#Cross compile TBB from source project(tbb CXX) if (WIN32 AND NOT ARM) message(FATAL_ERROR "BUILD_TBB option supports Windows on ARM only!\nUse regular official TBB build instead of the BUILD_TBB option!") endif() ocv_update(OPENCV_TBB_RELEASE "v2020.2") ocv_update(OPENCV_TBB_RELEASE_MD5 "5af6f6c2a24c2043e62e47205e273b1f") ocv_update(OPENCV_TBB_FILENAME "${OPENCV_TBB_RELEASE}.tar.gz") string(REGEX REPLACE "^v" "" OPENCV_TBB_RELEASE_ "${OPENCV_TBB_RELEASE}") #ocv_update(OPENCV_TBB_SUBDIR ...) set(tbb_src_dir "${OpenCV_BINARY_DIR}/3rdparty/tbb") ocv_download(FILENAME ${OPENCV_TBB_FILENAME} HASH ${OPENCV_TBB_RELEASE_MD5} URL "${OPENCV_TBB_URL}" "$ENV{OPENCV_TBB_URL}" "https://github.com/01org/tbb/archive/" DESTINATION_DIR ${tbb_src_dir} ID TBB STATUS res UNPACK RELATIVE_URL) if(NOT res) return() endif() if(OPENCV_TBB_SUBDIR) # use current value ocv_assert(EXISTS "${tbb_src_dir}/${OPENCV_TBB_SUBDIR}") elseif(EXISTS "${tbb_src_dir}/oneTBB-${OPENCV_TBB_RELEASE_}") set(OPENCV_TBB_SUBDIR "oneTBB-${OPENCV_TBB_RELEASE_}") elseif(EXISTS "${tbb_src_dir}/tbb-${OPENCV_TBB_RELEASE_}") set(OPENCV_TBB_SUBDIR "oneTBB-${OPENCV_TBB_RELEASE_}") else() message(FATAL_ERROR "TBB: Can't configure TBB. Specify OPENCV_TBB_SUBDIR through command-line.") endif() set(tbb_src_dir "${tbb_src_dir}/${OPENCV_TBB_SUBDIR}") ocv_include_directories("${tbb_src_dir}/include" "${tbb_src_dir}/src/" "${tbb_src_dir}/src/rml/include" "${CMAKE_CURRENT_SOURCE_DIR}") file(GLOB lib_srcs "${tbb_src_dir}/src/tbb/*.cpp") file(GLOB lib_hdrs "${tbb_src_dir}/src/tbb/*.h") list(APPEND lib_srcs "${tbb_src_dir}/src/rml/client/rml_tbb.cpp") ocv_list_filterout(lib_srcs "${tbb_src_dir}/src/tbb/tbbbind.cpp") # hwloc.h requirement ocv_list_filterout(lib_srcs "${tbb_src_dir}/src/tbb/tbb_bind.cpp") # hwloc.h requirement 2020.1+ if (WIN32) add_definitions(/D__TBB_DYNAMIC_LOAD_ENABLED=0 /D__TBB_BUILD=1 /DTBB_NO_LEGACY=1 /D_UNICODE /DUNICODE /DWINAPI_FAMILY=WINAPI_FAMILY_APP /DDO_ITT_NOTIFY=0 /DUSE_WINTHREAD ) # defines were copied from windows.cl.inc if (ARM) add_definitions(/D_WIN32_WINNT=0x0602 /D__TBB_WIN32_USE_CL_BUILTINS ) endif() set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} /APPCONTAINER") else() add_definitions(-D__TBB_DYNAMIC_LOAD_ENABLED=0 #required -D__TBB_WEAK_SYMBOLS_PRESENT=0 #required for 4.3 -D__TBB_BUILD=1 #required -D__TBB_SURVIVE_THREAD_SWITCH=0 #no cilk support -DTBB_USE_DEBUG=0 #just to be sure -DTBB_NO_LEGACY=1 #don't need backward compatibility -DDO_ITT_NOTIFY=0 #it seems that we don't need these notifications ) endif() if(HAVE_PTHREAD) add_definitions(-DUSE_PTHREAD) #required for Unix endif() if(CV_GCC) add_definitions(-DTBB_USE_GCC_BUILTINS=1) #required for ARM GCC if(NOT CMAKE_CXX_COMPILER_VERSION LESS 6.0) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flifetime-dse=1") # workaround for GCC 6.x