Re: dynamic_cast returns NULL if argument passed from dynamic_library

[Paul Pluzhnikov]

"David" <dpllpd@yahoo.com> writes:

> I'm trying to use dynamic_cast on an object passed from the .so loaded with
> dlopen. I do everything that http://gcc.gnu.org/faq.html#dso suggests. It
> still fails. It works with MSVC++ 6.0 and if the code is directly linked
> against the library.

I've constructed a trivial test case, and it worked fine on Linux
with g++-2.95.3 and g++-3.4.0

> Any suggestions would be appreciated.

Make a test case that fails, post it (and the command line used to
build it, the OS and the revision of g++).

*Then* we can help you (maybe :-)

Cheers,
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