1<{lexer,parser}.ml>: use_camlp4, pp(camlp4of) 2<*.{byte,native}>: g++, use_llvm, use_llvm_analysis 3<*.{byte,native}>: use_llvm_executionengine, use_llvm_target 4<*.{byte,native}>: use_llvm_scalar_opts, use_bindings 5