From b08952f1bb83c8f0188cf38d26e34465e853a08a Mon Sep 17 00:00:00 2001
From: Dave Love <fx@gnu.org>
Date: Mon, 11 Sep 2017 21:30:40 +0100
Subject: [PATCH] gnu: openmpi: Configure without builtin atomics.
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See https://www.mail-archive.com/users@lists.open-mpi.org//msg31400.html

* gnu/packages/mpi.scm (openmpi)[arguments]: Don't configure with
--enable-builtin-atomics.

Signed-off-by: Ludovic Courtès <ludovic.courtes@inria.fr>
---
 gnu/packages/mpi.scm | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gnu/packages/mpi.scm b/gnu/packages/mpi.scm
index a6deee32447..517f9124177 100644
--- a/gnu/packages/mpi.scm
+++ b/gnu/packages/mpi.scm
@@ -132,9 +132,7 @@ (define-public openmpi
      `(("pkg-config" ,pkg-config)
        ("perl" ,perl)))
     (arguments
-     `(#:configure-flags `("--enable-builtin-atomics"
-
-                           "--enable-mpi-ext=affinity" ;cr doesn't work
+     `(#:configure-flags `("--enable-mpi-ext=affinity" ;cr doesn't work
                            "--enable-memchecker"
                            "--with-sge"
 
-- 
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