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      1 # Copyright 2013 the V8 project authors. All rights reserved.
      2 # Redistribution and use in source and binary forms, with or without
      3 # modification, are permitted provided that the following conditions are
      4 # met:
      5 #
      6 #     * Redistributions of source code must retain the above copyright
      7 #       notice, this list of conditions and the following disclaimer.
      8 #     * Redistributions in binary form must reproduce the above
      9 #       copyright notice, this list of conditions and the following
     10 #       disclaimer in the documentation and/or other materials provided
     11 #       with the distribution.
     12 #     * Neither the name of Google Inc. nor the names of its
     13 #       contributors may be used to endorse or promote products derived
     14 #       from this software without specific prior written permission.
     15 #
     16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 # Compile time controlled V8 features.
     29 
     30 {
     31   'variables': {
     32     'v8_compress_startup_data%': 'off',
     33 
     34     'v8_enable_debugger_support%': 1,
     35 
     36     'v8_enable_disassembler%': 0,
     37 
     38     'v8_enable_gdbjit%': 0,
     39 
     40     'v8_object_print%': 0,
     41 
     42     'v8_enable_verify_heap%': 0,
     43 
     44     'v8_use_snapshot%': 'true',
     45 
     46     # With post mortem support enabled, metadata is embedded into libv8 that
     47     # describes various parameters of the VM for use by debuggers. See
     48     # tools/gen-postmortem-metadata.py for details.
     49     'v8_postmortem_support%': 'false',
     50 
     51     # Interpreted regexp engine exists as platform-independent alternative
     52     # based where the regular expression is compiled to a bytecode.
     53     'v8_interpreted_regexp%': 0,
     54 
     55     # Enable ECMAScript Internationalization API. Enabling this feature will
     56     # add a dependency on the ICU library.
     57     'v8_enable_i18n_support%': 1,
     58 
     59     # Enable compiler warnings when using V8_DEPRECATED apis.
     60     'v8_deprecation_warnings%': 0,
     61 
     62     # Use the v8 provided v8::Platform implementation.
     63     'v8_use_default_platform%': 1,
     64   },
     65   'target_defaults': {
     66     'conditions': [
     67       ['v8_enable_debugger_support==1', {
     68         'defines': ['ENABLE_DEBUGGER_SUPPORT',],
     69       }],
     70       ['v8_enable_disassembler==1', {
     71         'defines': ['ENABLE_DISASSEMBLER',],
     72       }],
     73       ['v8_enable_gdbjit==1', {
     74         'defines': ['ENABLE_GDB_JIT_INTERFACE',],
     75       }],
     76       ['v8_object_print==1', {
     77         'defines': ['OBJECT_PRINT',],
     78       }],
     79       ['v8_enable_verify_heap==1', {
     80         'defines': ['VERIFY_HEAP',],
     81       }],
     82       ['v8_interpreted_regexp==1', {
     83         'defines': ['V8_INTERPRETED_REGEXP',],
     84       }],
     85       ['v8_deprecation_warnings==1', {
     86         'defines': ['V8_DEPRECATION_WARNINGS',],
     87       }],
     88       ['v8_enable_i18n_support==1', {
     89         'defines': ['V8_I18N_SUPPORT',],
     90       }],
     91       ['v8_use_default_platform==1', {
     92         'defines': ['V8_USE_DEFAULT_PLATFORM',],
     93       }],
     94       ['v8_compress_startup_data=="bz2"', {
     95         'defines': [
     96           'COMPRESS_STARTUP_DATA_BZ2',
     97         ],
     98       }],
     99     ],  # conditions
    100     'configurations': {
    101       'Debug': {
    102         'variables': {
    103           'v8_enable_extra_checks%': 1,
    104           'v8_enable_handle_zapping%': 1,
    105         },
    106         'conditions': [
    107           ['v8_enable_extra_checks==1', {
    108             'defines': ['ENABLE_EXTRA_CHECKS',],
    109           }],
    110           ['v8_enable_handle_zapping==1', {
    111             'defines': ['ENABLE_HANDLE_ZAPPING',],
    112           }],
    113         ],
    114       },  # Debug
    115       'Release': {
    116         'variables': {
    117           'v8_enable_extra_checks%': 0,
    118           'v8_enable_handle_zapping%': 0,
    119         },
    120         'conditions': [
    121           ['v8_enable_extra_checks==1', {
    122             'defines': ['ENABLE_EXTRA_CHECKS',],
    123           }],
    124           ['v8_enable_handle_zapping==1', {
    125             'defines': ['ENABLE_HANDLE_ZAPPING',],
    126           }],
    127         ],  # conditions
    128       },  # Release
    129     },  # configurations
    130   },  # target_defaults
    131 }
    132