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# Building OpenCV from Source for Windows Embedded Compact (WINCE/WEC)
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## Requirements
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CMake 3.1.0 or higher
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Windows Embedded Compact SDK
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## Configuring
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To configure CMake for Windows Embedded, specify Visual Studio 2013 as generator and the name of your installed SDK:
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`cmake -G "Visual Studio 12 2013" -A "MySDK WEC2013" -DCMAKE_TOOLCHAIN_FILE:FILEPATH=../platforms/wince/arm-wince.toolchain.cmake`
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If you are building for a headless WINCE, specify `-DBUILD_HEADLESS=ON` when configuring. This will remove the `commctrl.lib` dependency.
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If you are building for anything else than WINCE800, you need to specify that in the configuration step. Example:
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```
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-DCMAKE_SYSTEM_VERSION=7.0 -DCMAKE_GENERATOR_TOOLSET=CE700 -DCMAKE_SYSTEM_PROCESSOR=arm-v4
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```
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For headless WEC2013, this configuration may not be limited to but is known to work:
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```
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-DBUILD_EXAMPLES=OFF `
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-DBUILD_opencv_apps=OFF `
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-DBUILD_opencv_3d=OFF `
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-DBUILD_opencv_highgui=OFF `
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-DBUILD_opencv_features2d=OFF `
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-DBUILD_opencv_flann=OFF `
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-DBUILD_opencv_ml=OFF `
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-DBUILD_opencv_objdetect=OFF `
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-DBUILD_opencv_photo=OFF `
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-DBUILD_opencv_shape=OFF `
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-DBUILD_opencv_stitching=OFF `
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-DBUILD_opencv_superres=OFF `
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-DBUILD_opencv_ts=OFF `
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-DBUILD_opencv_video=OFF `
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-DBUILD_opencv_videoio=OFF `
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-DBUILD_opencv_videostab=OFF `
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-DBUILD_opencv_dnn=OFF `
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-DBUILD_opencv_java=OFF `
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-DBUILD_opencv_python3=OFF `
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-DBUILD_opencv_java_bindings_generator=OFF `
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-DBUILD_opencv_python_bindings_generator=OFF `
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-DBUILD_TIFF=OFF `
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-DCV_TRACE=OFF `
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-DWITH_OPENCL=OFF `
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-DHAVE_OPENCL=OFF `
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-DWITH_QT=OFF `
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-DWITH_GTK=OFF `
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-DWITH_QUIRC=OFF `
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-DWITH_JASPER=OFF `
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-DWITH_WEBP=OFF `
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-DWITH_PROTOBUF=OFF `
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-DBUILD_SHARED_LIBS=OFF `
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-DWITH_OPENEXR=OFF `
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-DWITH_TIFF=OFF `
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```
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## Configuring to build as shared
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Building OpenCV as shared libraries is as easy as appending
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```
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-DBUILD_SHARED_LIBS=ON `
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-DBUILD_ZLIB=ON
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```
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to the build configuration.
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## Building
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You are required to build using Unicode:
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`cmake --build . -- /p:CharacterSet=Unicode`
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