bufferutil: Problem installing on OS X 10.10.5

sudo npm install -g bufferutil

bufferutil@1.2.1 install /usr/local/lib/node_modules/bufferutil node-gyp rebuild

CXX(target) Release/obj.target/bufferutil/src/bufferutil.o SOLINK_MODULE(target) Release/bufferutil.node ld: library not found for -lgcc_s.10.5 clang: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [Release/bufferutil.node] 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:270:23) gyp ERR! stack at emitTwo (events.js:87:13) gyp ERR! stack at ChildProcess.emit (events.js:172:7) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12) gyp ERR! System Darwin 14.5.0 gyp ERR! command “/usr/local/bin/node” “/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js” “rebuild” gyp ERR! cwd /usr/local/lib/node_modules/bufferutil gyp ERR! node -v v4.1.0 gyp ERR! node-gyp -v v3.0.1 gyp ERR! not ok npm ERR! Darwin 14.5.0 npm ERR! argv “/usr/local/bin/node” “/usr/local/bin/npm” “install” “-g” “bufferutil” npm ERR! node v4.1.0 npm ERR! npm v3.3.3 npm ERR! code ELIFECYCLE

npm ERR! bufferutil@1.2.1 install: node-gyp rebuild npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the bufferutil@1.2.1 install script ‘node-gyp rebuild’. npm ERR! This is most likely a problem with the bufferutil 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 bufferutil npm ERR! There is likely additional logging output above.