old_contents: {
    'targets': [{
      'target_name': 'farmhash',
      'sources': [
         'src/upstream/farmhash.cc',
         'src/farmhash.cc'
      ],
      'include_dirs': [
        '<!(node -e "require(\'nan\')")'
      ],
      'cflags_cc': [
          '-fexceptions',
          '-Wall',
          '-march=native',
          '-Ofast',
          '-flto',
          '-funroll-loops'
      ],
      'xcode_settings': {
        'OTHER_CPLUSPLUSFLAGS': [
          '-fexceptions',
          '-Wall',
          '-march=native',
          '-Ofast',
          '-flto',
          '-funroll-loops'
        ]
      }
    }]
  }
  
new_contents: {
    'targets': [{
      'target_name': 'farmhash',
      'sources': [
         'src/upstream/farmhash.cc',
         'src/farmhash.cc'
      ],
      'include_dirs': [
        '<!(node -e "require(\'nan\')")'
      ],
      'cflags_cc': [
          '-fexceptions',
          '-Wall',
          '-march=native',
          '-Ofast',
          '-funroll-loops'
      ],
      'xcode_settings': {
        'OTHER_CPLUSPLUSFLAGS': [
          '-fexceptions',
          '-Wall',
          '-march=native',
          '-Ofast',
          '-funroll-loops'
        ]
      }
    }]
  }
  
subject: Remove -flto flag