67 строки
2.2 KiB
Plaintext
67 строки
2.2 KiB
Plaintext
# 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/fuchsia/config.gni")
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import("//build/config/fuchsia/generate_runner_scripts.gni")
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import("//build/config/sysroot.gni")
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assert(is_fuchsia)
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assert(!is_posix)
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config("compiler") {
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sdk_version_file = "${fuchsia_sdk}/.hash"
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sdk_version = read_file(sdk_version_file, "trim string")
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defines = [
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# To force full builds after SDK updates in case of ABI changes.
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"FUCHSIA_SDK_VERSION=$sdk_version",
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]
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cflags = []
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ldflags = []
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if (current_cpu == "arm64") {
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cflags += [ "--target=aarch64-fuchsia" ]
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ldflags += [ "--target=aarch64-fuchsia" ]
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} else if (current_cpu == "x64") {
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cflags += [ "--target=x86_64-fuchsia" ]
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ldflags += [ "--target=x86_64-fuchsia" ]
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} else {
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assert(false, "Unsupported architecture")
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}
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asmflags = cflags
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ldflags += [
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# The stack defaults to 256k on Fuchsia (see
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# https://fuchsia.googlesource.com/zircon/+/master/system/private/zircon/stack.h#9),
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# but on other platforms it's much higher, so a variety of code assumes more
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# will be available. Raise to 8M which matches e.g. macOS.
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"-Wl,-z,stack-size=0x800000",
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# We always want fdio or else e.g. stdio wouldn't be initialized if fdio
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# happens to not be directly referenced. The common POSIX-y compiler setup
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# uses -Wl,--as-needed which drops it if it's simply "-lfdio" from a libs
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# setting. Disable --as-needed, add fdio, and then set back to --as-needed.
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# https://crbug.com/731217.
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"-Wl,--no-as-needed",
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"-lfdio",
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"-Wl,--as-needed",
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]
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# Add SDK lib dir for -lfdio above.
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lib_dirs = [ "${fuchsia_sdk}/arch/${current_cpu}/lib" ]
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# TODO(crbug.com/821951): Clang enables SafeStack by default when targeting
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# Fuchsia, but it breaks some tests, notably in V8.
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# Force the toolchain to use shadow-call-stack instead, until that is default.
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cflags += [
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"-fno-sanitize=safe-stack",
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"-fsanitize=shadow-call-stack",
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]
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libs = [ "zircon" ]
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}
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# Settings for executables.
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config("executable_config") {
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ldflags = [ "-pie" ]
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}
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