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Asked: 2026-05-27T23:17:34+00:00

I´m getting this Cannot use typeid with -fno-rtti when I´m trying to compile my

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I´m getting this “Cannot use typeid with -fno-rtti” when I´m trying to compile my project, I´m using an opencv framework.
I googled the problem but, it seems the errors I found in internet does not have relation with my problem.
I don´t know if the problem is related with the includes, the code or the compiler.

Xcode is giving me the error a lot of times, but the first error is here:

virtual const std::type_info& type() { return typeid(T); }
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1 Answer

  1. Editorial Team

    It’s telling you the error right in the message: if you use the no-rtti flag on the compiler, then typeid is not going to be available. Just enable RTTI; it’s part of C++ after all.

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