They have NOT switched to LLVM/Clang. It's still very experimental and not officially supported in any way, and not included by default (although available in the ports tree).
Code:[root@chaos ~]# cc --version cc (GCC) 4.2.1 20070719 [FreeBSD] Copyright (C) 2007 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. [root@chaos ~]# clang -su: clang: command not found