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# Copyright 2019 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/arm.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//testing/test.gni")
config("common_config") {
if (is_win) {
defines = [
# Required to use math constants from math.h.
"_USE_MATH_DEFINES",
]
}
# PFFFT doesn't support SIMD on some cpus, so build a scalar version.
if ((current_cpu == "arm" && !arm_use_neon) || current_cpu == "mipsel" ||
current_cpu == "mips64el" || current_cpu == "ppc64" ||
current_cpu == "s390x") {
defines = [ "PFFFT_SIMD_DISABLE" ]
}
}
static_library("pffft") {
configs += [ ":common_config" ]
sources = [
"src/pffft.c",
"src/pffft.h",
]
}
# Fuzzing.
group("fuzzers") {
testonly = true
deps = [
":pffft_complex_fuzzer",
":pffft_real_fuzzer",
]
}
fuzzer_testdata_dir = "$target_gen_dir/testdata"
action("generate_pffft_fuzzer_corpus") {
script = "generate_seed_corpus.py"
sources = [ "generate_seed_corpus.py" ]
args = [ rebase_path(fuzzer_testdata_dir, root_build_dir) ]
outputs = [ fuzzer_testdata_dir ]
}
fuzzer_test("pffft_complex_fuzzer") {
sources = [ "pffft_fuzzer.cc" ]
cflags = [ "-DTRANSFORM_COMPLEX" ]
deps = [ ":pffft" ]
seed_corpus = fuzzer_testdata_dir
seed_corpus_deps = [ ":generate_pffft_fuzzer_corpus" ]
}
fuzzer_test("pffft_real_fuzzer") {
sources = [ "pffft_fuzzer.cc" ]
cflags = [ "-DTRANSFORM_REAL" ]
deps = [ ":pffft" ]
seed_corpus = fuzzer_testdata_dir
seed_corpus_deps = [ ":generate_pffft_fuzzer_corpus" ]
}
# Unit tests and benchmark.
# This target must be used only for testing and benchmark purposes.
static_library("fftpack") {
testonly = true
configs += [ ":common_config" ]
sources = [
"src/fftpack.c",
"src/fftpack.h",
]
visibility = [ ":*" ]
}
config("pffft_benchmark_internal_config") {
cflags = [
# test_pffft.c contains an `exit(1)` following a `break` statement.
"-Wno-unreachable-code",
]
}
executable("pffft_benchmark") {
testonly = true
configs += [
":common_config",
":pffft_benchmark_internal_config",
]
sources = [ "src/test_pffft.c" ]
deps = [
":fftpack",
":pffft",
]
}
test("pffft_unittest") {
testonly = true
sources = [ "pffft_unittest.cc" ]
deps = [
":fftpack",
":pffft",
"//testing/gtest",
"//testing/gtest:gtest_main",
]
}
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