fix compilation of kinsol wrappers with complex PETSc

diff --git a/source/sundials/kinsol.cc b/source/sundials/kinsol.cc
index 4fe71f0efdd3eeb0eca12326ead162cc3b3b28b3..5aea3ba400f7c49d2b4e8fb5f577a0618762c667 100644 (file)
--- a/source/sundials/kinsol.cc
+++ b/source/sundials/kinsol.cc
@@ -350,9 +350,11 @@ namespace SUNDIALS
 #endif
 
 #ifdef DEAL_II_WITH_PETSC
+#ifndef PETSC_USE_COMPLEX
   template class KINSOL<PETScWrappers::MPI::Vector>;
   template class KINSOL<PETScWrappers::MPI::BlockVector>;
 #endif
+#endif
 
 #endif