Re: [boost] [statechart] Problems if I make dtorS virtual?

From: Andreas Huber (ahd6974-spamgroupstrap_at_[hidden])
Date: 2005-08-25 15:33:01

Hi Jonathan

Jonathan Wakely wrote:
> Andreas Huber wrote:
>
>> I'm at least reluctant to do that. Given the abundance of platforms
>> that support C++ we can never be sure that there is not one where
>> performance will suffer significantly when the dtors are made
>> virtual. From the 3 compilers I use GCC is the only one that a) has
>> such a non-virtual dtor warning *and* b) doesn't have a pragma to
>> turn off warnings. Hopefully, the latter will soon be taken care
>> of...
>
> GCC does have -Wno-non-virtual-dtor to disable the warning.

Yes, I know that (and I'm using it to turn off that warning for
bjam-built stuff). What I meant is that there currently is no way to do
that in a hpp or cpp file.  E.g. on Intel you can write:

#pragma warning( disable: 444 ) // destructor for base is not virtual

> There's also a project underway to enable much finer-grained control
> of warnings.

That's good to hear.

Regards,

-- 
Andreas Huber
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