Can't compile on OpenBSD

[NacreData]

node.js 4.6 on OpenBSD 4.8 --stable fails with errors:

/usr/local/src/node-v0.4.6/deps/v8/src/platform-openbsd.cc: In static member function 'static v8::internal::Mutex* v8::internal::OS::CreateMutex()':
/usr/local/src/node-v0.4.6/deps/v8/src/platform-openbsd.cc:511: error: cannot allocate an object of abstract type 'v8::internal::OpenBSDMutex'
/usr/local/src/node-v0.4.6/deps/v8/src/platform-openbsd.cc:480: note: because the following virtual functions are pure within 'v8::internal::OpenBSDMutex':
/usr/local/src/node-v0.4.6/deps/v8/src/platform.h:464: note: virtual bool v8::internal::Mutex::TryLock()
/usr/local/src/node-v0.4.6/deps/v8/src/platform-openbsd.cc: In function 'void v8::internal::ProfilerSignalHandler(int, siginfo_t_, void_)':
/usr/local/src/node-v0.4.6/deps/v8/src/platform-openbsd.cc:583: error: 'current_state' is not a member of 'v8::internal::VMState'
scons: *** [obj/release/platform-openbsd.o] Error 1
scons: building terminated because of errors.
Waf: Leaving directory `/usr/local/src/node-v0.4.6/build'
Build failed: -> task failed (err #2):
{task: libv8.a SConstruct -> libv8.a}
*** Error code 1

Stop in /usr/local/src/node-v0.4.6 (line 11 of Makefile).

[sh1mmer]

BSD compile works on HEAD. Please update to HEAD or 0.6 when it drops.