Disable RTTI and C++ exceptions

testing/gtest.gyp

 # Copyright (c) 2009 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.
 
 {
   'includes': [
     '../build/common.gypi',
   ],
   'targets': [
     {
@@ skipping 34 matching lines @@
         'platform_test.h',
       ],
       'sources!': [
         'gtest/src/gtest-all.cc',  # Not needed by our build.
       ],
       'include_dirs': [
         'gtest',
         'gtest/include',
       ],
       'conditions': [
-        [ 'OS == "mac"', { 'sources': [ 'platform_test_mac.mm' ] } ],
+        ['OS == "mac"', {
+          'sources': [
+            'platform_test_mac.mm'
+          ],
+        }],
+        ['OS == "mac" or OS == "linux"', {
+          'defines': [
+            # gtest isn't able to figure out when RTTI is disabled for gcc
+            # versions older than 4.3.2, and assumes it's enabled.  Our Mac
+            # and Linux builds disable RTTI, and cannot guarantee that the
+            # compiler will be 4.3.2. or newer.  The Mac, for example, uses
+            # 4.2.1 as that is the latest available on that platform.  gtest
+            # must be instructed that RTTI is disabled here, and for any
+            # direct dependents that might include gtest headers.
+            'GTEST_HAS_RTTI=0',
+          ],
+          'direct_dependent_settings': {
+            'defines': [
+              'GTEST_HAS_RTTI=0',
+            ],
+          },
+        }],
       ],
       'direct_dependent_settings': {
         'defines': [
           'UNIT_TEST',
         ],
         'include_dirs': [
           'gtest/include',  # So that gtest headers can find themselves.
         ],
         'target_conditions': [
           ['_type=="executable"', {'test': 1}],
         ],
       },
     },
     {
       # Note that calling this "gtest_main" confuses the scons build,
       # which uses "_main" on scons files to produce special behavior.
       'target_name': 'gtestmain',
       'type': '<(library)',
       'dependencies': [
         'gtest',
       ],
       'sources': [
         'gtest/src/gtest_main.cc',
       ],
     },
   ],
 }