Error “sys/videoio.h - not found” OpenCV 3.1.0

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I using Elementary OS and I'm trying to install OpenCV 3.1.0, I follow the instructions of http://docs.opencv.org/3.0-beta/doc/t... Also, I have installed libav 11.7 and ffmpeg 3.1.3
but, after
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
I get:
-- Looking for linux/videodev.h
-- Looking for linux/videodev.h - found
-- Looking for linux/videodev2.h
-- Looking for linux/videodev2.h - found
-- Looking for sys/videoio.h
-- Looking for sys/videoio.h - not found
-- Looking for libavformat/avformat.h
-- Looking for libavformat/avformat.h - found
-- Looking for ffmpeg/avformat.h
-- Looking for ffmpeg/avformat.h - not found
-- checking for module 'libgphoto2'
-- package 'libgphoto2' not found
And after make,
I get:
../../lib/libopencv_videoio.so.3.1.0: referencia a av_frame_alloc' sin definir
../../lib/libopencv_videoio.so.3.1.0: referencia aav_frame_free' sin definir
collect2: error: ld returned 1 exit status
make[2]: * [bin/opencv_test_video] Error 1
make[1]: * [modules/video/CMakeFiles/opencv_test_video.dir/all] Error 2

someone who can help me ?