Error Opencv contrib, visual studion 2017, windows 10

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Hello,

I am trying to add opencv_contrib to opencv 4.0.1, i am using CMake in visual studio 2017, and Windows 10, i followed the steps here : https://github.com/opencv/opencv_contrib

but in step 6 when i click configure, i get this error :

CMake Error at C:/opencv/sources/opencv/sources/cmake/OpenCVUtils.cmake:704 (pkg_check_modules): Unknown CMake command "pkg_check_modules". Call Stack (most recent call first): C:/opencv/sources/opencv_contrib-master/modules/freetype/CMakeLists.txt:6 (ocv_check_modules)

i seash some solution like this : https://stackoverflow.com/questions/4...

but it's not working for me, i need your help and thank you;