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# Copyright 2015 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.
# LibFuzzer is a LLVM tool for coverage-guided fuzz testing.
# See http://www.chromium.org/developers/testing/libfuzzer
#
# To enable libfuzzer, 'use_libfuzzer' GN option should be set to true.
# Or to enable afl, 'use_afl' GN option should be set to true.
import("//build/config/features.gni")
import("//build/config/sanitizers/sanitizers.gni")
source_set("libfuzzer_main") {
deps = []
sources = []
if (use_libfuzzer) {
deps += [ "//third_party/libFuzzer:libfuzzer" ]
} else if (use_afl) {
deps += [ "//third_party/libFuzzer:afl_driver" ]
} else if (use_drfuzz) {
sources += [ "drfuzz_main.cc" ]
} else {
sources += [ "unittest_main.cc" ]
}
if (use_clang_coverage) {
# For purposes of code coverage calculation, fuzzer targets are run through
# a wrapper script in this directory, which handles corpus retrieval and
# appropriate parameter passing to run the target in an isolate. This
# directive makes this script and its dependencies to be included in the
# target's isolate.
data = [
"//tools/code_coverage/",
]
}
}
# A config used by all fuzzer_tests.
config("fuzzer_test_config") {
if (use_libfuzzer && is_mac) {
ldflags = [
"-Wl,-U,_LLVMFuzzerCustomMutator",
"-Wl,-U,_LLVMFuzzerInitialize",
]
}
}
# Noop config used to tag fuzzer tests excluded from clusterfuzz.
# Libfuzzer build bot uses this to filter out targets while
# building an archive for clusterfuzz.
config("no_clusterfuzz") {
}
# noop to tag seed corpus rules.
source_set("seed_corpus") {
}
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