SxsnPC/node_modules/node-gyp/gyp/tools/Xcode

Specifications contains syntax formatters for Xcode 3. These do not appear to be supported yet on Xcode 4. To use these with Xcode 3 please install both the gyp.pbfilespec and gyp.xclangspec files in

~/Library/Application Support/Developer/Shared/Xcode/Specifications/

and restart Xcode.