build/common.gypi

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{
  'variables': {
    'library%': 'static_library',
    'component%': 'static_library',
    'visibility%': 'hidden',
    'variables': {
      'conditions': [
        [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
          # This handles the Linux platforms we generally deal with. Anything
          # else gets passed through, which probably won't work very well; such
          # hosts should pass an explicit target_arch to gyp.
          'host_arch%':
            '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/")',
        }, {  # OS!="linux" and OS!="freebsd" and OS!="openbsd"
          'host_arch%': 'ia32',
        }],
      ],
    },
    'host_arch%': '<(host_arch)',
    'target_arch%': '<(host_arch)',
    'v8_target_arch%': '<(target_arch)',
  },
  'target_defaults': {
    'default_configuration': 'Debug',
    'configurations': {
      'Debug': {
        'cflags': [ '-g', '-O0' ],
        'defines': [ 'ENABLE_DISASSEMBLER', 'DEBUG' ],
      },
      'Release': {
        'cflags': [ '-O3', '-fomit-frame-pointer', '-fdata-sections', '-ffunction-sections' ],
      },
    },
  },
  'conditions': [
    [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
      'target_defaults': {
        'cflags': [ '-Wall', '-pthread', '-fno-rtti', '-fno-exceptions' ],
        'ldflags': [ '-pthread', ],
        'conditions': [
          [ 'target_arch=="ia32"', {
            'cflags': [ '-m32' ],
            'ldflags': [ '-m32' ],
          }],
          [ 'OS=="linux"', {
            'cflags': [ '-ansi' ],
          }],
          [ 'visibility=="hidden"', {
            'cflags': [ '-fvisibility=hidden' ],
          }],
        ],
      },
    }],
  ],
}