SDL on Xcode

1. 安裝brew:終端機：/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
2. 安裝SDL: brew install sdl2
3. Xcode 新增專案 (command line tool )
4.  在Link frameworks and libraries 下新增 
5.  Add Other...
6. 用[command]+[shift]+[G]進入  /usr/local/Cellar/sdl2/2.0.5 並選取  libSDL2-2.0.0.dylib
7.  在header search paths新增/usr/local/include

完成！