Add use_system_v8 option to gyp (off by default),
authorsgjesse@chromium.org <sgjesse@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Tue, 4 Jan 2011 12:14:10 +0000 (12:14 +0000)
committersgjesse@chromium.org <sgjesse@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Tue, 4 Jan 2011 12:14:10 +0000 (12:14 +0000)
as discussed in http://groups.google.com/group/v8-users/browse_thread/thread/33a69c51d8023ced

This will make it easier for Linux distributions
to ship with system-provided V8 library.

Patch by Pawel Hajdan, Jr. <phajdan.jr@chromium.org>

Review URL: http://codereview.chromium.org/6092006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6153 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/gyp/v8.gyp

index a274a48..365e650 100644 (file)
 
 {
   'variables': {
+    'use_system_v8%': 0,
     'msvs_use_common_release': 0,
     'gcc_version%': 'unknown',
     'v8_target_arch%': '<(target_arch)',
     'v8_use_snapshot%': 'true',
   },
-  'target_defaults': {
-    'defines': [
-      'ENABLE_LOGGING_AND_PROFILING',
-      'ENABLE_DEBUGGER_SUPPORT',
-      'ENABLE_VMSTATE_TRACKING',
-    ],
-    'conditions': [
-      ['OS!="mac"', {
-        # TODO(mark): The OS!="mac" conditional is temporary. It can be
-        # removed once the Mac Chromium build stops setting target_arch to
-        # ia32 and instead sets it to mac. Other checks in this file for
-        # OS=="mac" can be removed at that time as well. This can be cleaned
-        # up once http://crbug.com/44205 is fixed.
-        'conditions': [
-          ['v8_target_arch=="arm"', {
-            'defines': [
-              'V8_TARGET_ARCH_ARM',
-            ],
-          }],
-          ['v8_target_arch=="ia32"', {
-            'defines': [
-              'V8_TARGET_ARCH_IA32',
-            ],
-          }],
-          ['v8_target_arch=="x64"', {
-            'defines': [
-              'V8_TARGET_ARCH_X64',
-            ],
-          }],
-        ],
-      }],
-    ],
-    'configurations': {
-      'Debug': {
+  'conditions': [
+    ['use_system_v8==0', {
+      'target_defaults': {
         'defines': [
-          'DEBUG',
-          '_DEBUG',
-          'ENABLE_DISASSEMBLER',
-          'V8_ENABLE_CHECKS',
-          'OBJECT_PRINT',
+          'ENABLE_LOGGING_AND_PROFILING',
+          'ENABLE_DEBUGGER_SUPPORT',
+          'ENABLE_VMSTATE_TRACKING',
         ],
-        'msvs_settings': {
-          'VCCLCompilerTool': {
-            'Optimization': '0',
-            
-            'conditions': [
-              ['OS=="win" and component=="shared_library"', {
-                'RuntimeLibrary': '3',  # /MDd
-              }, {
-                'RuntimeLibrary': '1',  # /MTd
-              }],
-            ],
-          },
-          'VCLinkerTool': {
-            'LinkIncremental': '2',
-          },
-        },
         'conditions': [
-         ['OS=="freebsd" or OS=="openbsd"', {
-           'cflags': [ '-I/usr/local/include' ],
-         }],
-       ],
-      },
-      'Release': {
-        'conditions': [
-          ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
-            'cflags!': [
-              '-O2',
-              '-Os',
-            ],
-            'cflags': [
-              '-fomit-frame-pointer',
-              '-O3',
-            ],
+          ['OS!="mac"', {
+            # TODO(mark): The OS!="mac" conditional is temporary. It can be
+            # removed once the Mac Chromium build stops setting target_arch to
+            # ia32 and instead sets it to mac. Other checks in this file for
+            # OS=="mac" can be removed at that time as well. This can be cleaned
+            # up once http://crbug.com/44205 is fixed.
             'conditions': [
-              [ 'gcc_version==44', {
-                'cflags': [
-                  # Avoid crashes with gcc 4.4 in the v8 test suite.
-                  '-fno-tree-vrp',
+              ['v8_target_arch=="arm"', {
+                'defines': [
+                  'V8_TARGET_ARCH_ARM',
+                ],
+              }],
+              ['v8_target_arch=="ia32"', {
+                'defines': [
+                  'V8_TARGET_ARCH_IA32',
+                ],
+              }],
+              ['v8_target_arch=="x64"', {
+                'defines': [
+                  'V8_TARGET_ARCH_X64',
                 ],
               }],
             ],
           }],
-         ['OS=="freebsd" or OS=="openbsd"', {
-           'cflags': [ '-I/usr/local/include' ],
-         }],
-          ['OS=="mac"', {
-            'xcode_settings': {
-              'GCC_OPTIMIZATION_LEVEL': '3',  # -O3
-              'GCC_STRICT_ALIASING': 'YES',   # -fstrict-aliasing.  Mainline gcc
-                                              # enables this at -O2 and above,
-                                              # but Apple gcc does not unless it
-                                              # is specified explicitly.
-            },
-          }],
-          ['OS=="win"', {
-            'msvs_configuration_attributes': {
-              'OutputDirectory': '$(SolutionDir)$(ConfigurationName)',
-              'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
-              'CharacterSet': '1',
-            },
+        ],
+        'configurations': {
+          'Debug': {
+            'defines': [
+              'DEBUG',
+              '_DEBUG',
+              'ENABLE_DISASSEMBLER',
+              'V8_ENABLE_CHECKS',
+              'OBJECT_PRINT',
+            ],
             'msvs_settings': {
               'VCCLCompilerTool': {
-                'Optimization': '2',
-                'InlineFunctionExpansion': '2',
-                'EnableIntrinsicFunctions': 'true',
-                'FavorSizeOrSpeed': '0',
-                'OmitFramePointers': 'true',
-                'StringPooling': 'true',
-                
+                'Optimization': '0',
+
                 'conditions': [
                   ['OS=="win" and component=="shared_library"', {
-                    'RuntimeLibrary': '2',  #/MD
+                    'RuntimeLibrary': '3',  # /MDd
                   }, {
-                    'RuntimeLibrary': '0',  #/MT
+                    'RuntimeLibrary': '1',  # /MTd
                   }],
                 ],
               },
               'VCLinkerTool': {
-                'LinkIncremental': '1',
-                'OptimizeReferences': '2',
-                'OptimizeForWindows98': '1',
-                'EnableCOMDATFolding': '2',
+                'LinkIncremental': '2',
               },
             },
-          }],
-        ],
-      },
-    },
-  },
-  'targets': [
-    {
-      'target_name': 'v8',
-      'conditions': [
-        ['v8_use_snapshot=="true"', {
-          'dependencies': ['v8_snapshot'],
+            'conditions': [
+             ['OS=="freebsd" or OS=="openbsd"', {
+               'cflags': [ '-I/usr/local/include' ],
+             }],
+           ],
+          },
+          'Release': {
+            'conditions': [
+              ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
+                'cflags!': [
+                  '-O2',
+                  '-Os',
+                ],
+                'cflags': [
+                  '-fomit-frame-pointer',
+                  '-O3',
+                ],
+                'conditions': [
+                  [ 'gcc_version==44', {
+                    'cflags': [
+                      # Avoid crashes with gcc 4.4 in the v8 test suite.
