Fix compiling with CUDA

diff --git a/include/deal.II/base/exceptions.h b/include/deal.II/base/exceptions.h
index a3b06c35498feee259a393898182d9ca5c13a4ca..223819ae3d6dba9cf008b6cbf026ad2aa0d6be9d 100644 (file)
--- a/include/deal.II/base/exceptions.h
+++ b/include/deal.II/base/exceptions.h
@@ -958,7 +958,7 @@ namespace StandardExceptions
    * The constructor takes a single <tt>char*</tt>, the output of
    * cudaGetErrorString.
    */
-  DeclException1(ExcCudaError, char *, << arg1);
+  DeclException1(ExcCudaError, const char *, << arg1);
   /**
    * This exception is raised if an error happened in a cuSPARSE function.
    */