clang.llvm.org

A new C, C++, Objective C and Objective C++ front-end for the LLVM compiler providing fast compiles, low memory usage, expressive diagnostics, and GCC compatibility.

URLs from clang.llvm.org:

URL: http://clang.llvm.org/

Tags: opensource programming c++ compilers

URL: http://clang.llvm.org/docs/BlockImplementation.txt

Tags: c apple closures

URL: http://clang.llvm.org/get_started.html#build