MDEV-11059 don't build the server with jemalloc

don't build the server with jemalloc.
only build tokudb with it.
move tokudb into a separate package, because it brings a new dependency

CMakeLists.txt

@@ -154,7 +154,6 @@ INCLUDE(ssl)
 INCLUDE(readline)
 INCLUDE(libutils)
 INCLUDE(dtrace)
-INCLUDE(jemalloc)
 INCLUDE(pcre)
 INCLUDE(ctest)
 INCLUDE(plugin)
@@ -313,7 +312,7 @@ IF(NOT HAVE_CXX_NEW)
 ENDIF()
 
 # Find header files from the bundled libraries
-# (jemalloc, yassl, readline, pcre, etc)
+# (yassl, readline, pcre, etc)
 # before the ones installed in the system
 SET(CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON)
 
@@ -329,7 +328,6 @@ MYSQL_CHECK_SSL()
 MYSQL_CHECK_READLINE()
 
 SET(MALLOC_LIBRARY "system")
-CHECK_JEMALLOC()
 
 CHECK_PCRE()
 

include/my_global.h

@@ -1071,6 +1071,7 @@ typedef ulong		myf;	/* Type of MyFlags in my_funcs */
 #ifdef _WIN32
 #define dlsym(lib, name) (void*)GetProcAddress((HMODULE)lib, name)
 #define dlopen(libname, unused) LoadLibraryEx(libname, NULL, 0)
+#define RTLD_DEFAULT GetModuleHandle(NULL)
 #define dlclose(lib) FreeLibrary((HMODULE)lib)
 static inline char *dlerror(void)
 {

sql/CMakeLists.txt

@@ -170,7 +170,7 @@ ADD_DEPENDENCIES(sql GenServerSource)
 ADD_DEPENDENCIES(sql GenDigestServerSource)
 DTRACE_INSTRUMENT(sql)
 TARGET_LINK_LIBRARIES(sql ${MYSQLD_STATIC_PLUGIN_LIBS} 
-  mysys mysys_ssl dbug strings vio pcre ${LIBJEMALLOC}
+  mysys mysys_ssl dbug strings vio pcre
   ${LIBWRAP} ${LIBCRYPT} ${LIBDL} ${CMAKE_THREAD_LIBS_INIT}
   ${WSREP_LIB}
   ${SSL_LIBRARIES}

sql/sys_vars.cc

@@ -3489,11 +3489,32 @@ static Sys_var_charptr Sys_version_compile_os(
        CMD_LINE_HELP_ONLY,
        IN_SYSTEM_CHARSET, DEFAULT(SYSTEM_TYPE));
 
+static char *guess_malloc_library()
+{
+  if (strcmp(MALLOC_LIBRARY, "system") == 0)
+  {
+#ifdef HAVE_DLOPEN
+    typedef int (*mallctl_type)(const char*, void*, size_t*, void*, size_t);
+    mallctl_type mallctl_func;
+    mallctl_func= (mallctl_type)dlsym(RTLD_DEFAULT, "mallctl");
+    if (mallctl_func)
+    {
+      static char buf[128];
+      char *ver;
+      size_t len = sizeof(ver);
+      mallctl_func("version", &ver, &len, NULL, 0);
+      strxnmov(buf, sizeof(buf)-1, "jemalloc ", ver, NULL);
+      return buf;
+    }
+#endif
+  }
+  return const_cast<char*>(MALLOC_LIBRARY);
+}
 static char *malloc_library;
 static Sys_var_charptr Sys_malloc_library(
        "version_malloc_library", "Version of the used malloc library",
        READ_ONLY GLOBAL_VAR(malloc_library), CMD_LINE_HELP_ONLY,
-       IN_SYSTEM_CHARSET, DEFAULT(MALLOC_LIBRARY));
+       IN_SYSTEM_CHARSET, DEFAULT(guess_malloc_library()));
 
 #ifdef HAVE_YASSL
 #include <openssl/ssl.h>

storage/tokudb/CMakeLists.txt

@@ -22,12 +22,16 @@ SET(TOKUDB_SOURCES
     tokudb_information_schema.cc
     tokudb_sysvars.cc
     tokudb_thread.cc)
-MYSQL_ADD_PLUGIN(tokudb ${TOKUDB_SOURCES} STORAGE_ENGINE MODULE_ONLY)
+MYSQL_ADD_PLUGIN(tokudb ${TOKUDB_SOURCES} STORAGE_ENGINE MODULE_ONLY
+                 COMPONENT tokudb-engine)
 
 IF(NOT TARGET tokudb)
   RETURN()
 ENDIF()
 
+INCLUDE(jemalloc)
+CHECK_JEMALLOC()
+
 IF(NOT LIBJEMALLOC)
   MESSAGE(WARNING "TokuDB is enabled, but jemalloc is not. This configuration is not supported")
 ENDIF()
@@ -102,14 +106,12 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/${TOKU_FT_DIR_NAME}/buildheader)
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/${TOKU_FT_DIR_NAME}/portability)
 
 TARGET_LINK_LIBRARIES(tokudb tokufractaltree_static tokuportability_static
-                      ${ZLIB_LIBRARY} stdc++)
+                      ${ZLIB_LIBRARY} ${LIBJEMALLOC} stdc++)
 
 SET(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} -flto -fuse-linker-plugin")
 SET(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO} -flto -fuse-linker-plugin")
 
-SET(CPACK_RPM_server_PACKAGE_OBSOLETES
-  "${CPACK_RPM_server_PACKAGE_OBSOLETES} MariaDB-tokudb-engine < 10.0.5" PARENT_SCOPE)
-
 IF (INSTALL_SYSCONF2DIR)
-  INSTALL(FILES tokudb.cnf DESTINATION ${INSTALL_SYSCONF2DIR} COMPONENT Server)
+  INSTALL(FILES tokudb.cnf DESTINATION ${INSTALL_SYSCONF2DIR}
+          COMPONENT tokudb-engine)
 ENDIF(INSTALL_SYSCONF2DIR)

storage/tokudb/PerconaFT/tools/CMakeLists.txt

@@ -12,5 +12,5 @@ endforeach(tool)
 # link in math.h library just for this tool.
 target_link_libraries(ftverify m)
 
-install(TARGETS tokuftdump      DESTINATION ${INSTALL_BINDIR} COMPONENT Server)
-install(TARGETS tokuft_logprint DESTINATION ${INSTALL_BINDIR} COMPONENT Server)
+install(TARGETS tokuftdump      DESTINATION ${INSTALL_BINDIR} COMPONENT tokudb-engine)
+install(TARGETS tokuft_logprint DESTINATION ${INSTALL_BINDIR} COMPONENT tokudb-engine)

storage/tokudb/tokudb.cnf

 [mariadb]
-# See https://mariadb.com/kb/en/how-to-enable-tokudb-in-mariadb/
-# for instructions how to enable TokuDB
-#
 # See https://mariadb.com/kb/en/tokudb-differences/ for differences
 # between TokuDB in MariaDB and TokuDB from http://www.tokutek.com/
 
-#plugin-load-add=ha_tokudb.so
+plugin-load-add=ha_tokudb.so