You need to put at least one virtual function into the .cpp file
(not .hpp), otherwise the linker throws the vtable away at link-time
(IIRC).
> ....
> virtual ~PressTestEngine(){};
> virtual void applyCondition(MetaBody*);
Your problem is in TranslationEngine, cf. message you got the first
time:
undefined symbol `typeinfo for TranslationEngine'
Did you compile TranslationEngine? (removing YADE_REQUIRE_FEATURE(...)
from TranslationEngine.cpp)
v/
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