set_up_opencv_on_mac.md

###Download XCode from the App Store Get it from here

###Get cmake Use/get a package manager, such as homebrew. Open a terminal window and type the following

brew install cmake

This will get the required packages for cmake.

###Get and install OpenCV

• Download the latest OpenCV for Linux/Mac
• Navigate to location of downloaded file and untar it with the following command

tar xvzf opencv-2.4.6.1.tar.gz

• Navigate to extracted folder cd path/to/folder
• Create a build directory and build opencv with the following commands

mkdir build
cd build
cmake -G "Unix Makefiles"...

• Make and install

make -j8
sudo make install

###Set up an OpenCV project in XCode

• Start XCode

• Create new "Command Line Tool" project with type C++ screenshot

• Add OpenCV to your project

  • Right click your project on the sidebar, select "Add files to..." screenshot
  • When the file chooser dialog opens up, press cmd + shift + G and enter "/usr/local/lib" screenshot
  • Select the required OpenCV files (named in the format libopencv_*.dylib), or select all. Press Add or Return screenshot
  • You will see that all selected files are now in the sidebar. You can youp them together by creating a new Group and dragging the files in there. screenshot

• Configure your project

  • Click on the project (in the side bar), and you should see the Project settings come up in the middle of the editor
  • Click the All view (top left corner)
  • In the search bar type "Header Search Paths", double click the value, remove the existing entries and add /usr/local/lib and /usr/local/include screenshot
  • Now search for "Library Search Paths" and replace the values with /usr/local/lib
  • Search for "C++ Standard Library" and select "libstdc++ (GNU C++ Standard Library)" screenshot

• Try the configuration

  • Run one of the sample OpenCV projects