From 63ba7db2d2794e0113dfbe59b1039eb849b7d853 Mon Sep 17 00:00:00 2001
From: Angel Castillo <scardking@gmail.com>
Date: Thu, 11 Jan 2024 14:31:06 -0500
Subject: [PATCH] find mpi exec (#42050)

---
 var/spack/repos/builtin/packages/pumi/package.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/var/spack/repos/builtin/packages/pumi/package.py b/var/spack/repos/builtin/packages/pumi/package.py
index 974fc7ed0b6..24760bb1ac1 100644
--- a/var/spack/repos/builtin/packages/pumi/package.py
+++ b/var/spack/repos/builtin/packages/pumi/package.py
@@ -4,6 +4,7 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack.package import *
+import warnings
 
 
 class Pumi(CMakePackage):
@@ -125,7 +126,14 @@ def test(self):
         description = "testing pumi uniform mesh refinement"
         self.run_test(exe, options, expected, purpose=description)
 
-        mpiexec = self.spec["mpi"].prefix.bin.mpiexec
+        mpiexec = ""
+        mpiexe_list = ["mpirun", "mpiexec", "srun"]
+        for mpiexe in mpiexe_list:
+            if which(mpiexe) is not None:
+                mpiexec = Executable(mpiexe).command
+                break
+        if mpiexec == "":
+            warnings.warn("MPI exec not found")
         data_dir = self.prefix.share.testdata
         options = [
             "-n",