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/.
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"):
15 imply_option("--with-system-ffi", force_system_ffi, "target")
18 "--with-system-ffi", help="Use system libffi (located with pkgconfig)"
21 use_system_ffi = depends_if("--with-system-ffi")(lambda _: True)
23 system_ffi = pkg_check_modules("MOZ_FFI", "libffi > 3.0.9", when=use_system_ffi)
25 building_ffi = depends(system_ffi)(lambda v: v is None)
27 set_config("MOZ_SYSTEM_FFI", depends_if(system_ffi)(lambda _: True))
29 # Target selection, based on ffi/configure.ac.
30 @depends(target, when=building_ffi)
31 def ffi_target(target):
32 if target.cpu not in ("x86", "x86_64", "arm", "aarch64"):
34 "Building libffi from the tree is not supported on this platform. "
35 "Use --with-system-ffi instead."
38 if target.cpu == "x86_64":
42 }.get(target.kernel, "X86_64")
44 elif target.cpu == "x86":
48 "Darwin": "X86_DARWIN",
49 "FreeBSD": "X86_FREEBSD",
50 "OpenBSD": "X86_FREEBSD",
51 }.get(target.kernel, "X86")
53 elif target.cpu == "aarch64":
54 target_dir = "aarch64"
57 }.get(target.kernel, "AARCH64")
59 elif target.cpu == "arm":
63 return namespace(name=target_name, dir=target_dir)
66 set_config("FFI_TARGET", ffi_target.name)
67 set_config("FFI_TARGET_DIR", ffi_target.dir)