third_party/libxml/BUILD.gn

   1 # Copyright 2013 The Chromium Authors
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 # Define an "os_include" variable that points at the OS-specific generated
   6 # headers.  These were generated by running the configure script offline.
   7 if (is_linux || is_chromeos || is_android || is_nacl || is_fuchsia || is_tizen) {
   8   os_include = "linux"
   9 } else if (is_apple) {
  10   os_include = "mac"
  11 } else if (is_win) {
  12   os_include = "win32"
  13 }
  14
  15 import("//third_party/libxml/libxml_visibility.gni")
  16
  17 config("libxml_config") {
  18   # Define LIBXML_STATIC as nothing to match how libxml.h (an internal header)
  19   # defines LIBXML_STATIC, otherwise we get the macro redefined warning from
  20   # GCC. ("defines" does "-DFOO" which defines the macro FOO as 1.)
  21   cflags = [ "-DLIBXML_STATIC=" ]
  22
  23   include_dirs = [
  24     "src/include",
  25     "$os_include/include",
  26   ]
  27 }
  28
  29 config("libxml_warnings") {
  30   if (is_win) {
  31     cflags_c = [
  32       "/wd4018",  # Signed/unsigned mismatch in comparison.
  33       "/wd4267",  # TODO(brucedawson): http://crbug.com/554200 fix C4267
  34       "/wd4311",  # and C4311 warnings.
  35     ]
  36   }
  37   if (is_clang) {
  38     cflags = [
  39       # libxml passes `const unsigned char*` through `const char*`.
  40       "-Wno-pointer-sign",
  41
  42       # pattern.c and uri.c both have an intentional `for (...);` /
  43       # `while(...);` loop. I submitted a patch to move the `'` to its own
  44       # line, but until that's landed suppress the warning:
  45       "-Wno-empty-body",
  46
  47       # debugXML.c compares array 'arg' to NULL.
  48       "-Wno-tautological-pointer-compare",
  49
  50       # threads.c attempts to forward declare a pthread_equal which doesn't
  51       # match the prototype in pthreads.h
  52       "-Wno-ignored-attributes",
  53
  54       # libxml casts from int to long to void*.
  55       "-Wno-int-to-void-pointer-cast",
  56
  57       # libxml passes a volatile LPCRITICAL_SECTION* to a function expecting
  58       # a void* volatile*.
  59       "-Wno-incompatible-pointer-types",
  60
  61       # trio_is_special_quantity and trio_is_negative are only
  62       # used with certain preprocessor defines set.
  63       "-Wno-unused-function",
  64
  65       # Comparison between xmlElementType and xmlXPathTypeVal.
  66       # TODO(hans): See if we can fix upstream (http://crbug.com/763944).
  67       "-Wno-enum-compare",
  68     ]
  69   } else if (is_linux || is_chromeos) {
  70     cflags = [
  71       # gcc spits out a bunch of warnings about passing too many arguments to
  72       # __xmlSimpleError.
  73       "-Wno-format-extra-args",
  74     ]
  75   }
  76 }
  77
  78 # Please keep in sync with //build/linux/unbundle/libxml.gn.
  79 static_library("xml_reader") {
  80   # Do not expand this visibility list without first consulting with the
  81   # Security Team.
  82   visibility = [
  83     "//base/test:test_support",
  84     "//components/policy/core/common:unit_tests",
  85     "//services/data_decoder:*",
  86   ]
  87   if (is_win) {
  88     visibility += [ "//components/wifi" ]
  89   }
  90   sources = [
  91     "chromium/xml_reader.cc",
  92     "chromium/xml_reader.h",
  93   ]
  94   deps = [
  95     ":libxml",
  96     ":libxml_utils",
  97   ]
  98   configs += [ ":libxml_config" ]
  99 }
 100
 101 # Please keep in sync with //build/linux/unbundle/libxml.gn.
 102 static_library("xml_writer") {
 103   # The XmlWriter is considered safe to use from any target.
