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

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-08-25 11:46:00

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.

But it doesn't have a way to leave the warning on for the useful cases and 
disable it when it's useless (when the destructor is protected, for 
instance.) :-)