Add cuda to paraview build. (#12996)

var/spack/repos/builtin/packages/paraview/package.py

@@ -7,7 +7,7 @@
 import os
 
 
-class Paraview(CMakePackage):
+class Paraview(CMakePackage, CudaPackage):
     """ParaView is an open-source, multi-platform data analysis and
     visualization application."""
 
@@ -234,6 +234,16 @@ def nvariant_bool(feature):
                 '-DMPI_Fortran_COMPILER:PATH=%s' % spec['mpi'].mpifc
             ])
 
+        if '+cuda' in spec:
+            cmake_args.extend([
+                '-DPARAVIEW_USE_CUDA:BOOL=ON',
+                '-DPARAVIEW_BUILD_SHARED_LIBS:BOOL=OFF'
+            ])
+        else:
+            cmake_args.extend([
+                '-DPARAVIEW_USE_CUDA:BOOL=OFF',
+            ])
+
         if 'darwin' in spec.architecture:
             cmake_args.extend([
                 '-DVTK_USE_X:BOOL=OFF',