Re: touch gets stuck for named pipes

[Jim Meyering]

Eric Blake wrote:
> Paolo Bonzini <bonzini <at> gnu.org> writes:
>
>> >      This macro is obsolescent, as all current systems have a `utime'
>> >      that behaves this way.  New programs need not use this macro.
>>
>> I think that then _this_ is the cross-compilation default to be fixed.
>>
>> Ok?
>
> Fix these nits before applying:
>
>> -             ac_cv_func_utime_null=no)])
>> +             ac_cv_func_utime_null=yes)])
>
> I'd write this as 'ac_cv_func_utime_null="guessing yes"', to make it obvious.

It would be a tad more backwards-compatible to stick with "yes".
Consider a configure.ac that does this,

    AC_FUNC_UTIME_NULL
    if test $ac_cv_func_utime_null = yes; then
      ...
    fi

That would malfunction with the "guessing yes" value.