errors on building couchbase from github master

child_process: customFds option is deprecated, use stdio instead.
../src/cas.cc:64:33: error: member reference type 'v8::Persistent<v8::Function>' is not a pointer; maybe you meant to use '.'?
Local<Object> ret = casClass->NewInstance();
~~~~~~~_^
.
../src/cas.cc:64:35: error: no member named 'NewInstance' in 'v8::Persistent<v8::Function, v8::NonCopyablePersistentTraits<v8::Function> >'
Local<Object> ret = casClass->NewInstance();
~~~~~~~~ ^
2 errors generated.
make: *** [Release/obj.target/couchbase_impl/src/cas.o] Error 1
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack at ChildProcess.emit (events.js:110:17)
gyp ERR! stack at Process.ChildProcess._handle.onexit (child_process.js:1067:12)
gyp ERR! System Darwin 14.1.0
gyp ERR! command "node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/dasmacht/local_dev_bestforme/server/node_modules/couchbase
gyp ERR! node -v v0.12.0
gyp ERR! node-gyp -v v1.0.2
gyp ERR! not ok