GNU bug report logs - #40046
28.0.50; infinite recursion futimens -> fdutimens -> futimens -> ...

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Mattias Engdegård <mattiase <at> acm.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#40046: closed (28.0.50; infinite recursion futimens ->
 fdutimens -> futimens -> ...)
Date: Fri, 13 Mar 2020 10:22:01 +0000

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Your message dated Fri, 13 Mar 2020 11:21:18 +0100
with message-id <25EEA4FE-DA02-4B11-A050-813CA07C948E <at> acm.org>
and subject line Re: 28.0.50; infinite recursion futimens -> fdutimens -> futimens -> ...
has caused the debbugs.gnu.org bug report #40046,
regarding 28.0.50; infinite recursion futimens -> fdutimens -> futimens -> ...
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Mattias Engdegård <mattiase <at> acm.org>
To: bug-gnu-emacs <at> gnu.org
Cc: Paul Eggert <eggert <at> cs.ucla.edu>
Subject: 28.0.50; infinite recursion futimens -> fdutimens -> futimens -> ...
Date: Thu, 12 Mar 2020 23:03:28 +0100

On macOS 10.14, futimens in lib/futimens.c calls fdutimens in lib/utimens.c which calls futimens again, recursing until the stack is full. This cause Fcopy_file to crash, for instance.

No doubt I've made a silly configuration error, but I've wiped the (out-of-tree) build directory, regenerated configure and all. As expedience I commented out the futimens definition. Not sure how this is supposed to work really -- what am I missing? HAVE_FUTIMENS is set in config.h.

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From: Mattias Engdegård <mattiase <at> acm.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 40046-done <at> debbugs.gnu.org
Subject: Re: 28.0.50; infinite recursion futimens -> fdutimens -> futimens ->
 ...
Date: Fri, 13 Mar 2020 11:21:18 +0100

13 mars 2020 kl. 00.47 skrev Paul Eggert <eggert <at> cs.ucla.edu>:

> This feels like Bug#39948. I suggest cloning the source directory from git master, and starting afresh. Merely wiping out the build directory does not always suffice (I don't know why).

Thanks, and you were right. After carefully removing all non-versioned files from the source directory, the problems went away.
Closed.

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