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Re: timestamp resolution

From: James Youngman
Subject: Re: timestamp resolution
Date: Fri, 4 May 2007 13:07:09 +0100

(Dropping the austin-group list, since this email just explains
context doubtless already known to that list)

On 5/4/07, Eli Zaretskii <address@hidden> wrote:

Could you please explain why did you CC the bug-make list, and why you
mention MS-DOS?

Make deals with the timestamps of files, and - I assume - needs to
have some awareness of the possibility that timestamp resolution
issues will give just-touched files a timestamp which is in the past,
and perhaps a timestamp which is _before_ the time which was current
immediately prior to the filesystem operation.

The above addition to `pathconf', when introduced,
will be only supported on systems that use glibc, is that right?  So
MS-DOS is not relevant, even if GNU Make uses _PC_TIMESTAMP_RESOLUTION.

Glibc systems sometimes also support FAT filesystems.

Btw, the Windows epoch (on NTFS volumes) is 1601.  But that probably
doesn't matter, either, as glibc is not used.


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