Download OpenCV 2.4.10
Download CMake 2.8
Open CMake and choose the source code directory and build binary directory
Then click "Configure", and "Generate"
Go to the build binary directory, open terminal, and run the following command:
make
After "make" is done, then type
sudo make install
OpenCV2.4.10 Mac Configuration
原文：http://www.cnblogs.com/grandyang/p/4336964.html