Copied from Debian.

From: Jérémy Bobbio <lunar@debian.org>
Subject: Remove build date
Bug-Debian: http://bugs.debian.org/782851
 In order to make unzip build reproducibly, we remove the
 (already optional) build date from the binary.

--- a/unix/unix.c
+++ b/unix/unix.c
@@ -1705,7 +1705,7 @@
 #endif /* Sun */
 #endif /* SGI */
 
-#ifdef __DATE__
+#if 0
       " on ", __DATE__
 #else
       "", ""
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<tr><td><span title='2023-05-11 16:38:27 +0200'>2023-05-11</span></td><td><a href='/guix/commit/gnu/home/services/fontutils.scm?id=8d442e8a53b8ef3727252425afe2cfb922f51368'>gnu: home: services: fontutils: Add support for SXML fragments.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/home/services/fontutils.scm (add-fontconfig-config-file): Add
support for adding arbitrary SXML configuration into fonts.conf;
* doc/guix.texi (Fonts Services): Update the documentation.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Andrew Patterson</td></tr>
<tr><td><span title='2023-01-31 23:08:38 +0100'>2023-01-31</span></td><td><a href='/guix/commit/gnu/home/services/fontutils.scm?id=f85865a05aa3914a478a46e6f10a5ac442d793a2'>home: services: fontutils: Add service value.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/home/services/fontutils.scm (add-fontconfig-config-file): Add
support for multiple paths;
(home-fontconfig-service-type): Honor it;
* doc/guix.texi (Fonts Services): Document it.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Giacomo Leidi</td></tr>