I am trying to executing cross compiled c++ program(removeRedEye) in riscv linux,but i am getting errors

Billa Surendra
46 ●1 ●4 http://www.cse.iitm.ac...

I have cross compiled OpenCV application(removeRedEye) statically for RISCV architecture,now i am executing application in riscv-linux root file system,but when i am executing executable i am getting errors.Please help me in this.

Error:--

/removeRedEyes

/removeRedEyes terminate called after throwing an instance of 'cv::Exception' what(): OpenCV(3.4.2) /home/billa/Downloads/opencv-3.4.2/modules/highgui/src/window.cpp:698: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function 'cvWaitKey'

answered 2018-07-27 04:08:29 -0600

berak
32993 ●7 ●81 ●312

since you did not compile in any gui support (e.g. from gtk or qt), you cannot use any opencv gui functions, like imshow(), namedWindow(), waitKey()

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Then what is the solution,i mean what i want to do now.

Billa Surendra ( 2018-07-27 04:22:47 -0600 )edit

IF you need any gui, you either have to find a prebuild risc gtk or qt package, or cross-compile it from src.

(then rerun cmake & rebuild the opencv libs)

berak ( 2018-07-27 04:44:03 -0600 )edit

I have cross compiled OpenCV library statically by using -DWITH_GTK_2_X=ON -DWITH_QT=ON flags and i did re run cmake,but still i am getting same error.Please help me regarding this error.

Billa Surendra ( 2018-07-31 04:50:18 -0600 )edit

By using this command i am cross compiling Opencv library
cmake -DCMAKE_TOOLCHAIN_FILE=../riscv.toolchain.cmake ../../.. -DWITH_PNG=OFF -DBUILD_SHARED_LIBS=OFF -DBUILD_ZLIB=ON -DBUILD_opencv_dnn=OFF -DBUILD_EXAMPLES=ON -DWITH_OPENEXR=OFF -DWITH_GTK_2_X=ON -DWITH_QT=ON -DCMAKE_EXE_LINKER_FLAGS="-static" and after that i have cross compiled Opencv Application and finally i am running executable in riscv linux i am getting Error like this way

Error :--

Billa Surendra ( 2018-07-31 05:03:34 -0600 )edit

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I am trying to executing cross compiled c++ program(removeRedEye) in riscv linux,but i am getting errors

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I am trying to executing cross compiled c++ program(removeRedEye) in riscv linux,but i am getting errors