fix non-virtual-dtor

compiling with -Wnon-virtual-dtor works with this patch

2 files changed, 3 insertions, 0 deletions

diff --git a/include/grpcpp/impl/codegen/core_codegen_interface.h b/include/grpcpp/impl/codegen/core_codegen_interface.h
index 64bc9efc12..d72f579c8e 100644
--- a/include/grpcpp/impl/codegen/core_codegen_interface.h
+++ b/include/grpcpp/impl/codegen/core_codegen_interface.h
@@ -36,6 +36,8 @@ namespace grpc {
 /// \warning This interface should be considered internal and private.
 class CoreCodegenInterface {
  public:
+  virtual ~CoreCodegenInterface() = default;
+
   /// Upon a failed assertion, log the error.
   virtual void assert_fail(const char* failed_assertion, const char* file,
                            int line) = 0;
diff --git a/include/grpcpp/impl/codegen/grpc_library.h b/include/grpcpp/impl/codegen/grpc_library.h
index 684031f5d9..17c904d71a 100644
--- a/include/grpcpp/impl/codegen/grpc_library.h
+++ b/include/grpcpp/impl/codegen/grpc_library.h
@@ -25,6 +25,7 @@ namespace grpc {
 
 class GrpcLibraryInterface {
  public:
+  virtual ~GrpcLibraryInterface() = default;
   virtual void init() = 0;
   virtual void shutdown() = 0;
 };