36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
# Copyright 2017 The Chromium Authors
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import("//build/config/chromecast_build.gni")
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import("//build/config/gclient_args.gni")
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# The NaCl sandbox and toolchain currently only support x86-32, x86-64
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# and ARM32.
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#
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# The NaCl sandbox itself supports MIPS32, but the Clang toolchain
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# support for that is no longer up-to-date, so we don't include that
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# in the list of CPU architectures to enable NaCl on.
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#
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# NaCl is also supported on ARM64 Chrome OS, where the ARM32 NaCl
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# sandbox is used.
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# NaCl works on non-Chrome-OS ARM64 Linux, but we don't enable it by default in
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# that case.
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_cpu_is_supported =
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target_cpu == "x86" || target_cpu == "x64" || target_cpu == "arm" ||
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(target_cpu == "arm64" && target_os == "chromeos")
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declare_args() {
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# Enables Native Client support.
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#
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# Intentionally and permanently disable nacl on arm64 mac.
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enable_nacl =
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checkout_nacl && _cpu_is_supported && target_os != "ios" && !is_android &&
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!is_fuchsia && !is_castos && !(is_win && host_os != "win") &&
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!(is_mac && (host_os != "mac" || target_cpu != "x64"))
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}
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assert(!(is_win && host_os != "win") || !enable_nacl,
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"NaCl doesn't work in win cross builds, crbug.com/774186")
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assert(!enable_nacl || checkout_nacl)
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