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[gecko.git] / js / ffi.configure
blobc288c6b4f40405dec4bcf29a79081b9ebaa095a7
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 @depends(target)
9 def force_system_ffi(target):
10     # Pre-emptively move to system ffi for non-tier one platforms.
11     if target.cpu not in ("x86", "x86_64", "arm", "aarch64"):
12         return True
15 imply_option("--with-system-ffi", force_system_ffi, "target")
17 system_lib_option(
18     "--with-system-ffi",
19     help="Use system libffi (located with pkgconfig)",
20     when=use_pkg_config,
23 use_system_ffi = depends_if("--with-system-ffi", when=use_pkg_config)(lambda _: True)
25 system_ffi = pkg_check_modules("MOZ_FFI", "libffi > 3.0.9", when=use_system_ffi)
27 building_ffi = depends(system_ffi)(lambda v: v is None)
29 set_config("MOZ_SYSTEM_FFI", depends_if(system_ffi)(lambda _: True))
32 # Target selection, based on ffi/configure.ac.
33 @depends(target, when=building_ffi)
34 def ffi_target(target):
35     if target.cpu not in ("x86", "x86_64", "arm", "aarch64"):
36         die(
37             "Building libffi from the tree is not supported on this platform. "
38             "Use --with-system-ffi instead."
39         )
41     if target.cpu == "x86_64":
42         target_dir = "x86"
43         target_name = {
44             "WINNT": "X86_WIN64",
45         }.get(target.kernel, "X86_64")
47     elif target.cpu == "x86":
48         target_dir = "x86"
49         target_name = {
50             "WINNT": "X86_WIN32",
51             "Darwin": "X86_DARWIN",
52             "FreeBSD": "X86_FREEBSD",
53             "OpenBSD": "X86_FREEBSD",
54         }.get(target.kernel, "X86")
56     elif target.cpu == "aarch64":
57         target_dir = "aarch64"
58         target_name = {
59             "WINNT": "ARM_WIN64",
60         }.get(target.kernel, "AARCH64")
62     elif target.cpu == "arm":
63         target_dir = "arm"
64         target_name = "ARM"
66     return namespace(name=target_name, dir=target_dir)
69 set_config("FFI_TARGET", ffi_target.name)
70 set_config("FFI_TARGET_DIR", ffi_target.dir)