LLVM Clang, a BSD licenced compiler, is an alternative base compiler, with the general intention of it becoming the official FreeBSD base compiler.
On June 9th, we are importing clang/LLVM into FreeBSD HEAD. We are going to import clang/LLVM sources and put those into contrib/llvm (~45MB) and the build infrastructure for it (lib/clang and usr.bin/clang). There’s also a small patch to hook it into the build.
LLVM Clang will bring some great benefits