Fix <https://issues.guix.gnu.org/61095>, which affects GNU/Hurd.

diff --git a/libguile/posix.c b/libguile/posix.c
index 3a8be94e4..f5fdc544c 100644
--- a/libguile/posix.c
+++ b/libguile/posix.c
@@ -1326,7 +1326,14 @@ static void
 close_inherited_fds_slow (posix_spawn_file_actions_t *actions, int max_fd)
 {
   while (--max_fd > 2)
-    posix_spawn_file_actions_addclose (actions, max_fd);
+    {
+      /* Adding invalid file descriptors to an 'addclose' action leads
+         to 'posix_spawn' failures on some operating systems:
+         <https://bugs.gnu.org/61095>.  Hence the extra check.  */
+      int flags = fcntl (max_fd, F_GETFD, NULL);
+      if ((flags >= 0) && ((flags & FD_CLOEXEC) == 0))
+        posix_spawn_file_actions_addclose (actions, max_fd);
+    }
 }
 
 static void

Fix <https://issues.guix.gnu.org/62501>.

diff --git a/test-suite/tests/posix.test b/test-suite/tests/posix.test
index f20e04453..d5cf47cda 100644
--- a/test-suite/tests/posix.test
+++ b/test-suite/tests/posix.test
@@ -431,7 +431,13 @@
       (let ((str (get-string-all (car input+output))))
         (close-port (car input+output))
         (waitpid pid)
-        str)))
+
+        ;; On GNU/Hurd, the exec server prepends 'LD_ORIGIN_PATH' for
+        ;; every program: <https://bugs.gnu.org/62501>.  Strip it.
+        (if (and (string=? "GNU" (utsname:sysname (uname)))
+                 (string-prefix? "LD_ORIGIN_PATH=" str))
+            (string-drop str (+ 1 (string-index str #\newline)))
+            str))))
 
   (pass-if-equal "ls /proc/self/fd"
       "0\n1\n2\n3\n"                     ;fourth FD is for /proc/self/fd
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<tr><td><span title='2024-12-14 21:32:30 +0200'>2024-12-14</span></td><td><a href='/guix/commit/gnu/packages/fediverse.scm?id=ce1032d25ba0b6398e93503de833591702143656'>gnu: toot: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fediverse.scm (toot)[native-inputs]: Add
python-setuptools and python-wheel.

Change-Id: I404c25a277f455169c294e8fdcfcd1596ebce0e1
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-11-28 16:47:50 +0800'>2024-11-28</span></td><td><a href='/guix/commit/gnu/packages/fediverse.scm?id=3c822126bed8d3b7f3f0b1505161d354c56da69b'>gnu: snac: Update to 2.65.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fediverse.scm (snac2): Update to 2.65.

Change-Id: Ie61958a9e31e8131e29bd9327730daa74b7bc4e7
Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
</span></span></td><td>Ashish SHUKLA</td></tr>
<tr><td><span title='2024-11-14 18:00:24 +0200'>2024-11-14</span></td><td><a href='/guix/commit/gnu/packages/fediverse.scm?id=c1cb7f1031c5dde2a260d8d8ad7547d6c79cc532'>gnu: snac2: Update to 2.63.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fediverse.scm (snac2): Update to 2.63.
[arguments]: Adjust make-flags to install the man-pages in the correct
directory.

Change-Id: I51a2434fda3d6a2ea92a342f346f5a4f1af7fa3d
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-09-25 09:37:30 +0300'>2024-09-25</span></td><td><a href='/guix/commit/gnu/packages/fediverse.scm?id=fdd2a6c4c039c68dc006c83b6974f95e42353df0'>gnu: tuba: Update to 0.8.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fediverse.scm (tuba): Update to 0.8.4.
[inputs]: Add bash-minimal.

Change-Id: I888fb76603c1857318bc35d2bfd0e0169510ffad
</span></span></td><td>Efraim Flashner</td></tr>