User projects: Make sure that CMAKE_CUDA_HOST_COMPILER is set.

diff --git a/cmake/macros/macro_deal_ii_initialize_cached_variables.cmake b/cmake/macros/macro_deal_ii_initialize_cached_variables.cmake
index c9ba36c85ca98d6e475492092d80413c2586debc..53c7bdbdfa496bfef6d2d185eec34a229030311e 100644 (file)
--- a/cmake/macros/macro_deal_ii_initialize_cached_variables.cmake
+++ b/cmake/macros/macro_deal_ii_initialize_cached_variables.cmake
@@ -98,6 +98,8 @@ MACRO(DEAL_II_INITIALIZE_CACHED_VARIABLES)
   IF(DEAL_II_WITH_CUDA)
     SET(CMAKE_CUDA_COMPILER ${DEAL_II_CUDA_COMPILER} CACHE STRING
       "CUDA Compiler.")
+    SET(CMAKE_CUDA_HOST_COMPILER ${DEAL_II_CXX_COMPILER} CACHE STRING
+      "CXX Compiler.")
     SET(CMAKE_CUDA_FLAGS "" CACHE STRING
       "Flags used by the compiler during all build types."
       )