build/v8-features.gypi

# Copyright 2011 the V8 project authors. All rights reserved.
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# modification, are permitted provided that the following conditions are
# met:
#
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# TODO(sgjesse): This is currently copied from v8.gyp, should probably
# be refactored.
{
  'variables': {
    'use_system_v8%': 0,
    'msvs_use_common_release': 0,
    'gcc_version%': 'unknown',
    'v8_compress_startup_data%': 'off',
    'v8_target_arch%': '<(target_arch)',

    # Setting 'v8_can_use_unaligned_accesses' to 'true' will allow the code
    # generated by V8 to do unaligned memory access, and setting it to 'false'
    # will ensure that the generated code will always do aligned memory
    # accesses. The default value of 'default' will try to determine the correct
    # setting. Note that for Intel architectures (ia32 and x64) unaligned memory
    # access is allowed for all CPUs.
    'v8_can_use_unaligned_accesses%': 'default',

    # Setting 'v8_can_use_vfp_instructions' to 'true' will enable use of ARM VFP
    # instructions in the V8 generated code. VFP instructions will be enabled
    # both for the snapshot and for the ARM target. Leaving the default value
    # of 'false' will avoid VFP instructions in the snapshot and use CPU feature
    # probing when running on the target.
    'v8_can_use_vfp_instructions%': 'false',

    # Setting v8_use_arm_eabi_hardfloat to true will turn on V8 support for ARM
    # EABI calling convention where double arguments are passed in VFP
    # registers. Note that the GCC flag '-mfloat-abi=hard' should be used as
    # well when compiling for the ARM target.
    'v8_use_arm_eabi_hardfloat%': 'false',

    'v8_use_snapshot%': 'true',
    'host_os%': '<(OS)',
    'v8_use_liveobjectlist%': 'false',
  },
  'target_defaults': {
    'conditions': [
      ['OS!="mac"', {
        'conditions': [
          ['v8_target_arch=="arm"', {
            'defines': [
              'V8_TARGET_ARCH_ARM',
            ],
            'conditions': [
              [ 'v8_can_use_unaligned_accesses=="true"', {
                'defines': [
                  'CAN_USE_UNALIGNED_ACCESSES=1',
                ],
              }],
              [ 'v8_can_use_unaligned_accesses=="false"', {
                'defines': [
                  'CAN_USE_UNALIGNED_ACCESSES=0',
                ],
              }],
              [ 'v8_can_use_vfp_instructions=="true"', {
                'defines': [
                  'CAN_USE_VFP_INSTRUCTIONS',
                ],
              }],
              [ 'v8_use_arm_eabi_hardfloat=="true"', {
                'defines': [
                  'USE_EABI_HARDFLOAT=1',
                  'CAN_USE_VFP_INSTRUCTIONS',
                ],
              }],
            ],
          }],
          ['v8_target_arch=="ia32"', {
            'defines': [
              'V8_TARGET_ARCH_IA32',
            ],
          }],
          ['v8_target_arch=="mips"', {
            'defines': [
              'V8_TARGET_ARCH_MIPS',
            ],
          }],
          ['v8_target_arch=="x64"', {
            'defines': [
              'V8_TARGET_ARCH_X64',
            ],
          }],
        ],
      }],
    ],
    'configurations': {
      'Debug': {
        'defines': [
          'DEBUG',
          '_DEBUG',
          'ENABLE_DISASSEMBLER',
          'V8_ENABLE_CHECKS',
          'OBJECT_PRINT',
        ],
      }
    }
  }
}