GNU bug report logs - #58224
29.0.50; "make bootstrap" spuriously warns: "comp.el newer than byte-compiled file"

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefankangas <at> gmail.com>
Subject: bug#58224: closed (Re: bug#58224: 29.0.50; "make bootstrap"
 spuriously warns: "comp.el newer than byte-compiled file")
Date: Sun, 02 Oct 2022 20:38:01 +0000

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Your bug report

#58224: 29.0.50; "make bootstrap" spuriously warns: "comp.el newer than byte-compiled file"

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 58224 <at> debbugs.gnu.org.

-- 
58224: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=58224
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Alan Mackenzie <acm <at> muc.de>
To: Eli Zaretskii <eliz <at> gnu.org>, stefankangas <at> gmail.com
Cc: acm <at> muc.de, 58224-done <at> debbugs.gnu.org
Subject: Re: bug#58224: 29.0.50; "make bootstrap" spuriously warns: "comp.el
 newer than byte-compiled file"
Date: Sun, 2 Oct 2022 20:37:14 +0000

Hello, Eli and Stefan.

On Sun, Oct 02, 2022 at 20:07:26 +0300, Eli Zaretskii wrote:
> > Date: Sun, 2 Oct 2022 16:46:01 +0000
> > Cc: stefankangas <at> gmail.com, 58224 <at> debbugs.gnu.org, acm <at> muc.de
> > From: Alan Mackenzie <acm <at> muc.de>

> > > > In lread.c I've got:

> > > >   struct timespec epoch_timespec = {(time_t)0, 0}; /* 1970-01-01T00:00 UTC */ 

> > > > , which clearly isn't satisfactory.

> > > I'm not sure I follow: why not satisfactory?

> > Don't we build for operating systems with different epochs?

> No, the Epoch is the same for everyone.  It's a Posix notion, AFAIK.

> > > Is mktime the function you are after?

> > Yes thanks!  But it's horribly complicated, involving wierd readings and
> > settings of the TZ environment variable, and so on.

> Not if you are interested in UTC.

> > If a binary zero time would do (as above), maybe it would be
> > satisfactory.  ;-)

> Yes.

OK, that's great!  I've committed a patch, and I'm closing the bug with
this post.

-- 
Alan Mackenzie (Nuremberg, Germanay).

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From: Stefan Kangas <stefankangas <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; "make bootstrap" spuriously warns: "comp.el newer than
 byte-compiled file"
Date: Sat, 1 Oct 2022 16:15:09 +0200

Severity: wishlist

Every time I "make bootstrap", I get a ton of spurious messages (see
below).  I believe they started showing up with Lars' much appreciated
work on improving build speeds.  I have tripped myself up over this
more than once, and I suspect it will confuse users too.

Is there any chance we could do something to silence them?  If we
can't solve it "properly", how about just a hack?  For example, could
we add some variable to suppress these messages at this stage of the
build process?

For completeness, I almost always build --with-native-compilation, in
case that matters.

  ELC+ELN  emacs-lisp/cconv.elc
  ELC+ELN  emacs-lisp/byte-opt.elc
  ELC+ELN  emacs-lisp/bytecomp.elc
  ELC+ELN  emacs-lisp/comp.elc
  ELC+ELN  emacs-lisp/comp-cstr.elc
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/bytecomp.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/bytecomp.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/cconv.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/cconv.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/bytecomp.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/cconv.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/bytecomp.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/bytecomp.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/cconv.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/cconv.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/icons.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/icons.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/icons.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/icons.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp-cstr.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp-cstr.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp-cstr.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/icons.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp-cstr.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp-cstr.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/byte-opt.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/byte-opt.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/byte-opt.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/byte-opt.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/byte-opt.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/comint.el’ newer than
byte-compiled file; using older file
  ELC+ELN  emacs-lisp/loaddefs-gen.elc
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/bytecomp.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/icons.el’ newer
than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/comp-cstr.el’
newer than byte-compiled file; using older file
Source file ‘/Users/skangas/wip/emacs/lisp/emacs-lisp/byte-opt.el’
newer than byte-compiled file; using older file

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