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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# 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/.
@depends(target)
def force_system_ffi(target):
# Pre-emptively move to system ffi for non-tier one platforms.
if target.cpu not in ('x86', 'x86_64', 'arm', 'aarch64'):
return True
imply_option('--with-system-ffi', force_system_ffi, "target")
js_option('--with-system-ffi',
help='Use system libffi (located with pkgconfig)')
use_system_ffi = depends_if('--with-system-ffi')(lambda _: True)
system_ffi = pkg_check_modules('MOZ_FFI', 'libffi > 3.0.9',
when=use_system_ffi)
building_ffi = depends(system_ffi)(lambda v: v is None)
set_config('MOZ_SYSTEM_FFI', depends_if(system_ffi)(lambda _: True))
add_old_configure_assignment('MOZ_SYSTEM_FFI', depends_if(system_ffi)(lambda _: True))
# Target selection, based on ffi/configure.ac.
@depends_when(target, when=building_ffi)
def ffi_target(target):
if target.cpu not in ('x86', 'x86_64', 'arm', 'aarch64'):
die('Building libffi from the tree is not supported on this platform. '
'Use --with-system-ffi instead.')
if target.os == 'WINNT':
target_dir = 'x86'
if target.cpu == 'x86_64':
target_name = 'X86_WIN64'
else:
target_name = 'X86_WIN32'
elif target.os == 'OSX':
target_dir = 'x86'
target_name = 'X86_DARWIN'
elif target.cpu == 'arm':
target_dir = 'arm'
target_name = 'ARM'
elif target.cpu == 'aarch64':
target_dir = 'aarch64'
target_name = 'AARCH64'
else:
target_dir = 'x86'
target_name = target.cpu.upper()
return namespace(
name=target_name,
dir=target_dir
)
set_config('FFI_TARGET', delayed_getattr(ffi_target, 'name'))
set_config('FFI_TARGET_DIR', delayed_getattr(ffi_target, 'dir'))
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