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-rw-r--r--include/gras/block.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/gras/block.hpp b/include/gras/block.hpp
index 7595345..4211255 100644
--- a/include/gras/block.hpp
+++ b/include/gras/block.hpp
@@ -113,6 +113,8 @@ struct GRAS_API Block : Element
//! Create a new block given the name
Block(const std::string &name);
+ virtual ~Block(void);
+
/*******************************************************************
* Deal with input and output port configuration
******************************************************************/