npm install -g contextify
npm ERR! node v5.1.1 npm ERR! npm v3.3.12 npm ERR! code ELIFECYCLE npm ERR! email@example.com install: `node-gyp rebuild` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the firstname.lastname@example.org install script 'node-gyp rebuild'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the contextify package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node-gyp rebuild npm ERR! You can get their info via: npm ERR! npm owner ls contextify npm ERR! There is likely additional logging output above.