src/utils/BUILD.gn

# Copyright 2024 The Dawn & Tint Authors
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from
#    this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

###############################################################################
# Utils library
###############################################################################

import("../../scripts/dawn_overrides_with_defaults.gni")

import("//build_overrides/build.gni")
import("${dawn_root}/scripts/dawn_nocompile.gni")

# Use Chromium's dcheck_always_on when available so that we respect it when
# running tests on the GPU builders
if (build_with_chromium) {
  import("//build/config/dcheck_always_on.gni")
} else {
  dcheck_always_on = false
}

if (build_with_chromium) {
  import("//build/config/sanitizers/sanitizers.gni")
} else {
  use_fuzzing_engine = false
}

config("internal_config") {
  include_dirs = [ "${dawn_root}" ]

  defines = []

  if (dawn_always_assert || dcheck_always_on || is_debug ||
      use_fuzzing_engine) {
    defines += [ "DAWN_ENABLE_ASSERTS" ]
  }

  if (build_with_chromium || use_fuzzing_engine) {
    # Does a hard abort when an assertion fails so that fuzzers catch and parse
    # the failure. Also call abort() so chrome can dump crash stack in console.
    defines += [ "DAWN_ABORT_ON_ASSERT" ]
  }

  if (use_fuzzing_engine) {
    # Disable logging to make fuzzing more efficient.
    defines += [ "DAWN_DISABLE_LOGGING" ]
  }
}

static_library("utils") {
  sources = [
    "assert.cc",
    "assert.h",
    "compiler.h",
    "force_crash.h",
    "log.cc",
    "log.h",
    "non_copyable.h",
    "non_movable.h",
    "numeric.h",
    "placeholder.cc",
    "platform.h",
    "typed_integer.h",
    "underlying_type.h",
  ]

  if (is_win) {
    sources += [ "windows_with_undefs.h" ]
  }

  public_configs = [ ":internal_config" ]
}

dawn_nocompile_source_set("nocompile_sources") {
  deps = [ ":utils" ]
  sources = [
    "numeric_nocompile.nc",
    "typed_integer_nocompile.nc",
  ]
}

# Included in dawn_unittests.
source_set("unittests") {
  testonly = true

  deps = [
    ":gmock_and_gtest",
    ":nocompile_sources",
    ":utils",
  ]

  sources = [
    "assert_test.cc",
    "numeric_test.cc",
    "typed_integer_tests.cc",
    "underlying_type_tests.cc",
  ]
}

###############################################################################
# Gtest Gmock - Handle building inside and outside of Chromium.
###############################################################################

# When building outside of Chromium we need to define our own targets for GTest
# and GMock. However when compiling inside of Chromium we need to reuse the
# existing targets, both because Chromium has a special harness for swarming
# and because otherwise the "gn check" fails.

if (build_with_chromium) {
  # When we are in Chromium we reuse its targets, and also add some deps that
  # are needed to launch the test in swarming mode.
  group("gmock_and_gtest") {
    testonly = true
    public_deps = [
      "//base",
      "//base/test:test_support",
      "//testing/gmock",
      "//testing/gtest",
    ]
  }
} else {
  # When we aren't in Chromium we define out own targets based on the location
  # of the googletest repo.
  googletest_dir = dawn_googletest_dir

  config("gtest_config") {
    include_dirs = [
      "${googletest_dir}/googletest",
      "${googletest_dir}/googletest/include",
    ]
  }

  static_library("gtest") {
    testonly = true
    sources = [ "${googletest_dir}/googletest/src/gtest-all.cc" ]
    public_configs = [ ":gtest_config" ]
  }

  config("gmock_config") {
    include_dirs = [
      "${googletest_dir}/googlemock",
      "${googletest_dir}/googlemock/include",
      "${googletest_dir}/googletest/include",
    ]
    if (dawn_standalone && is_clang) {
      cflags = [
        # gmock emits deprecated-copy-dtor warnings when using
        # ::testing::Combine
        "-Wno-deprecated-copy-dtor",
      ]
    }
  }

  static_library("gmock") {
    testonly = true
    sources = [ "${googletest_dir}/googlemock/src/gmock-all.cc" ]
    public_configs = [ ":gmock_config" ]
  }

  group("gmock_and_gtest") {
    testonly = true
    public_deps = [
      ":gmock",
      ":gtest",
    ]
  }

  static_library("gmock_main") {
    testonly = true
    sources = [ "${googletest_dir}/googlemock/src/gmock_main.cc" ]
    public_deps = [ ":gmock_and_gtest" ]
  }
}