Add virtual hook to remove dep of Default_Engine on Engine itself

1 files changed, 2 insertions, 0 deletions

diff --git a/src/engine/def_engine/eng_def.h b/src/engine/def_engine/eng_def.h
index 36ef14a69..3d3fba809 100644
--- a/src/engine/def_engine/eng_def.h
+++ b/src/engine/def_engine/eng_def.h
@@ -55,6 +55,8 @@ class BOTAN_DLL Default_Engine : public Engine
       Modular_Exponentiator* mod_exp(const BigInt&,
                                      Power_Mod::Usage_Hints) const;
 
+      virtual bool can_add_algorithms() { return true; }
+
       Keyed_Filter* get_cipher(const std::string&, Cipher_Dir);
    private:
       BlockCipher* find_block_cipher(const std::string&) const;