ATK accessibility support for web content on Aura Linux.

build/config/linux/BUILD.gn

 # Copyright (c) 2013 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/linux/pkg_config.gni")
 import("//build/config/features.gni")
 import("//build/config/sysroot.gni")
 import("//build/config/ui.gni")
 import("//tools/generate_library_loader/generate_library_loader.gni")
 
@@ skipping 114 matching lines @@
 config("libresolv") {
   libs = [ "resolv" ]
 }
 
 # CrOS doesn't install GTK, gconf or any gnome packages.
 if (!is_chromeos) {
   # These packages should _only_ be expected when building for a target.
   # If these extra checks are not run, gconf is required when building host
   # tools for a CrOS build.
   if (current_toolchain == default_toolchain) {
+    pkg_config("atk") {
+      packages = [ "atk" ]
+      atk_lib_dir = exec_script(pkg_config_script,
+                                [
+                                  "--libdir",
+                                  "atk",
+                                ],
+                                "string")
+      defines = [ "ATK_LIB_DIR=\"$atk_lib_dir\"" ]
+    }
+
+    # 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("atk_warnings") {
+      cflags = [
+        # glib uses the pre-c++11 typedef-as-static_assert hack.
+        "-Wno-unused-local-typedef",
+
+        # G_DEFINE_TYPE automatically generates a *get_instance_private
+        # inline function after glib 2.37. That's unused. Prevent to
+        # complain about it.
+        "-Wno-unused-function",
+      ]
+    }
+
     pkg_config("gconf") {
       packages = [ "gconf-2.0" ]
       defines = [ "USE_GCONF" ]
     }
   }
 }
 
 # If brlapi isn't needed, don't require it to be installed.
 if (use_brlapi) {
   config("brlapi_config") {
@@ skipping 79 matching lines @@
 
   functions = gypi_values.libudev_functions
 }
 
 group("udev") {
   deps = [
     ":udev0_loader",
     ":udev1_loader",
   ]
 }