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_disassembler%': 0,
35
36    'v8_enable_gdbjit%': 0,
37
38    'v8_object_print%': 0,
39
40    'v8_enable_verify_heap%': 0,
41
42    'v8_use_snapshot%': 'true',
43
44    'v8_enable_verify_predictable%': 0,
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 external files for startup data blobs:
63    # the JS builtins sources and the start snapshot.
64    'v8_use_external_startup_data%': 0,
65  },
66  'target_defaults': {
67    'conditions': [
68      ['v8_enable_disassembler==1', {
69        'defines': ['ENABLE_DISASSEMBLER',],
70      }],
71      ['v8_enable_gdbjit==1', {
72        'defines': ['ENABLE_GDB_JIT_INTERFACE',],
73      }],
74      ['v8_object_print==1', {
75        'defines': ['OBJECT_PRINT',],
76      }],
77      ['v8_enable_verify_heap==1', {
78        'defines': ['VERIFY_HEAP',],
79      }],
80      ['v8_enable_verify_predictable==1', {
81        'defines': ['VERIFY_PREDICTABLE',],
82      }],
83      ['v8_interpreted_regexp==1', {
84        'defines': ['V8_INTERPRETED_REGEXP',],
85      }],
86      ['v8_deprecation_warnings==1', {
87        'defines': ['V8_DEPRECATION_WARNINGS',],
88      }],
89      ['v8_enable_i18n_support==1', {
90        'defines': ['V8_I18N_SUPPORT',],
91      }],
92      ['v8_compress_startup_data=="bz2"', {
93        'defines': ['COMPRESS_STARTUP_DATA_BZ2',],
94      }],
95      ['v8_use_external_startup_data==1', {
96        'defines': ['V8_USE_EXTERNAL_STARTUP_DATA',],
97      }],
98    ],  # conditions
99    'configurations': {
100      'DebugBaseCommon': {
101        'abstract': 1,
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