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_enable_disassembler%': 0,
33
34    'v8_enable_gdbjit%': 0,
35
36    'v8_object_print%': 0,
37
38    'v8_enable_verify_heap%': 0,
39
40    'v8_trace_maps%': 0,
41
42    # Enable the snapshot feature, for fast context creation.
43    # http://v8project.blogspot.com/2015/09/custom-startup-snapshots.html
44    'v8_use_snapshot%': 'true',
45
46    'v8_enable_verify_predictable%': 0,
47
48    # With post mortem support enabled, metadata is embedded into libv8 that
49    # describes various parameters of the VM for use by debuggers. See
50    # tools/gen-postmortem-metadata.py for details.
51    'v8_postmortem_support%': 'false',
52
53    # Interpreted regexp engine exists as platform-independent alternative
54    # based where the regular expression is compiled to a bytecode.
55    'v8_interpreted_regexp%': 0,
56
57    # Enable ECMAScript Internationalization API. Enabling this feature will
58    # add a dependency on the ICU library.
59    'v8_enable_i18n_support%': 1,
60
61    # Enable compiler warnings when using V8_DEPRECATED apis.
62    'v8_deprecation_warnings%': 0,
63
64    # Enable compiler warnings when using V8_DEPRECATE_SOON apis.
65    'v8_imminent_deprecation_warnings%': 0,
66
67    # Set to 1 to enable DCHECKs in release builds.
68    'dcheck_always_on%': 0,
69
70    # Enable/disable JavaScript API accessors.
71    'v8_js_accessors%': 0,
72  },
73  'target_defaults': {
74    'conditions': [
75      ['v8_enable_disassembler==1', {
76        'defines': ['ENABLE_DISASSEMBLER',],
77      }],
78      ['v8_enable_gdbjit==1', {
79        'defines': ['ENABLE_GDB_JIT_INTERFACE',],
80      }],
81      ['v8_object_print==1', {
82        'defines': ['OBJECT_PRINT',],
83      }],
84      ['v8_enable_verify_heap==1', {
85        'defines': ['VERIFY_HEAP',],
86      }],
87      ['v8_trace_maps==1', {
88        'defines': ['TRACE_MAPS',],
89      }],
90      ['v8_enable_verify_predictable==1', {
91        'defines': ['VERIFY_PREDICTABLE',],
92      }],
93      ['v8_interpreted_regexp==1', {
94        'defines': ['V8_INTERPRETED_REGEXP',],
95      }],
96      ['v8_deprecation_warnings==1', {
97        'defines': ['V8_DEPRECATION_WARNINGS',],
98      }],
99      ['v8_imminent_deprecation_warnings==1', {
100        'defines': ['V8_IMMINENT_DEPRECATION_WARNINGS',],
101      }],
102      ['v8_enable_i18n_support==1', {
103        'defines': ['V8_I18N_SUPPORT',],
104      }],
105      ['v8_use_snapshot=="true" and v8_use_external_startup_data==1', {
106        'defines': ['V8_USE_EXTERNAL_STARTUP_DATA',],
107      }],
108      ['dcheck_always_on!=0', {
109        'defines': ['DEBUG',],
110      }],
111    ],  # conditions
112    'configurations': {
113      'DebugBaseCommon': {
114        'abstract': 1,
115        'variables': {
116          'v8_enable_handle_zapping%': 1,
117        },
118        'conditions': [
119          ['v8_enable_handle_zapping==1', {
120            'defines': ['ENABLE_HANDLE_ZAPPING',],
121          }],
122        ],
123      },  # Debug
124      'Release': {
125        'variables': {
126          'v8_enable_handle_zapping%': 0,
127        },
128        'conditions': [
129          ['v8_enable_handle_zapping==1', {
130            'defines': ['ENABLE_HANDLE_ZAPPING',],
131          }],
132        ],  # conditions
133      },  # Release
134    },  # configurations
135  },  # target_defaults
136}
137