cmake_minimum_required(VERSION 3.0) project(libmimalloc C CXX) set(CMAKE_C_STANDARD 11) set(CMAKE_CXX_STANDARD 17) option(MI_SECURE "Use full security mitigations (like guard pages, allocation randomization, double-free mitigation, and free-list corruption detection)" OFF) option(MI_DEBUG_FULL "Use full internal heap invariant checking in DEBUG mode (expensive)" OFF) option(MI_PADDING "Enable padding to detect heap block overflow (used only in DEBUG mode)" ON) option(MI_OVERRIDE "Override the standard malloc interface (e.g. define entry points for malloc() etc)" ON) option(MI_XMALLOC "Enable abort() call on memory allocation failure by default" OFF) option(MI_SHOW_ERRORS "Show error and warning messages by default (only enabled by default in DEBUG mode)" OFF) option(MI_USE_CXX "Use the C++ compiler to compile the library (instead of the C compiler)" OFF) option(MI_SEE_ASM "Generate assembly files" OFF) option(MI_INTERPOSE "Use interpose to override standard malloc on macOS" ON) option(MI_OSX_ZONE "Use malloc zone to override standard malloc on macOS" OFF) # enables interpose as well option(MI_LOCAL_DYNAMIC_TLS "Use slightly slower, dlopen-compatible TLS mechanism (Unix)" OFF) option(MI_BUILD_SHARED "Build shared library" ON) option(MI_BUILD_STATIC "Build static library" ON) option(MI_BUILD_OBJECT "Build object library" ON) option(MI_BUILD_TESTS "Build test executables" ON) option(MI_DEBUG_TSAN "Build with thread sanitizer (needs clang)" OFF) option(MI_DEBUG_UBSAN "Build with undefined-behavior sanitizer (needs clang++)" OFF) option(MI_CHECK_FULL "Use full internal invariant checking in DEBUG mode (deprecated, use MI_DEBUG_FULL instead)" OFF) include("cmake/mimalloc-config-version.cmake") set(mi_sources src/stats.c src/random.c src/os.c src/arena.c src/region.c src/segment.c src/page.c src/alloc.c src/alloc-aligned.c src/alloc-posix.c src/heap.c src/options.c src/init.c) # ----------------------------------------------------------------------------- # Converience: set default build type depending on the build directory # ----------------------------------------------------------------------------- if (NOT CMAKE_BUILD_TYPE) if ("${CMAKE_BINARY_DIR}" MATCHES ".*(D|d)ebug$" OR MI_DEBUG_FULL MATCHES "ON") message(STATUS "No build type selected, default to: Debug") set(CMAKE_BUILD_TYPE "Debug") else() message(STATUS "No build type selected, default to: Release") set(CMAKE_BUILD_TYPE "Release") endif() endif() if("${CMAKE_BINARY_DIR}" MATCHES ".*(S|s)ecure$") message(STATUS "Default to secure build") set(MI_SECURE "ON") endif() # ----------------------------------------------------------------------------- # Process options # ----------------------------------------------------------------------------- if(CMAKE_C_COMPILER_ID MATCHES "MSVC|Intel") set(MI_USE_CXX "ON") endif() if(MI_OVERRIDE MATCHES "ON") message(STATUS "Override standard malloc (MI_OVERRIDE=ON)") if(APPLE) if(MI_OSX_ZONE MATCHES "ON") # use zone's on macOS message(STATUS " Use malloc zone to override malloc (MI_OSX_ZONE=ON)") list(APPEND mi_sources src/alloc-override-osx.c) list(APPEND mi_defines MI_OSX_ZONE=1) if(NOT MI_INTERPOSE MATCHES "ON") message(STATUS " (enabling INTERPOSE as well since zone's require this)") set(MI_INTERPOSE "ON") endif() endif() if(MI_INTERPOSE MATCHES "ON") # use interpose on macOS message(STATUS " Use interpose to override malloc (MI_INTERPOSE=ON)") list(APPEND mi_defines MI_INTERPOSE) endif() endif() endif() if(MI_SECURE