This following patch was originally found at the debian mingw-w64 team's
mingw-w64 repo located here:
https://salsa.debian.org/mingw-w64-team/mingw-w64.git

Invoke the following in the aforementioned repo to see the original patch:

  $ git show 4974e2c:debian/patches/reproducible-gendef.patch

Description: Drop __DATE__ from gendef
Author: Stephen Kitt <skitt@debian.org>

This allows gendef to be built reproducibly.

--- a/mingw-w64-tools/gendef/src/gendef.c
+++ b/mingw-w64-tools/gendef/src/gendef.c
@@ -196,7 +196,6 @@
                    "  By default, the output files are named after their DLL counterparts\n"
                    "  gendef MYDLL.DLL     Produces MYDLL.def\n"
                    "  gendef - MYDLL.DLL   Prints the exports to stdout\n");
-  fprintf (stderr, "\nBuilt on %s\n", __DATE__);
   fprintf (stderr, "\nReport bugs to <mingw-w64-public@lists.sourceforge.net>\n");
   exit (0);
 }
ss='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=ae2213ed989051a680cf76582b758fd748838688'>root</a>/<a href='/guix/log/gnu?id=ae2213ed989051a680cf76582b758fd748838688'>gnu</a>/<a href='/guix/log/gnu/system?id=ae2213ed989051a680cf76582b758fd748838688'>system</a>/<a href='/guix/log/gnu/system/file-systems.scm?id=ae2213ed989051a680cf76582b758fd748838688'>file-systems.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/system/file-systems.scm?id=ae2213ed989051a680cf76582b758fd748838688&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-06-04 12:08:34 +0200'>2024-06-04</span></td><td><a href='/guix/commit/gnu/system/file-systems.scm?id=579df5bc80fbedc59dc1b99751dcc49deab8f488'>services: base: Add optional delayed mount of file-systems</a><span class='msg-avail'>...<span class='msg-tooltip'>Add a mechanism to only require mounting a subset of file-system entries
during early Shepherd initialization. Any file-system with additional Shepherd
service requirements (e.g. networking) is not required to provision
'file-systems.

* gnu/services/base.scm (file-system-shepherd-service): Splice
file-system-requirements into the Shepherd service requirement list.
(file-system-shepherd-services): Provision 'file-system only when file system
services without additional Shepherd requirements are started.
* gnu/system/file-systems.scm (file-system): Add shepherd-requirements field
to the file-system record. This field is used for adding additional Shepherd
requirements to a file-system Shepherd service.
* doc/guix.texi: Add documentation for file-system shepherd-requirements.

Change-Id: If0392db03d48e8820aa53df1df482c12ec72e1a5
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Richard Sent</td></tr>
<tr><td><span title='2024-05-13 16:31:34 +0200'>2024-05-13</span></td><td><a href='/guix/commit/gnu/system/file-systems.scm?id=efbdfe1900efa1088fd84ecf88b89a3e9e9ac0a3'>file-systems: Add "virtiofs" to the list of pseudo file system types.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/file-systems.scm (%pseudo-file-system-types): Add "virtiofs"
to the list of pseudo file system types.

Change-Id: Ib1d99127e65f6543c592faec1c54bd0c5eae3ad7
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Massimo Zaniboni</td></tr>