From f18203233788f86aaf43b27495570268857c9c19 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Tue, 19 Nov 2024 13:28:14 +0100
Subject: [PATCH] Restore message when concretizing in parallel (#47663)

It was lost in #44843
---
 lib/spack/spack/concretize.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/spack/spack/concretize.py b/lib/spack/spack/concretize.py
index cccfc02bd04..65ad755e7ea 100644
--- a/lib/spack/spack/concretize.py
+++ b/lib/spack/spack/concretize.py
@@ -160,6 +160,11 @@ def concretize_separately(
     # TODO: support parallel concretization on macOS and Windows
     num_procs = min(len(args), spack.config.determine_number_of_jobs(parallel=True))
 
+    msg = "Starting concretization"
+    if sys.platform not in ("darwin", "win32") and num_procs > 1:
+        msg += f" pool with {num_procs} processes"
+    tty.msg(msg)
+
     for j, (i, concrete, duration) in enumerate(
         spack.util.parallel.imap_unordered(
             _concretize_task, args, processes=num_procs, debug=tty.is_debug(), maxtaskperchild=1