01/19: gnu: openmpi: Enable PMIx.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit 55da0930e30e0ee1b3da1b9aee5851e9ccfca32c
Author: Lars Bilke <lars.bilke@ufz.de>
AuthorDate: Thu Sep 7 15:06:03 2023 +0200

    gnu: openmpi: Enable PMIx.
    
    * gnu/packages/mpi.scm (openmpi)[arguments]: Pass “--with-pmix=internal”.
    
    Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/mpi.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/packages/mpi.scm b/gnu/packages/mpi.scm
index 4d2458344f..baf6ce11e0 100644
--- a/gnu/packages/mpi.scm
+++ b/gnu/packages/mpi.scm
@@ -247,6 +247,12 @@ bind processes, and much more.")
                             "--enable-openib-rdmacm"
                             "--enable-openib-rdmacm-ibaddr"
 
+                            ;; Enable support for the 'Process Management
+                            ;; Interface for Exascale' (PMIx) used e.g. by
+                            ;; Slurm for the management communication and
+                            ;; coordination of MPI processes.
+                            "--with-pmix=internal"
+
                             ;; Enable support for SLURM's Process Manager
                             ;; Interface (PMI).
                             ,(string-append "--with-pmi="