From 5a944abb34af3196dd1b5538ae124c5368f48345 Mon Sep 17 00:00:00 2001
From: "William M. Hasling" <wh3248@princeton.edu>
Date: Thu, 13 Jun 2024 14:15:49 -0400
Subject: [PATCH] set CMAKE_CUDA_ARCHITECTURES

---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7805bd4b8..231ac8904 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,9 @@ elseif(PARFLOW_ACCELERATOR_BACKEND STREQUAL "cuda")
     else(CMAKE_CUDA_COMPILER)
       message(FATAL_ERROR "ERROR: CUDA installation not found")
     endif(CMAKE_CUDA_COMPILER)
+    if(NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
+      set(CMAKE_CUDA_ARCHITECTURES 80)
+    endif()    
   else(NOT DEFINED KOKKOS_ROOT)
     # Allow mixed use of CUDA and Kokkos for development purposes
     find_package(Kokkos REQUIRED HINTS ${KOKKOS_ROOT})
@@ -292,7 +295,6 @@ if (${PARFLOW_ENABLE_HYPRE} OR DEFINED HYPRE_ROOT)
 
     if(PARFLOW_ACCELERATOR_BACKEND STREQUAL "cuda")
       find_package(CUDAToolkit REQUIRED)
-      set_property(CACHE CMAKE_CUDA_ARCHITECTURES PROPERTY STRINGS "80")
     endif (PARFLOW_ACCELERATOR_BACKEND STREQUAL "cuda")
 
   endif (${HYPRE_FOUND})