memcached: Upgrade to 1.6.17

Fix build with clang while here

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-support/memcached/memcached/0001-Fix-function-protypes.patch

@@ -0,0 +1,110 @@
+From 6021d3d60e64d9174f41515d2d962df9b5d7645e Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 29 Aug 2022 17:15:28 -0700
+Subject: [PATCH] Fix function protypes
+
+clang-15+ has started diagnosing them as errors
+
+thread.c:925:18: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
+| void STATS_UNLOCK() {
+|                  ^
+|                   void
+
+Upstream-Status: Submitted [https://github.com/memcached/memcached/pull/928]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ assoc.c     | 4 ++--
+ memcached.c | 4 ++--
+ slabs.c     | 2 +-
+ testapp.c   | 2 +-
+ thread.c    | 4 ++--
+ 5 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/assoc.c b/assoc.c
+index bc68695..01063a9 100644
+--- a/assoc.c
++++ b/assoc.c
+@@ -261,7 +261,7 @@ static void *assoc_maintenance_thread(void *arg) {
+ 
+ static pthread_t maintenance_tid;
+ 
+-int start_assoc_maintenance_thread() {
++int start_assoc_maintenance_thread(void) {
+     int ret;
+     char *env = getenv("MEMCACHED_HASH_BULK_MOVE");
+     if (env != NULL) {
+@@ -279,7 +279,7 @@ int start_assoc_maintenance_thread() {
+     return 0;
+ }
+ 
+-void stop_assoc_maintenance_thread() {
++void stop_assoc_maintenance_thread(void) {
+     mutex_lock(&maintenance_lock);
+     do_run_maintenance_thread = 0;
+     pthread_cond_signal(&maintenance_cond);
+diff --git a/memcached.c b/memcached.c
+index 7871fe8..4d3b54a 100644
+--- a/memcached.c
++++ b/memcached.c
+@@ -84,7 +84,7 @@ static int try_read_command_udp(conn *c);
+ static enum try_read_result try_read_network(conn *c);
+ static enum try_read_result try_read_udp(conn *c);
+ 
+-static int start_conn_timeout_thread();
++static int start_conn_timeout_thread(void);
+ 
+ /* stats */
+ static void stats_init(void);
+@@ -374,7 +374,7 @@ static void *conn_timeout_thread(void *arg) {
+     return NULL;
+ }
+ 
+-static int start_conn_timeout_thread() {
++static int start_conn_timeout_thread(void) {
+     int ret;
+ 
+     if (settings.idle_timeout == 0)
+diff --git a/slabs.c b/slabs.c
+index 3c78d8a..0dadd35 100644
+--- a/slabs.c
++++ b/slabs.c
+@@ -638,7 +638,7 @@ static void *memory_allocate(size_t size) {
+ }
+ 
+ /* Must only be used if all pages are item_size_max */
+-static void memory_release() {
++static void memory_release(void) {
+     void *p = NULL;
+     if (mem_base != NULL)
+         return;
+diff --git a/testapp.c b/testapp.c
+index 5face54..387a847 100644
+--- a/testapp.c
++++ b/testapp.c
+@@ -80,7 +80,7 @@ static struct conn *con = NULL;
+ static bool allow_closed_read = false;
+ static bool enable_ssl = false;
+ 
+-static void close_conn() {
++static void close_conn(void) {
+     if (con == NULL) return;
+ #ifdef TLS
+     if (con->ssl) {
+diff --git a/thread.c b/thread.c
+index d5ed052..f5efdc3 100644
+--- a/thread.c
++++ b/thread.c
+@@ -918,11 +918,11 @@ enum store_item_type store_item(item *item, int comm, conn* c) {
+ 
+ /******************************* GLOBAL STATS ******************************/
+ 
+-void STATS_LOCK() {
++void STATS_LOCK(void) {
+     pthread_mutex_lock(&stats_lock);
+ }
+ 
+-void STATS_UNLOCK() {
++void STATS_UNLOCK(void) {
+     pthread_mutex_unlock(&stats_lock);
+ }
+ 

meta-networking/recipes-support/memcached/memcached_1.6.17.bb

@@ -12,7 +12,7 @@ LICENSE = "BSD-3-Clause"
 
 LIC_FILES_CHKSUM = "file://COPYING;md5=7e5ded7363d335e1bb18013ca08046ff"
 
-inherit autotools
+inherit autotools pkgconfig
 
 DEPENDS += "libevent"
 RDEPENDS:${PN} += "perl perl-module-posix perl-module-autoloader \
@@ -21,12 +21,16 @@ RDEPENDS:${PN} += "perl perl-module-posix perl-module-autoloader \
 
 SRC_URI = "http://www.memcached.org/files/${BP}.tar.gz \
            file://memcached-add-hugetlbfs-check.patch \
+           file://0001-Fix-function-protypes.patch \
            "
-SRC_URI[sha256sum] = "8d7abe3d649378edbba16f42ef1d66ca3f2ac075f2eb97145ce164388e6ed515"
+SRC_URI[sha256sum] = "2055e373613d8fc21529aff9f0adce3e23b9ce01ba0478d30e7941d9f2bd1224"
 
 # set the same COMPATIBLE_HOST as libhugetlbfs
 COMPATIBLE_HOST = "(i.86|x86_64|powerpc|powerpc64|aarch64|arm).*-linux*"
 
+# assoc.c:83:9: error: variable 'depth' set but not used [-Werror,-Wunused-but-set-variable]
+CFLAGS:append:toolchain-clang = " -Wno-error=unused-but-set-variable"
+
 python __anonymous () {
     endianness = d.getVar('SITEINFO_ENDIANNESS')
     if endianness == 'le':