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# Copyright 2014 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.
config("sdch_config") {
include_dirs = [ "open-vcdiff/src" ]
}
# gn orders flags on a target before flags from configs. The default config
# adds -Wall, and these flags have to be after -Wall -- so they need to come
# from a config and can't be on the target directly.
config("sdch_warnings") {
cflags = []
if (is_linux) {
# TODO(mostynb): remove this if open-vcdiff is ever updated for c++11:
cflags += [ "-Wno-deprecated-declarations" ]
}
}
static_library("sdch") {
sources = [
"logging_forward.h",
"open-vcdiff/src/addrcache.cc",
"open-vcdiff/src/blockhash.cc",
"open-vcdiff/src/blockhash.h",
"open-vcdiff/src/checksum.h",
"open-vcdiff/src/codetable.cc",
"open-vcdiff/src/codetable.h",
"open-vcdiff/src/compile_assert.h",
"open-vcdiff/src/decodetable.cc",
"open-vcdiff/src/decodetable.h",
"open-vcdiff/src/encodetable.cc",
"open-vcdiff/src/encodetable.h",
"open-vcdiff/src/google/output_string.h",
"open-vcdiff/src/google/vcdecoder.h",
"open-vcdiff/src/google/vcencoder.h",
"open-vcdiff/src/headerparser.cc",
"open-vcdiff/src/headerparser.h",
"open-vcdiff/src/instruction_map.cc",
"open-vcdiff/src/instruction_map.h",
"open-vcdiff/src/jsonwriter.cc",
"open-vcdiff/src/jsonwriter.h",
"open-vcdiff/src/rolling_hash.h",
"open-vcdiff/src/testing.h",
"open-vcdiff/src/varint_bigendian.cc",
"open-vcdiff/src/varint_bigendian.h",
"open-vcdiff/src/vcdecoder.cc",
"open-vcdiff/src/vcdiff_defs.h",
"open-vcdiff/src/vcdiffengine.cc",
"open-vcdiff/src/vcdiffengine.h",
"open-vcdiff/src/vcencoder.cc",
"open-vcdiff/vsprojects/config.h",
"open-vcdiff/vsprojects/stdint.h",
]
configs += [ ":sdch_warnings" ]
public_configs = [ ":sdch_config" ]
deps = [
"//base",
"//third_party/zlib",
]
if (is_linux || is_android) {
include_dirs = [ "linux" ]
} else if (is_ios) {
include_dirs = [ "ios" ]
} else if (is_mac) {
include_dirs = [ "mac" ]
defines = [ "OPEN_VCDIFF_USE_AUTO_PTR" ]
} else if (is_win) {
include_dirs = [ "win" ]
}
# open-vcdiff's logging.h introduces static initializers. This was
# reported upstream years ago (
# https://github.com/google/open-vcdiff/issues/33 ). Since
# upstream won't fix this, work around it on the chromium side:
# Inject a header that forwards to base/logging.h instead (which doesn't
# introduce static initializers, and which prevents open-vcdiff's
# logging.h from being used).
if (is_win) {
cflags = [
"/FI",
"sdch/logging_forward.h",
]
} else {
logging_file = rebase_path("logging_forward.h", root_build_dir)
cflags = [
"-include",
logging_file,
]
}
}
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