# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-07-22 19:43:37 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/94492813965791232) RT @0xced: New Xcode project templates have OTHER_CFLAGS="-DNS_BLOCK_ASSERTIONS=1" Should be GCC_PREPROCESSOR_DEFINITIONS="NS_BLOCK_ASSE ...