安装opencv无数次，每次都还有新发现，今天记下来吧。

1、安装依赖

yum install cmake gcc gcc-c++ gtk2-devel gimp-develgimp-devel-tools gimp-help-browser zlib-devel libtiff-devel libjpeg-devellibpng-devel gstreamer-devel libavc1394-devel libraw1394-devel libdc1394-develjasper-devel jasper-utils swig python libtool nasm

2、下载文件包

http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.9/opencv-2.4.9.zip/download

3、安装

unzip opencv-2.4.9.zip

cd opencv-2.4.9

cmake CMakeLists.txt

make

make install

4、配置环境变量

vim ~/.bashrc

export OpenCV_DIR=$OpenCV_DIR:/root/opencv-2.4.9/include/opencv
export LD_LIBRARY_PATH="/root/opencv-2.4.9/3rdparty/lib:$LD_LIBRARY_PATH"

source ~/.bashrc

5、测试

cd samples

cd c

./build_all.sh

6、安装结束

会出现的问题：

1、nvcc fatal : Unsupported gpu architecture 'compute_11'

解决办法：

打开 sources\cmake 目录，使用文本编辑器编辑OpenCVDetectCUDA.cmake

找到下面一段