old_contents: {
    'targets': [
      {
        'target_name': 'ffi_bindings',
        'sources': [
            'src/ffi.cc'
          , 'src/callback_info.cc'
          , 'src/threaded_callback_invokation.cc'
        ],
        'include_dirs': [
          '<!(node -e "require(\'nan\')")'
        ],
        'dependencies': [
          'deps/libffi/libffi.gyp:ffi'
        ],
        'conditions': [
          ['OS=="win"', {
            'sources': [
                'src/win32-dlfcn.cc'
            ],
          }],
          ['OS=="mac"', {
            'xcode_settings': {
              'GCC_ENABLE_CPP_EXCEPTIONS': 'YES',
              'MACOSX_DEPLOYMENT_TARGET': '10.5',
              'OTHER_CFLAGS': [
                  '-ObjC++'
              ]
            },
            'libraries': [
                '-lobjc'
            ],
          }]
        ]
      }
    ]
  }
  
new_contents: {
    'targets': [
      {
        'target_name': 'ffi_bindings',
        'sources': [
            'src/ffi.cc'
          , 'src/callback_info.cc'
          , 'src/threaded_callback_invokation.cc'
        ],
        'include_dirs': [
          '<!(node -e "require(\'nan\')")'
        ],
        'dependencies': [
          'deps/libffi/libffi.gyp:ffi'
        ],
        'conditions': [
          ['OS=="win"', {
            'sources': [
                'src/win32-dlfcn.cc'
            ],
          }],
          ['OS=="mac"', {
            'xcode_settings': {
              'GCC_ENABLE_CPP_EXCEPTIONS': 'YES',
              'OTHER_CFLAGS': [
                  '-ObjC++'
              ]
            },
            'libraries': [
                '-lobjc'
            ],
          }]
        ]
      }
    ]
  }
  
subject: remove OS X 10.5 deployment target