Re: AC_FUNC_MMAP lacks <unistd.h> include?

On Thu, May 11, 2023 at 2:00 AM Paul Eggert <[email protected]> wrote:
>
> On 2023-05-10 21:06, Matt Turner wrote:
>
> > We're mmap'ing a 1-byte file, and since the pagesize on amd64 is 4096
> > bytes, only the first 4096 byte page (of two) is mapped. Accessing the
> > second page triggers the SIGBUS.
>
> Ouch, I misread that part of the test. Thanks for reporting that. I
> suppose we should go back to invoking getpagesize despite the hassle of
> configuring it. I installed the attached further patch; please give it a
> try.

That works. Thank you!