start using jemalloc

.bzrignore

@@ -1148,3 +1148,5 @@ typescript
 mysql-test/collections/default.release.done
 sql/sql_yacc.hh
 packaging/solaris/postinstall-solaris
+extra/jemalloc/jemalloc-*
+extra/jemalloc/build

CMakeLists.txt

@@ -144,6 +144,7 @@ INCLUDE(ssl)
 INCLUDE(readline)
 INCLUDE(libutils)
 INCLUDE(dtrace)
+INCLUDE(jemalloc)
 INCLUDE(ctest)
 INCLUDE(plugin)
 INCLUDE(install_macros)
@@ -263,6 +264,8 @@ MYSQL_CHECK_SSL()
 # Add readline or libedit.
 MYSQL_CHECK_READLINE()
 
+CHECK_JEMALLOC()
+
 #
 # Setup maintainer mode options by the end. Platform checks are
 # not run with the warning options as to not perturb fragile checks

cmake/jemalloc.cmake

@@ -0,0 +1,33 @@
+INCLUDE(ExternalProject)
+
+MACRO (USE_BUNDLED_JEMALLOC)
+  SET(SOURCE_DIR "${CMAKE_SOURCE_DIR}/extra/jemalloc")
+  SET(BINARY_DIR "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/extra/jemalloc/build")
+  SET(LIBJEMALLOC "${BINARY_DIR}/lib/libjemalloc_pic.a")
+  SET(JEMALLOC_CONFIGURE_OPTS "CC=${CMAKE_C_COMPILER}" "--with-private-namespace=jemalloc_internal_" "--enable-cc-silence")
+  IF (CMAKE_BUILD_TYPE MATCHES "Debug" AND NOT APPLE) # see the comment in CMakeLists.txt
+    LIST(APPEND JEMALLOC_CONFIGURE_OPTS --enable-debug)
+  ENDIF()
+  ExternalProject_Add(jemalloc
+    PREFIX extra/jemalloc
+    SOURCE_DIR ${SOURCE_DIR}
+    BINARY_DIR ${BINARY_DIR}
+    STAMP_DIR  ${SOURCE_DIR}
+    CONFIGURE_COMMAND "${SOURCE_DIR}/configure" ${JEMALLOC_CONFIGURE_OPTS}
+    BUILD_COMMAND ${CMAKE_MAKE_PROGRAM} "build_lib_static"
+    INSTALL_COMMAND ""
+  )
+  ADD_LIBRARY(libjemalloc STATIC IMPORTED)
+  SET_TARGET_PROPERTIES(libjemalloc PROPERTIES IMPORTED_LOCATION ${LIBJEMALLOC})
+  ADD_DEPENDENCIES(libjemalloc jemalloc)
+ENDMACRO()
+
+SET(WITH_JEMALLOC "yes" CACHE STRING
+    "Which jemalloc to use (possible values are 'no', 'bundled', 'yes' (same as bundled)")
+#"Which jemalloc to use (possible values are 'no', 'bundled', 'system', 'yes' (system if possible, otherwise bundled)")
+
+MACRO (CHECK_JEMALLOC)
+  IF(WITH_JEMALLOC STREQUAL "bundled" OR WITH_JEMALLOC STREQUAL "yes")
+    USE_BUNDLED_JEMALLOC()
+  ENDIF()
+ENDMACRO()

sql/CMakeLists.txt

@@ -103,7 +103,7 @@ ADD_DEPENDENCIES(sql GenServerSource)
 DTRACE_INSTRUMENT(sql)
 TARGET_LINK_LIBRARIES(sql ${MYSQLD_STATIC_PLUGIN_LIBS} 
   mysys dbug strings vio regex
-  ${LIBWRAP} ${LIBCRYPT} ${LIBDL}
+  ${LIBWRAP} ${LIBCRYPT} ${LIBDL} ${LIBJEMALLOC} ${CMAKE_THREAD_LIBS_INIT}
   ${SSL_LIBRARIES})
 
 IF(WIN32)