libudev: Don't pull in libshared_static

- Move devices-nodes.c to src/basic as it's super trivial anyway
- Duplicate udev_queue_is_empty() in libudev-util.c as it's trivial
  anyway.

meson.build

@@ -2227,7 +2227,7 @@ libudev = shared_library(
         implicit_include_directories : false,
         link_args : ['-shared',
                      '-Wl,--version-script=' + libudev_sym_path],
-        link_with : [libsystemd_static, libshared_static],
+        link_with : [libsystemd_static],
         link_whole : libudev_basic,
         dependencies : [threads,
                         userspace],

src/basic/device-nodes.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
-#include "shared-forward.h"
+#include "basic-forward.h"
 
 int encode_devnode_name(const char *str, char *str_enc, size_t len);
 int allow_listed_char_for_devnode(char c, const char *additional);

src/basic/meson.build

@@ -23,6 +23,7 @@ basic_sources = files(
         'compress.c',
         'conf-files.c',
         'confidential-virt.c',
+        'device-nodes.c',
         'devnum-util.c',
         'dirent-util.c',
         'dlfcn-util.c',

src/libudev/libudev-queue.c

@@ -12,7 +12,6 @@
 #include "errno-util.h"
 #include "fd-util.h"
 #include "io-util.h"
-#include "udev-util.h"
 
 /**
  * SECTION:libudev-queue
@@ -64,6 +63,11 @@ static struct udev_queue* udev_queue_free(struct udev_queue *udev_queue) {
         return mfree(udev_queue);
 }
 
+static int udev_queue_is_empty(void) {
+        return access("/run/udev/queue", F_OK) < 0 ?
+                (errno == ENOENT ? true : -errno) : false;
+}
+
 /**
  * udev_queue_ref:
  * @udev_queue: udev queue context

src/shared/meson.build

@@ -57,7 +57,6 @@ shared_sources = files(
         'daemon-util.c',
         'data-fd-util.c',
         'dev-setup.c',
-        'device-nodes.c',
         'discover-image.c',
         'dissect-image.c',
         'dm-util.c',