V8-specific release-specific flags in the gyp build.

build/temp_gyp/v8.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.
 
 # TODO(mark): Upstream this file to v8.
 {
   'variables': {
     'chromium_code': 1,
     'base_source_files': [
       '../../v8/src/third_party/dtoa/dtoa.c',
@@ skipping 230 matching lines @@
   ],
   'target_defaults': {
     'configurations': {
       'Debug': {
         'defines': [
           'DEBUG',
           'ENABLE_DISASSEMBLER',
           'ENABLE_LOGGING_AND_PROFILING',
         ],
       },
+      'Release': {
+        'defines': [
+          'ENABLE_LOGGING_AND_PROFILING',
+        ],
+        'conditions': [
+          ['OS=="linux"', {
+            'cflags!': [
+              '-O2',
+            ],
+            'cflags': [
+              '-fno-rtti',
+              '-fdata-sections',
+              '-ffunction-sections',
+              '-fomit-frame-pointer',
+              '-O3',
+            ],
+          }],
+        ],
+      },
     },
     'xcode_settings': {
       'GCC_ENABLE_CPP_EXCEPTIONS': 'NO',
       'GCC_ENABLE_CPP_RTTI': 'NO',
     },
   },
   'targets': [
     # Targets that apply to any architecture.
     {
       'target_name': 'js2c',
@@ skipping 341 matching lines @@
           ]},
         }],
         [ 'OS=="win"', {
           'sources!': [ '../../v8/src/d8-readline.cc', '../../v8/src/d8-posix.cc' ],
         }],
       ],
     },
   ]}], # OS != "linux" (temporary, TODO(sgk))
   ],
 }