+                      '-fno-tree-vrp',
+                    ],
+                  }],
+                ],
+              }],
+             ['OS=="freebsd" or OS=="openbsd"', {
+               'cflags': [ '-I/usr/local/include' ],
+             }],
+              ['OS=="mac"', {
+                'xcode_settings': {
+                  'GCC_OPTIMIZATION_LEVEL': '3',  # -O3
+
+                  # -fstrict-aliasing.  Mainline gcc
+                  # enables this at -O2 and above,
+                  # but Apple gcc does not unless it
+                  # is specified explicitly.
+                  'GCC_STRICT_ALIASING': 'YES',
+                },
+              }],
+              ['OS=="win"', {
+                'msvs_configuration_attributes': {
+                  'OutputDirectory': '$(SolutionDir)$(ConfigurationName)',
+                  'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
+                  'CharacterSet': '1',
+                },
+                'msvs_settings': {
+                  'VCCLCompilerTool': {
+                    'Optimization': '2',
+                    'InlineFunctionExpansion': '2',
+                    'EnableIntrinsicFunctions': 'true',
+                    'FavorSizeOrSpeed': '0',
+                    'OmitFramePointers': 'true',
+                    'StringPooling': 'true',
+
+                    'conditions': [
+                      ['OS=="win" and component=="shared_library"', {
+                        'RuntimeLibrary': '2',  #/MD
+                      }, {
+                        'RuntimeLibrary': '0',  #/MT
+                      }],
+                    ],
+                  },
+                  'VCLinkerTool': {
+                    'LinkIncremental': '1',
+                    'OptimizeReferences': '2',
+                    'OptimizeForWindows98': '1',
+                    'EnableCOMDATFolding': '2',
+                  },
+                },
+              }],
+            ],
+          },
         },
+      },
+      'targets': [
         {
-          'dependencies': ['v8_nosnapshot'],
-        }],
-        ['OS=="win" and component=="shared_library"', {
-          'type': '<(component)',
-          'sources': [
-            '../../src/v8dll-main.cc',
-          ],
-          'defines': [
-            'BUILDING_V8_SHARED'
+          'target_name': 'v8',
+          'conditions': [
+            ['v8_use_snapshot=="true"', {
+              'dependencies': ['v8_snapshot'],
+            },
+            {
+              'dependencies': ['v8_nosnapshot'],
+            }],
+            ['OS=="win" and component=="shared_library"', {
+              'type': '<(component)',
+              'sources': [
+                '../../src/v8dll-main.cc',
+              ],
+              'defines': [
+                'BUILDING_V8_SHARED'
+              ],
+              'direct_dependent_settings': {
+                'defines': [
+                  'USING_V8_SHARED',
+                ],
+              },
+            },
+            {
+              'type': 'none',
+            }],
           ],
           'direct_dependent_settings': {
-            'defines': [
-              'USING_V8_SHARED',
+            'include_dirs': [
+               '../../include',
             ],
           },
         },
         {
-          'type': 'none',
-        }],
-      ],
-      'direct_dependent_settings': {
-        'include_dirs': [
-           '../../include',
-        ],
-      },
-    },
-    {
-      'target_name': 'v8_preparser',
-      'include_dirs': [
-        '../../include',
-        '../../src',
-      ],
-      'sources': [
-        '../../src/allocation.cc',
-        '../../src/hashmap.cc',
-        '../../src/preparse-data.cc',
-        '../../src/preparser.cc',
-        '../../src/preparser-api.cc',
-        '../../src/scanner-base.cc',
-        '../../src/token.cc',
-        '../../src/unicode.cc',
-      ],
-      'conditions': [
-        ['OS=="win" and component=="shared_library"', {
-          'sources': [ '../../src/v8preparserdll-main.cc' ],
-          'defines': [ 'BUILDING_V8_SHARED' ],
-          'direct_dependent_settings': {
-            'defines': [ 'USING_V8_SHARED' ]
-          },
-          'type': '<(component)',
-        } , {
-          'type': 'none'
-        }],
-        ['OS!="win"', {
-          'type': '<(library)'
-        }],
-      ]
-    },
-    {
-      'target_name': 'v8_snapshot',
-      'type': '<(library)',
-      'conditions': [
-        ['OS=="win" and component=="shared_library"', {
-          'defines': [
-            'BUILDING_V8_SHARED',
+          'target_name': 'v8_preparser',
+          'include_dirs': [
+            '../../include',
+            '../../src',
           ],
-        }],
-      ],
-      'dependencies': [
-        'mksnapshot#host',
-        'js2c#host',
-        'v8_base',
-      ],
-      'include_dirs+': [
-        '../../src',
-      ],
-      'sources': [
-        '<(SHARED_INTERMEDIATE_DIR)/libraries-empty.cc',
-        '<(INTERMEDIATE_DIR)/snapshot.cc',
-      ],
-      'actions': [
+          'sources': [
+            '../../src/allocation.cc',
+            '../../src/hashmap.cc',
+            '../../src/preparse-data.cc',
+            '../../src/preparser.cc',
+            '../../src/preparser-api.cc',
+            '../../src/scanner-base.cc',
+            '../../src/token.cc',
+            '../../src/unicode.cc',
+          ],
+          'conditions': [
+            ['OS=="win" and component=="shared_library"', {
+              'sources': [ '../../src/v8preparserdll-main.cc' ],
+              'defines': [ 'BUILDING_V8_SHARED' ],
+              'direct_dependent_settings': {
+                'defines': [ 'USING_V8_SHARED' ]
+              },
+              'type': '<(component)',
+            } , {
+              'type': 'none'
+            }],
+            ['OS!="win"', {
+              'type': '<(library)'
+            }],
+          ]
+        },
         {
-          'action_name': 'run_mksnapshot',
-          'inputs': [
-            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)mksnapshot<(EXECUTABLE_SUFFIX)',
+          'target_name': 'v8_snapshot',
+          'type': '<(library)',
+          'conditions': [
+            ['OS=="win" and component=="shared_library"', {
+              'defines': [
+                'BUILDING_V8_SHARED',
+              ],
+            }],
+          ],
+          'dependencies': [
+            'mksnapshot#host',
+            'js2c#host',
+            'v8_base',
+          ],
+          'include_dirs+': [
+            '../../src',
           ],
-          'outputs': [
+          'sources': [
+            '<(SHARED_INTERMEDIATE_DIR)/libraries-empty.cc',
             '<(INTERMEDIATE_DIR)/snapshot.cc',
           ],
-          'action': ['<@(_inputs)', '<@(_outputs)'],
+          'actions': [
+            {
+              'action_name': 'run_mksnapshot',
+              'inputs': [
+                '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)mksnapshot<(EXECUTABLE_SUFFIX)',
+              ],
+              'outputs': [
+                '<(INTERMEDIATE_DIR)/snapshot.cc',
+              ],
+              'action': ['<@(_inputs)', '<@(_outputs)'],
+            },
+          ],
         },
-      ],
-    },
-    {
-      'target_name': 'v8_nosnapshot',
-      'type': '<(library)',
-      'toolsets': ['host', 'target'],
-      'dependencies': [
-        'js2c#host',
-        'v8_base',
-      ],
-      'include_dirs+': [
-        '../../src',
-      ],
-      'sources': [
-        '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
-        '../../src/snapshot-empty.cc',
-      ],
-      'conditions': [
-        # The ARM assembler assumes the host is 32 bits, so force building
-        # 32-bit host tools.
