116 lines
3.9 KiB
CMake
116 lines
3.9 KiB
CMake
# Search TBB library (4.1 - 4.4, 2017)
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#
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# Own TBB (3rdparty/tbb):
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# - set cmake option BUILD_TBB to ON
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#
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# External TBB (from system):
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# - Fedora: install 'tbb-devel' package
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# - Ubuntu: install 'libtbb-dev' package
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#
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# External TBB (from official site):
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# - Linux/OSX:
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# - in tbbvars.sh replace 'SUBSTITUTE_INSTALL_DIR_HERE' with absolute path to TBB dir
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# - in terminal run 'source tbbvars.sh intel64 linux' ('source tbbvars.sh' in OSX)
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# - Windows:
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# - in terminal run 'tbbvars.bat intel64 vs2015'
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#
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# Return:
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# - HAVE_TBB set to TRUE
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# - "tbb" target exists and added to OPENCV_LINKER_LIBS
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function(ocv_tbb_cmake_guess _found)
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find_package(TBB QUIET COMPONENTS tbb PATHS "$ENV{TBBROOT}/cmake")
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if(TBB_FOUND)
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if(NOT TARGET TBB::tbb)
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message(WARNING "No TBB::tbb target found!")
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return()
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endif()
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get_target_property(_lib TBB::tbb IMPORTED_LOCATION_RELEASE)
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message(STATUS "Found TBB (cmake): ${_lib}")
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get_target_property(_inc TBB::tbb INTERFACE_INCLUDE_DIRECTORIES)
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ocv_tbb_read_version("${_inc}")
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add_library(tbb INTERFACE IMPORTED)
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set_target_properties(tbb PROPERTIES
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INTERFACE_LINK_LIBRARIES TBB::tbb
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)
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set(${_found} TRUE PARENT_SCOPE)
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endif()
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endfunction()
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function(ocv_tbb_env_verify)
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if (NOT "$ENV{TBBROOT}" STREQUAL "")
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# check that library and include dir are inside TBBROOT location
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get_filename_component(_root "$ENV{TBBROOT}" ABSOLUTE)
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get_filename_component(_lib "${TBB_ENV_LIB}" ABSOLUTE)
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get_filename_component(_inc "${TBB_ENV_INCLUDE}" ABSOLUTE)
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string(FIND "${_lib}" "${_root}" _lib_pos)
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string(FIND "${_inc}" "${_root}" _inc_pos)
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if (NOT (_lib_pos EQUAL 0 AND _inc_pos EQUAL 0))
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message(SEND_ERROR
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"Possible issue with TBB detection - TBBROOT is set, "
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"but library/include path is not inside it:\n "
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"TBBROOT: $ENV{TBBROOT}\n "
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"(absolute): ${_root}\n "
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"INCLUDE: ${_inc}\n "
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"LIBRARY: ${_lib}\n")
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endif()
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endif()
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endfunction()
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function(ocv_tbb_env_guess _found)
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find_path(TBB_ENV_INCLUDE NAMES "tbb/tbb.h" PATHS ENV CPATH NO_DEFAULT_PATH)
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find_path(TBB_ENV_INCLUDE NAMES "tbb/tbb.h")
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find_library(TBB_ENV_LIB NAMES "tbb" PATHS ENV LIBRARY_PATH NO_DEFAULT_PATH)
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find_library(TBB_ENV_LIB NAMES "tbb")
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find_library(TBB_ENV_LIB_DEBUG NAMES "tbb_debug" PATHS ENV LIBRARY_PATH NO_DEFAULT_PATH)
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find_library(TBB_ENV_LIB_DEBUG NAMES "tbb_debug")
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if (TBB_ENV_INCLUDE AND (TBB_ENV_LIB OR TBB_ENV_LIB_DEBUG))
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ocv_tbb_env_verify()
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ocv_tbb_read_version("${TBB_ENV_INCLUDE}")
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add_library(tbb UNKNOWN IMPORTED)
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set_target_properties(tbb PROPERTIES
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IMPORTED_LOCATION "${TBB_ENV_LIB}"
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INTERFACE_INCLUDE_DIRECTORIES "${TBB_ENV_INCLUDE}"
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)
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if (TBB_ENV_LIB_DEBUG)
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set_target_properties(tbb PROPERTIES
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IMPORTED_LOCATION_DEBUG "${TBB_ENV_LIB_DEBUG}"
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)
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endif()
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# workaround: system TBB library is used for linking instead of provided
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if(CV_GCC)
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get_filename_component(_dir "${TBB_ENV_LIB}" DIRECTORY)
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set_target_properties(tbb PROPERTIES INTERFACE_LINK_LIBRARIES "-L${_dir}")
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endif()
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message(STATUS "Found TBB (env): ${TBB_ENV_LIB}")
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set(${_found} TRUE PARENT_SCOPE)
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endif()
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endfunction()
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function(ocv_tbb_read_version _path)
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find_file(TBB_VER_FILE tbb/tbb_stddef.h "${_path}" NO_DEFAULT_PATH CMAKE_FIND_ROOT_PATH_BOTH)
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ocv_parse_header("${TBB_VER_FILE}" TBB_VERSION_LINES TBB_VERSION_MAJOR TBB_VERSION_MINOR TBB_INTERFACE_VERSION CACHE)
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endfunction()
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#=====================================================================
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if(BUILD_TBB)
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/tbb")
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if(NOT TARGET tbb)
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return()
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endif()
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set(HAVE_TBB TRUE)
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endif()
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if(NOT HAVE_TBB)
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ocv_tbb_cmake_guess(HAVE_TBB)
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endif()
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if(NOT HAVE_TBB)
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ocv_tbb_env_guess(HAVE_TBB)
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endif()
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if(TBB_INTERFACE_VERSION LESS 6000) # drop support of versions < 4.0
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set(HAVE_TBB FALSE)
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endif()
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