casa-mp-base

--- mysql-8.0.17/storage/innobase/handler/ha_innodb.cc.orig 2019-09-22 17:18:33.000000000 -0700

+++ mysql-8.0.17/storage/innobase/handler/ha_innodb.cc  2019-09-22 17:18:49.000000000 -0700

@@ -57,6 +57,10 @@

 #include <strfunc.h>

 #include <time.h>

+#if defined __APPLE__ && (MAC_OS_X_VERSION_MIN_REQUIRED < 101100)

+#include <sys/sysctl.h>

+#endif

+

 #include <sql_table.h>

 #include "mysql/components/services/system_variable_source.h"

@@ -294,10 +298,19 @@

 #undef get_sys_mem

 #define get_sys_mem get_mem_GlobalMemoryStatus

 #else

+#if defined __APPLE__ && (MAC_OS_X_VERSION_MIN_REQUIRED < 101100)

+static double get_mem_sysconf() {

+     uint64_t mem_size;

+     size_t len = sizeof(mem_size);

+     sysctlbyname("hw.memsize", &mem_size, &len, NULL, 0);

+     return (((double)mem_size) / GB);

+}

+#else

 static double get_mem_sysconf() {

   return (((double)sysconf(_SC_PHYS_PAGES)) *

           ((double)sysconf(_SC_PAGESIZE) / GB));

 }

+#endif

 #undef get_sys_mem

 #define get_sys_mem get_mem_sysconf

 #endif /* defined(_WIN32) || defined(_WIN64) */