Check if cuda warning suppression works on windows.

src/gpu/GridGenerator/CMakeLists.txt

@@ -12,8 +12,10 @@ if (NOT BUILD_SHARED_LIBRARY)
     set_target_properties(${library_name} PROPERTIES CUDA_RESOLVE_DEVICE_SYMBOLS ON)
 endif()
 
-# supress warning 3123, 3126: calling a __host__ function from __host__ __device__ is not allowed
-# supress warning 3152: __host__ function redeclared with __host__ __device__, hence treated as a __host__ __device__ function
-# supress warning 3125, 3127: calling a constexpr __host__ function from a __host__ __device__ function
-# supress warning 3311: unrecognized #pragma in device code
-target_compile_options(${library_name} PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-Xcudafe "--diag_suppress=3123 --diag_suppress=3126 --diag_suppress=3152 --diag_suppress=3125 --diag_suppress=3127 --diag_suppress=3311" >) 
+# suppress warning 3123, 3126: calling a __host__ function from __host__ __device__ is not allowed
+# suppress warning 3152: __host__ function redeclared with __host__ __device__, hence treated as a __host__ __device__ function
+# suppress warning 3125, 3127: calling a constexpr __host__ function from a __host__ __device__ function
+# suppress warning 3311: unrecognized #pragma in device code
+#if(MSVC)
+    target_compile_options(${library_name} PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-Xcudafe "--diag_suppress=3123 --diag_suppress=3126 --diag_suppress=3152 --diag_suppress=3125 --diag_suppress=3127" >)
+#endif()