old_contents: {
  	'targets': [
  		{
  			'target_name': 'node_pcsc',
  			'sources': [ 
  				'src/node-pcsc.cc',
  				'src/pcsc-emitter.h',
  				'src/pcsc-emitter.cc',
  				'src/pcsc-client.h',
  				'src/pcsc-client.cc'
  			],
  			'include_dirs': [
  				'/usr/include/PCSC'
  			],
  			'cflags': [
  				'-Wall',
  				'-Wextra',
  				'-Wno-unused-parameter',
  				'-fPIC',
  				'-fno-strict-aliasing',
  				'-fno-exceptions',
  				'-pedantic'],
  			'link_settings': {
  				'libraries': [
  					'-lpthread',
  					'-lpcsclite'
  				]
  			}
  		}
  	]
  }
  
new_contents: {
  	'targets': [
  		{
  			'target_name': 'node_pcsc',
  			'sources': [ 
  				'src/node-pcsc.cc',
  				'src/pcsc-emitter.h',
  				'src/pcsc-emitter.cc',
  				'src/pcsc-client.h',
  				'src/pcsc-client.cc'
  			],
  			'include_dirs': [
  				'/usr/include/PCSC'
  			],
  			'cflags': [
  				'-Wall',
  				'-Wextra',
  				'-Wno-unused-parameter',
  				'-fPIC',
  				'-fno-strict-aliasing',
  				'-fno-exceptions',
  				'-pedantic'],
  			'link_settings': {
  				'libraries': [
  					'-lpthread',
  					'-framework PCSC'
  				]
  			}
  		}
  	]
  }
  
subject: Use -framework PCSC on Mac OS X