Honor SOURCE_DATE_EPOCH variable to avoid non-determinism in generated
"autoloads" files.

--- a/lisp/emacs-lisp/autoload.el
+++ b/lisp/emacs-lisp/autoload.el
@@ -378,8 +378,12 @@
   "Insert the section-header line,
 which lists the file name and which functions are in it, etc."
   (insert generate-autoload-section-header)
-  (prin1 `(autoloads ,autoloads ,load-name ,file ,time)
-	 outbuf)
+  (let* ((env  (getenv "SOURCE_DATE_EPOCH"))
+         (time (if env
+                   (seconds-to-time (string-to-number env))
+                 time)))
+    (prin1 `(autoloads ,autoloads ,load-name ,file ,time)
+           outbuf))
   (terpri outbuf)
   ;; Break that line at spaces, to avoid very long lines.
   ;; Make each sub-line into a comment.
ko' selected='selected'>koszko</option>
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<div class='path'>path: <a href='/guix/log/?id=10eefb70920500a6b8d9ae23df7989b62a61803d'>root</a>/<a href='/guix/log/gnu?id=10eefb70920500a6b8d9ae23df7989b62a61803d'>gnu</a>/<a href='/guix/log/gnu/build?id=10eefb70920500a6b8d9ae23df7989b62a61803d'>build</a>/<a href='/guix/log/gnu/build/linux-boot.scm?id=10eefb70920500a6b8d9ae23df7989b62a61803d'>linux-boot.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/build/linux-boot.scm?id=10eefb70920500a6b8d9ae23df7989b62a61803d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-03-24 23:06:12 +0100'>2019-03-24</span></td><td><a href='/guix/commit/gnu/build/linux-boot.scm?id=ae7a316b9da0d1a50c5abdc531c68c8e98e561c9'>system: Initialize console keyboard layout in the initrd.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
8ff43b959c258ed92531029a1c82fa7'>tests: Adjust for removal of 'device' field in &lt;bootloader-configuration&gt;.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-11 12:14:38 +0100'>2019-01-11</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=84a2de36a10dc2ab80f86e16721cbd228c85279e'>services: Deprecate a few more service procedures.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-10-18 01:12:22 +0200'>2018-10-18</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=39d7fdce453b0ca23ecbed72048647debbaa58a6'>services: dhcp-client: Deprecate 'dhcp-client-service' procedure.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-09-07 11:40:05 +0200'>2018-09-07</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=1540075c790dfaeff52c93392f2fc63b9e23b77e'>vm: Make UUID computation really deterministic.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-28 13:24:19 +0200'>2018-05-28</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=9ceeca0880248eee8c2796f5e6ebc172b95277f7'>system: Remove uses of the 'title' field of &lt;file-system&gt;.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-19 00:14:51 +0200'>2018-05-19</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=7acdecec9992b81485814f153effdcb097c1e7c4'>tests: Adjust to new "unbound variable" messages.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-04-30 14:22:43 +0200'>2018-04-30</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=6ac8b7359a1ac80e558f41dd37004ffa727dd3c6'>guix system: search: Display default Shepherd service names.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-24 03:04:11 +0100'>2018-03-24</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=8e88f6fa8236a1fe66912957ecacae348355ec15'>tests: Add tests for "guix system disk-image" et al.</a><span class='msg-avail'>...</span></td><td>Chris Marusich</td></tr>
<tr><td><span title='2017-12-06 15:02:24 +0100'>2017-12-06</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=fdfdecdb7ebfd05b4ae66cc5140078dbfc10fc35'>gnu, doc, tests: Use ‘bootloader-configuration’ everywhere.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-12-04 04:30:28 -0600'>2017-12-04</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=42d16037d857aac02add38513bfa58535c1ddcfe'>tests: Look for multi-digit column numbers in unbound variable test.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2017-11-10 00:02:30 +0100'>2017-11-10</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=b70d72ac47fdc9364a64bd22962b2e11524e38b2'>tests: Adjust to unbound-variable exception printer.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-08 22:36:20 +0100'>2017-11-08</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=c5a4a92f1a796e342b7db4c458f1fdb61ffc8d40'>gnu: Improve error reporting of the use-.*modules macros.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-10-10 23:12:03 +0200'>2017-10-10</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=a6e22d84450450cacc6fc36445f6ae378a5b7ad0'>ui: Improve reporting of missing closing parentheses.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-09-16 17:47:46 +0200'>2017-09-16</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=0649321d91406bb5c19419fac931c202867d7416'>guix system: Add 'search' command.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-03-15 15:19:54 +0100'>2017-03-15</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=13159c68ef912a77e5718232f6cf7a0deec4ecde'>tests: Expect less accurate location info in 2.2.0.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-07-20 14:49:01 +0200'>2016-07-20</span></td><td><a href='/guix/commit/tests/guix-system.sh?id=a849273509efb38e3f8ba740a7e1f63191413d91'>tests: Adjust to Shepherd error message change.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>