MATCHES "ON") message(STATUS "Set full secure build (MI_SECURE=ON)") list(APPEND mi_defines MI_SECURE=4) endif() if(MI_SEE_ASM MATCHES "ON") message(STATUS "Generate assembly listings (MI_SEE_ASM=ON)") list(APPEND mi_cflags -save-temps) endif() if(MI_CHECK_FULL MATCHES "ON") message(STATUS "The MI_CHECK_FULL option is deprecated, use MI_DEBUG_FULL instead") set(MI_DEBUG_FULL "ON") endif() if(MI_DEBUG_FULL MATCHES "ON") message(STATUS "Set debug level to full internal invariant checking (MI_DEBUG_FULL=ON)") list(APPEND mi_defines MI_DEBUG=3) # full invariant checking endif() if(MI_PADDING MATCHES "OFF") message(STATUS "Disable padding of heap blocks in debug mode (MI_PADDING=OFF)") list(APPEND mi_defines MI_PADDING=0) endif() if(MI_XMALLOC MATCHES "ON") message(STATUS "Enable abort() calls on memory allocation failure (MI_XMALLOC=ON)") list(APPEND mi_defines MI_XMALLOC=1) endif() if(MI_SHOW_ERRORS MATCHES "ON") message(STATUS "Enable printing of error and warning messages by default (MI_SHOW_ERRORS=ON)") list(APPEND mi_defines MI_SHOW_ERRORS=1) endif() if(MI_DEBUG_TSAN MATCHES "ON") if(CMAKE_C_COMPILER_ID MATCHES "Clang") message(STATUS "Build with thread sanitizer (MI_DEBUG_TSAN=ON)") list(APPEND mi_defines MI_TSAN=1) list(APPEND mi_cflags -fsanitize=thread -g -O1) list(APPEND CMAKE_EXE_LINKER_FLAGS -fsanitize=thread) else() message(WARNING "Can only use thread sanitizer with clang (MI_DEBUG_TSAN=ON but ignored)") endif() endif() if(MI_DEBUG_UBSAN MATCHES "ON") if(CMAKE_BUILD_TYPE MATCHES "Debug") if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") message(STATUS "Build with undefined-behavior sanitizer (MI_DEBUG_UBSAN=ON)") list(APPEND mi_cflags -fsanitize=undefined -g) list(APPEND CMAKE_EXE_LINKER_FLAGS -fsanitize=undefined) if (MI_USE_CXX MATCHES "OFF") message(STATUS "(switch to use C++ due to MI_DEBUG_UBSAN)") set(MI_USE_CXX "ON") endif() else() message(WARNING "Can only use undefined-behavior sanitizer with clang++ (MI_DEBUG_UBSAN=ON but ignored)") endif() else() message(WARNING "Can only use thread sanitizer with a debug build (CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE})") endif() endif() if(MI_USE_CXX MATCHES "ON") message(STATUS "Use the C++ compiler to compile (MI_USE_CXX=ON)") set_source_files_properties(${mi_sources} PROPERTIES LANGUAGE CXX ) set_source_files_properties(src/static.c test/test-api.c test/test-stress PROPERTIES LANGUAGE CXX ) if(CMAKE_CXX_COMPILER_ID MATCHES "AppleClang|Clang") list(APPEND mi_cflags -Wno-deprecated) endif() if(CMAKE_CXX_COMPILER_ID MATCHES "Intel") list(APPEND mi_cflags -Kc++) endif() endif() # Compiler flags if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU") list(APPEND mi_cflags -Wall -Wextra -Wno-unknown-pragmas -fvisibility=hidden) if(CMAKE_C_COMPILER_ID MATCHES "GNU") list(APPEND mi_cflags -Wno-invalid-memory-model) endif() endif() if(CMAKE_C_COMPILER_ID MATCHES "Intel") list(APPEND mi_cflags -Wall -fvisibility=hidden) endif() if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM_NAME MATCHES "Haiku") if(MI_LOCAL_DYNAMIC_TLS MATCHES "ON") list(APPEND mi_cflags -ftls-model=local-dynamic) else() list(APPEND mi_cflags -ftls-model=initial-exec) endif() endif() # Architecture flags if(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm") list(APPEND mi_cflags -march=native) endif() # extra needed libraries if(WIN32) list(APPEND mi_libraries psapi shell32 user32 advapi32) else() if(NOT ${CMAKE_C_COMPILER} MATCHES "android") list(APPEND mi_libraries pthread) find_library(LIBRT rt) if(LIBRT) list(APPEND mi_libraries ${LIBRT}) endif() endif() endif() # ----------------------------------------------------------------------------- # Install and output names # ----------------------------------------------------------------------------- set(mi_install_dir "${CMAKE_INSTALL_PREFIX}/lib/mimalloc-${mi_version}") if(MI_SECURE MATCHES "ON") set(mi_basename "mimalloc-secure") else() set(mi_basename "mimalloc") endif() string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LC) if(NOT(CMAKE_BUILD_TYPE_LC MATCHES "^(release|relwithdebinfo|minsizerel)$")) set(mi_basename "${mi_basename}-${CMAKE_BUILD_TYPE_LC}") #append build type (e.g. -debug) if not a release version endif() if(MI_BUILD_SHARED) list(APPEND mi_build_targets "shared") endif() if(MI_BUILD_STATIC) list(APPEND mi_build_targets "static") endif() if(MI_BUILD_OBJECT) list(APPEND mi_build_targets "object") endif() if(MI_BUILD_TESTS) list(APPEND mi_build_targets "tests") endif() message(STATUS "") message(STATUS "Library base name: ${mi_basename}") message(STATUS "Build type : ${CMAKE_BUILD_TYPE_LC}") if(MI_USE_CXX MATCHES "ON") message(STATUS "Compiler : ${CMAKE_CXX_COMPILER}") else() message(STATUS "Compiler : ${CMAKE_C_COMPILER}") endif() message(STATUS "Install directory: ${mi_install_dir}") message(STATUS "Build targets : ${mi_build_targets}") message(STATUS "") # ----------------------------------------------------------------------------- # Main targets # ----------------------------------------------------------------------------- # shared library if(MI_BUILD_SHARED) add_library(mimalloc SHARED ${mi_sources}) set_target_properties(mimalloc PROPERTIES VERSION ${mi_version} OUTPUT_NAME ${mi_basename} ) target_compile_definitions(mimalloc PRIVATE ${mi_defines} MI_SHARED_LIB MI_SHARED_LIB_EXPORT) target_compile_options(mimalloc PRIVATE ${mi_cflags}) target_link_libraries(mimalloc PUBLIC ${mi_libraries}) target_include_directories(mimalloc PUBLIC $ $ ) if(WIN32) # On windows copy the mimalloc redirection dll too. target_link_libraries(mimalloc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/bin/mimalloc-redirect.lib) add_custom_command(TARGET mimalloc POST_BUILD COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_CURRENT_SOURCE_DIR}/bin/mimalloc-redirect.dll" $ COMMENT "Copy mimalloc-redirect.dll to output directory") endif() install(TARGETS mimalloc EXPORT mimalloc DESTINATION ${mi_install_dir} LIBRARY) install(EXPORT mimalloc DESTINATION ${mi_install_dir}/cmake) endif() # static library if (MI_BUILD_STATIC) add_library(mimalloc-static STATIC ${mi_sources}) set_property(TARGET mimalloc-static PROPERTY POSITION_INDEPENDENT_CODE ON) target_compile_definitions(mimalloc-static PRIVATE ${mi_defines} MI_STATIC_LIB) target_compile_options(mimalloc-static PRIVATE ${mi_cflags}) target_link_libraries(mimalloc-static PUBLIC ${mi_libraries}) target_include_directories(mimalloc-static PUBLIC $ $ ) if(WIN32) # When building both static and shared libraries on Windows, a static library should use a # different output name to avoid the conflict with the import library of a shared one. string(REPLACE "mimalloc" "mimalloc-static" mi_output_name ${mi_basename}) set_target_properties(mimalloc-static PROPERTIES OUTPUT_NAME ${mi_output_name}) else() set_target_properties(mimalloc-static PROPERTIES OUTPUT_NAME ${mi_basename}) endif() install(TARGETS