Hi,
> I used mingw32 (stable distro) to build the psyco extension
> on top of standard python2.6, built with Visual Studio,
> and got weird crashes.
>
> The reason is in objimpl.h:
>
> typedef union _gc_head {
> struct {
> union _gc_head *gc_next;
> union _gc_head *gc_prev;
> Py_ssize_t gc_refs;
> } gc;
> long double dummy; /* force worst-case alignment */
> } PyGC_Head;
>
> Mingw32 behaves funny here. The size of long double is 12 !
The size of long double is also 12 under 32-bit Linux. Perhaps mingw disagrees
with Visual Studio on some ABI subtleties (is it expected? is mingw supposed to
be ABI-compatible with Visual Studio? if yes, you may report a bug to them :-)).
Regards
Antoine.
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