Am Montag, 8. Januar 2007 21:08 schrieb Giel van Schijndel:
> Dennis Schridde schreef:
[...]
> >> What I don't agree with is making a C interface to a C++ interface to
> >> OpenAL - seems like duplicated work to me. I'd just use C++ in the code
> >> and compile the complete game with a C++ compiler. But that's just me, I
> >> guess there needs to be some decision about how to use C++, or we just
> >> follow the usual "those who do decide" approach.
> >
> > Basically I think that's the maintainance problem...
> > Actually I didn't even know that it is possible to link a C application
> > against a C++ lib, because I thought the C++ ABI is incompatible to the C
> > ABI...
>
> In fact OpenAL itself is written largely in C++. They simply wrapped its
> interface (or more accurately the include files with function
> declarations) in an extern "C" {...} declaration to make sure the
> compiler generates C-style symbols which can then be resolved by the
> linker when linking with C-code.
Aha, didn't know that...
Can someone explain that in more detail or provide a link?
I'd like to know how that works, that a C app can link against a C++ lib using
a wrapper interface...--Dennis
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