 104   visibility = [ "*" ]
 105   sources = [
 106     "chromium/xml_writer.cc",
 107     "chromium/xml_writer.h",
 108   ]
 109   deps = [
 110     ":libxml",
 111     ":libxml_utils",
 112   ]
 113   configs += [ ":libxml_config" ]
 114 }
 115
 116 # Please keep in sync with //build/linux/unbundle/libxml.gn.
 117 static_library("libxml_utils") {
 118   # Do not expand this visibility list without first consulting with the
 119   # Security Team.
 120   visibility = [
 121     ":xml_reader",
 122     ":xml_writer",
 123     "//base/test:test_support",
 124     "//services/data_decoder:lib",
 125     "//services/data_decoder:xml_parser_fuzzer_deps",
 126   ]
 127   sources = [
 128     "chromium/libxml_utils.cc",
 129     "chromium/libxml_utils.h",
 130   ]
 131   deps = [ ":libxml" ]
 132   public_deps = [ "//third_party/icu:icuuc" ]
 133   public_configs = [ ":libxml_config" ]
 134 }
 135
 136 static_library("libxml") {
 137   # Do not expand this visibility list without first consulting with the
 138   # Security Team.
 139   visibility = [
 140     ":libxml_utils",
 141     ":xml_reader",
 142     ":xml_writer",
 143     "//chromecast/internal",
 144     "//testing/libfuzzer/*",
 145     "//third_party/blink/renderer/*",
 146     "//third_party/fontconfig",
 147     "//third_party/libxslt",
 148     "//third_party/maldoca/*",
 149   ]
 150   if (is_ios) {
 151     foreach(tgt, ios_libxml_visibility_additions) {
 152       visibility += [ "//ios_internal/$tgt" ]
 153     }
 154   }
 155
 156   output_name = "libxml2"
 157
 158   # Commented out sources are libxml2 files we do not want to include. They are
 159   # here to make it easy to identify files which are new.
 160   sources = [
 161     "src/HTMLparser.c",
 162     "src/HTMLtree.c",
 163
 164     #"src/SAX.c",
 165     "src/SAX2.c",
 166     "src/buf.c",
 167
 168     #"src/c14n.c",
 169     #"src/catalog.c",
 170     "src/chvalid.c",
 171
 172     #"src/debugXML.c",
 173     "src/dict.c",
 174     "src/encoding.c",
 175     "src/entities.c",
 176     "src/error.c",
 177     "src/globals.c",
 178     "src/hash.c",
 179     "src/include/libxml/HTMLparser.h",
 180     "src/include/libxml/HTMLtree.h",
 181     "src/include/libxml/SAX.h",
 182     "src/include/libxml/SAX2.h",
 183     "src/include/libxml/c14n.h",
 184     "src/include/libxml/catalog.h",
 185     "src/include/libxml/chvalid.h",
 186     "src/include/libxml/debugXML.h",
 187     "src/include/libxml/dict.h",
 188     "src/include/libxml/encoding.h",
 189     "src/include/libxml/entities.h",
 190     "src/include/libxml/globals.h",
 191     "src/include/libxml/hash.h",
 192     "src/include/libxml/list.h",
 193     "src/include/libxml/nanoftp.h",
 194     "src/include/libxml/nanohttp.h",
 195     "src/include/libxml/parser.h",
 196     "src/include/libxml/parserInternals.h",
 197     "src/include/libxml/pattern.h",
 198     "src/include/libxml/relaxng.h",
 199     "src/include/libxml/schemasInternals.h",
 200     "src/include/libxml/schematron.h",
 201     "src/include/libxml/threads.h",
 202     "src/include/libxml/tree.h",
 203     "src/include/libxml/uri.h",
 204     "src/include/libxml/valid.h",
 205     "src/include/libxml/xinclude.h",
 206     "src/include/libxml/xlink.h",
 207     "src/include/libxml/xmlIO.h",
 208     "src/include/libxml/xmlautomata.h",
