Re: bignum branch

[Paul Eggert]

Eli Zaretskii wrote:
> Could you please elaborate and perhaps show an example or two?  I
> don't think I understand what change you are proposing to make, and
> how will that help debugging.

The patch to mini-gmp.h is simple:

--- a/mini-gmp/mini-gmp.h       Tue Jul 03 11:16:06 2018 +0200
+++ b/mini-gmp/mini-gmp.h       Wed Jul 18 00:35:27 2018 -0700
@@ -53,9 +53,11 @@
                              void *(**) (void *, size_t, size_t),
                              void (**) (void *, size_t));

+#ifndef mp_limb_t
 typedef unsigned long mp_limb_t;
 typedef long mp_size_t;
 typedef unsigned long mp_bitcnt_t;
+#endif

 typedef mp_limb_t *mp_ptr;
 typedef const mp_limb_t *mp_srcptr;


When debugging, Emacs would #define mp_limb_t, mp_size_t, and mp_bitcnt_t to 
larger and/or smaller types than typical for the current platform before 
including mini-gmp.h, to check for portability gotchas on other platforms, and 
to improve performance on platforms lacking libgmp.