report() to print to stdout, the piped output will be written to result file by the framework. This is to help see the data in terminal when running a compiled program outside of the framework.

enforce the definition of MU_(IMPL) environment variable, and remove the need to define runner exec for Holstein

problem with extraLib option fixed in PyPy, no need to specify that again here; example config file, everything runs (including Zebu, which runs after specifying ZEBU_BUILD)

passing run_dir using environment variable; add flag to RPython to control where libpypy_mu_support.dylib is to be placed

fix problem in clockcallback.c; RPython language not asserting the existance of libmu_pypy_support.dylib