From b725a190728626380b3bac45c8e92c09631aa8b4 Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Thu, 2 Jul 2020 23:18:05 -0700
Subject: FindMPI: Deny -fexceptions from NVCC

Do not forward -fexceptions (set from MVAPICH2) to NVCC.

Fixes: #18558
---
 Modules/FindMPI.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Modules/FindMPI.cmake b/Modules/FindMPI.cmake
index 786bcc8..45c0eb0 100644
--- a/Modules/FindMPI.cmake
+++ b/Modules/FindMPI.cmake
@@ -1153,9 +1153,11 @@ macro(_MPI_create_imported_target LANG)
     add_library(MPI::MPI_${LANG} INTERFACE IMPORTED)
   endif()
 
-  # When this is consumed for compiling CUDA, use '-Xcompiler' to wrap '-pthread'.
+  # When this is consumed for compiling CUDA, use '-Xcompiler' to wrap '-pthread' and '-fexceptions'.
   string(REPLACE "-pthread" "$<$<COMPILE_LANG_AND_ID:CUDA,NVIDIA>:SHELL:-Xcompiler >-pthread"
     _MPI_${LANG}_COMPILE_OPTIONS "${MPI_${LANG}_COMPILE_OPTIONS}")
+  string(REPLACE "-fexceptions" "$<$<COMPILE_LANG_AND_ID:CUDA,NVIDIA>:SHELL:-Xcompiler >-fexceptions"
+    _MPI_${LANG}_COMPILE_OPTIONS "${MPI_${LANG}_COMPILE_OPTIONS}")
   set_property(TARGET MPI::MPI_${LANG} PROPERTY INTERFACE_COMPILE_OPTIONS "${_MPI_${LANG}_COMPILE_OPTIONS}")
   unset(_MPI_${LANG}_COMPILE_OPTIONS)
 
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