litehot

I got the same error: > node-gyp rebuild --msvs_version=2013 C:\Users\Administrator.PC-20130121VJYE\Desktop\chat-websocket-master\node_module s\pdfium>node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\....\ node_modules\node-gyp\bin\node-gyp.js" rebuild gyp: name 'os_posix' is not defined while evaluating condition 'os_posix==1' in third_party\pdfium\pdfium.gyp gyp ERR! configure...