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# Copyright 2020 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
import("//build_overrides/pigweed.gni")
import("$dir_pw_bloat/bloat.gni")
import("$dir_pw_build/module_config.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_perf_test/perf_test.gni")
import("$dir_pw_unit_test/test.gni")
declare_args() {
# The build target that overrides the default configuration options for this
# module. This should point to a source set that provides defines through a
# public config (which may -include a file or add defines directly).
pw_checksum_CONFIG = pw_build_DEFAULT_MODULE_CONFIG
}
config("public_include_path") {
include_dirs = [ "public" ]
}
pw_source_set("config") {
sources = [ "public/pw_checksum/internal/config.h" ]
public_configs = [ ":public_include_path" ]
public_deps = [ pw_checksum_CONFIG ]
visibility = [ ":*" ] # Only allow this module to depend on ":config"
friend = [ ":*" ] # Allow this module to access the config.h header.
}
pw_source_set("pw_checksum") {
public_configs = [ ":public_include_path" ]
public = [
"public/pw_checksum/crc16_ccitt.h",
"public/pw_checksum/crc32.h",
]
sources = [
"crc16_ccitt.cc",
"crc32.cc",
]
public_deps = [
":config",
dir_pw_bytes,
dir_pw_span,
]
# TODO(b/259746255): Remove this when everything compiles with -Wconversion.
configs = [ "$dir_pw_build:conversion_warnings" ]
}
pw_test_group("tests") {
tests = [
":crc16_ccitt_test",
":crc32_test",
]
}
pw_test("crc16_ccitt_test") {
deps = [
":pw_checksum",
dir_pw_bytes,
]
sources = [
"crc16_ccitt_test.cc",
"crc16_ccitt_test_c.c",
]
# TODO(b/259746255): Remove this when everything compiles with -Wconversion.
configs = [ "$dir_pw_build:conversion_warnings" ]
}
pw_test("crc32_test") {
deps = [
":pw_checksum",
dir_pw_bytes,
]
sources = [
"crc32_test.cc",
"crc32_test_c.c",
]
# TODO(b/259746255): Remove this when everything compiles with -Wconversion.
configs = [ "$dir_pw_build:conversion_warnings" ]
}
pw_perf_test("crc32_perf_tests") {
enable_if = pw_perf_test_TIMER_INTERFACE_BACKEND != ""
deps = [
":pw_checksum",
dir_pw_bytes,
]
sources = [ "crc32_perf_test.cc" ]
}
pw_perf_test("crc16_perf_tests") {
enable_if = pw_perf_test_TIMER_INTERFACE_BACKEND != ""
deps = [
":pw_checksum",
dir_pw_bytes,
]
sources = [ "crc16_ccitt_perf_test.cc" ]
}
group("perf_tests") {
deps = [
":crc16_perf_tests",
":crc32_perf_tests",
]
}
pw_size_diff("size_report") {
title = "Checksum sizes"
binaries = [
{
target = "size_report:crc16_checksum"
base = "size_report:noop_checksum"
label = "CRC16 with 256-entry table"
},
{
target = "size_report:crc32_8bit_checksum"
base = "size_report:noop_checksum"
label = "CRC32: 8 bits per iteration, 256-entry table"
},
{
target = "size_report:crc32_4bit_checksum"
base = "size_report:noop_checksum"
label = "CRC32: 4 bits per iteration, 16-entry table"
},
{
target = "size_report:crc32_1bit_checksum"
base = "size_report:noop_checksum"
label = "CRC32: 1 bit per iteration, no table"
},
{
target = "size_report:fletcher16_checksum"
base = "size_report:noop_checksum"
label = "Fletcher16 (illustrative only)"
},
]
}
pw_doc_group("docs") {
sources = [ "docs.rst" ]
report_deps = [ ":size_report" ]
}
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