mimalloc-static EXPORT mimalloc DESTINATION ${mi_install_dir}) endif() # install include files install(FILES include/mimalloc.h DESTINATION ${mi_install_dir}/include) install(FILES include/mimalloc-override.h DESTINATION ${mi_install_dir}/include) install(FILES include/mimalloc-new-delete.h DESTINATION ${mi_install_dir}/include) install(FILES cmake/mimalloc-config.cmake DESTINATION ${mi_install_dir}/cmake) install(FILES cmake/mimalloc-config-version.cmake DESTINATION ${mi_install_dir}/cmake) if(NOT WIN32 AND MI_BUILD_SHARED) # install a symlink in the /usr/local/lib to the versioned library set(mi_symlink "${CMAKE_SHARED_MODULE_PREFIX}${mi_basename}${CMAKE_SHARED_LIBRARY_SUFFIX}") set(mi_soname "mimalloc-${mi_version}/${mi_symlink}.${mi_version}") install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${mi_soname} ${mi_symlink} WORKING_DIRECTORY ${mi_install_dir}/..)") install(CODE "MESSAGE(\"-- Symbolic link: ${CMAKE_INSTALL_PREFIX}/lib/${mi_symlink} -> ${mi_soname}\")") endif() # single object file for more predictable static overriding if (MI_BUILD_OBJECT) add_library(mimalloc-obj OBJECT src/static.c) set_property(TARGET mimalloc-obj PROPERTY POSITION_INDEPENDENT_CODE ON) target_compile_definitions(mimalloc-obj PRIVATE ${mi_defines}) target_compile_options(mimalloc-obj PRIVATE ${mi_cflags}) target_include_directories(mimalloc-obj PUBLIC $ $ ) # the following seems to lead to cmake warnings/errors on some systems, disable for now :-( # install(TARGETS mimalloc-obj EXPORT mimalloc DESTINATION ${mi_install_dir}) # the FILES expression can also be: $ # but that fails cmake versions less than 3.10 so we leave it as is for now install(FILES ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/mimalloc-obj.dir/src/static.c${CMAKE_C_OUTPUT_EXTENSION} DESTINATION ${mi_install_dir} RENAME ${mi_basename}${CMAKE_C_OUTPUT_EXTENSION} ) endif() # ----------------------------------------------------------------------------- # API surface testing # ----------------------------------------------------------------------------- if (MI_BUILD_TESTS MATCHES "ON") add_executable(mimalloc-test-api test/test-api.c) target_compile_definitions(mimalloc-test-api PRIVATE ${mi_defines}) target_compile_options(mimalloc-test-api PRIVATE ${mi_cflags}) target_include_directories(mimalloc-test-api PRIVATE include) target_link_libraries(mimalloc-test-api PRIVATE mimalloc-static ${mi_libraries}) add_executable(mimalloc-test-stress test/test-stress.c) target_compile_definitions(mimalloc-test-stress PRIVATE ${mi_defines}) target_compile_options(mimalloc-test-stress PRIVATE ${mi_cflags}) target_include_directories(mimalloc-test-stress PRIVATE include) target_link_libraries(mimalloc-test-stress PRIVATE mimalloc ${mi_libraries}) enable_testing() add_test(test_api, mimalloc-test-api) add_test(test_stress, mimalloc-test-stress) endif() # ----------------------------------------------------------------------------- # Set override properties # ----------------------------------------------------------------------------- if (MI_OVERRIDE MATCHES "ON") if (MI_BUILD_SHARED) target_compile_definitions(mimalloc PRIVATE MI_MALLOC_OVERRIDE) endif() if(NOT WIN32) # It is only possible to override malloc on Windows when building as a DLL. if (MI_BUILD_STATIC) target_compile_definitions(mimalloc-static PRIVATE MI_MALLOC_OVERRIDE) endif() if (MI_BUILD_OBJECT) target_compile_definitions(mimalloc-obj PRIVATE MI_MALLOC_OVERRIDE) endif() endif() endif()