Merge topic 'FindCUDA-verbatim'

72a97b7a FindCUDA: Fix regression in separate compilation (#16027)

Modules/FindCUDA.cmake

@@ -1551,7 +1551,12 @@ function(CUDA_LINK_SEPARABLE_COMPILATION_OBJECTS output_file cuda_target options
     list( FIND nvcc_flags "-ccbin" ccbin_found0 )
     list( FIND nvcc_flags "--compiler-bindir" ccbin_found1 )
     if( ccbin_found0 LESS 0 AND ccbin_found1 LESS 0 AND CUDA_HOST_COMPILER )
-      list(APPEND nvcc_flags -ccbin "\"${CUDA_HOST_COMPILER}\"")
+      # Match VERBATIM check below.
+      if(CUDA_HOST_COMPILER MATCHES "\\$\\(VCInstallDir\\)")
+        list(APPEND nvcc_flags -ccbin "\"${CUDA_HOST_COMPILER}\"")
+      else()
+        list(APPEND nvcc_flags -ccbin "${CUDA_HOST_COMPILER}")
+      endif()
     endif()
 
     # Create a list of flags specified by CUDA_NVCC_FLAGS_${CONFIG} and CMAKE_${CUDA_C_OR_CXX}_FLAGS*