On Fri, Dec 22, 2023, at 10:08 AM, Nick Bowler wrote: > On 2023-12-22 09:28, Zack Weinberg wrote: >> On Thu, Dec 21, 2023, at 10:07 PM, Jacob Bachmeyer wrote: > [...] >>> I suggest revising AT_MTIME_DELAY to actually create two files and >>> loop touching one of them until the timestamps differ. >> >> This won’t work, because whether *test* thinks two timestamps differ >> may be different from whether *autom4te* thinks two timestamps differ >> (due to the whole mess with Time::HiRes not necessarily being >> available, timestamps getting rounded to the nearest IEEE double, >> etc). Also, test -nt isn’t portable, we’d have to do the same >> mess with ls -t that’s in the code setting at_ts_resolution. > > Since for the purpose of testing autom4te behaviour one should be able > to assume autom4te is available, a solution for this issue would be to > simply add a mechanism to autom4te (or find a creative way to do it > with existing autom4te) which compares two file timestamps, and use > that in the loop. Oh, that's a good idea. I'm not going to do it for 2.72 but I have filed https://savannah.gnu.org/support/index.php?110989 so I don't forget about it. zw
