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# -*- 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 force_system_ffi(target):
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# Pre-emptively move to system ffi for non-tier one platforms.
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if target.cpu not in ('x86', 'x86_64', 'arm', 'aarch64'):
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return True
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imply_option('--with-system-ffi', force_system_ffi, "target")
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js_option('--with-system-ffi',
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help='Use system libffi (located with pkgconfig)')
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use_system_ffi = depends_if('--with-system-ffi')(lambda _: True)
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system_ffi = pkg_check_modules('MOZ_FFI', 'libffi > 3.0.9',
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when=use_system_ffi)
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building_ffi = depends(system_ffi)(lambda v: v is None)
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set_config('MOZ_SYSTEM_FFI', depends_if(system_ffi)(lambda _: True))
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# Target selection, based on ffi/configure.ac.
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@depends(target, when=building_ffi)
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def ffi_target(target):
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if target.cpu not in ('x86', 'x86_64', 'arm', 'aarch64'):
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die('Building libffi from the tree is not supported on this platform. '
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'Use --with-system-ffi instead.')
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if target.os == 'WINNT':
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target_dir, target_name = {
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'x86_64': ('x86', 'X86_WIN64'),
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'x86': ('x86', 'X86_WIN32'),
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'aarch64': ('aarch64', 'ARM64_WIN64'),
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}[target.cpu]
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elif target.os == 'OSX':
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target_dir = 'x86'
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target_name = 'X86_DARWIN'
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elif target.cpu == 'arm':
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target_dir = 'arm'
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target_name = 'ARM'
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elif target.cpu == 'aarch64':
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target_dir = 'aarch64'
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target_name = 'AARCH64'
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else:
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target_dir = 'x86'
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target_name = target.cpu.upper()
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return namespace(
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name=target_name,
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dir=target_dir
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)
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set_config('FFI_TARGET', ffi_target.name)
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set_config('FFI_TARGET_DIR', ffi_target.dir)