From 1b634f05e0d601f7ff82a27e4ff8364ff197f464 Mon Sep 17 00:00:00 2001
From: Harmen Stoppels <harmenstoppels@gmail.com>
Date: Wed, 20 Oct 2021 01:04:52 +0200
Subject: A single process pool is not something to boast about (#26837)

---
 lib/spack/spack/environment/environment.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/spack/spack/environment/environment.py b/lib/spack/spack/environment/environment.py
index b818f33a7c..f08113bfc0 100644
--- a/lib/spack/spack/environment/environment.py
+++ b/lib/spack/spack/environment/environment.py
@@ -1155,9 +1155,9 @@ class Environment(object):
         # TODO: revisit this print as soon as darwin is parallel too
         msg = 'Starting concretization'
         if sys.platform != 'darwin':
-            msg = msg + ' pool with {0} processes'.format(
-                spack.util.parallel.num_processes(max_processes=max_processes)
-            )
+            pool_size = spack.util.parallel.num_processes(max_processes=max_processes)
+            if pool_size > 1:
+                msg = msg + ' pool with {0} processes'.format(pool_size)
         tty.msg(msg)
 
         concretized_root_specs = spack.util.parallel.parallel_map(
-- 
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