clang/arm: Push -no-integrated-as into the four targets that need it.

third_party/libvpx_new/BUILD.gn

 # 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.
 
 import("//build/config/arm.gni")
 import("//build/config/android/config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//third_party/libvpx_new/libvpx_srcs.gni")
 import("//third_party/yasm/yasm_assemble.gni")
 
@@ skipping 30 matching lines @@
       "//third_party/libvpx_new/source/config/$os_category/$cpu_arch_full"
 }
 
 config("libvpx_config") {
   include_dirs = [
     "//third_party/libvpx_new/source/config",
     platform_include_dir,
     "//third_party/libvpx_new/source/libvpx",
     "$root_gen_dir/third_party/libvpx_new",  # Provides vpx_rtcd.h.
   ]
+
+  if (current_cpu == "arm" && is_clang) {
+    # TODO(hans) Enable integrated-as (crbug.com/124610).
+    asmflags = [ "-fno-integrated-as" ]
+    if (is_android) {
+      rebased_android_toolchain_root =
+          rebase_path(android_toolchain_root, root_build_dir)
+      # Else /usr/bin/as gets picked up.
+      asmflags += [ "-B${rebased_android_toolchain_root}/bin" ]
+    }
+  }
 }
 
 # 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("libvpx_warnings") {
   if (is_clang) {
     cflags = [
       # libvpx heavily relies on implicit enum casting.
       "-Wno-conversion",
@@ skipping 235 matching lines @@
   }
   if (is_android) {
     deps += [ "//third_party/android_tools:cpu_features" ]
   }
   if (current_cpu == "arm") {
     deps += [ ":libvpx_assembly_arm" ]
   }
 
   public_configs = [ ":libvpx_external_config" ]
 }