This patch makes emission of /CreationDate and /ModDate headers optional.

If the environment variable GS_GENERATE_UUIDS is set to "0" or "no", it will
not write out the "/ID" field (if that's permissible).

Upstream does not want to do this.

See: https://bugs.ghostscript.com/show_bug.cgi?id=698208
diff --git a/orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c b/bb/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
index 0fb067e..b342e2c 100644
--- orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
+++ gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
@@ -305,6 +305,9 @@ pdf_initialize_ids(gx_device_pdf * pdev)
      * date and time, rather than (for example) %%CreationDate from the
      * PostScript file.  We think this is wrong, but we do the same.
      */
+    if (!getenv("GS_GENERATE_UUIDS") ||
+        (strcasecmp(getenv("GS_GENERATE_UUIDS"), "0") != 0 &&
+         strcasecmp(getenv("GS_GENERATE_UUIDS"), "no") != 0))
     {
         struct tm tms;
         time_t t;
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<tr><td><span title='2024-09-04 19:17:01 +0200'>2024-09-04</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=13e7bc4e0133a7ff4910d906d5382ce3038ea76d'>gnu: screen: Update to 5.0.0</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/screen-hurd-path-max.patch: Update for screen 5.0.0.
* gnu/packages/screen.scm (screen): Update to 5.0.0.
[arguments]&lt;#:configure-flags: Add "-D_GNU_SOURCE=1" to CFLAGS.
[inputs]: Add linux-pam.

Change-Id: Iebc5eff0128ff7f4d27a22cca1bd4a025aca3244
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Andy Tai</td></tr>
<tr><td><span title='2024-08-31 10:44:58 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=687751d0d89454395cdc96d1370c1388a7c762f5'>gnu: screen: Add libxcrypt dependency.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/screen.scm (screen)[inputs]: Add libxcrypt.

Change-Id: Ia8b7fce24603a038a52d57ef7177f588b66e006e
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2024-08-31 10:42:40 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/screen.scm?id=b98f56454095f4acc0d3c885433f8966569efdfd'>gnu: byobu: Add 'bash' input for 'wrap-program'.</a><span class='msg-avail'>...<span class='msg-tooltip'>It is required for cross-compilation.

* gnu/packages/screen.scm (byobu)[inputs]: Add 'bash-minimal'.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Maxime Devos</td></tr>