安装

$ git svn clone -r HEAD http://gyp.googlecode.com/svn/trunk/ gyp
$ cd gyp
$ ./setup.py build
$ sudo ./setup.py install

Hello World

$ vim main.cpp
#include <stdio.h>
int main(int argc, char** argv)
{
     printf("hello world\n");  
} 
$ vim main.gyp
{
    'targets': [
        {
            'target_name': 'main',
            'type': 'executable',
            'sources': [
                'main.cpp'
            ]
        }
    ]
}
$ gyp --depth=. main.gyp
$ open main.xcodeproj

COMMAND + R 运行