зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
3.2 KiB
Python
83 строки
3.2 KiB
Python
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
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# vim: set filetype=python:
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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@depends(target)
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def jemalloc_default(target):
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return target.kernel in ('Darwin', 'Linux', 'WINNT')
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js_option('--enable-jemalloc', env='MOZ_MEMORY', default=jemalloc_default,
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help='{Replace|Do not replace} memory allocator with jemalloc')
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set_config('MOZ_MEMORY', True, when='--enable-jemalloc')
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set_define('MOZ_MEMORY', True, when='--enable-jemalloc')
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add_old_configure_assignment('MOZ_MEMORY', True, when='--enable-jemalloc')
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@depends(milestone, build_project)
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def replace_malloc_default(milestone, build_project):
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if build_project == 'memory':
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return True
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if milestone.is_early_beta_or_earlier and build_project != 'js':
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return True
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js_option('--enable-replace-malloc', default=replace_malloc_default,
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when='--enable-jemalloc',
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help='{Enable|Disable} ability to dynamically replace the malloc implementation')
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set_config('MOZ_REPLACE_MALLOC', True, when='--enable-replace-malloc')
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set_define('MOZ_REPLACE_MALLOC', True, when='--enable-replace-malloc')
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@depends(build_project, when='--enable-replace-malloc')
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def replace_malloc_static(build_project):
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# Default to statically linking replace-malloc libraries that can be
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# statically linked, except when building with --enable-project=memory.
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if build_project != 'memory':
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return True
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set_config('MOZ_REPLACE_MALLOC_STATIC', replace_malloc_static)
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# PHC (Probabilistic Heap Checker)
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# ==============================================================
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# In general, it only makes sense for PHC to run on the platforms that have a
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# crash reporter.
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@depends(milestone, target, replace_malloc_default, '--enable-replace-malloc',
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when='--enable-jemalloc')
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def phc_default(milestone, target, replace_malloc_default, replace_malloc):
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if not replace_malloc_default or \
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(replace_malloc.origin != 'default' and not replace_malloc):
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return False
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# Nightly or early beta only because PHC has a non-negligible performance cost.
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if not milestone.is_early_beta_or_earlier:
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return False
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# Both Linux32 and Win32 have frequent crashes when stack tracing (for
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# unclear reasons), so PHC is enabled only on 64-bit only in both cases.
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#
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# XXX: PHC is implemented but not yet enabled on Mac. Bug 1576515 is about
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# enabling it on Mac, but it is blocked by bug 1035892.
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return (target.os == 'GNU' and target.kernel == 'Linux' and
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target.bitness == 64) or \
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(target.kernel == 'WINNT' and target.bitness == 64)
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option('--enable-phc', env='MOZ_PHC', default=phc_default,
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when='--enable-jemalloc',
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help='{Enable|Disable} PHC (Probabilistic Memory Checker). '
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'Also enables replace-malloc and frame pointers')
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imply_option('--enable-replace-malloc', True, when='--enable-phc')
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imply_option('--enable-frame-pointers', True, when='--enable-phc')
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set_config('MOZ_PHC', True, when='--enable-phc')
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