Replace mallinfo with mallinfo2 on supported systems

`mallinfo` is deprecated since glibc 2.33 and has been replaced by mallinfo2.
The deprecation causes building the server to fail if glibc version is > 2.33.

Check if mallinfo2 exist on the system and use it instead.

config.h.cmake

@@ -177,6 +177,7 @@
 #cmakedefine HAVE_DECL_MADVISE 1
 #cmakedefine HAVE_DECL_MHA_MAPSIZE_VA 1
 #cmakedefine HAVE_MALLINFO 1
+#cmakedefine HAVE_MALLINFO2 1
 #cmakedefine HAVE_MEMCPY 1
 #cmakedefine HAVE_MEMMOVE 1
 #cmakedefine HAVE_MKSTEMP 1

configure.cmake

@@ -358,6 +358,7 @@ CHECK_FUNCTION_EXISTS (localtime_r HAVE_LOCALTIME_R)
 CHECK_FUNCTION_EXISTS (lstat HAVE_LSTAT)
 CHECK_FUNCTION_EXISTS (madvise HAVE_MADVISE)
 CHECK_FUNCTION_EXISTS (mallinfo HAVE_MALLINFO)
+CHECK_FUNCTION_EXISTS (mallinfo2 HAVE_MALLINFO2)
 CHECK_FUNCTION_EXISTS (memcpy HAVE_MEMCPY)
 CHECK_FUNCTION_EXISTS (memmove HAVE_MEMMOVE)
 CHECK_FUNCTION_EXISTS (mkstemp HAVE_MKSTEMP)

sql/sql_test.cc

@@ -616,8 +616,12 @@ Next alarm time: %lu\n",
 	(ulong)alarm_info.next_alarm_time);
 #endif
   display_table_locks();
-#ifdef HAVE_MALLINFO
+#if defined(HAVE_MALLINFO2)
+  struct mallinfo2 info = mallinfo2();
+#elif defined(HAVE_MALLINFO)
     struct mallinfo info= mallinfo();
+#endif
+#if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
   char llbuff[10][22];
   printf("\nMemory status:\n\
 Non-mmapped space allocated from system: %s\n\