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#build TBB for Android from source
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if(NOT ANDROID)
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message(FATAL_ERROR "The script is designed for Android only!")
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endif()
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project(tbb)
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# 4.0 update 3 - build broken
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#set(tbb_ver "tbb40_20120201oss")
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#set(tbb_url "http://threadingbuildingblocks.org/uploads/77/182/4.0%20update%203/tbb40_20120201oss_src.tgz")
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#set(tbb_md5 "4669e7d4adee018de7a7b8b972987218")
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# 4.0 update 2 - works fine
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set(tbb_ver "tbb40_20111130oss")
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set(tbb_url "http://threadingbuildingblocks.org/uploads/77/180/4.0%20update%202/tbb40_20111130oss_src.tgz")
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set(tbb_md5 "1e6926b21e865e79772119cd44fc3ad8")
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# 4.0 update 1 - works fine
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#set(tbb_ver "tbb40_20111003oss")
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#set(tbb_url "http://threadingbuildingblocks.org/uploads/77/177/4.0%20update%201/tbb40_20111003oss_src.tgz")
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#set(tbb_md5 "7b5d94eb35a563b29ef402e0fd8f15c9")
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set(tbb_tarball "${CMAKE_CURRENT_SOURCE_DIR}/${tbb_ver}_src.tgz")
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set(tbb_src_dir "${CMAKE_CURRENT_BINARY_DIR}/${tbb_ver}")
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macro(getMD5 filename varname)
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if(CMAKE_VERSION VERSION_GREATER 2.8.6)
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file(MD5 "${filename}" ${varname})
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else()
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execute_process(COMMAND ${CMAKE_COMMAND} -E md5sum "${filename}"
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RESULT_VARIABLE getMD5_RESULT
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OUTPUT_VARIABLE getMD5_OUTPUT
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(getMD5_RESULT EQUAL 0)
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string(REGEX MATCH "^[a-z0-9]+" ${varname} "${getMD5_OUTPUT}")
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else()
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set(${varname} "invalid_md5")
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endif()
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endif()
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endmacro()
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if(EXISTS "${tbb_tarball}")
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getMD5("${tbb_tarball}" tbb_local_md5)
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if(NOT tbb_local_md5 STREQUAL tbb_md5)
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message(WARNING "Local copy of TBB source tarball has invalid MD5 hash: ${tbb_local_md5} (expected: ${tbb_md5})")
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file(REMOVE "${tbb_tarball}")
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if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/${tbb_ver}")
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file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/${tbb_ver}")
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endif()
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endif()
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endif()
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if(NOT EXISTS "${tbb_tarball}")
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message(STATUS "Downloading ${tbb_ver}_src.tgz")
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file(DOWNLOAD "${tbb_url}" "${tbb_tarball}" TIMEOUT 600 STATUS __statvar)
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if(NOT __statvar EQUAL 0)
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message(FATAL_ERROR "Failed to download TBB sources: ${tbb_url}")
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endif()
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getMD5("${tbb_tarball}" tbb_local_md5)
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if(NOT tbb_local_md5 STREQUAL tbb_md5)
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file(REMOVE "${tbb_tarball}")
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message(FATAL_ERROR "Downloaded TBB source tarball has invalid MD5 hash: ${tbb_local_md5} (expected: ${tbb_md5})")
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endif()
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if(EXISTS "${tbb_src_dir}")
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file(REMOVE_RECURSE "${tbb_src_dir}")
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endif()
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endif()
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# untar TBB sources
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if(NOT EXISTS "${tbb_src_dir}")
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message(STATUS "Unpacking ${tbb_ver}_src.tgz to ${tbb_src_dir}")
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar xz "${tbb_tarball}"
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WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
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RESULT_VARIABLE tbb_untar_RESULT)
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if(NOT tbb_untar_RESULT EQUAL 0 OR NOT EXISTS "${tbb_src_dir}")
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message(FATAL_ERROR "Failed to unpack TBB sources")
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endif()
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endif()
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set(TBB_INCLUDE_DIRS "${tbb_src_dir}/include" PARENT_SCOPE)
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ocv_include_directories("${tbb_src_dir}/include"
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"${tbb_src_dir}/src/"
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"${tbb_src_dir}/src/rml/include"
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"${CMAKE_CURRENT_SOURCE_DIR}")
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file(GLOB lib_srcs "${tbb_src_dir}/src/tbb/*.cpp")
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file(GLOB lib_hdrs "${tbb_src_dir}/src/tbb/*.h")
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list(APPEND lib_srcs "${tbb_src_dir}/src/rml/client/rml_tbb.cpp")
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add_definitions(-D__TBB_DYNAMIC_LOAD_ENABLED=0 #required
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-D__TBB_BUILD=1 #required
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-D__TBB_SURVIVE_THREAD_SWITCH=0 #no cilk on Android
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-D__TBB_USE_GENERIC_DWORD_LOAD_STORE=1 #needed by TBB 4.0 update 1,2; fixed in TBB 4.0 update 3 but it has 2 new problems
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-DUSE_PTHREAD #required
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-DTBB_USE_GCC_BUILTINS=1 #required
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-DTBB_USE_DEBUG=0 #just ot be sure
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-DTBB_NO_LEGACY=1 #don't need backward compatibility
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-DDO_ITT_NOTIFY=0 #it seems that we don't need these notifications
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)
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add_library(tbb STATIC ${lib_srcs} ${lib_hdrs} "${CMAKE_CURRENT_SOURCE_DIR}/android_additional.h" "${CMAKE_CURRENT_SOURCE_DIR}/version_string.tmp")
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target_link_libraries(tbb c m dl)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -include \"${CMAKE_CURRENT_SOURCE_DIR}/android_additional.h\"")
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set_target_properties(tbb
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PROPERTIES OUTPUT_NAME tbb
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DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
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ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/3rdparty/${OPENCV_LIB_INSTALL_PATH}"
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)
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if(ENABLE_SOLUTION_FOLDERS)
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set_target_properties(tbb PROPERTIES FOLDER "3rdparty")
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endif()
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if(NOT BUILD_SHARED_LIBS)
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install(TARGETS tbb ARCHIVE DESTINATION share/OpenCV/3rdparty/${OPENCV_LIB_INSTALL_PATH} COMPONENT main)
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endif()
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