How to update LLVM & Clang on Mac OSX?

Question

On my version of Mac OSX (Lion 10.7.1, XCode 4.1), there is LLVM 3.0svn and Clang 2.1. The current versions are LLVM 3.0 and Clang 3.0.

From the XCode web site, it s

Answer 1

You can comfortably build your own LLVM using homebrew:

brew install llvm

There are also versioned packages in case you need a specific version:

• llvm@3.7
• llvm@3.8
• llvm@3.9
• llvm@4