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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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")
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))
# Target selection, based on ffi/configure.ac.
@depends(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.cpu == "x86_64":
target_dir = "x86"
target_name = {
"WINNT": "X86_WIN64",
}.get(target.kernel, "X86_64")
elif target.cpu == "x86":
target_dir = "x86"
target_name = {
"WINNT": "X86_WIN32",
"Darwin": "X86_DARWIN",
"FreeBSD": "X86_FREEBSD",
"OpenBSD": "X86_FREEBSD",
}.get(target.kernel, "X86")
elif target.cpu == "aarch64":
target_dir = "aarch64"
target_name = {
"WINNT": "ARM_WIN64",
}.get(target.kernel, "AARCH64")
elif target.cpu == "arm":
target_dir = "arm"
target_name = "ARM"
return namespace(name=target_name, dir=target_dir)
set_config("FFI_TARGET", ffi_target.name)
set_config("FFI_TARGET_DIR", ffi_target.dir)
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