安裝 OpenCV 2.4.9

install package

sudo apt-get install build-essential libgtk2.0-dev libjpeg-dev libtiff4-dev \
                     libjasper-dev libopenexr-dev cmake python-dev python-numpy \
                     python-tk libtbb-dev libeigen2-dev yasm libfaac-dev \
                     libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev \
                     libvorbis-dev libxvidcore-dev libx264-dev libqt4-dev \
                     libqt4-opengl-dev sphinx-common texlive-latex-extra libv4l-dev \
                     libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev

download opencv-2.4.9

wget -O OpenCV-2.4.9.zip http://fossies.org/linux/misc/opencv-2.4.9.zip
unzip OpenCV-2.4.9.zip

build

cd opencv-2.4.9
mkdir debug ; cd debug

cmake -D CMAKE_INSTALL_PREFIX=/usr/local/opencv \
      -D CMAKE_BUILD_TYPE:STRING=RelWithDebInfo \
      -D CMAKE_BUILD_TYPE=DEBUG ..

make -j8 ; sudo make install

cuda off

cmake -D CMAKE_INSTALL_PREFIX=/usr/local/opencv-2.4.13_cuda_off \
      -D WITH_CUDA=OFF -D CMAKE_BUILD_TYPE:STRING=RelWithDebInfo \
      -D CMAKE_BUILD_TYPE=DEBUG ..

add library path

sudo vim /etc/ld.so.conf.d/opencv.conf
/usr/local/opencv/lib
sudo ldconfig
ldconfig -p | ag 'opencv'

bashrc configure

~/.bashrc
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/opencv/lib/pkgconfig
export PKG_CONFIG_PATH

test

cd opencv-2.4.9/samples/c
./build_all.sh
./facedetect lena.jpg