cuda: respect host compiler -Werror

* Currently, running Meson with `--werror` only adds a select few -Werror
  options that trigger only for device, not host code. In general, users expect
  `--werror` to also error out on warnings in host code with nvcc.

mesonbuild/compilers/cuda.py

@@ -708,7 +708,9 @@ def get_debug_args(self, is_debug: bool) -> T.List[str]:
         return cuda_debug_args[is_debug]
 
     def get_werror_args(self) -> T.List[str]:
-        return ['-Werror=cross-execution-space-call,deprecated-declarations,reorder']
+        return [
+            "-Werror=cross-execution-space-call,deprecated-declarations,reorder"
+        ] + ["-Xcompiler=" + x for x in self.host_compiler.get_werror_args()]
 
     def get_warn_args(self, level: str) -> T.List[str]:
         return self.warn_args[level]