-        ['v8_target_arch=="arm" and host_arch=="x64" and _toolset=="host"', {
-          'cflags': ['-m32'],
-          'ldflags': ['-m32'],
-        }],
-        ['OS=="win" and component=="shared_library"', {
-          'defines': [
-            'BUILDING_V8_SHARED',
+        {
+          'target_name': 'v8_nosnapshot',
+          'type': '<(library)',
+          'toolsets': ['host', 'target'],
+          'dependencies': [
+            'js2c#host',
+            'v8_base',
           ],
-        }],
-      ]
-    },
-    {
-      'target_name': 'v8_base',
-      'type': '<(library)',
-      'toolsets': ['host', 'target'],
-      'include_dirs+': [
-        '../../src',
-      ],
-      'sources': [
-        '../../src/accessors.cc',
-        '../../src/accessors.h',
-        '../../src/allocation.cc',
-        '../../src/allocation.h',
-        '../../src/api.cc',
-        '../../src/api.h',
-        '../../src/apiutils.h',
-        '../../src/arguments.h',
-        '../../src/assembler.cc',
-        '../../src/assembler.h',
-        '../../src/ast.cc',
-        '../../src/ast-inl.h',
-        '../../src/ast.h',
-        '../../src/atomicops_internals_x86_gcc.cc',
-        '../../src/bignum.cc',
-        '../../src/bignum.h',
-        '../../src/bignum-dtoa.cc',
-        '../../src/bignum-dtoa.h',
-        '../../src/bootstrapper.cc',
-        '../../src/bootstrapper.h',
-        '../../src/builtins.cc',
-        '../../src/builtins.h',
-        '../../src/bytecodes-irregexp.h',
-        '../../src/cached-powers.cc',
-        '../../src/cached-powers.h',
-        '../../src/char-predicates-inl.h',
-        '../../src/char-predicates.h',
-        '../../src/checks.cc',
-        '../../src/checks.h',
-        '../../src/circular-queue-inl.h',
-        '../../src/circular-queue.cc',
-        '../../src/circular-queue.h',
-        '../../src/code-stubs.cc',
-        '../../src/code-stubs.h',
-        '../../src/code.h',
-        '../../src/codegen-inl.h',
-        '../../src/codegen.cc',
-        '../../src/codegen.h',
-        '../../src/compilation-cache.cc',
-        '../../src/compilation-cache.h',
-        '../../src/compiler.cc',
-        '../../src/compiler.h',
-        '../../src/contexts.cc',
-        '../../src/contexts.h',
-        '../../src/conversions-inl.h',
-        '../../src/conversions.cc',
-        '../../src/conversions.h',
-        '../../src/counters.cc',
-        '../../src/counters.h',
-        '../../src/cpu.h',
-        '../../src/cpu-profiler-inl.h',
-        '../../src/cpu-profiler.cc',
-        '../../src/cpu-profiler.h',
-        '../../src/data-flow.cc',
-        '../../src/data-flow.h',
-        '../../src/dateparser.cc',
-        '../../src/dateparser.h',
-        '../../src/dateparser-inl.h',
-        '../../src/debug.cc',
-        '../../src/debug.h',
-        '../../src/debug-agent.cc',
-        '../../src/debug-agent.h',
-        '../../src/deoptimizer.cc',
-        '../../src/deoptimizer.h',     
-        '../../src/disasm.h',
-        '../../src/disassembler.cc',
-        '../../src/disassembler.h',
-        '../../src/dtoa.cc',
-        '../../src/dtoa.h',
-        '../../src/diy-fp.cc',
-        '../../src/diy-fp.h',
-        '../../src/double.h',
-        '../../src/execution.cc',
-        '../../src/execution.h',
-        '../../src/factory.cc',
-        '../../src/factory.h',
-        '../../src/fast-dtoa.cc',
-        '../../src/fast-dtoa.h',
-        '../../src/flag-definitions.h',
-        '../../src/fixed-dtoa.cc',
-        '../../src/fixed-dtoa.h',
-        '../../src/flags.cc',
-        '../../src/flags.h',
-        '../../src/frame-element.cc',
-        '../../src/frame-element.h',
-        '../../src/frames-inl.h',
-        '../../src/frames.cc',
-        '../../src/frames.h',
-        '../../src/full-codegen.cc',
-        '../../src/full-codegen.h',
-        '../../src/func-name-inferrer.cc',
-        '../../src/func-name-inferrer.h',
-        '../../src/global-handles.cc',
-        '../../src/global-handles.h',
-        '../../src/globals.h',
-        '../../src/handles-inl.h',
-        '../../src/handles.cc',
-        '../../src/handles.h',
-        '../../src/hashmap.cc',
-        '../../src/hashmap.h',
-        '../../src/heap-inl.h',
-        '../../src/heap.cc',
-        '../../src/heap.h',
-        '../../src/heap-profiler.cc',
-        '../../src/heap-profiler.h',
-        '../../src/hydrogen.cc',
-        '../../src/hydrogen.h',
-        '../../src/hydrogen-instructions.cc',
-        '../../src/hydrogen-instructions.h',
-        '../../src/ic-inl.h',
-        '../../src/ic.cc',
-        '../../src/ic.h',
-        '../../src/interpreter-irregexp.cc',
-        '../../src/interpreter-irregexp.h',
-        '../../src/jump-target-inl.h',
-        '../../src/jump-target.cc',
-        '../../src/jump-target.h',
-        '../../src/jsregexp.cc',
-        '../../src/jsregexp.h',
-        '../../src/list-inl.h',
-        '../../src/list.h',
-        '../../src/lithium-allocator.cc',
-        '../../src/lithium-allocator.h',
-        '../../src/liveedit.cc',
-        '../../src/liveedit.h',
-        '../../src/log-inl.h',
-        '../../src/log-utils.cc',
-        '../../src/log-utils.h',
-        '../../src/log.cc',
-        '../../src/log.h',
-        '../../src/macro-assembler.h',
-        '../../src/mark-compact.cc',
-        '../../src/mark-compact.h',
-        '../../src/memory.h',
-        '../../src/messages.cc',
-        '../../src/messages.h',
-        '../../src/natives.h',
-        '../../src/objects-debug.cc',
-        '../../src/objects-printer.cc',
-        '../../src/objects-inl.h',
-        '../../src/objects-visiting.cc',
-        '../../src/objects-visiting.h',
-        '../../src/objects.cc',
-        '../../src/objects.h',
-        '../../src/oprofile-agent.h',
-        '../../src/oprofile-agent.cc',
-        '../../src/parser.cc',
-        '../../src/parser.h',
-        '../../src/platform.h',
-        '../../src/preparse-data.cc',
-        '../../src/preparse-data.h',
-        '../../src/preparser.cc',
-        '../../src/preparser.h',
-        '../../src/prettyprinter.cc',
-        '../../src/prettyprinter.h',
-        '../../src/property.cc',
-        '../../src/property.h',
-        '../../src/profile-generator-inl.h',
-        '../../src/profile-generator.cc',
-        '../../src/profile-generator.h',
-        '../../src/regexp-macro-assembler-irregexp-inl.h',
