sdch/BUILD.gn

   1 # Copyright 2014 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 config("sdch_config") {
   6   include_dirs = [ "open-vcdiff/src" ]
   7 }
   8
   9 # gn orders flags on a target before flags from configs. The default config
  10 # adds -Wall, and these flags have to be after -Wall -- so they need to come
  11 # from a config and can't be on the target directly.
  12 config("sdch_warnings") {
  13   cflags = []
  14   if (is_linux) {
  15     # TODO(mostynb): remove this if open-vcdiff is ever updated for c++11:
  16     cflags += [ "-Wno-deprecated-declarations" ]
  17   }
  18 }
  19
  20 static_library("sdch") {
  21   sources = [
  22     "logging_forward.h",
  23     "open-vcdiff/src/addrcache.cc",
  24     "open-vcdiff/src/blockhash.cc",
  25     "open-vcdiff/src/blockhash.h",
  26     "open-vcdiff/src/checksum.h",
  27     "open-vcdiff/src/codetable.cc",
  28     "open-vcdiff/src/codetable.h",
  29     "open-vcdiff/src/compile_assert.h",
  30     "open-vcdiff/src/decodetable.cc",
  31     "open-vcdiff/src/decodetable.h",
  32     "open-vcdiff/src/encodetable.cc",
  33     "open-vcdiff/src/encodetable.h",
  34     "open-vcdiff/src/google/output_string.h",
  35     "open-vcdiff/src/google/vcdecoder.h",
  36     "open-vcdiff/src/google/vcencoder.h",
  37     "open-vcdiff/src/headerparser.cc",
  38     "open-vcdiff/src/headerparser.h",
  39     "open-vcdiff/src/instruction_map.cc",
  40     "open-vcdiff/src/instruction_map.h",
  41     "open-vcdiff/src/jsonwriter.cc",
  42     "open-vcdiff/src/jsonwriter.h",
  43     "open-vcdiff/src/rolling_hash.h",
  44     "open-vcdiff/src/testing.h",
  45     "open-vcdiff/src/varint_bigendian.cc",
  46     "open-vcdiff/src/varint_bigendian.h",
  47     "open-vcdiff/src/vcdecoder.cc",
  48     "open-vcdiff/src/vcdiff_defs.h",
  49     "open-vcdiff/src/vcdiffengine.cc",
  50     "open-vcdiff/src/vcdiffengine.h",
  51     "open-vcdiff/src/vcencoder.cc",
  52     "open-vcdiff/vsprojects/config.h",
  53     "open-vcdiff/vsprojects/stdint.h",
  54   ]
  55
  56   configs += [ ":sdch_warnings" ]
  57   public_configs = [ ":sdch_config" ]
  58
  59   deps = [
  60     "//base",
  61     "//third_party/zlib",
  62   ]
  63
  64   if (is_linux || is_android) {
  65     include_dirs = [ "linux" ]
  66   } else if (is_ios) {
  67     include_dirs = [ "ios" ]
  68   } else if (is_mac) {
  69     include_dirs = [ "mac" ]
  70     defines = [ "OPEN_VCDIFF_USE_AUTO_PTR" ]
  71   } else if (is_win) {
  72     include_dirs = [ "win" ]
  73   }
  74
  75   # open-vcdiff's logging.h introduces static initializers. This was
  76   # reported upstream years ago (
  77   # https://github.com/google/open-vcdiff/issues/33 ). Since
  78   # upstream won't fix this, work around it on the chromium side:
  79   # Inject a header that forwards to base/logging.h instead (which doesn't
  80   # introduce static initializers, and which prevents open-vcdiff's
  81   # logging.h from being used).
  82   if (is_win) {
  83     cflags = [
  84       "/FI",
  85       "sdch/logging_forward.h",
  86     ]
  87   } else {
  88     logging_file = rebase_path("logging_forward.h", root_build_dir)
  89     cflags = [
  90       "-include",
  91       logging_file,
  92     ]
  93   }
  94 }