 209     "src/include/libxml/xmlerror.h",
 210     "src/include/libxml/xmlexports.h",
 211     "src/include/libxml/xmlmemory.h",
 212     "src/include/libxml/xmlmodule.h",
 213     "src/include/libxml/xmlreader.h",
 214     "src/include/libxml/xmlregexp.h",
 215     "src/include/libxml/xmlsave.h",
 216     "src/include/libxml/xmlschemas.h",
 217     "src/include/libxml/xmlschemastypes.h",
 218     "src/include/libxml/xmlstring.h",
 219     "src/include/libxml/xmlunicode.h",
 220     "src/include/libxml/xmlwriter.h",
 221     "src/include/libxml/xpath.h",
 222     "src/include/libxml/xpathInternals.h",
 223     "src/include/libxml/xpointer.h",
 224
 225     #"src/legacy.c",
 226     "src/libxml.h",
 227     "src/list.c",
 228     "src/parser.c",
 229     "src/parserInternals.c",
 230     "src/pattern.c",
 231
 232     #"src/relaxng.c",
 233
 234     #"src/schematron.c",
 235     "src/threads.c",
 236     "src/timsort.h",
 237     "src/tree.c",
 238     "src/triodef.h",
 239     "src/trionan.h",
 240
 241     #"src/trio.c",
 242     #"src/trio.h",
 243     #"src/triodef.h",
 244     # Note: xpath.c #includes trionan.c
 245     #"src/trionan.c",
 246     #"src/triop.h",
 247     #"src/triostr.c",
 248     #"src/triostr.h",
 249     "src/uri.c",
 250     "src/valid.c",
 251
 252     #"src/xinclude.c",
 253     #"src/xlink.c",
 254     "src/xmlIO.c",
 255     "src/xmlmemory.c",
 256
 257     #"src/xmlmodule.c",
 258     "src/xmlreader.c",
 259
 260     #"src/xmlregexp.c",
 261     "src/xmlsave.c",
 262
 263     #"src/xmlschemas.c",
 264     #"src/xmlschemastypes.c",
 265     "src/xmlstring.c",
 266     "src/xmlunicode.c",
 267     "src/xmlwriter.c",
 268     "src/xpath.c",
 269
 270     #"src/xpointer.c",
 271     #"src/xzlib.c",
 272   ]
 273
 274   configs -= [ "//build/config/compiler:chromium_code" ]
 275   configs += [
 276     "//build/config/compiler:no_chromium_code",
 277
 278     # Must be after no_chromium_code for warning flags to be ordered correctly.
 279     ":libxml_warnings",
 280   ]
 281
 282   if (is_linux || is_chromeos) {
 283     sources += [
 284       "linux/config.h",
 285       "linux/include/libxml/xmlversion.h",
 286     ]
 287   }
 288
 289   if (is_mac) {
 290     sources += [
 291       "mac/config.h",
 292       "mac/include/libxml/xmlversion.h",
 293     ]
 294   }
 295
 296   if (is_win) {
 297     sources += [
 298       "src/include/win32config.h",
 299       "src/include/wsockcompat.h",
 300       "win32/config.h",
 301       "win32/include/libxml/xmlversion.h",
 302     ]
 303
 304     # libxml2 already defines WIN32_LEAN_AND_MEAN.
 305     configs -= [ "//build/config/win:lean_and_mean" ]
 306   }
 307
 308   sources += [ "chromium/disabled_libxml_features.cc" ]
 309
 310   public_configs = [ ":libxml_config" ]
 311   public_deps = [ "//third_party/icu:icuuc" ]
 312   deps = [ "//third_party/zlib" ]
 313
 314   if (is_apple || is_android || is_fuchsia) {
 315     # http://www.xmlsoft.org/threads.html says that this is required when using
 316     # libxml from several threads, which can possibly happen in chrome. On
 317     # linux, this is picked up by transitivity from pkg-config output from
 318     # build/linux/system.gyp.
 319     defines = [ "_REENTRANT" ]
 320   }
 321
 322   include_dirs = [ "$os_include" ]
 323 }