Use gold from third_party/binutils rather then third_party/gold.

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1290 matching lines @@
       # The version of GCC in use, set later in platforms that use GCC and have
       # not explicitly chosen to build with clang. Currently, this means all
       # platforms except Windows, Mac and iOS.
       # TODO(glider): set clang to 1 earlier for ASan and TSan builds so that
       # it takes effect here.
       ['os_posix==1 and OS!="mac" and OS!="ios" and clang==0 and asan==0 and lsan==0 and tsan==0 and msan==0', {
         'conditions': [
           ['OS=="android"', {
             # We directly set the gcc_version since we know what we use.
             'gcc_version%': 46,
-            'binutils_version%': 222,
           }, {
             'gcc_version%': '<!(python <(DEPTH)/build/compiler_version.py)',
-            'binutils_version%': '<!(python <(DEPTH)/build/compiler_version.py assembler)',
           }],
         ],
       }, {
         'gcc_version%': 0,
-        'binutils_version%': 0,
       }],
       ['OS=="win" and "<!(python <(DEPTH)/build/dir_exists.py <(windows_sdk_default_path))"=="True"', {
         'windows_sdk_path%': '<(windows_sdk_default_path)',
       }, {
         'windows_sdk_path%': 'C:/Program Files (x86)/Windows Kits/8.0',
       }],
       ['OS=="win" and "<!(python <(DEPTH)/build/dir_exists.py <(directx_sdk_default_path))"=="True"', {
         'directx_sdk_path%': '<(directx_sdk_default_path)',
       }, {
         'directx_sdk_path%': '$(DXSDK_DIR)',
       }],
       ['OS=="win"', {
         'windows_driver_kit_path%': '$(WDK_DIR)',
       }],
       ['os_posix==1 and OS!="mac" and OS!="ios"', {
         'conditions': [
+          ['host_arch=="x64"', {
+            'binutils_directory%': 'third_party/binutils/x86_64-unknown-linux-gnu/bin',
+          }],
+          ['host_arch=="ia32"', {
+            'binutils_directory%': 'third_party/binutils/i686-pc-linux-gnu/bin',
+          }],
           ['target_arch=="mipsel"', {
             'werror%': '',
             'disable_nacl%': 1,
             'nacl_untrusted_build%': 0,
             # TODO(dmikurube): Change the default of use_allocator to "none".
             # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
             'linux_use_tcmalloc%': 0,
             'use_allocator%': 'see_use_tcmalloc',
           }],
           ['OS=="linux" and target_arch=="mipsel"', {
@@ skipping 1697 matching lines @@
         'ldflags': [
           '-pthread', '-Wl,-z,noexecstack',
         ],
         'libraries' : [
           '<(libraries_for_target)',
         ],
         'configurations': {
           'Debug_Base': {
             'variables': {
               'debug_optimize%': '0',
+              'binutils_version%': '<!(python <(DEPTH)/build/compiler_version.py assembler)',

[mithro-old, 2014/03/19 08:36:28]

I think this line needs to have the -B from below passed somehow....

             },
             'defines': [
               '_DEBUG',
             ],
             'cflags': [
               '-O>(debug_optimize)',
               '-g',
+              '-B<!(cd <(DEPTH) && pwd -P)/<(binutils_directory)',
+            ],
+            'ldflags': [
+              # Put our binutils in the search path. gyp leaves
+              # unspecified what the cwd is when running the compiler,
+              # so the normal gyp path-munging fails us.  This hack
+              # gets the right path.
+              '-B<!(cd <(DEPTH) && pwd -P)/<(binutils_directory)',
             ],
             'conditions' : [
               ['OS=="android"', {
                 'ldflags': [
                   # Only link with needed input sections. This is to avoid
                   # getting undefined reference to __cxa_bad_typeid in the CDU
                   # library.
                   '-Wl,--gc-sections',
                   # Warn in case of text relocations.
                   '-Wl,--warn-shared-textrel',
@@ skipping 20 matching lines @@
                   '-Wl,--no-as-needed',
                 ],
               }],
               ['debug_unwind_tables==1', {
                 'cflags': ['-funwind-tables'],
               }, {
                 'cflags': ['-fno-unwind-tables', '-fno-asynchronous-unwind-tables'],
               }],
               # http://gcc.gnu.org/wiki/DebugFission
               # Requires gold and gcc >= 4.7 or clang.
-              ['linux_use_gold_flags==1 and (clang==1 or gcc_version>=47) and binutils_version>=223', {
+              ['linux_use_gold_flags==1 and (clang==1 or gcc_version>=47)', {
                 'cflags': ['-gsplit-dwarf'],
                 'ldflags': ['-Wl,--gdb-index'],
               }],
             ],
           },
           'Release_Base': {
             'variables': {
               'release_optimize%': '2',
               # Binaries become big and gold is unable to perform GC
               # and remove unused sections for some of test targets
@@ skipping 614 matching lines @@
               }],
             ],
           }],
           ['linux_use_gold_binary==1', {
             'ldflags': [
               # Put our gold binary in the search path for the linker.
               # We pass the path to gold to the compiler.  gyp leaves
               # unspecified what the cwd is when running the compiler,
               # so the normal gyp path-munging fails us.  This hack
               # gets the right path.
-              '-B<!(cd <(DEPTH) && pwd -P)/third_party/gold',
+              '-B<!(cd <(DEPTH) && pwd -P)/<(binutils_directory)',
             ],
           }],
         ],
       },
     }],
     # FreeBSD-specific options; note that most FreeBSD options are set above,
     # with Linux.
     ['OS=="freebsd"', {
       'target_defaults': {
         'ldflags': [
@@ skipping 1312 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }