From 93f58b50c0115a13edf9055707cfc932f595d74e Mon Sep 17 00:00:00 2001
From: qbisi <qbisicwate@gmail.com>
Date: Thu, 7 Nov 2024 11:59:08 +0800
Subject: [PATCH] mpiCheckPhaseHook: use preset topoloy file in sandbox for
 mpich

---
 pkgs/build-support/setup-hooks/mpi-check-hook/mpi-check-hook.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/build-support/setup-hooks/mpi-check-hook/mpi-check-hook.sh b/pkgs/build-support/setup-hooks/mpi-check-hook/mpi-check-hook.sh
index d576df6489d6..6adad2b44076 100644
--- a/pkgs/build-support/setup-hooks/mpi-check-hook/mpi-check-hook.sh
+++ b/pkgs/build-support/setup-hooks/mpi-check-hook/mpi-check-hook.sh
@@ -62,6 +62,8 @@ setupMpiCheck() {
     MPICH)
       # Fix to make mpich run in a sandbox
       export HYDRA_IFACE=lo
+      # Disable sysfs cpu topology directory discovery.
+      export HWLOC_XMLFILE="@topology@"
       ;;
     MVAPICH)
       # Disable CPU pinning