kc3-lang/angle/build_overrides/build.gni

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• Hash : d193d51b
  Author :
  Date : 2024-06-17T22:46:08
  

  Replace issue ids post migration to new issue tracker
  
  This change replaces anglebug.com/NNNN links.
  
  Bug: None
  Change-Id: I8ac3aec8d2a8a844b3d7b99fc0a6b2be8da31761
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5637912
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• build_overrides/build.gni

• # Copyright 2017 The ANGLE Project Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  declare_args() {
    build_with_chromium = false
    ignore_elf32_limitations = true
  
    use_system_xcode = ""
  
    # If true, it assumes that //third_party/abseil-cpp is an available
    # dependency for googletest.
    gtest_enable_absl_printers = false
  
    # Set to default here so that it can be set via gn args
    use_cxx17 = false
  }
  
  if (host_os == "mac" && use_system_xcode == "") {
    _result = exec_script("//build/mac/should_use_hermetic_xcode.py",
                          [ target_os ],
                          "value")
  
    assert(_result != 2,
           "Do not allow building targets with the default" +
               "hermetic toolchain if the minimum OS version is not met.")
    assert(_result != 3,
           "iOS does not support building with a hermetic toolchain. " +
               "Please install Xcode.")
  
    use_system_xcode = _result != 1
  }
  
  enable_java_templates = true
  
  # Build with fewer Android dependencies
  limit_android_deps = true
  
  # Standalone ANGLE is used in places that are extremely performance sensitive,
  # such as the system graphics driver on Android. ANGLE validates arguments at
  # the API boundary and assumes that all bounds, et cetera are valid elsewhere
  # in internal code.
  #
  # Unfortunately, this means the compiler cannot optimize out the vast majority
  # of hardening checks. To ensure performance remains competitive, drop the
  # libc++ hardening checks, since ANGLE already makes no security guarantees in
  # these situations.
  if (is_win) {
    # TODO(https://crbug.com/1418717): ANGLE uses Chromium's abseil-cpp directory.
    # Since Abseil does not mark symbols as exported, Chromium uses an alternate
    # approach to scrape the symbols that need to be exported and generates .def
    # files that the ANGLE build reuses.
    #
    # However, these symbol names include libc++ types, and libc++ hardening
    # affects ABI, so ANGLE and Chromium's libc++ hardening modes need to remain
    # in sync on Windows. This is a bit of a hack but "OK" since the performance
    # concerns for standalone ANGLE builds are not relevant on Windows.
    enable_safe_libcxx = true
  } else if (is_linux) {
    # https://anglebug.com/40096878: turning off safe_libcxx breaks TSAN
    enable_safe_libcxx = true
  } else {
    enable_safe_libcxx = false
  }
  

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