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Jcao02
Jcao02

Reputation: 804

Install specific libraries OpenCV iOS

I'd like to install OpenCV on iOS, but not all the modules, just a few.

How can I achieve this? Is there an argument I could pass to the build_framework.py script that allows me do so?

I followed OpenCV tutorial but it doesn't say anything about this.

Upvotes: 4

Views: 821

Answers (1)

nebuto
nebuto

Reputation: 984

As of v2.4.6 OpenCV has a custom python script to ease the work (plateforms > ios > build_framework.py)

You just need to add flags on the cmake line to make a custom compile.

For instance : I only need the lib imgproc and to include all the headers into the archive, my cmake now ressembles this :

cmakeargs = ("-GXcode " +
            "-D BUILD_SHARED_LIBS=OFF "+
            "-D BUILD_opencv_core=ON "+
            "-D BUILD_opencv_imgproc=ON "+
            "-D BUILD_opencv_world=ON "+
            "-D BUILD_opencv_gpu=OFF "+
            "-D BUILD_opencv_calib3d=OFF "+
            "-D BUILD_opencv_contrib=OFF "+
            "-D BUILD_opencv_features2D=OFF "+
            "-D BUILD_opencv_flann=OFF "+
            "-D BUILD_opencv_highgui=OFF "+
            "-D BUILD_opencv_legacy=OFF "+
            "-D BUILD_opencv_ml=OFF "+
            "-D BUILD_opencv_nonfree=OFF "+
            "-D BUILD_opencv_objdetect=OFF "+
            "-D BUILD_opencv_photo=OFF "+
            "-D BUILD_opencv_stitching=OFF "+
            "-D BUILD_opencv_video=OFF "+
            "-D BUILD_opencv_videostab=OFF "+
            "-DCMAKE_BUILD_TYPE=Release " +
            "-DCMAKE_TOOLCHAIN_FILE=%s/platforms/ios/cmake/Toolchains/Toolchain-%s_Xcode.cmake " +
            "-DCMAKE_INSTALL_PREFIX=install") % (srcroot, target)

Don't forget to add the core and world lib as they are obligatory. Execute the python script > profite.

After that add the lib manually to your project and remove the pesky import headers left in the headers > opencv.hpp and you should be good to go !

Upvotes: 4

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