Fix one of upstream non-determinism, tracked here:

https://github.com/JuliaLang/julia/issues/34115
https://github.com/JuliaLang/julia/issues/25900


Patch by Nicoló Balzarotti <nicolo@nixo.xyz>.

--- a/base/loading.jl
+++ b/base/loading.jl
@@ -807,7 +807,10 @@
         path = normpath(joinpath(dirname(prev), _path))
     end
     if _track_dependencies[]
-        push!(_require_dependencies, (mod, path, mtime(path)))
+          push!(_require_dependencies,
+                (mod, path,
+                 haskey(ENV, "SOURCE_DATE_EPOCH") ?
+                 parse(Float64, ENV["SOURCE_DATE_EPOCH"]) : mtime(path)))
     end
     return path, prev
 end
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<tr><td><span title='2024-01-14 23:00:04 +0100'>2024-01-14</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=ef270f9d73203c1b19c6163ce4d4257a52bfb605'>gnu: openssh: Fix build on ppc64le.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ssh.scm (openssh)[source]:
Use 'openssh-gcc-13-ppc64le-fzero-call-used-regs.patch'.
* gnu/packages/patches/openssh-gcc-13-ppc64le-fzero-call-used-regs.patch:
New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Reported-by: Marcel van der Boom &lt;marcel@van-der-boom.nl&gt;.

Change-Id: I41b1350b2cdd1487a8fd69b13b64f63c0dc166c9
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Jack Hill</td></tr>
<tr><td><span title='2024-01-14 23:00:04 +0100'>2024-01-14</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=80bec14a9e4797ae436b113c7e0d9be52a17a1d7'>gnu: guile-ssh: Update to 0.16.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ssh.scm (guile-ssh): Update to 0.16.4.
  [arguments]: Improve the style.

Change-Id: Ib7d741e7f4fc7a1fc167cfa4f7953f84d9f4d390
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Artyom V. Poptsov</td></tr>
<tr><td><span title='2023-12-21 12:34:56 -0500'>2023-12-21</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=04b63ea195cbcbcf519b7dd52546c6d56be6741b'>gnu: openssh: Update to 9.6p1 [security-fixes].</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes CVE-2023-48795.

* gnu/packages/ssh.scm (openssh): Update to 9.6p1.
[arguments]&lt;#:parallel-tests?&gt;: Disable.

Change-Id: I8b7707894d904ec8bcccb943908fff2e69a1a027
Signed-off-by: John Kehayias &lt;john.kehayias@protonmail.com&gt;
</span></span></td><td>Jack Hill</td></tr>
<tr><td><span title='2023-12-21 12:30:15 -0500'>2023-12-21</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=97e517a5682af0fc031a5b7b1abf6d7c6ec2b2c9'>gnu: libssh: Update to 0.10.6 [security-fixes].</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes CVE-2023-6004, CVE-2023-48795, and CVE-2023-6918.

* gnu/packages/ssh.scm (libssh): Update to 0.10.6.

Change-Id: Ie9d304d78b2629f41af9836e5c7eab5df6f26bb5
Signed-off-by: John Kehayias &lt;john.kehayias@protonmail.com&gt;
</span></span></td><td>Jack Hill</td></tr>
<tr><td><span title='2023-11-19 01:00:00 +0100'>2023-11-19</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=1408e7a3046140a26c69603cf7e0507c110eea4a'>gnu: openssh: Update to 9.5p1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ssh.scm (openssh): Update to 9.5p1.

Change-Id: I7347258f801e97045774a27e4c30b82fff2ff73e
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-10-15 02:00:00 +0200'>2023-10-15</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=f59bbf0a97b1d35a37c003f547ead11729d76c4c'>gnu: mosh: Prepare for cross-building.</a><span class='msg-avail'>...<span class='msg-tooltip'>Currently blocked by protobuf.

* gnu/packages/ssh.scm (mosh)[arguments]: Use SEARCH-INPUT-FILE.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-10-15 02:00:00 +0200'>2023-10-15</span></td><td><a href='/guix/commit/gnu/packages/ssh.scm?id=063655dbada4ec95b59bd94edded61b664528fcb'>gnu: mosh: Update package style.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ssh.scm (mosh)[arguments]: Use G-expressions.
Don't explicitly return #t from phases.
[inputs]: Remove input labels.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>