{stdenv, fetchurl, python}: stdenv.mkDerivation rec { name = "mpich2-1.0.6p1"; src = fetchurl { url = "http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/${name}.tar.gz"; sha256 = "1k0za8951j5fn89ww6bsy9b4yi989zz7bnd8a6acfr8r0yb8z01q"; }; buildInputs = [ python ]; meta = { longDescription = '' MPICH2 is a free high-performance and portable implementation of the Message Passing Interface (MPI) standard, both version 1 and version 2. ''; homepage = http://www.mcs.anl.gov/mpi/mpich2/; license = "free, see http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=license"; }; }