Error compiling TheRubyRaces

gistfile1.txt

sudo gem install therubyracer -v '0.12.2'



Building native extensions.  This could take a while...
ERROR:  Error installing therubyracer:
	ERROR: Failed to build gem native extension.

    current directory: /usr/local/lib/ruby/gems/2.3.0/gems/therubyracer-0.12.2/ext/v8
/usr/local/opt/ruby/bin/ruby -r ./siteconf20160415-46559-1en1cch.rb extconf.rb
checking for main() in -lpthread... yes
checking for main() in -lobjc... yes
checking for v8.h... yes
creating Makefile

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /usr/local/lib/ruby/gems/2.3.0/extensions/x86_64-darwin-15/2.3.0/therubyracer-0.12.2/mkmf.log

current directory: /usr/local/lib/ruby/gems/2.3.0/gems/therubyracer-0.12.2/ext/v8
make "DESTDIR=" clean

current directory: /usr/local/lib/ruby/gems/2.3.0/gems/therubyracer-0.12.2/ext/v8
make "DESTDIR="
compiling accessor.cc
clang: warning: argument unused during compilation: '-rdynamic'
In file included from accessor.cc:1:
In file included from ./rr.h:4:
/usr/local/include/v8.h:353:33: error: use of undeclared identifier 'nullptr'
  V8_INLINE MaybeLocal() : val_(nullptr) {}
                                ^
/usr/local/include/v8.h:360:51: error: use of undeclared identifier 'nullptr'
  V8_INLINE bool IsEmpty() const { return val_ == nullptr; }
                                                  ^
/usr/local/include/v8.h:364:29: error: use of undeclared identifier 'nullptr'
    out->val_ = IsEmpty() ? nullptr : this->val_;
                            ^
/usr/local/include/v8.h:430:50: error: use of undeclared identifier 'nullptr'
  bool IsFirstPass() const { return callback_ != nullptr; }
                                                 ^
/usr/local/include/v8.h:794:42: error: use of undeclared identifier 'nullptr'
  V8_INLINE Global() : PersistentBase<T>(nullptr) {}
                                         ^
/usr/local/include/v8.h:819:18: error: use of undeclared identifier 'nullptr'
    other.val_ = nullptr;
                 ^
/usr/local/include/v8.h:831:18: error: use of undeclared identifier 'nullptr'
      rhs.val_ = nullptr;
                 ^
/usr/local/include/v8.h:1096:52: error: use of undeclared identifier 'nullptr'
                            ScriptOrigin* origin = nullptr));
                                                   ^
/usr/local/include/v8.h:1099:30: error: use of undeclared identifier 'nullptr'
      ScriptOrigin* origin = nullptr);
                             ^
/usr/local/include/v8.h:3204:36: error: use of undeclared identifier 'nullptr'
    return NewInstance(context, 0, nullptr);
                                   ^
/usr/local/include/v8.h:7148:27: error: use of undeclared identifier 'nullptr'
  if (V8_UNLIKELY(val_ == nullptr)) V8::ToLocalEmpty();
                          ^
In file included from accessor.cc:1:
./rr.h:358:39: error: no member named 'ScriptData' in namespace 'v8'
class ScriptData : public Pointer<v8::ScriptData> {
                                  ~~~~^
./rr.h:358:51: error: expected class name
class ScriptData : public Pointer<v8::ScriptData> {
                                                  ^
./rr.h:360:21: error: no type named 'ScriptData' in namespace 'v8'; did you mean simply 'ScriptData'?
  inline ScriptData(v8::ScriptData* d) : Pointer<v8::ScriptData>(d) {};
                    ^~~~~~~~~~~~~~
                    ScriptData
./rr.h:358:7: note: 'ScriptData' declared here
class ScriptData : public Pointer<v8::ScriptData> {
      ^
./rr.h:360:54: error: no member named 'ScriptData' in namespace 'v8'
  inline ScriptData(v8::ScriptData* d) : Pointer<v8::ScriptData>(d) {};
                                                 ~~~~^
./rr.h:360:65: error: expected class member or base class name
  inline ScriptData(v8::ScriptData* d) : Pointer<v8::ScriptData>(d) {};
                                                                ^
./rr.h:360:65: error: expected '{' or ','
./rr.h:361:48: error: no member named 'ScriptData' in namespace 'v8'
  inline ScriptData(VALUE value) : Pointer<v8::ScriptData>(value) {}
                                           ~~~~^
./rr.h:361:59: error: expected class member or base class name
  inline ScriptData(VALUE value) : Pointer<v8::ScriptData>(value) {}
                                                          ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
make: *** [accessor.o] Error 1

make failed, exit code 2

Gem files will remain installed in /usr/local/lib/ruby/gems/2.3.0/gems/therubyracer-0.12.2 for inspection.
Results logged to /usr/local/lib/ruby/gems/2.3.0/extensions/x86_64-darwin-15/2.3.0/therubyracer-0.12.2/gem_make.out