On Fri, Jul 10, 2020 at 5:10 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> -#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
> +#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
>
> I see the same when I use Debian's autoconf, but not FreeBSD's or
> MacPorts', despite all being version 2.69. That seems to be due to
> non-upstreamed changes added by the Debian maintainers (I see the
> off_t thing mentioned in /usr/share/doc/autoconf/changelog.Debian.gz).
By the way, Dagfinn mentioned that these changes were in fact
upstreamed, and happened to be beta-released today[1], and are due out
in ~3 months as 2.70. That'll be something for us to coordinate a bit
further down the road.
[1] https://lists.gnu.org/archive/html/autoconf/2020-07/msg00006.html