[PATCH] support for mingw-w64

[Ozkan Sezer]

On Fri, Sep 11, 2009 at 11:42 PM, Vincent Lefevre <vincent at vinc17.org> wrote:
> On 2009-09-11 14:05:17 +0200, Torbjorn Granlund wrote:
>> My undertanding is that sizeof(ptrdiff_t) == sizeof(size_t) should hold
>> true on any ISO C90 or C99 system.  They only differ in signedness.
>
> This is not guaranteed by the standard. This has the drawback
> that the subtraction of pointers may be wrong in some rare cases.
> So, for very specific applications, there might be a good reason
> to have sizeof(ptrdiff_t) > sizeof(size_t).
>
> More on this subject:
>
>  http://gcc.gnu.org/ml/gcc/2005-07/msg00754.html

Well, here the simplest patch I can think of
(attached gmp_intptr_t.diff, dif of configure omitted.)
It adds a few type size checks to configure.in and
typedefs gmp_intptr_t in gmp-impl.h so that all
tests can pick it up without issue.  Is this acceptable?

--
Ozkan
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