gnu: multipath-tools: Update to 0.8.5.

* gnu/packages/linux.scm (multipath-tools): Update to 0.8.5.
[source]: Remove patch.
[arguments]: Add a ‘skip-failing-tests’ phase.
* gnu/packages/patches/multipath-tools-sans-systemd.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -1357,7 +1357,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/mozjs38-version-detection.patch		\
   %D%/packages/patches/mrrescue-support-love-11.patch		\
   %D%/packages/patches/mtools-mformat-uninitialized.patch	\
-  %D%/packages/patches/multipath-tools-sans-systemd.patch	\
   %D%/packages/patches/mumps-build-parallelism.patch		\
   %D%/packages/patches/mumps-shared-libseq.patch		\
   %D%/packages/patches/mumps-shared-mumps.patch			\

gnu/packages/linux.scm

@@ -4430,7 +4430,7 @@ arrays when needed.")
 (define-public multipath-tools
   (package
     (name "multipath-tools")
-    (version "0.8.4")
+    (version "0.8.5")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -4439,8 +4439,7 @@ arrays when needed.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "14n8pcgnliicqxzc40xvjxk4cafm4qx7a3rsx5qva74r3ydzx8rn"))
-              (patches (search-patches "multipath-tools-sans-systemd.patch"))
+                "0gipg0z79h76j0f449cx4wcrfsv69ravjlpphsac11h302g3nrvg"))
               (modules '((guix build utils)))
               (snippet
                '(begin
@@ -4498,6 +4497,18 @@ arrays when needed.")
                (("-lmultipath -lcmocka")
                 "-lmultipath -L$(mpathcmddir) -lmpathcmd -lcmocka"))
              #t))
+         (add-after 'unpack 'skip-failing-tests
+           (lambda _
+             ;; This test and the module's setup() test an arbitrary block
+             ;; device node name, but the build environment has none.
+             (substitute* "tests/devt.c"
+               (("return get_one_devt.*") "return 0;\n")
+               (("cmocka_unit_test\\(test_devt2devname_devt_good\\),") ""))
+             ;; The above triggers -Werror=unused-function.  Ignore it.
+             (substitute* "tests/Makefile"
+               (("CFLAGS \\+= " match)
+                (string-append match "-Wno-error=unused-function ")))
+             #t))
          (delete 'configure))))         ; no configure script
     (native-inputs
      `(("perl" ,perl)

gnu/packages/patches/multipath-tools-sans-systemd.patch

@@ -1,83 +0,0 @@
-Fix various compiler warnings when built without systemd.
-
-Submitted upstream at <https://www.redhat.com/archives/dm-devel/2020-May/thread.html>.
-
-diff --git a/libmultipath/config.c b/libmultipath/config.c
---- a/libmultipath/config.c
-+++ b/libmultipath/config.c
-@@ -696,7 +696,7 @@ process_config_dir(struct config *conf, char *dir)
- 	pthread_cleanup_pop(1);
- }
- 
--static void set_max_checkint_from_watchdog(struct config *conf)
-+static void set_max_checkint_from_watchdog(__attribute__((unused)) struct config *conf)
- {
- #ifdef USE_SYSTEMD
- 	char *envp = getenv("WATCHDOG_USEC");
-diff --git a/multipathd/main.c b/multipathd/main.c
---- a/multipathd/main.c
-+++ b/multipathd/main.c
-@@ -176,6 +176,7 @@ daemon_status(void)
- /*
-  * I love you too, systemd ...
-  */
-+#ifdef USE_SYSTEMD
- static const char *
- sd_notify_status(enum daemon_status state)
- {
-@@ -195,7 +196,6 @@ sd_notify_status(enum daemon_status state)
- 	return NULL;
- }
- 
--#ifdef USE_SYSTEMD
- static void do_sd_notify(enum daemon_status old_state,
- 			 enum daemon_status new_state)
- {
-@@ -247,7 +247,9 @@ enum daemon_status wait_for_state_change_if(enum daemon_status oldstate,
- static void __post_config_state(enum daemon_status state)
- {
- 	if (state != running_state && running_state != DAEMON_SHUTDOWN) {
--		enum daemon_status old_state = running_state;
-+		/* save state for sd_notify */
-+		enum daemon_status
-+			__attribute__((unused)) old_state = running_state;
- 
- 		running_state = state;
- 		pthread_cond_broadcast(&config_cond);
-@@ -272,7 +274,9 @@ int set_config_state(enum daemon_status state)
- 	pthread_cleanup_push(config_cleanup, NULL);
- 	pthread_mutex_lock(&config_lock);
- 	if (running_state != state) {
--		enum daemon_status old_state = running_state;
-+		/* save state for sd_notify */
-+		enum daemon_status
-+			__attribute__((unused)) old_state = running_state;
- 
- 		if (running_state == DAEMON_SHUTDOWN)
- 			rc = EINVAL;
-@@ -2280,7 +2284,6 @@ checkerloop (void *ap)
- 	struct timespec last_time;
- 	struct config *conf;
- 	int foreign_tick = 0;
--	bool use_watchdog;
- 
- 	pthread_cleanup_push(rcu_unregister, NULL);
- 	rcu_register_thread();
-@@ -2292,11 +2295,15 @@ checkerloop (void *ap)
- 	get_monotonic_time(&last_time);
- 	last_time.tv_sec -= 1;
- 
--	/* use_watchdog is set from process environment and never changes */
- 	conf = get_multipath_config();
--	use_watchdog = conf->use_watchdog;
- 	put_multipath_config(conf);
- 
-+#ifdef USE_SYSTEMD
-+	/* use_watchdog is set from process environment and never changes */
-+	bool use_watchdog;
-+	use_watchdog = conf->use_watchdog;
-+#endif
-+
- 	while (1) {
- 		struct timespec diff_time, start_time, end_time;
- 		int num_paths = 0, strict_timing, rc = 0;