[Python-Dev] mingw32 and gc-header weirdness

[Roumen Petrov]

Martin v. Löwis wrote:
[SNIP]
> No. tim_one changed it to be long double in r25454 to support some
> system that Dave Abrahams uses, so it needs to stay that way :-)
> 
> However, we can certainly acknowledge that this is a bug in MingW,
> and special case it. Either introduce a symbolic type gchead_align_t
> which gets defined to just double on MingW, or put the #ifdef right
> into the structure.

No this is not GCC bug. GCC support "hardware extended precision" as 
implement long double and mingw w32api implement long double functions.
According to http://msdn.microsoft.com/en-us/library/9cx8xs15.aspx it is 
MSVC limitation.


> It might also be useful to assert that sizeof(gchead_align_t) is
> 8 or 16, and reject 12 as a value. The point is that we need the
> maximum alignment, and that certainly shouldn't be 12.

So look like python bug.


> Regards,
> Martin

Regards,
Roumen