ubuntu 12.04 node compile error, gcc version 4.8.1 (Ubuntu 4.8.1-2ubuntu1~12.04)

compile error

In file included from ../src/cares_wrap.cc:24:0:
../src/async-wrap.h:64:29: error: expected ‘;’ at end of member declaration
../src/async-wrap.h:64:31: error: ‘override’ does not name a type
In file included from ../src/cares_wrap.cc:29:0:
../src/req_wrap.h:48:12: error: expected ‘;’ at end of member declaration
../src/req_wrap.h:48:14: error: ‘override’ does not name a type
In file included from ../src/fs_event_wrap.cc:22:0:
../src/async-wrap.h:64:29: error: expected ‘;’ at end of member declaration
../src/async-wrap.h:64:31: error: ‘override’ does not name a type
../src/cares_wrap.cc:234:22: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:234:24: error: ‘override’ does not name a type
In file included from ../src/handle_wrap.h:25:0,
                 from ../src/handle_wrap.cc:22:
../src/async-wrap.h:64:29: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:361:28: error: expected ‘;’ at end of member declaration../src/async-wrap.h:64:31: error: ‘override’ does not name a type

../src/cares_wrap.cc:361:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:372:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:372:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:398:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:398:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:409:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:409:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:435:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:435:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:446:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:446:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:474:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:474:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:485:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:485:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:523:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:523:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:534:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:534:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:559:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:559:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:570:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:570:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:613:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:613:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:624:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:624:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:667:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:667:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:678:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:678:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:729:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:729:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:740:41: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:740:43: error: ‘override’ does not name a type
../src/cares_wrap.cc:782:28: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:782:30: error: ‘override’ does not name a type
../src/cares_wrap.cc:806:34: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:806:36: error: ‘override’ does not name a type
../src/cares_wrap.cc:820:40: error: expected ‘;’ at end of member declaration
../src/cares_wrap.cc:820:42: error: ‘override’ does not name a type
In file included from ../src/handle_wrap.cc:22:0:
../src/handle_wrap.h:71:23: error: expected ‘;’ at end of member declaration
../src/handle_wrap.h:71:25: error: ‘override’ does not name a type../src/cares_wrap.cc:830:34: error: expected ‘;’ at end of member declaration

../src/cares_wrap.cc:830:36: error: ‘override’ does not name a type
../src/async-wrap.h:64:18: warning: inline function ‘node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/async-wrap.h:64:18: warning: inline function ‘virtual node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/async-wrap.h:64:18: warning: inline function ‘virtual node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/cares_wrap.cc:200:21: warning: ‘v8::Local<v8::Array> node::cares_wrap::HostentToAddresses(node::Environment*, hostent*)’ defined but not used [-Wunused-function]
../src/cares_wrap.cc:215:21: warning: ‘v8::Local<v8::Array> node::cares_wrap::HostentToNames(node::Environment*, hostent*)’ defined but not used [-Wunused-function]
In file included from ../src/fs_event_wrap.cc:29:0:
../src/handle_wrap.h:71:23: error: expected ‘;’ at end of member declaration
../src/handle_wrap.h:71:25: error: ‘override’ does not name a type
../src/fs_event_wrap.cc:57:24: error: expected ‘;’ at end of member declaration
../src/fs_event_wrap.cc:57:26: error: ‘override’ does not name a type
make[1]: *** [/home/node-forward/build/workspace/node-forward+node+v0.12+multi/nodes/node-forward-digitalocean-ubuntu1204-64/out/Release/obj.target/node/src/cares_wrap.o] Error 1
make[1]: *** Waiting for unfinished jobs....
../src/async-wrap.h:64:18: warning: inline function ‘virtual node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/async-wrap.h:64:18: warning: inline function ‘virtual node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/async-wrap.h:64:18: warning: inline function ‘node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/async-wrap.h:64:18: warning: inline function ‘virtual node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]
../src/async-wrap.h:64:18: warning: inline function ‘virtual node::AsyncWrap::~AsyncWrap()’ used but never defined [enabled by default]