From 7abc3dd5972d9f2ab51249f68501f5d9cc08fd25 Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Wed, 2 Feb 2022 04:26:28 -0600
Subject: [PATCH] CMake: Put FindHDF5 hints back in place

---
 cmake/modules/FindHDF5.cmake | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cmake/modules/FindHDF5.cmake b/cmake/modules/FindHDF5.cmake
index ec0bd63dee..6438e42592 100644
--- a/cmake/modules/FindHDF5.cmake
+++ b/cmake/modules/FindHDF5.cmake
@@ -28,7 +28,17 @@ SET_IF_EMPTY(HDF5_DIR "$ENV{HDF5_DIR}")
 
 # temporarily disable ${CMAKE_SOURCE_DIR}/cmake/modules for module lookup
 LIST(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules/)
+
+IF(NOT "${HDF5_DIR}" STREQUAL "")
+  SET(HDF5_ROOT "${HDF5_DIR}")
+ENDIF()
+
+IF(DEAL_II_WITH_MPI)
+  SET(HDF5_PREFER_PARALLEL TRUE)
+ENDIF()
+
 FIND_PACKAGE(HDF5)
+
 LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules/)
 
 IF(HDF5_FOUND)
-- 
2.39.5