ffi.configure (2107B)
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/. 6 7 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 13 14 15 imply_option("--with-system-ffi", force_system_ffi, "target") 16 17 system_lib_option( 18 "--with-system-ffi", 19 help="Use system libffi (located with pkgconfig)", 20 when=use_pkg_config, 21 ) 22 23 use_system_ffi = depends_if("--with-system-ffi", when=use_pkg_config)(lambda _: True) 24 25 system_ffi = pkg_check_modules("MOZ_FFI", "libffi > 3.0.9", when=use_system_ffi) 26 27 building_ffi = depends(system_ffi)(lambda v: v is None) 28 29 set_config("MOZ_SYSTEM_FFI", depends_if(system_ffi)(lambda _: True)) 30 31 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 ) 40 41 if target.cpu == "x86_64": 42 target_dir = "x86" 43 target_name = { 44 "WINNT": "X86_WIN64", 45 }.get(target.kernel, "X86_64") 46 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") 55 56 elif target.cpu == "aarch64": 57 target_dir = "aarch64" 58 target_name = { 59 "WINNT": "ARM_WIN64", 60 }.get(target.kernel, "AARCH64") 61 62 elif target.cpu == "arm": 63 target_dir = "arm" 64 target_name = "ARM" 65 66 return namespace(name=target_name, dir=target_dir) 67 68 69 set_config("FFI_TARGET", ffi_target.name) 70 set_config("FFI_TARGET_DIR", ffi_target.dir)