1 # -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
2 # vim: set filetype=python:
3 # This Source Code Form is subject to the terms of the Mozilla Public
4 # License, v. 2.0. If a copy of the MPL was not distributed with this
5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 def force_system_ffi(target):
9 # Pre-emptively move to system ffi for non-tier one platforms.
10 if target.cpu not in ('x86', 'x86_64', 'arm', 'aarch64'):
13 imply_option('--with-system-ffi', force_system_ffi, "target")
15 js_option('--with-system-ffi',
16 help='Use system libffi (located with pkgconfig)')
18 use_system_ffi = depends_if('--with-system-ffi')(lambda _: True)
20 system_ffi = pkg_check_modules('MOZ_FFI', 'libffi > 3.0.9',
23 building_ffi = depends(system_ffi)(lambda v: v is None)
25 set_config('MOZ_SYSTEM_FFI', depends_if(system_ffi)(lambda _: True))
27 # Target selection, based on ffi/configure.ac.
28 @depends(target, when=building_ffi)
29 def ffi_target(target):
30 if target.cpu not in ('x86', 'x86_64', 'arm', 'aarch64'):
31 die('Building libffi from the tree is not supported on this platform. '
32 'Use --with-system-ffi instead.')
34 if target.os == 'WINNT':
35 target_dir, target_name = {
36 'x86_64': ('x86', 'X86_WIN64'),
37 'x86': ('x86', 'X86_WIN32'),
38 'aarch64': ('aarch64', 'ARM64_WIN64'),
40 elif target.os == 'OSX':
42 target_name = 'X86_DARWIN'
43 elif target.cpu == 'arm':
46 elif target.cpu == 'aarch64':
47 target_dir = 'aarch64'
48 target_name = 'AARCH64'
51 target_name = target.cpu.upper()
58 set_config('FFI_TARGET', ffi_target.name)
59 set_config('FFI_TARGET_DIR', ffi_target.dir)