>From 8a0668951bc352aadc3cce5c12c9e4d9e2e7b6c6 Mon Sep 17 00:00:00 2001
From: Dave Love <address@hidden>
Date: Mon, 31 Jul 2017 15:04:44 +0100
Subject: [PATCH 7/8] gnu: openmpi: Configure without vampirtrace.

VT is obsoleted by scorep (not currently packaged) and disabling it reduces
the closure considerably.

* mpi.scm (openmpi)[arguments]: Configure without vampirtrace.
---
 gnu/packages/mpi.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/packages/mpi.scm b/gnu/packages/mpi.scm
index bbc81e45a..abda1cc43 100644
--- a/gnu/packages/mpi.scm
+++ b/gnu/packages/mpi.scm
@@ -148,6 +148,7 @@ bind processes, and much more.")
 
                            "--enable-mpi-ext=affinity" ;cr doesn't work
                            "--with-sge"
+                           "--disable-vt"
                            ,(string-append "--with-hwloc="
                                            (assoc-ref %build-inputs "hwloc")))
        #:phases (modify-phases %standard-phases
-- 
2.11.0