memcached: upgrade to 1.6.9

Fix Set but unused clang warning
sigignore issue is already fixed in 1.6.9

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

meta-networking/recipes-support/memcached/memcached/0001-Replace-sigignore-with-signal-API.patch

@@ -1,74 +0,0 @@
-From b9040acdba1245f8cdf5e94384830e3d04fde98a Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Wed, 22 Jul 2020 21:32:14 -0700
-Subject: [PATCH] Replace sigignore with signal API
-
-sigignore has been deprecated in glibc 2.32+ [1] and eventually it will be
-removed, therefore substitute it
-
-[1] https://sourceware.org/git/?p=glibc.git;a=commit;h=02802fafcf6e11ea3f998f685035ffe568dfddeb
-
-Upstream-Status: Submitted [https://github.com/memcached/memcached/pull/702]
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- configure.ac |  1 -
- memcached.c  | 16 ++--------------
- 2 files changed, 2 insertions(+), 15 deletions(-)
-
-diff --git a/configure.ac b/configure.ac
-index ffc98b2..4567b30 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -630,7 +630,6 @@ AC_CHECK_FUNCS(mlockall)
- AC_CHECK_FUNCS(getpagesizes)
- AC_CHECK_FUNCS(sysconf)
- AC_CHECK_FUNCS(memcntl)
--AC_CHECK_FUNCS(sigignore)
- AC_CHECK_FUNCS(clock_gettime)
- AC_CHECK_FUNCS(preadv)
- AC_CHECK_FUNCS(pread)
-diff --git a/memcached.c b/memcached.c
-index 9cb778d..91ced9e 100644
---- a/memcached.c
-+++ b/memcached.c
-@@ -8292,18 +8292,6 @@ static void sig_usrhandler(const int sig) {
-     stop_main_loop = GRACE_STOP;
- }
- 
--#ifndef HAVE_SIGIGNORE
--static int sigignore(int sig) {
--    struct sigaction sa = { .sa_handler = SIG_IGN, .sa_flags = 0 };
--
--    if (sigemptyset(&sa.sa_mask) == -1 || sigaction(sig, &sa, 0) == -1) {
--        return -1;
--    }
--    return 0;
--}
--#endif
--
--
- /*
-  * On systems that supports multiple page sizes we may reduce the
-  * number of TLB-misses by using the biggest available page size
-@@ -9996,7 +9984,7 @@ int main (int argc, char **argv) {
-     /* daemonize if requested */
-     /* if we want to ensure our ability to dump core, don't chdir to / */
-     if (do_daemonize) {
--        if (sigignore(SIGHUP) == -1) {
-+        if (signal(SIGHUP, SIG_IGN) == SIG_ERR) {
-             perror("Failed to ignore SIGHUP");
-         }
-         if (daemonize(maxcore, settings.verbose) == -1) {
-@@ -10146,7 +10134,7 @@ int main (int argc, char **argv) {
-      * ignore SIGPIPE signals; we can use errno == EPIPE if we
-      * need that information
-      */
--    if (sigignore(SIGPIPE) == -1) {
-+    if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
-         perror("failed to ignore SIGPIPE; sigaction");
-         exit(EX_OSERR);
-     }
--- 
-2.27.0
-

meta-networking/recipes-support/memcached/memcached/0002-stats_prefix.c-Check-for-NDEBUG-before-using-total_w.patch

@@ -0,0 +1,48 @@
+From d6294e9166e4875a0572349aabcc5e51acbd2e3c Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 4 Jun 2021 11:33:12 -0700
+Subject: [PATCH] stats_prefix.c: Check for NDEBUG before using total_written
+ variable
+
+When using NDEBUG assert macro is ineffective which is caught by latest
+clang and reports that total_written is set but unused. Therefore check
+for NDEBUG to make sure assert is used only when its effective
+
+Fixes
+error: variable 'total_written' set but not used [-Werror,-Wunused-but-set-variable]
+    size_t size = 0, written = 0, total_written = 0;
+                                  ^
+Upstream-Status: Submitted [https://github.com/memcached/memcached/pull/792]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ stats_prefix.c | 8 ++++++--
+ 1 file changed, 6 insertions(+), 2 deletions(-)
+
+diff --git a/stats_prefix.c b/stats_prefix.c
+index 62f0d04..d72e514 100644
+--- a/stats_prefix.c
++++ b/stats_prefix.c
+@@ -127,8 +127,10 @@ char *stats_prefix_dump(int *length) {
+     PREFIX_STATS *pfs;
+     char *buf;
+     int i, pos;
+-    size_t size = 0, written = 0, total_written = 0;
+-
++    size_t size = 0, written = 0;
++#ifndef NDEBUG
++    size_t total_written = 0;
++#endif
+     /*
+      * Figure out how big the buffer needs to be. This is the sum of the
+      * lengths of the prefixes themselves, plus the size of one copy of
+@@ -154,8 +156,10 @@ char *stats_prefix_dump(int *length) {
+                            pfs->prefix, pfs->num_gets, pfs->num_hits,
+                            pfs->num_sets, pfs->num_deletes);
+             pos += written;
++#ifndef NDEBUG
+             total_written += written;
+             assert(total_written < size);
++#endif
+         }
+     }
+ 

meta-networking/recipes-support/memcached/memcached_1.6.9.bb

@@ -21,9 +21,9 @@ 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-Replace-sigignore-with-signal-API.patch \
+           file://0002-stats_prefix.c-Check-for-NDEBUG-before-using-total_w.patch \
            "
-SRC_URI[sha256sum] = "908f0eecfa559129c9e44edc46f02e73afe8faca355b4efc5c86d902fc3e32f7"
+SRC_URI[sha256sum] = "d5a62ce377314dbffdb37c4467e7763e3abae376a16171e613cbe69956f092d1"
 
 # set the same COMPATIBLE_HOST as libhugetlbfs
 COMPATIBLE_HOST = "(i.86|x86_64|powerpc|powerpc64|aarch64|arm).*-linux*"