-        '../../src/regexp-macro-assembler-irregexp.cc',
-        '../../src/regexp-macro-assembler-irregexp.h',
-        '../../src/regexp-macro-assembler-tracer.cc',
-        '../../src/regexp-macro-assembler-tracer.h',
-        '../../src/regexp-macro-assembler.cc',
-        '../../src/regexp-macro-assembler.h',
-        '../../src/regexp-stack.cc',
-        '../../src/regexp-stack.h',
-        '../../src/register-allocator.h',
-        '../../src/register-allocator-inl.h',
-        '../../src/register-allocator.cc',
-        '../../src/rewriter.cc',
-        '../../src/rewriter.h',
-        '../../src/runtime.cc',
-        '../../src/runtime.h',
-        '../../src/runtime-profiler.cc',
-        '../../src/runtime-profiler.h',
-        '../../src/safepoint-table.cc',
-        '../../src/safepoint-table.h',
-        '../../src/scanner-base.cc',
-        '../../src/scanner-base.h',
-        '../../src/scanner.cc',
-        '../../src/scanner.h',
-        '../../src/scopeinfo.cc',
-        '../../src/scopeinfo.h',
-        '../../src/scopes.cc',
-        '../../src/scopes.h',
-        '../../src/serialize.cc',
-        '../../src/serialize.h',
-        '../../src/shell.h',
-        '../../src/smart-pointer.h',
-        '../../src/snapshot-common.cc',
-        '../../src/snapshot.h',
-        '../../src/spaces-inl.h',
-        '../../src/spaces.cc',
-        '../../src/spaces.h',
-        '../../src/string-search.cc',
-        '../../src/string-search.h',
-        '../../src/string-stream.cc',
-        '../../src/string-stream.h',
-        '../../src/strtod.cc',
-        '../../src/strtod.h',
-        '../../src/stub-cache.cc',
-        '../../src/stub-cache.h',
-        '../../src/token.cc',
-        '../../src/token.h',
-        '../../src/top.cc',
-        '../../src/top.h',
-        '../../src/type-info.cc',
-        '../../src/type-info.h',
-        '../../src/unbound-queue-inl.h',
-        '../../src/unbound-queue.h',
-        '../../src/unicode-inl.h',
-        '../../src/unicode.cc',
-        '../../src/unicode.h',
-        '../../src/utils.cc',
-        '../../src/utils.h',
-        '../../src/v8-counters.cc',
-        '../../src/v8-counters.h',
-        '../../src/v8.cc',
-        '../../src/v8.h',
-        '../../src/v8checks.h',
-        '../../src/v8globals.h',
-        '../../src/v8threads.cc',
-        '../../src/v8threads.h',
-        '../../src/v8utils.h',
-        '../../src/variables.cc',
-        '../../src/variables.h',
-        '../../src/version.cc',
-        '../../src/version.h',
-        '../../src/virtual-frame-inl.h',
-        '../../src/virtual-frame.cc',
-        '../../src/virtual-frame.h',
-        '../../src/vm-state-inl.h',
-        '../../src/vm-state.h',
-        '../../src/zone-inl.h',
-        '../../src/zone.cc',
-        '../../src/zone.h',
-        '../../src/extensions/externalize-string-extension.cc',
-        '../../src/extensions/externalize-string-extension.h',
-        '../../src/extensions/gc-extension.cc',
-        '../../src/extensions/gc-extension.h',
-      ],
-      'conditions': [
-        ['v8_target_arch=="arm"', {
           'include_dirs+': [
-            '../../src/arm',
+            '../../src',
           ],
           'sources': [
-            '../../src/jump-target-light.h',
-            '../../src/jump-target-light-inl.h',
-            '../../src/jump-target-light.cc',
-            '../../src/virtual-frame-light-inl.h',
-            '../../src/virtual-frame-light.cc',
-            '../../src/arm/assembler-arm-inl.h',
-            '../../src/arm/assembler-arm.cc',
-            '../../src/arm/assembler-arm.h',
-            '../../src/arm/builtins-arm.cc',
-            '../../src/arm/code-stubs-arm.cc',
-            '../../src/arm/code-stubs-arm.h',
-            '../../src/arm/codegen-arm.cc',
-            '../../src/arm/codegen-arm.h',
-            '../../src/arm/constants-arm.h',
-            '../../src/arm/constants-arm.cc',
-            '../../src/arm/cpu-arm.cc',
-            '../../src/arm/debug-arm.cc',
-            '../../src/arm/deoptimizer-arm.cc',
-            '../../src/arm/disasm-arm.cc',
-            '../../src/arm/frames-arm.cc',
-            '../../src/arm/frames-arm.h',
-            '../../src/arm/full-codegen-arm.cc',
-            '../../src/arm/ic-arm.cc',
-            '../../src/arm/jump-target-arm.cc',
-            '../../src/arm/lithium-codegen-arm.cc',
-            '../../src/arm/lithium-codegen-arm.h',
-            '../../src/arm/lithium-arm.cc',
-            '../../src/arm/lithium-arm.h',
-            '../../src/arm/macro-assembler-arm.cc',
-            '../../src/arm/macro-assembler-arm.h',
-            '../../src/arm/regexp-macro-assembler-arm.cc',
-            '../../src/arm/regexp-macro-assembler-arm.h',
-            '../../src/arm/register-allocator-arm.cc',
-            '../../src/arm/simulator-arm.cc',
-            '../../src/arm/stub-cache-arm.cc',
-            '../../src/arm/virtual-frame-arm-inl.h',
-            '../../src/arm/virtual-frame-arm.cc',
-            '../../src/arm/virtual-frame-arm.h',
+            '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
+            '../../src/snapshot-empty.cc',
           ],
           'conditions': [
             # The ARM assembler assumes the host is 32 bits, so force building
             # 32-bit host tools.
-            ['host_arch=="x64" and _toolset=="host"', {
+            ['v8_target_arch=="arm" and host_arch=="x64" and _toolset=="host"', {
               'cflags': ['-m32'],
               'ldflags': ['-m32'],
-            }]
+            }],
+            ['OS=="win" and component=="shared_library"', {
+              'defines': [
+                'BUILDING_V8_SHARED',
+              ],
+            }],
           ]
-        }],
-        ['v8_target_arch=="ia32" or v8_target_arch=="mac" or OS=="mac"', {
-          'include_dirs+': [
-            '../../src/ia32',
-          ],
-          'sources': [
-            '../../src/jump-target-heavy.h',
-            '../../src/jump-target-heavy-inl.h',
-            '../../src/jump-target-heavy.cc',
-            '../../src/virtual-frame-heavy-inl.h',
-            '../../src/virtual-frame-heavy.cc',
-            '../../src/ia32/assembler-ia32-inl.h',
-            '../../src/ia32/assembler-ia32.cc',
-            '../../src/ia32/assembler-ia32.h',
-            '../../src/ia32/builtins-ia32.cc',
-            '../../src/ia32/code-stubs-ia32.cc',
-            '../../src/ia32/code-stubs-ia32.h',
