From 840716a8b65a3267cf17231073426daaf9cf0d8f Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@fysik.su.se>
Date: Mon, 28 Jan 2019 18:28:44 +0100
Subject: [PATCH] openmpi: Use external hwloc and libevent

Recommended in the upgrade guide:
https://www.open-mpi.org/software/ompi/major-changes.php
---
 pkgs/development/libraries/openmpi/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/openmpi/default.nix b/pkgs/development/libraries/openmpi/default.nix
index 4bd7e76494a..b3f17021606 100644
--- a/pkgs/development/libraries/openmpi/default.nix
+++ b/pkgs/development/libraries/openmpi/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, gfortran, perl, libnl, rdma-core, zlib
-, numactl
+, numactl, libevent, hwloc
 
 # Enable the Sun Grid Engine bindings
 , enableSGE ? false
@@ -24,7 +24,7 @@ in stdenv.mkDerivation rec {
   '';
 
   buildInputs = with stdenv; [ gfortran zlib ]
-    ++ lib.optionals isLinux [ libnl numactl ]
+    ++ lib.optionals isLinux [ libnl numactl libevent hwloc ]
     ++ lib.optional (isLinux || isFreeBSD) rdma-core;
 
   nativeBuildInputs = [ perl ];