Add MPICH2, an implementation of the Message Passing Interface.

svn path=/nixpkgs/trunk/; revision=10807

pkgs/development/libraries/mpich2/default.nix

@@ -0,0 +1,20 @@
+{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 = {
+    description = ''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";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2788,6 +2788,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  mpich2 = import ../development/libraries/mpich2 {
+    inherit fetchurl stdenv python;
+  };
+
   mysqlConnectorODBC = import ../development/libraries/mysql-connector-odbc {
     inherit fetchurl stdenv mysql libtool zlib unixODBC;
   };