endif() endif() if(ANDROID_COMPILER_IS_CLANG) add_definitions(-D__TBB_GCC_BUILTIN_ATOMICS_PRESENT=1) endif() ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4702 -Wshadow -Wunused-parameter -Wclass-memaccess # TBB 2018 under GCC 8+ -Wimplicit-fallthrough # TBB 2018 under GCC 7+ -Wmissing-prototypes # MacOSX, Android/Clang -Wundef -Wmissing-declarations # TBB 2019 ) set(TBB_SOURCE_FILES ${lib_srcs} ${lib_hdrs}) set(tbb_version_file "version_string.ver") configure_file("${CMAKE_CURRENT_SOURCE_DIR}/${tbb_version_file}.cmakein" "${CMAKE_CURRENT_BINARY_DIR}/${tbb_version_file}" @ONLY) list(APPEND TBB_SOURCE_FILES "${CMAKE_CURRENT_BINARY_DIR}/${tbb_version_file}") add_library(tbb ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${TBB_SOURCE_FILES}) target_compile_definitions(tbb PUBLIC TBB_USE_GCC_BUILTINS=1 __TBB_GCC_BUILTIN_ATOMICS_PRESENT=1 TBB_SUPPRESS_DEPRECATED_MESSAGES=1 ) target_include_directories(tbb SYSTEM PUBLIC $<BUILD_INTERFACE:${tbb_src_dir}/include> PRIVATE "${CMAKE_CURRENT_BINARY_DIR}" ) if (WIN32) if (ARM) set(platform_macro /D_M_ARM=1) endif() add_custom_command(TARGET tbb PRE_BUILD COMMAND ${CMAKE_C_COMPILER} /nologo /TC /EP ${tbb_src_dir}\\src\\tbb\\win32-tbb-export.def /DTBB_NO_LEGACY=1 /D_CRT_SECURE_NO_DEPRECATE /D__TBB_BUILD=1 ${platform_macro} /I${tbb_src_dir}\\src /I${tbb_src_dir}\\include > "${tbb_src_dir}\\src\\tbb\\tbb.def" WORKING_DIRECTORY ${tbb_src_dir}\\src\\tbb COMMENT "Generating tbb.def file" VERBATIM ) set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /DEF:${tbb_src_dir}/src/tbb/tbb.def /DLL /MAP /fixed:no /INCREMENTAL:NO") else() target_link_libraries(tbb c m dl) endif() # filter out flags that are not handled well by the TBB code foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG) string(REPLACE "-Werror=non-virtual-dtor" "" ${var} "${${var}}") string(REPLACE "-fvisibility=hidden" "" ${var} "${${var}}") string(REPLACE "-fvisibility-inlines-hidden" "" ${var} "${${var}}") endforeach() if (WIN32) set(tbb_debug_postfix "_debug") # to fit pragmas in _windef.h inside TBB else() set(tbb_debug_postfix ${OPENCV_DEBUG_POSTFIX}) endif() set_target_properties(tbb PROPERTIES OUTPUT_NAME tbb DEBUG_POSTFIX "${tbb_debug_postfix}" COMPILE_PDB_NAME tbb COMPILE_PDB_NAME_DEBUG "tbb${OPENCV_DEBUG_POSTFIX}" ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH} RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH} ) if(ENABLE_SOLUTION_FOLDERS) set_target_properties(tbb PROPERTIES FOLDER "3rdparty") endif() ocv_install_target(tbb EXPORT OpenCVModules RUNTIME DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT libs LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT libs ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL ) ocv_install_3rdparty_licenses(tbb "${tbb_src_dir}/LICENSE" "${tbb_src_dir}/README") ocv_tbb_read_version("${tbb_src_dir}/include" tbb)