JuliaLang/julia — pull request #1129 by kk49 (2012-08-08 02:50:42+00:00)
Title: Optional download and build of Clang and Compiler-RT when LLVM is built. 

Added option in deps/Makefile to download and build Clang (the LLVM C/C++ compiler) and Compiler-RT used by Clang 3.1. This is activated by setting
BUILD_LLVM_CLANG = 0
in deps/Makefile to
BUILD_LLVM_CLANG = 1