Re: COM vtable inconsistencies with g++ (was SIGSEGV in IDirectDrawImpl_EnumDisplayModes)

[Christian Costa]

Ove Kaaven wrote:
> On Sat, 2 Nov 2002, Matthew Bloch wrote:
> > So with the ICOM_MSVTABLE_COMPAT flag set I get the "off-by-two" calling error 
> > from within Winelib when it's trying to invoke a COM function.  When it's not 
> > set I get the same bug occurring in my program when it tries to do the same.
>
> Don't use ICOM_MSVTABLE_COMPAT with newer g++ versions, it's obsolete. Use
> ICOM_USE_COM_INTERFACE_ATTRIBUTE.

Does ICOM_USE_INTERFACE_ATTRIBUTE prevent g++ to add the 8 bytes offset?
 From which g++ version this can be used?