, I've pointed to 'C:\Program Files (x86)\IntelSWTools\compilers_and_libraries_2018.1.156\windows\mkl\include' were a bunch of headers reside.

CMake says:

A library with BLAS API found. A library with LAPACK API not found. Please specify library location.

In that includes folder, there is mkl_lapack.h, mkl_lapacke.h, mkl_cblas.h, etc but I don't think the included setup CMake files know how to recognized them. :(

Ok, followed the instructions I found here and here.

Everything auto populates for LAPACK when manually setting the files and locations for MKL, all except LAPACK_LIBRARIES. It is empty and there is no way to select files or folders. >:(

I'll keep digging...

OK I think I got it to work, and by work I mean all the configurations look right and I get reassuring output from CMake.

I followed the directions in my previous post only I didn't need to modify the OpenCVFindMKL.cmake file. Also I am not using CUDA.

Before running CMake, I set the following system variables and added them to my path:

INTEL_TBB = C:\Program Files (x86)\IntelSWTools\compilers_and_libraries_2018\windows\redist\intel64_win\tbb\vc_mt

MKLROOT = C:\Program Files (x86)\IntelSWTools\compilers_and_libraries_2018.1.156\windows\mkl

Then I invoked CMake from the command prompt using:

C:\WINDOWS\system32>"C:\Program Files (x86)\IntelSWTools\compilers_and_libraries\windows\tbb\bin\tbbvars.bat" intel64

C:\WINDOWS\system32>"C:\Program Files (x86)\IntelSWTools\compilers_and_libraries_2018.1.156\windows\mkl\bin\mklvars.bat" intel64

C:\WINDOWS\system32>"C:\Program Files\CMake\bin\cmake-gui"

I chose 'Visual Studio 15 2017 Win64' as my generator and I chose the Intel C/C++/Fortran compiler as my native compiler(s) but I don't think CMake listened to me.

I'll generate and build. hope it works.

I don't know intel C++ compiler but I think you must choose intel in cmake generator and not vs (vs is just an ide when you choose intel)

Intel's compilers don't show up as an option to choose as a generator. I am able to configure, generate and build using VS 15 and native compilers though. However, there is something wrong with my Java and Python wrappers, but I suppose that's a topic for another thread. I'm still building and will start another thread if need be. Thank you.

cmake and intel

Doesn't seem to work for me. The guy says to add the line:

set(CMAKE_GENERATOR_TOOLSET "Intel C++ Compiler XE 14.0" CACHE STRING "Platform Toolset" FORCE)

in CMakeLists.txt but where exactly? I get an error stating that the compiler cannot be found. I assume mine is version 18.0 but I've tried 17.0 as well and no go. :/

Even using -T argument "Intel C++ Compiler XE 14.0" at the generator selection dialog box won't work. :/

Ok may be you can use method given here