установил openCV «aptitude install libopencv-dev» попробовал скомпилировать сишный пример получил
contours.c:(.text+0x25a8): undefined reference to `cvNamedWindow'
contours.c:(.text+0x25bb): undefined reference to `cvShowImage'
contours.c:(.text+0x25d9): undefined reference to `cvConvertScale'
contours.c:(.text+0x2602): undefined reference to `cvConvertScale'
contours.c:(.text+0x2660): undefined reference to `cvFindContours'
contours.c:(.text+0x26d2): undefined reference to `cvSave'
contours.c:(.text+0x26f5): undefined reference to `cvLoad'
contours.c:(.text+0x2730): undefined reference to `cvApproxPoly'
contours.c:(.text+0x2749): undefined reference to `cvNamedWindow'
contours.c:(.text+0x2775): undefined reference to `cvCreateTrackbar'
contours.c:(.text+0x27b7): undefined reference to `cvCvtColor'
contours.c:(.text+0x2987): undefined reference to `cvDrawContours'
contours.c:(.text+0x2b4e): undefined reference to `cvDrawContours'
contours.c:(.text+0x2b74): undefined reference to `cvShowImage'
contours.c:(.text+0x2b8c): undefined reference to `cvWaitKey'
contours.c:(.text+0x2b97): undefined reference to `cvReleaseMemStorage'
contours.c:(.text+0x2ba2): undefined reference to `cvReleaseImage'
contours.c:(.text+0x2bad): undefined reference to `cvReleaseImage'
contours.c:(.text+0x2bb8): undefined reference to `cvReleaseImage'
contours.c:(.text+0x2bc3): undefined reference to `cvReleaseImage'