Time [in minutes]: 20 min Platform [OS, libraries, etc.]: Linux 3.2.0-60-generic #91-Ubuntu SMP <...> x86_64 x86_64 x86_64 GNU/Linux mgaudet@eva150:~/tmp/DolanMG13/llvm>gcc --version gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 Skill level (at least the following; tell us if you have a paper-specific skill): I can build complex software like GCC and the Linux kernel Sequence of steps to build: 1. Cloned Revision c4417fee250ad6f256fe122c6fa8c5a4d3ec44ed from https://github.com/stedolan/llvm 2. ./configure && make seems to do the trick.