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-rw-r--r--gnu/packages/mpi.scm4
1 files changed, 4 insertions, 0 deletions
diff --git a/gnu/packages/mpi.scm b/gnu/packages/mpi.scm
index 079ac34dbf..914f8e975e 100644
--- a/gnu/packages/mpi.scm
+++ b/gnu/packages/mpi.scm
@@ -185,6 +185,10 @@ bind processes, and much more.")
(member (%current-system) (package-supported-systems psm2)))
`(("psm2" ,psm2))
'())
+ ,@(if (and (not (%current-target-system))
+ (member (%current-system) (package-supported-systems psm2)))
+ `(("ucx" ,ucx))
+ '())
("rdma-core" ,rdma-core)
("valgrind" ,valgrind)
("slurm" ,slurm))) ;for PMI support (launching via "srun")