On Dec 15, 2014, at 1:13 PM, Pavel Raiskup <praiskup@xxxxxxxxxx> wrote:
>
> [+cc autoconf, as this seems to be relevant]
>
> Hi all,
Hi Pavel,
Thanks for the fix. This one has caught me out occasionally too, so I'll also
be glad to banish it!
Sorry for the delay in applying and pushing... it's been a crazy month!
> after several random [ltdl dryrun] failures, I used the 'make --debug' and
> some stat calls to debug. Logs are attached for ok & failed runs as
> tarball. Seems like after 'aclocal' run there should be an explicit
> 'sleep 1', similarly like in autoreconf [1]. Possible fix attached. The
> problem seems to be in autoheader and Perl's move function (underlying
> utime() handling?):
>
> $ touch /tmp/a
> $ stat /tmp/a
> File: ‘/tmp/a’
> Size: 0 Blocks: 0 IO Block: 4096 regular empty file
> Device: 23h/35d Inode: 1296845 Links: 1
> Access: (0664/-rw-rw-r--) Uid: ( 1000/praiskup) Gid: ( 1000/praiskup)
> Context: unconfined_u:object_r:user_tmp_t:s0
> Access: 2014-12-15 14:03:35.744530946 +0100
> Modify: 2014-12-15 14:03:35.744530946 +0100
> Change: 2014-12-15 14:03:35.744530946 +0100
> Birth: -
> $ perl -MFile::Copy -e 'move ("/tmp/a", "a");'
> $ stat a
> File: ‘a’
> Size: 0 Blocks: 0 IO Block: 4096 regular empty file
> Device: fd00h/64768d Inode: 11068678 Links: 1
> Access: (0664/-rw-rw-r--) Uid: ( 1000/praiskup) Gid: ( 1000/praiskup)
> Context: unconfined_u:object_r:user_home_t:s0
> Access: 2014-12-15 14:03:42.000000000 +0100
> Modify: 2014-12-15 14:03:35.000000000 +0100
> ^^^ floor()-ed
> Change: 2014-12-15 14:03:42.678581581 +0100
> Birth: -
>
> [1] http://git.savannah.gnu.org/cgit/autoconf.git/tree/bin/autoreconf.in#n356
>
> Pavel
> <racy-tests.tar.gz><0001-tests-fix-race-in-aclocal-autoheader-calls.patch>
Applied and pushed. Thanks again!
Cheers,
--
Gary V. Vaughan (gary AT gnu DOT org)
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