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# old cmake does not have ExternalProject file
IF(CMAKE_VERSION VERSION_LESS "2.8.6")
MACRO (CHECK_JEMALLOC)
ENDMACRO()
RETURN()
ENDIF()
INCLUDE(ExternalProject)
MACRO (USE_BUNDLED_JEMALLOC)
SET(SOURCE_DIR "${CMAKE_SOURCE_DIR}/extra/jemalloc")
SET(BINARY_DIR "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/extra/jemalloc/build")
SET(LIBJEMALLOC "libjemalloc")
SET(JEMALLOC_CONFIGURE_OPTS "CC=${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}" "--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()
IF(CMAKE_GENERATOR MATCHES "Makefiles")
SET(MAKE_COMMAND ${CMAKE_MAKE_PROGRAM})
ELSE() # Xcode/Ninja generators
SET(MAKE_COMMAND make)
ENDIF()
ExternalProject_Add(jemalloc
PREFIX extra/jemalloc
SOURCE_DIR ${SOURCE_DIR}
BINARY_DIR ${BINARY_DIR}
STAMP_DIR ${BINARY_DIR}
CONFIGURE_COMMAND "${SOURCE_DIR}/configure" ${JEMALLOC_CONFIGURE_OPTS}
BUILD_COMMAND ${MAKE_COMMAND} "build_lib_static"
INSTALL_COMMAND ""
)
ADD_LIBRARY(libjemalloc STATIC IMPORTED)
SET_TARGET_PROPERTIES(libjemalloc PROPERTIES IMPORTED_LOCATION "${BINARY_DIR}/lib/libjemalloc_pic.a")
ADD_DEPENDENCIES(libjemalloc jemalloc)
ENDMACRO()
IF(CMAKE_SYSTEM_NAME MATCHES "Linux" OR APPLE)
# Linux and OSX are the only systems where bundled jemalloc can be built without problems,
# as they both have GNU make and jemalloc actually compiles.
# Also, BSDs use jemalloc as malloc already
SET(WITH_JEMALLOC_DEFAULT "yes")
ELSE()
SET(WITH_JEMALLOC_DEFAULT "no")
ENDIF()
SET(WITH_JEMALLOC ${WITH_JEMALLOC_DEFAULT} CACHE STRING
"Which jemalloc to use (possible values are 'no', 'bundled', 'system', 'yes' (system if possible, otherwise bundled)")
MACRO (CHECK_JEMALLOC)
IF(WITH_JEMALLOC STREQUAL "system" OR WITH_JEMALLOC STREQUAL "yes")
CHECK_LIBRARY_EXISTS(jemalloc malloc_stats_print "" HAVE_JEMALLOC)
IF (HAVE_JEMALLOC)
SET(LIBJEMALLOC jemalloc)
ELSEIF (WITH_JEMALLOC STREQUAL "system")
MESSAGE(FATAL_ERROR "system jemalloc is not found")
ELSEIF (WITH_JEMALLOC STREQUAL "yes")
SET(trybundled 1)
ENDIF()
ENDIF()
IF(WITH_JEMALLOC STREQUAL "bundled" OR trybundled)
USE_BUNDLED_JEMALLOC()
ENDIF()
ENDMACRO()
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