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-rw-r--r--pkgs/development/libraries/mpich2/default.nix12
1 files changed, 7 insertions, 5 deletions
diff --git a/pkgs/development/libraries/mpich2/default.nix b/pkgs/development/libraries/mpich2/default.nix
index b92eed68bdea..7fb0e009f4ae 100644
--- a/pkgs/development/libraries/mpich2/default.nix
+++ b/pkgs/development/libraries/mpich2/default.nix
@@ -2,18 +2,20 @@
 
 stdenv.mkDerivation rec {
   name = "mpich2-1.0.6p1";
+  
   src = fetchurl {
-    url = "http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/"
-      + name + ".tar.gz";
+    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.'';
+    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";
   };