准备工具： OS X 操作系统 Xcode IDE
安装步骤：
安装home-brew
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install**)"为了保证套件的完整,接着执行官网的建议脚本,安装wget和cmake
brew install wget
brew install cmake**下载OpenCV
brew install homebrew/science/opencv
查看/usr/local/Cellar目录，应该包含cmake,wget,opencv三个文件。创建一个空的command line工程
OS X -> Application -> Command Line Tool->Next —> Product Name —> Language:C++ —> choose path点击工程,选择
Target’s —>Build Settings—> 搜索search paths->选择search paths下面的Header Search Parhs->双击后面的详细信息添加指定路径:/usr/local/include选择search paths下面的Library Search Parhs->双击添加指定路径:/usr/local/lib。新建一个
group，命名为OpenCvLib,然后打开/usr/local/Cellar/opencv/2.4.12_2/lib目录，然后将后缀为.dylib文件拖入刚才新建的文件夹下。
