ba9f391bc0
[Retry of crrev.com/293993021, which caused problems with 'ninja all' in Chromium. First patch set if a clean apply of crrev.com/293993021. Subsequent sets are the actual fix for that issue.] If the embedder chooses, the 'natives' (library sources) and the precompiled startup blob can be written to files during the build process and handed over to V8 at startup. The main purpose would be to reduce the size of the compiled binary for space constrained platforms. The build-time option is off by default. Nothing should change if it's not enabled. BUG= R=jochen@chromium.org Review URL: https://codereview.chromium.org/315033002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21696 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
133 lines
4.6 KiB
Python
133 lines
4.6 KiB
Python
# Copyright 2013 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Compile time controlled V8 features.
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{
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'variables': {
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'v8_compress_startup_data%': 'off',
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'v8_enable_disassembler%': 0,
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'v8_enable_gdbjit%': 0,
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'v8_object_print%': 0,
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'v8_enable_verify_heap%': 0,
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'v8_use_snapshot%': 'true',
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# With post mortem support enabled, metadata is embedded into libv8 that
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# describes various parameters of the VM for use by debuggers. See
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# tools/gen-postmortem-metadata.py for details.
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'v8_postmortem_support%': 'false',
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# Interpreted regexp engine exists as platform-independent alternative
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# based where the regular expression is compiled to a bytecode.
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'v8_interpreted_regexp%': 0,
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# Enable ECMAScript Internationalization API. Enabling this feature will
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# add a dependency on the ICU library.
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'v8_enable_i18n_support%': 1,
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# Enable compiler warnings when using V8_DEPRECATED apis.
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'v8_deprecation_warnings%': 0,
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# Use the v8 provided v8::Platform implementation.
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'v8_use_default_platform%': 1,
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# Use external files for startup data blobs:
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# the JS builtins sources and the start snapshot.
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'v8_use_external_startup_data%': 0,
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},
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'target_defaults': {
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'conditions': [
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['v8_enable_disassembler==1', {
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'defines': ['ENABLE_DISASSEMBLER',],
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}],
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['v8_enable_gdbjit==1', {
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'defines': ['ENABLE_GDB_JIT_INTERFACE',],
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}],
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['v8_object_print==1', {
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'defines': ['OBJECT_PRINT',],
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}],
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['v8_enable_verify_heap==1', {
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'defines': ['VERIFY_HEAP',],
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}],
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['v8_interpreted_regexp==1', {
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'defines': ['V8_INTERPRETED_REGEXP',],
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}],
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['v8_deprecation_warnings==1', {
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'defines': ['V8_DEPRECATION_WARNINGS',],
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}],
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['v8_enable_i18n_support==1', {
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'defines': ['V8_I18N_SUPPORT',],
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}],
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['v8_use_default_platform==1', {
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'defines': ['V8_USE_DEFAULT_PLATFORM',],
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}],
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['v8_compress_startup_data=="bz2"', {
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'defines': ['COMPRESS_STARTUP_DATA_BZ2',],
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}],
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['v8_use_external_startup_data==1', {
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'defines': ['V8_USE_EXTERNAL_STARTUP_DATA',],
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}],
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], # conditions
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'configurations': {
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'DebugBaseCommon': {
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'abstract': 1,
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'variables': {
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'v8_enable_extra_checks%': 1,
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'v8_enable_handle_zapping%': 1,
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},
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'conditions': [
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['v8_enable_extra_checks==1', {
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'defines': ['ENABLE_EXTRA_CHECKS',],
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}],
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['v8_enable_handle_zapping==1', {
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'defines': ['ENABLE_HANDLE_ZAPPING',],
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}],
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],
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}, # Debug
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'Release': {
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'variables': {
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'v8_enable_extra_checks%': 0,
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'v8_enable_handle_zapping%': 1,
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},
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'conditions': [
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['v8_enable_extra_checks==1', {
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'defines': ['ENABLE_EXTRA_CHECKS',],
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}],
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['v8_enable_handle_zapping==1', {
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'defines': ['ENABLE_HANDLE_ZAPPING',],
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}],
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], # conditions
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}, # Release
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}, # configurations
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}, # target_defaults
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}
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