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# 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_overrides/build.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//third_party/libprotobuf-mutator/fuzzable_proto_library.gni")

config("include_config") {
  include_dirs = [
    "src/",
    "//",
  ]
  cflags_cc = [ "-Wno-exit-time-destructors" ]
}

source_set("libprotobuf-mutator") {
  testonly = true

  configs += [ ":include_config" ]
  public_configs = [ ":include_config" ]
  sources = [
    "src/src/binary_format.cc",
    "src/src/libfuzzer/libfuzzer_macro.cc",
    "src/src/libfuzzer/libfuzzer_mutator.cc",
    "src/src/mutator.cc",
    "src/src/text_format.cc",
    "src/src/utf8_fix.cc",
  ]

  # Allow users of LPM to use protobuf reflection and other features from
  # protobuf_full.
  public_deps = [ "//third_party/protobuf:protobuf_full" ]
}

# The CQ will try building this target without "use_libfuzzer" if it is defined.
# That will cause the build to fail, so don't define it when "use_libfuzzer" is
# is false.
if (use_libfuzzer) {
  # Test that fuzzable_proto_library works. This target contains files that are
  # optimized for LITE_RUNTIME and which import other files that are also
  # optimized for LITE_RUNTIME.
  openscreen_fuzzer_test("lpm_test_fuzzer") {
    sources = [ "test_fuzzer/test_fuzzer.cc" ]
    deps = [
      ":libprotobuf-mutator",
      ":lpm_test_fuzzer_proto",
    ]
  }
}

# Proto library for lpm_test_fuzzer
fuzzable_proto_library("lpm_test_fuzzer_proto") {
  sources = [
    "test_fuzzer/imported.proto",
    "test_fuzzer/imported_publicly.proto",
    "test_fuzzer/test_fuzzer_input.proto",
  ]
}

# Avoid CQ complaints on platforms we don't care about (ie: iOS).
# Also prevent people from using this to include protobuf_full into a production
# build of Chrome.
if (use_libfuzzer) {
  # Component that can provide protobuf_full to non-testonly targets
  static_library("protobuf_full") {
    public_deps = [ "//third_party/protobuf:protobuf_full" ]
    sources = [ "dummy.cc" ]
  }
}