Adding a way to disable debug fission.

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 1168 matching lines @@
     # Strip the test binaries needed for Linux reliability tests.
     'linux_strip_reliability_tests%': 0,
     # If we want stack unwind support for backtrace().
     'debug_unwind_tables%': 1,
     'release_unwind_tables%': 1,
 
     # Override where to find binutils
     'binutils_version%': 0,
     'binutils_dir%': '',
 
+    # Set this to false will disable debug fission for debug builds.
+    # Needed if your tooling (distcc, ccache) is too old for debug fission
+    # support or you want to use an older gdb.
+    # See https://code.google.com/p/chromium/issues/detail?id=352046 and
+    # http://gcc.gnu.org/wiki/DebugFission for more information on debug
+    # fission.
+    'debug_fission%': 1,
+
     # Enable TCMalloc.
     # TODO(dmikurube): Change Linux default of use_allocator to "tcmalloc".
     # TODO(dmikurube): Change Android default of use_allocator to "none".
     # TODO(dmikurube): Kill {linux|android}_use_tcmalloc. http://crbug.com/345554
     # {linux|android}_use_tcmalloc are to be replaced with use_allocator.
     # They are now used only if use_allocator=="see_use_tcmalloc" (default).
     # TODO(dmikurube): Assert when {linux|android}_use_tcmalloc is explicitly specified.
     'linux_use_tcmalloc%': 1,
     'android_use_tcmalloc%': 0,
     'use_allocator%': 'see_use_tcmalloc',
@@ skipping 1999 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 >= 4.8 or clang.
-              ['linux_use_gold_flags==1 and (clang==1 or gcc_version>=48) and binutils_version>=223', {
+              ['linux_use_gold_flags==1 and (clang==1 or gcc_version>=48) and binutils_version>=223 and debug_fission==1', {
                 '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 2010 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',
   },
 }