| # Copyright 2017 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import("//build/config/fuchsia/config.gni") |
| import("//build/config/fuchsia/generate_runner_scripts.gni") |
| import("//build/config/sysroot.gni") |
| |
| assert(is_fuchsia) |
| assert(!is_posix) |
| |
| config("compiler") { |
| sdk_version_file = "${fuchsia_sdk}/.hash" |
| sdk_version = read_file(sdk_version_file, "trim string") |
| defines = [ |
| # To force full builds after SDK updates in case of ABI changes. |
| "FUCHSIA_SDK_VERSION=$sdk_version", |
| ] |
| cflags = [] |
| ldflags = [] |
| if (current_cpu == "arm64") { |
| cflags += [ "--target=aarch64-fuchsia" ] |
| ldflags += [ "--target=aarch64-fuchsia" ] |
| } else if (current_cpu == "x64") { |
| cflags += [ "--target=x86_64-fuchsia" ] |
| ldflags += [ "--target=x86_64-fuchsia" ] |
| } else { |
| assert(false, "Unsupported architecture") |
| } |
| asmflags = cflags |
| |
| ldflags += [ |
| # The stack defaults to 256k on Fuchsia (see |
| # https://fuchsia.googlesource.com/zircon/+/master/system/private/zircon/stack.h#9), |
| # but on other platforms it's much higher, so a variety of code assumes more |
| # will be available. Raise to 8M which matches e.g. macOS. |
| "-Wl,-z,stack-size=0x800000", |
| |
| # We always want fdio or else e.g. stdio wouldn't be initialized if fdio |
| # happens to not be directly referenced. The common POSIX-y compiler setup |
| # uses -Wl,--as-needed which drops it if it's simply "-lfdio" from a libs |
| # setting. Disable --as-needed, add fdio, and then set back to --as-needed. |
| # https://crbug.com/731217. |
| "-Wl,--no-as-needed", |
| "-lfdio", |
| "-Wl,--as-needed", |
| ] |
| |
| # Add SDK lib dir for -lfdio above. |
| lib_dirs = [ "${fuchsia_sdk}/arch/${current_cpu}/lib" ] |
| |
| # TODO(crbug.com/821951): Clang enables SafeStack by default when targeting |
| # Fuchsia, but it breaks some tests, notably in V8. |
| cflags += [ "-fno-sanitize=safe-stack" ] |
| |
| libs = [ "zircon" ] |
| } |
| |
| # Settings for executables. |
| config("executable_config") { |
| ldflags = [ "-pie" ] |
| } |