-            '../../src/ia32/codegen-ia32.cc',
-            '../../src/ia32/codegen-ia32.h',
-            '../../src/ia32/cpu-ia32.cc',
-            '../../src/ia32/debug-ia32.cc',
-            '../../src/ia32/deoptimizer-ia32.cc',
-            '../../src/ia32/disasm-ia32.cc',
-            '../../src/ia32/frames-ia32.cc',
-            '../../src/ia32/frames-ia32.h',
-            '../../src/ia32/full-codegen-ia32.cc',
-            '../../src/ia32/ic-ia32.cc',
-            '../../src/ia32/jump-target-ia32.cc',
-            '../../src/ia32/lithium-codegen-ia32.cc',
-            '../../src/ia32/lithium-codegen-ia32.h',
-            '../../src/ia32/lithium-ia32.cc',
-            '../../src/ia32/lithium-ia32.h',
-            '../../src/ia32/macro-assembler-ia32.cc',
-            '../../src/ia32/macro-assembler-ia32.h',
-            '../../src/ia32/regexp-macro-assembler-ia32.cc',
-            '../../src/ia32/regexp-macro-assembler-ia32.h',
-            '../../src/ia32/register-allocator-ia32.cc',
-            '../../src/ia32/stub-cache-ia32.cc',
-            '../../src/ia32/virtual-frame-ia32.cc',
-            '../../src/ia32/virtual-frame-ia32.h',
-          ],
-        }],
-        ['v8_target_arch=="x64" or v8_target_arch=="mac" or OS=="mac"', {
+        },
+        {
+          'target_name': 'v8_base',
+          'type': '<(library)',
+          'toolsets': ['host', 'target'],
           'include_dirs+': [
-            '../../src/x64',
+            '../../src',
           ],
           'sources': [
-            '../../src/jump-target-heavy.h',
-            '../../src/jump-target-heavy-inl.h',
-            '../../src/jump-target-heavy.cc',
-            '../../src/virtual-frame-heavy-inl.h',
-            '../../src/virtual-frame-heavy.cc',
-            '../../src/x64/assembler-x64-inl.h',
-            '../../src/x64/assembler-x64.cc',
-            '../../src/x64/assembler-x64.h',
-            '../../src/x64/builtins-x64.cc',
-            '../../src/x64/code-stubs-x64.cc',
-            '../../src/x64/code-stubs-x64.h',
-            '../../src/x64/codegen-x64.cc',
-            '../../src/x64/codegen-x64.h',
-            '../../src/x64/cpu-x64.cc',
-            '../../src/x64/debug-x64.cc',
-            '../../src/x64/deoptimizer-x64.cc',
-            '../../src/x64/disasm-x64.cc',
-            '../../src/x64/frames-x64.cc',
-            '../../src/x64/frames-x64.h',
-            '../../src/x64/full-codegen-x64.cc',
-            '../../src/x64/ic-x64.cc',
-            '../../src/x64/jump-target-x64.cc',
-            '../../src/x64/macro-assembler-x64.cc',
-            '../../src/x64/macro-assembler-x64.h',
-            '../../src/x64/regexp-macro-assembler-x64.cc',
-            '../../src/x64/regexp-macro-assembler-x64.h',
-            '../../src/x64/register-allocator-x64.cc',
-            '../../src/x64/stub-cache-x64.cc',
-            '../../src/x64/virtual-frame-x64.cc',
-            '../../src/x64/virtual-frame-x64.h',
+            '../../src/accessors.cc',
+            '../../src/accessors.h',
+            '../../src/allocation.cc',
+            '../../src/allocation.h',
+            '../../src/api.cc',
+            '../../src/api.h',
+            '../../src/apiutils.h',
+            '../../src/arguments.h',
+            '../../src/assembler.cc',
+            '../../src/assembler.h',
+            '../../src/ast.cc',
+            '../../src/ast-inl.h',
+            '../../src/ast.h',
+            '../../src/atomicops_internals_x86_gcc.cc',
+            '../../src/bignum.cc',
+            '../../src/bignum.h',
+            '../../src/bignum-dtoa.cc',
+            '../../src/bignum-dtoa.h',
+            '../../src/bootstrapper.cc',
+            '../../src/bootstrapper.h',
+            '../../src/builtins.cc',
+            '../../src/builtins.h',
+            '../../src/bytecodes-irregexp.h',
+            '../../src/cached-powers.cc',
+            '../../src/cached-powers.h',
+            '../../src/char-predicates-inl.h',
+            '../../src/char-predicates.h',
+            '../../src/checks.cc',
+            '../../src/checks.h',
+            '../../src/circular-queue-inl.h',
+            '../../src/circular-queue.cc',
+            '../../src/circular-queue.h',
+            '../../src/code-stubs.cc',
+            '../../src/code-stubs.h',
+            '../../src/code.h',
+            '../../src/codegen-inl.h',
+            '../../src/codegen.cc',
+            '../../src/codegen.h',
+            '../../src/compilation-cache.cc',
+            '../../src/compilation-cache.h',
+            '../../src/compiler.cc',
+            '../../src/compiler.h',
+            '../../src/contexts.cc',
+            '../../src/contexts.h',
+            '../../src/conversions-inl.h',
+            '../../src/conversions.cc',
+            '../../src/conversions.h',
+            '../../src/counters.cc',
+            '../../src/counters.h',
+            '../../src/cpu.h',
+            '../../src/cpu-profiler-inl.h',
+            '../../src/cpu-profiler.cc',
+            '../../src/cpu-profiler.h',
+            '../../src/data-flow.cc',
+            '../../src/data-flow.h',
+            '../../src/dateparser.cc',
+            '../../src/dateparser.h',
+            '../../src/dateparser-inl.h',
+            '../../src/debug.cc',
+            '../../src/debug.h',
+            '../../src/debug-agent.cc',
+            '../../src/debug-agent.h',
+            '../../src/deoptimizer.cc',
+            '../../src/deoptimizer.h',
+            '../../src/disasm.h',
+            '../../src/disassembler.cc',
+            '../../src/disassembler.h',
+            '../../src/dtoa.cc',
+            '../../src/dtoa.h',
+            '../../src/diy-fp.cc',
+            '../../src/diy-fp.h',
+            '../../src/double.h',
+            '../../src/execution.cc',
+            '../../src/execution.h',
+            '../../src/factory.cc',
+            '../../src/factory.h',
+            '../../src/fast-dtoa.cc',
+            '../../src/fast-dtoa.h',
+            '../../src/flag-definitions.h',
+            '../../src/fixed-dtoa.cc',
+            '../../src/fixed-dtoa.h',
+            '../../src/flags.cc',
+            '../../src/flags.h',
+            '../../src/frame-element.cc',
+            '../../src/frame-element.h',
+            '../../src/frames-inl.h',
+            '../../src/frames.cc',
+            '../../src/frames.h',
+            '../../src/full-codegen.cc',
+            '../../src/full-codegen.h',
+            '../../src/func-name-inferrer.cc',
+            '../../src/func-name-inferrer.h',
+            '../../src/global-handles.cc',
+            '../../src/global-handles.h',
+            '../../src/globals.h',
+            '../../src/handles-inl.h',
+            '../../src/handles.cc',
+            '../../src/handles.h',
+            '../../src/hashmap.cc',
+            '../../src/hashmap.h',
+            '../../src/heap-inl.h',
+            '../../src/heap.cc',
+            '../../src/heap.h',
+            '../../src/heap-profiler.cc',
+            '../../src/heap-profiler.h',
+            '../../src/hydrogen.cc',
+            '../../src/hydrogen.h',
+            '../../src/hydrogen-instructions.cc',
+            '../../src/hydrogen-instructions.h',
+            '../../src/ic-inl.h',
+            '../../src/ic.cc',
+            '../../src/ic.h',
+            '../../src/interpreter-irregexp.cc',
+            '../../src/interpreter-irregexp.h',
+            '../../src/jump-target-inl.h',
+            '../../src/jump-target.cc',
+            '../../src/jump-target.h',
+            '../../src/jsregexp.cc',
+            '../../src/jsregexp.h',
+            '../../src/list-inl.h',
+            '../../src/list.h',
+            '../../src/lithium-allocator.cc',
+            '../../src/lithium-allocator.h',
+            '../../src/liveedit.cc',
+            '../../src/liveedit.h',
+            '../../src/log-inl.h',
+            '../../src/log-utils.cc',
+            '../../src/log-utils.h',
+            '../../src/log.cc',
+            '../../src/log.h',
+            '../../src/macro-assembler.h',
+            '../../src/mark-compact.cc',
+            '../../src/mark-compact.h',
+            '../../src/memory.h',
+            '../../src/messages.cc',
+            '../../src/messages.h',
+            '../../src/natives.h',
+            '../../src/objects-debug.cc',
+            '../../src/objects-printer.cc',
+            '../../src/objects-inl.h',
+            '../../src/objects-visiting.cc',
+            '../../src/objects-visiting.h',
+            '../../src/objects.cc',
+            '../../src/objects.h',
+            '../../src/oprofile-agent.h',
+            '../../src/oprofile-agent.cc',
+            '../../src/parser.cc',
+            '../../src/parser.h',
+            '../../src/platform.h',
+            '../../src/preparse-data.cc',
+            '../../src/preparse-data.h',
+            '../../src/preparser.cc',
+            '../../src/preparser.h',
+            '../../src/prettyprinter.cc',
+            '../../src/prettyprinter.h',
+            '../../src/property.cc',
+            '../../src/property.h',
+            '../../src/profile-generator-inl.h',
+            '../../src/profile-generator.cc',
+            '../../src/profile-generator.h',
+            '../../src/regexp-macro-assembler-irregexp-inl.h',
+            '../../src/regexp-macro-assembler-irregexp.cc',
+            '../../src/regexp-macro-assembler-irregexp.h',
+            '../../src/regexp-macro-assembler-tracer.cc',
+            '../../src/regexp-macro-assembler-tracer.h',
+            '../../src/regexp-macro-assembler.cc',
+            '../../src/regexp-macro-assembler.h',
+            '../../src/regexp-stack.cc',
+            '../../src/regexp-stack.h',
+            '../../src/register-allocator.h',
+            '../../src/register-allocator-inl.h',
+            '../../src/register-allocator.cc',
+            '../../src/rewriter.cc',
+            '../../src/rewriter.h',
+            '../../src/runtime.cc',
+            '../../src/runtime.h',
+            '../../src/runtime-profiler.cc',
+            '../../src/runtime-profiler.h',
+            '../../src/safepoint-table.cc',
+            '../../src/safepoint-table.h',
+            '../../src/scanner-base.cc',
+            '../../src/scanner-base.h',
+            '../../src/scanner.cc',
+            '../../src/scanner.h',
+            '../../src/scopeinfo.cc',
+            '../../src/scopeinfo.h',
+            '../../src/scopes.cc',
+            '../../src/scopes.h',
+            '../../src/serialize.cc',
+            '../../src/serialize.h',
+            '../../src/shell.h',
+            '../../src/smart-pointer.h',
+            '../../src/snapshot-common.cc',
+            '../../src/snapshot.h',
+            '../../src/spaces-inl.h',
+            '../../src/spaces.cc',
+            '../../src/spaces.h',
+            '../../src/string-search.cc',
+            '../../src/string-search.h',
+            '../../src/string-stream.cc',
+            '../../src/string-stream.h',
+            '../../src/strtod.cc',
+            '../../src/strtod.h',
+            '../../src/stub-cache.cc',
+            '../../src/stub-cache.h',
+            '../../src/token.cc',
+            '../../src/token.h',
+            '../../src/top.cc',
+            '../../src/top.h',
+            '../../src/type-info.cc',
+            '../../src/type-info.h',
+            '../../src/unbound-queue-inl.h',
+            '../../src/unbound-queue.h',
+            '../../src/unicode-inl.h',
+            '../../src/unicode.cc',
+            '../../src/unicode.h',
+            '../../src/utils.cc',
+            '../../src/utils.h',
+            '../../src/v8-counters.cc',
+            '../../src/v8-counters.h',
+            '../../src/v8.cc',
+            '../../src/v8.h',
+            '../../src/v8checks.h',
+            '../../src/v8globals.h',
+            '../../src/v8threads.cc',
+            '../../src/v8threads.h',
+            '../../src/v8utils.h',
+            '../../src/variables.cc',
+            '../../src/variables.h',
+            '../../src/version.cc',
+            '../../src/version.h',
+            '../../src/virtual-frame-inl.h',
+            '../../src/virtual-frame.cc',
+            '../../src/virtual-frame.h',
+            '../../src/vm-state-inl.h',
+            '../../src/vm-state.h',
+            '../../src/zone-inl.h',
+            '../../src/zone.cc',
+            '../../src/zone.h',
+            '../../src/extensions/externalize-string-extension.cc',
+            '../../src/extensions/externalize-string-extension.h',
+            '../../src/extensions/gc-extension.cc',
+            '../../src/extensions/gc-extension.h',
           ],
-        }],
-        ['OS=="linux"', {
-            'link_settings': {
-              'libraries': [
-                # Needed for clock_gettime() used by src/platform-linux.cc.
-                '-lrt',
-            ]},
-            'sources': [
-              '../../src/platform-linux.cc',
-              '../../src/platform-posix.cc'
+          'conditions': [
+            ['v8_target_arch=="arm"', {
+              'include_dirs+': [
+                '../../src/arm',
+              ],
+              'sources': [
+                '../../src/jump-target-light.h',
+                '../../src/jump-target-light-inl.h',
+                '../../src/jump-target-light.cc',
+                '../../src/virtual-frame-light-inl.h',
+                '../../src/virtual-frame-light.cc',
+                '../../src/arm/assembler-arm-inl.h',
+                '../../src/arm/assembler-arm.cc',
+                '../../src/arm/assembler-arm.h',
+                '../../src/arm/builtins-arm.cc',
+                '../../src/arm/code-stubs-arm.cc',
+                '../../src/arm/code-stubs-arm.h',
+                '../../src/arm/codegen-arm.cc',
+                '../../src/arm/codegen-arm.h',
+                '../../src/arm/constants-arm.h',
+                '../../src/arm/constants-arm.cc',
+                '../../src/arm/cpu-arm.cc',
+                '../../src/arm/debug-arm.cc',
+                '../../src/arm/deoptimizer-arm.cc',
+                '../../src/arm/disasm-arm.cc',
+                '../../src/arm/frames-arm.cc',
+                '../../src/arm/frames-arm.h',
+                '../../src/arm/full-codegen-arm.cc',
+                '../../src/arm/ic-arm.cc',
+                '../../src/arm/jump-target-arm.cc',
+                '../../src/arm/lithium-codegen-arm.cc',
+                '../../src/arm/lithium-codegen-arm.h',
+                '../../src/arm/lithium-arm.cc',
+                '../../src/arm/lithium-arm.h',
+                '../../src/arm/macro-assembler-arm.cc',
+                '../../src/arm/macro-assembler-arm.h',
+                '../../src/arm/regexp-macro-assembler-arm.cc',
+                '../../src/arm/regexp-macro-assembler-arm.h',
+                '../../src/arm/register-allocator-arm.cc',
+                '../../src/arm/simulator-arm.cc',
+                '../../src/arm/stub-cache-arm.cc',
+                '../../src/arm/virtual-frame-arm-inl.h',
+                '../../src/arm/virtual-frame-arm.cc',
+                '../../src/arm/virtual-frame-arm.h',
+              ],
+              'conditions': [
+                # The ARM assembler assumes the host is 32 bits,
+                # so force building 32-bit host tools.
+                ['host_arch=="x64" and _toolset=="host"', {
+                  'cflags': ['-m32'],
+                  'ldflags': ['-m32'],
+                }]
+              ]
+            }],
+            ['v8_target_arch=="ia32" or v8_target_arch=="mac" or OS=="mac"', {
+              'include_dirs+': [
+                '../../src/ia32',
+              ],
+              'sources': [
+                '../../src/jump-target-heavy.h',
+                '../../src/jump-target-heavy-inl.h',
+                '../../src/jump-target-heavy.cc',
+                '../../src/virtual-frame-heavy-inl.h',
+                '../../src/virtual-frame-heavy.cc',
+                '../../src/ia32/assembler-ia32-inl.h',
+                '../../src/ia32/assembler-ia32.cc',
+                '../../src/ia32/assembler-ia32.h',
+                '../../src/ia32/builtins-ia32.cc',
+                '../../src/ia32/code-stubs-ia32.cc',
+                '../../src/ia32/code-stubs-ia32.h',
+                '../../src/ia32/codegen-ia32.cc',
+                '../../src/ia32/codegen-ia32.h',
+                '../../src/ia32/cpu-ia32.cc',
+                '../../src/ia32/debug-ia32.cc',
+                '../../src/ia32/deoptimizer-ia32.cc',
+                '../../src/ia32/disasm-ia32.cc',
+                '../../src/ia32/frames-ia32.cc',
+                '../../src/ia32/frames-ia32.h',
+                '../../src/ia32/full-codegen-ia32.cc',
+                '../../src/ia32/ic-ia32.cc',
+                '../../src/ia32/jump-target-ia32.cc',
+                '../../src/ia32/lithium-codegen-ia32.cc',
+                '../../src/ia32/lithium-codegen-ia32.h',
+                '../../src/ia32/lithium-ia32.cc',
+                '../../src/ia32/lithium-ia32.h',
+                '../../src/ia32/macro-assembler-ia32.cc',
+                '../../src/ia32/macro-assembler-ia32.h',
+                '../../src/ia32/regexp-macro-assembler-ia32.cc',
+                '../../src/ia32/regexp-macro-assembler-ia32.h',
+                '../../src/ia32/register-allocator-ia32.cc',
+                '../../src/ia32/stub-cache-ia32.cc',
+                '../../src/ia32/virtual-frame-ia32.cc',
+                '../../src/ia32/virtual-frame-ia32.h',
+              ],
+            }],
+            ['v8_target_arch=="x64" or v8_target_arch=="mac" or OS=="mac"', {
+              'include_dirs+': [
+                '../../src/x64',
+              ],
+              'sources': [
+                '../../src/jump-target-heavy.h',
+                '../../src/jump-target-heavy-inl.h',
+                '../../src/jump-target-heavy.cc',
+                '../../src/virtual-frame-heavy-inl.h',
+                '../../src/virtual-frame-heavy.cc',
+                '../../src/x64/assembler-x64-inl.h',
+                '../../src/x64/assembler-x64.cc',
+                '../../src/x64/assembler-x64.h',
+                '../../src/x64/builtins-x64.cc',
+                '../../src/x64/code-stubs-x64.cc',
+                '../../src/x64/code-stubs-x64.h',
+                '../../src/x64/codegen-x64.cc',
+                '../../src/x64/codegen-x64.h',
+                '../../src/x64/cpu-x64.cc',
+                '../../src/x64/debug-x64.cc',
+                '../../src/x64/deoptimizer-x64.cc',
+                '../../src/x64/disasm-x64.cc',
+                '../../src/x64/frames-x64.cc',
+                '../../src/x64/frames-x64.h',
+                '../../src/x64/full-codegen-x64.cc',
+                '../../src/x64/ic-x64.cc',
+                '../../src/x64/jump-target-x64.cc',
+                '../../src/x64/macro-assembler-x64.cc',
+                '../../src/x64/macro-assembler-x64.h',
+                '../../src/x64/regexp-macro-assembler-x64.cc',
+                '../../src/x64/regexp-macro-assembler-x64.h',
+                '../../src/x64/register-allocator-x64.cc',
+                '../../src/x64/stub-cache-x64.cc',
+                '../../src/x64/virtual-frame-x64.cc',
+                '../../src/x64/virtual-frame-x64.h',
+              ],
+            }],
+            ['OS=="linux"', {
+                'link_settings': {
+                  'libraries': [
+                    # Needed for clock_gettime() used by src/platform-linux.cc.
