LLVM_ROOT = '__MACPORTS_LLVM_ROOT__' # directory
BINARYEN_ROOT = '__MACPORTS_BINARYEN_ROOT__' # directory

# Location of the node binary to use for running the JS parts of the compiler.
# This engine must exist, or nothing can be compiled.
NODE_JS = '__MACPORTS_NODE_JS__' # executable

JAVA = '__MACPORTS_JAVA__' # executable

# FROZEN_CACHE = True # never clears the cache, and disallows building to the cache