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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
option(env='MOZ_JEMALLOC4', help='Enable jemalloc 4')
imply_option('--enable-jemalloc', depends_if('MOZ_JEMALLOC4')(lambda x: '4'))
option('--enable-jemalloc', nargs='?', choices=('4', 'moz'), env='MOZ_MEMORY',
help='Replace memory allocator with jemalloc')
@depends('--enable-jemalloc', target, build_project, c_compiler)
def jemalloc(value, target, build_project, c_compiler):
if value.origin != 'default':
return bool(value) or None
if build_project == 'js':
return True
if target.kernel == 'Darwin' and target.cpu == 'x86_64':
# Don't enable by default on 32-bits OSX. See bug 702250.
return True
if target.kernel == 'WINNT' and c_compiler.type in ('msvc', 'clang-cl'):
return True
if target.kernel == 'Linux':
return True
@depends('--enable-jemalloc')
def jemalloc4(jemalloc):
if len(jemalloc) and jemalloc[0] == '4':
return True
set_config('MOZ_MEMORY', jemalloc)
set_define('MOZ_MEMORY', jemalloc)
add_old_configure_assignment('MOZ_MEMORY', jemalloc)
set_config('MOZ_JEMALLOC4', jemalloc4)
set_define('MOZ_JEMALLOC4', jemalloc4)
add_old_configure_assignment('MOZ_JEMALLOC4', jemalloc4)
# Because --enable-jemalloc doesn't use a default because of the dependency
# on the target, we can't use a js_option for it to propagate to js/src
# through the old-configure.
@depends(jemalloc, jemalloc4)
def jemalloc_for_old_configure(jemalloc, jemalloc4):
if jemalloc:
return '--enable-jemalloc=4' if jemalloc4 else '--enable-jemalloc'
return '--disable-jemalloc'
add_old_configure_arg(jemalloc_for_old_configure)
@depends(jemalloc, jemalloc4, target)
def jemalloc_os_define(jemalloc, jemalloc4, target):
if jemalloc and not jemalloc4:
if target.kernel == 'WINNT':
return 'MOZ_MEMORY_WINDOWS'
if target.kernel == 'Linux':
return 'MOZ_MEMORY_LINUX'
if target.kernel == 'Darwin':
return 'MOZ_MEMORY_DARWIN'
if target.kernel in ('kFreeBSD', 'FreeBSD', 'NetBSD'):
return 'MOZ_MEMORY_BSD'
die('--enable-jemalloc is not supported on %s', target.kernel)
set_define(jemalloc_os_define, '1')
@depends(jemalloc, jemalloc4, target)
def jemalloc_os_define_android(jemalloc, jemalloc4, target):
if jemalloc and not jemalloc4 and target.os == 'Android':
return 'MOZ_MEMORY_ANDROID'
set_define(jemalloc_os_define_android, '1')
option('--enable-replace-malloc',
help='Enable ability to dynamically replace the malloc implementation')
@depends('--enable-replace-malloc', jemalloc, milestone, build_project)
def replace_malloc(value, jemalloc, milestone, build_project):
# Enable on central for the debugging opportunities it adds.
if value and not jemalloc:
die('--enable-replace-malloc requires --enable-jemalloc')
if value.origin != 'default':
return bool(value) or None
if milestone.is_nightly and jemalloc and build_project != 'js':
return True
set_config('MOZ_REPLACE_MALLOC', replace_malloc)
set_define('MOZ_REPLACE_MALLOC', replace_malloc)
add_old_configure_assignment('MOZ_REPLACE_MALLOC', replace_malloc)
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