From 629d365bdf0dc40660a37c469e0dd888db0ec317 Mon Sep 17 00:00:00 2001
From: Nabil Ghodbane <nabil.ghodbane@cea.fr>
Date: Wed, 2 Feb 2022 13:05:16 +0100
Subject: [PATCH] bos #28849 - Debian 10 until a more robust approach is found

---
 products/ParaView.pyconf                     |  3 ++-
 products/env_scripts/openmpi.py              |  8 +++++++-
 products/patches/paraview.0020.findMPI.patch | 14 ++++++++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 products/patches/paraview.0020.findMPI.patch

diff --git a/products/ParaView.pyconf b/products/ParaView.pyconf
index 702346f..ee02ffe 100755
--- a/products/ParaView.pyconf
+++ b/products/ParaView.pyconf
@@ -326,7 +326,8 @@ version_5_9_0_DB10 :
                'paraview.0017-ParaView_protobuf_crash.patch',
                'paraview.0015-Paraview_VTKM_ioss.patch'
                'paraview.0018-spns-26351-autoconvert.patch',
-               'paraview.0019-spns-26344-VTK-OpenMP.patch'
+               'paraview.0019-spns-26344-VTK-OpenMP.patch',
+               'paraview.0020.findMPI.patch'
               ]
 }
 
diff --git a/products/env_scripts/openmpi.py b/products/env_scripts/openmpi.py
index 7e26a0a..6c17a38 100644
--- a/products/env_scripts/openmpi.py
+++ b/products/env_scripts/openmpi.py
@@ -29,6 +29,12 @@ def set_nativ_env(env):
     env.set('MPI_ROOT_DIR', prereq_dir)
     env.set('OPENMPIDIR', prereq_dir)
     env.set('MPI_ROOT', prereq_dir)
-    env.set('MPI_C_FOUND', os.path.join(prereq_dir,'lib','libmpi.so'))
+    mpiclib_dir=prereq_dir
+    try:
+        if "debian" in distro.name().lower() and any(version in distro.version() for version in ["10"]) :
+            mpiclib_dir='/usr/lib/x86_64-linux-gnu/openmpi'
+    except:
+        pass
+    env.set('MPI_C_FOUND', os.path.join(mpiclib_dir,'lib','libmpi.so'))
     env.prepend('PATH', os.path.join(prereq_dir, 'bin'))
     env.prepend('LD_LIBRARY_PATH', os.path.join(prereq_dir,'lib'))
diff --git a/products/patches/paraview.0020.findMPI.patch b/products/patches/paraview.0020.findMPI.patch
new file mode 100644
index 0000000..09cdbd8
--- /dev/null
+++ b/products/patches/paraview.0020.findMPI.patch
@@ -0,0 +1,14 @@
+diff -Naur ParaView_ref/VTK/CMake/patches/3.17/FindMPI.cmake ParaView_new/VTK/CMake/patches/3.17/FindMPI.cmake
+--- ParaView_ref/VTK/CMake/patches/3.17/FindMPI.cmake	2022-02-02 10:45:40.273534527 +0100
++++ ParaView_new/VTK/CMake/patches/3.17/FindMPI.cmake	2022-02-02 12:20:19.005537074 +0100
+@@ -1727,6 +1727,10 @@
+   list(APPEND _MPI_REQ_VARS "MPI_MPICXX_FOUND")
+ endif()
+ 
++if(DEFINED ENV{MPI_C_FOUND})
++  set(MPI_C_FOUND $ENV{MPI_C_FOUND})
++endif()  
++
+ find_package_handle_standard_args(MPI
+     REQUIRED_VARS ${_MPI_REQ_VARS}
+     VERSION_VAR ${_MPI_MIN_VERSION}
-- 
2.39.2