centos上安装opencv库
$ cd ~/software
$ sudo wget http://www.cmake.org/files/v2.6/cmake-2.8.6.tar.gz
$ tar -zxvf cmake-2.8.6.tar.gz
$ cd cmake-2.8.6
$ ./bootstrap
$ make
$ sudo make install
$ export PATH=/bin:$PATH
$ cmake --version
cd ~/software
sudo wget http://www.opencv.org.cn/download/OpenCV-2.2.0.tar.bz2
sudo tar -xjf OpenCV-2.2.0.tar.bz2
sudo mkdir ~/software/openCV_build
cd ~/software/openCV_build
$ sudo cmake -D CMAKE_BUILD_TYPE=RELEASE -D
CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_NEW_PYTHON_SUPPORT=NO -D BUILD_EXAMPLES=ON ~/software/OpenCV-2.2.0/
$ sudo yum install gtk2-devel.x86_64
$ sudo yum install libtiff-devel.x86_64
$ cd ~/software/openCV_build
$ sudo make
$ sudo make install
$ sudo vi /etc/ld.so.conf.d/opencv.conf
追加内容 /usr/local/lib
$ sudo ldconfig
$ sudo vi /etc/environment
追加以下内容
PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH