Installing therubyracer (0.11.3) 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/xiruki/.rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb 
checking for main() in -lpthread... yes
checking for main() in -lobjc... yes
checking for v8.h... yes
creating Makefile

make
compiling accessor.cc
clang: warning: argument unused during compilation: '-rdynamic'
In file included from accessor.cc:1:
./rr.h:462:14: error: no type named 'AccessorGetter' in namespace 'v8'
  inline v8::AccessorGetter accessorGetter() {return &AccessorGetter;}
         ~~~~^
./rr.h:463:14: error: no type named 'AccessorSetter' in namespace 'v8'
  inline v8::AccessorSetter accessorSetter() {return RTEST(set) ? &AccessorSetter : 0;}
         ~~~~^
./rr.h:465:14: error: no type named 'NamedPropertyGetter' in namespace 'v8'
  inline v8::NamedPropertyGetter namedPropertyGetter() {return &NamedPropertyGetter;}
         ~~~~^
./rr.h:466:14: error: no type named 'NamedPropertySetter' in namespace 'v8'
  inline v8::NamedPropertySetter namedPropertySetter() {return RTEST(set) ? &NamedPropertySetter : 0;}
         ~~~~^
./rr.h:467:14: error: no type named 'NamedPropertyQuery' in namespace 'v8'
  inline v8::NamedPropertyQuery namedPropertyQuery() {return RTEST(query) ? &NamedPropertyQuery : 0;}
         ~~~~^
./rr.h:468:14: error: no type named 'NamedPropertyDeleter' in namespace 'v8'
  inline v8::NamedPropertyDeleter namedPropertyDeleter() {return RTEST(deleter) ? &NamedPropertyDeleter : 0;}
         ~~~~^
./rr.h:469:14: error: no type named 'NamedPropertyEnumerator' in namespace 'v8'
  inline v8::NamedPropertyEnumerator namedPropertyEnumerator() {return RTEST(enumerator) ? &NamedPropertyEnumerator : 0;}
         ~~~~^
./rr.h:471:14: error: no type named 'IndexedPropertyGetter' in namespace 'v8'
  inline v8::IndexedPropertyGetter indexedPropertyGetter() {return &IndexedPropertyGetter;}
         ~~~~^
./rr.h:472:14: error: no type named 'IndexedPropertySetter' in namespace 'v8'
  inline v8::IndexedPropertySetter indexedPropertySetter() {return RTEST(set) ? &IndexedPropertySetter : 0;}
         ~~~~^
./rr.h:473:14: error: no type named 'IndexedPropertyQuery' in namespace 'v8'
  inline v8::IndexedPropertyQuery indexedPropertyQuery() {return RTEST(query) ? &IndexedPropertyQuery : 0;}
         ~~~~^
./rr.h:474:14: error: no type named 'IndexedPropertyDeleter' in namespace 'v8'
  inline v8::IndexedPropertyDeleter indexedPropertyDeleter() {return RTEST(deleter) ? &IndexedPropertyDeleter : 0;}
         ~~~~^
./rr.h:475:14: error: no type named 'IndexedPropertyEnumerator' in namespace 'v8'
  inline v8::IndexedPropertyEnumerator indexedPropertyEnumerator() {return RTEST(enumerator) ? &IndexedPropertyEnumerator : 0;}
         ~~~~^
./rr.h:481:20: error: no type named 'AccessorInfo' in namespace 'v8'
    Info(const v8::AccessorInfo& info);
               ~~~~^
./rr.h:487:22: error: no type named 'AccessorInfo' in namespace 'v8'
    inline const v8::AccessorInfo* operator->() {return this->info;}
                 ~~~~^
./rr.h:501:15: error: no type named 'AccessorInfo' in namespace 'v8'
    const v8::AccessorInfo* info;
          ~~~~^
./rr.h:505:89: error: no type named 'AccessorInfo' in namespace 'v8'
  static v8::Handle<v8::Value> AccessorGetter(v8::Local<v8::String> property,const v8::AccessorInfo& info);
                                                                                    ~~~~^
./rr.h:506:100: error: no type named 'AccessorInfo' in namespace 'v8'
  static void AccessorSetter(v8::Local<v8::String> property,v8::Local<v8::Value> value,const v8::AccessorInfo& info);
                                                                                               ~~~~^
./rr.h:508:94: error: no type named 'AccessorInfo' in namespace 'v8'
  static v8::Handle<v8::Value> NamedPropertyGetter(v8::Local<v8::String> property,const v8::AccessorInfo& info);
                                                                                         ~~~~^
./rr.h:509:122: error: no type named 'AccessorInfo' in namespace 'v8'
  static v8::Handle<v8::Value> NamedPropertySetter(v8::Local<v8::String> property,const v8::AccessorInfo& info);
                                                                                                                     ~~~~^
fatal error: too many errors emitted,stopping now [-ferror-limit=]
20 errors generated.
make: *** [accessor.o] Error 1


Gem files will remain installed in /Users/xiruki/.rvm/gems/ruby-1.9.3-p448@ensemblist/gems/therubyracer-0.11.3 for inspection.
Results logged to /Users/xiruki/.rvm/gems/ruby-1.9.3-p448@ensemblist/gems/therubyracer-0.11.3/ext/v8/gem_make.out

An error occurred while installing therubyracer (0.11.3),and Bundler cannot continue.
Make sure that `gem install therubyracer -v '0.11.3'` succeeds before bundling.

任何变通办法将不胜感激.