I doubt if this is a complete answer, but the C linker does static checking of function names and signatures. If the dll, libfoo.so, doesn't have a foofunc() in its symbol table, the linker errs out when you try to build an xs interface which provides &LibFoo::foofunc.

After Compline,
Zaxo

In reply to Re: Verifying function references in XSUBs by Zaxo
in thread Verifying function references in XSUBs by rsteinke

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