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38 lines
1.6 KiB
Plaintext
38 lines
1.6 KiB
Plaintext
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# Copyright 2017 The Chromium Authors. All rights reserved.
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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/sanitizers/sanitizers.gni")
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declare_args() {
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# Use libc++ (buildtools/third_party/libc++ and
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# buildtools/third_party/libc++abi) instead of stdlibc++ as standard
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# library.
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# Don't check in changes that set this to false for more platforms; doing so
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# is not supported.
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use_custom_libcxx =
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is_msan || is_fuchsia ||
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(is_linux &&
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(!is_chromeos || default_toolchain != "//build/toolchain/cros:target"))
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# Use libc++ instead of stdlibc++ when using the host_cpu toolchain, even if
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# use_custom_libcxx is false. This is useful for cross-compiles where a custom
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# toolchain for the target_cpu has been set as the default toolchain, but
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# use_custom_libcxx should still be true when building for the host. The
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# expected usage is to set use_custom_libcxx=false and
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# use_custom_libcxx_for_host=true in the passed in buildargs.
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use_custom_libcxx_for_host = false
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}
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use_custom_libcxx =
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use_custom_libcxx || (use_custom_libcxx_for_host && current_cpu == host_cpu)
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use_custom_libcxx = use_custom_libcxx && !is_nacl
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# libc++abi needs to be exported from executables to be picked up by shared
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# libraries on certian instrumented builds.
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export_libcxxabi_from_executables =
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use_custom_libcxx && !is_component_build && (is_asan || is_ubsan_vptr)
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libcxx_prefix = "//buildtools/third_party/libc++/trunk"
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libcxxabi_prefix = "//buildtools/third_party/libc++abi/trunk"
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