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Link Error: undefined symbol: typeinfo for Class

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Link Error: undefined symbol: typeinfo for Class

Subject: Link Error: undefined symbol: typeinfo for Class
From: John Cebasek <email@hidden>
Date: Mon, 25 Aug 2008 10:50:16 -0400

'Morning All:

I'm getting a linker error that I've not seen before. In the build results, I'm getting:

/Developer/usr/bin/../libexec/gcc/powerpc-apple-darwin8/4.0.1/ld: Undefined symbols: typeinfo for nsRunnable /build_files/Remoting.build/Debug/Remoting(STLport).build/Objects- normal/libRemoting.dylib-ppc-master.o reference to undefined typeinfo for nsRunnable

(We're building an application that uses some of the mozilla embedded code).

Doing some research indicates that this error is generated when a virtual method in a base class doesn't have an implementation in the derived class. (If I'm wrong about this, please correct me!).

The class that implements nsRunnable has implementations for all virtual methods defined in nsRunnable.

If I do an 'nm' on the dylib in which nsRunnable is defined, there aren't any undefined symbols.

What else should I look for to try and resolve this link error.

Thanks in advance for your time

Best Regards


John Cebasek
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