mariadb: Fix build with clang/musl

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

meta-oe/recipes-dbs/mysql/mariadb.inc

@@ -23,6 +23,7 @@ SRC_URI = "https://downloads.mariadb.org/interstitial/${BP}/source/${BP}.tar.gz
            file://sys_futex.patch \
            file://cross-compiling.patch \
            file://ssize_t.patch \
+           file://mm_malloc.patch \
           "
 SRC_URI_append_libc-musl = " file://ppc-remove-glibc-dep.patch"
 

meta-oe/recipes-dbs/mysql/mariadb/mm_malloc.patch

@@ -0,0 +1,11 @@
+--- a/storage/rocksdb/rocksdb/port/jemalloc_helper.h
++++ b/storage/rocksdb/rocksdb/port/jemalloc_helper.h
+@@ -5,7 +5,7 @@
+ 
+ #pragma once
+ 
+-#if defined(__clang__)
++#if defined(__clang__) && defined(__GLIBC__)
+ // glibc's `posix_memalign()` declaration specifies `throw()` while clang's
+ // declaration does not. There is a hack in clang to make its re-declaration
+ // compatible with glibc's if they are declared consecutively. That hack breaks