+                    '-lrt',
+                ]},
+                'sources': [
+                  '../../src/platform-linux.cc',
+                  '../../src/platform-posix.cc'
+                ],
+              }
             ],
-          }
-        ],
-        ['OS=="freebsd"', {
-            'link_settings': {
-              'libraries': [
-                '-L/usr/local/lib -lexecinfo',
-            ]},
-            'sources': [
-              '../../src/platform-freebsd.cc',
-              '../../src/platform-posix.cc'
+            ['OS=="freebsd"', {
+                'link_settings': {
+                  'libraries': [
+                    '-L/usr/local/lib -lexecinfo',
+                ]},
+                'sources': [
+                  '../../src/platform-freebsd.cc',
+                  '../../src/platform-posix.cc'
+                ],
+              }
             ],
-          }
-        ],
-        ['OS=="openbsd"', {
-            'link_settings': {
-              'libraries': [
-                '-L/usr/local/lib -lexecinfo',
-            ]},
-            'sources': [
-              '../../src/platform-openbsd.cc',
-              '../../src/platform-posix.cc'
+            ['OS=="openbsd"', {
+                'link_settings': {
+                  'libraries': [
+                    '-L/usr/local/lib -lexecinfo',
+                ]},
+                'sources': [
+                  '../../src/platform-openbsd.cc',
+                  '../../src/platform-posix.cc'
+                ],
+              }
             ],
-          }
-        ],
-        ['OS=="mac"', {
-          'sources': [
-            '../../src/platform-macos.cc',
-            '../../src/platform-posix.cc'
-          ]},
-        ],
-        ['OS=="win"', {
-          'sources': [
-            '../../src/platform-win32.cc',
+            ['OS=="mac"', {
+              'sources': [
+                '../../src/platform-macos.cc',
+                '../../src/platform-posix.cc'
+              ]},
+            ],
+            ['OS=="win"', {
+              'sources': [
+                '../../src/platform-win32.cc',
+              ],
+              # 4355, 4800 came from common.vsprops
+              'msvs_disabled_warnings': [4355, 4800],
+              'link_settings':  {
+                'libraries': [ '-lwinmm.lib' ],
+              },
+            }],
+            ['OS=="win" and component=="shared_library"', {
+              'defines': [
+                'BUILDING_V8_SHARED'
+              ],
+            }],
           ],
-          # 4355, 4800 came from common.vsprops
-          'msvs_disabled_warnings': [4355, 4800],
-          'link_settings':  {
-            'libraries': [ '-lwinmm.lib' ],
+        },
+        {
+          'target_name': 'js2c',
+          'type': 'none',
+          'toolsets': ['host'],
+          'variables': {
+            'library_files': [
+              '../../src/runtime.js',
+              '../../src/v8natives.js',
+              '../../src/array.js',
+              '../../src/string.js',
+              '../../src/uri.js',
+              '../../src/math.js',
+              '../../src/messages.js',
+              '../../src/apinatives.js',
+              '../../src/debug-debugger.js',
+              '../../src/mirror-debugger.js',
+              '../../src/liveedit-debugger.js',
+              '../../src/date.js',
+              '../../src/json.js',
+              '../../src/regexp.js',
+              '../../src/macros.py',
+            ],
           },
-        }],
-        ['OS=="win" and component=="shared_library"', {
-          'defines': [
-            'BUILDING_V8_SHARED'
+          'actions': [
+            {
+              'action_name': 'js2c',
+              'inputs': [
+                '../../tools/js2c.py',
+                '<@(library_files)',
+              ],
+              'outputs': [
+                '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
+                '<(SHARED_INTERMEDIATE_DIR)/libraries-empty.cc',
+              ],
+              'action': [
+                'python',
+                '../../tools/js2c.py',
+                '<@(_outputs)',
+                'CORE',
+                '<@(library_files)'
+              ],
+            },
           ],
-        }],
-      ],
-    },
-    {
-      'target_name': 'js2c',
-      'type': 'none',
-      'toolsets': ['host'],
-      'variables': {
-        'library_files': [
-          '../../src/runtime.js',
-          '../../src/v8natives.js',
-          '../../src/array.js',
-          '../../src/string.js',
-          '../../src/uri.js',
-          '../../src/math.js',
-          '../../src/messages.js',
-          '../../src/apinatives.js',
-          '../../src/debug-debugger.js',
-          '../../src/mirror-debugger.js',
-          '../../src/liveedit-debugger.js',
-          '../../src/date.js',
-          '../../src/json.js',
-          '../../src/regexp.js',
-          '../../src/macros.py',
-        ],
-      },
-      'actions': [
+        },
         {
-          'action_name': 'js2c',
-          'inputs': [
-            '../../tools/js2c.py',
-            '<@(library_files)',
+          'target_name': 'mksnapshot',
+          'type': 'executable',
+          'toolsets': ['host'],
+          'dependencies': [
+            'v8_nosnapshot',
           ],
-          'outputs': [
-            '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
-            '<(SHARED_INTERMEDIATE_DIR)/libraries-empty.cc',
+          'include_dirs+': [
+            '../../src',
           ],
-          'action': [
-            'python',
-            '../../tools/js2c.py',
-            '<@(_outputs)',
-            'CORE',
-            '<@(library_files)'
+          'sources': [
+            '../../src/mksnapshot.cc',
+          ],
+          'conditions': [
+            # The ARM assembler assumes the host is 32 bits, so force building
+            # 32-bit host tools.
+            ['v8_target_arch=="arm" and host_arch=="x64" and _toolset=="host"', {
+              'cflags': ['-m32'],
+              'ldflags': ['-m32'],
+            }]
+          ]
+        },
+        {
+          'target_name': 'v8_shell',
+          'type': 'executable',
+          'dependencies': [
+            'v8'
+          ],
+          'sources': [
+            '../../samples/shell.cc',
+          ],
+          'conditions': [
+            ['OS=="win"', {
+              # This could be gotten by not setting chromium_code, if that's OK.
+              'defines': ['_CRT_SECURE_NO_WARNINGS'],
+            }],
           ],
         },
       ],
-    },
-    {
-      'target_name': 'mksnapshot',
-      'type': 'executable',
-      'toolsets': ['host'],
-      'dependencies': [
-        'v8_nosnapshot',
-      ],
-      'include_dirs+': [
-        '../../src',
-      ],
-      'sources': [
-        '../../src/mksnapshot.cc',
-      ],
-      'conditions': [
-        # The ARM assembler assumes the host is 32 bits, so force building
-        # 32-bit host tools.
-        ['v8_target_arch=="arm" and host_arch=="x64" and _toolset=="host"', {
-          'cflags': ['-m32'],
-          'ldflags': ['-m32'],
-        }]
-      ]
-    },
-    {
-      'target_name': 'v8_shell',
-      'type': 'executable',
-      'dependencies': [
-        'v8'
-      ],
-      'sources': [
-        '../../samples/shell.cc',
-      ],
-      'conditions': [
-        ['OS=="win"', {
-          # This could be gotten by not setting chromium_code, if that's OK.
-          'defines': ['_CRT_SECURE_NO_WARNINGS'],
-        }],
+    }, { # use_system_v8 != 0
+      'targets': [
+        {
+          'target_name': 'v8',
+          'type': 'settings',
+          'link_settings': {
+            'libraries': [
+              '-lv8',
+            ],
+          },
+        },
+        {
+          'target_name': 'v8_shell',
+          'type': 'none',
+          'dependencies': [
+            'v8'
+          ],
+        },
       ],
-    },
+    }],
   ],
 }