[boost] Re: Singleton Review: GCC compiler errors

From: David Abrahams (dave_at_[hidden])
Date: 2005-05-07 11:31:27

"Andrei Alexandrescu (See Website For Email)" <SeeWebsiteForEmail_at_[hidden]> writes:

> Pavel Vozenilek wrote:
>> "Jason Hise" wrote:
>> 
>>> In many cases I am getting the warning that specific classes have
>>> virtual functions, but non virtual destructors.  This is
>>> intentional, because they only have virtual functions in debug mode
>>> (pure virtual, to make the singleton uncreatable by client code)
>>> and will never be destroyed through a pointer to base.  I wanted to
>>> avoid the overhead of a vtable in release mode.  Is there a way to
>>> disable this specific warning while compiling with gcc?
>>>
>> No, there's no way to disable this or that warning using pragma
>> in GCC (though I read somewhere they will finally add such feature).
>> Perhaps you may use a kludge with conditional macros.
>
> Wouldn't making the destructor virtual in debug mode serve as a 
> satisfactory solution?

Or I guess you could pick one of the many other mechanisms used to
make a class abstract (?)

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com