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https://github.com/uxlfoundation/oneDNN.git
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90 lines
3.6 KiB
CMake
90 lines
3.6 KiB
CMake
#===============================================================================
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# Copyright 2018-2023 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#===============================================================================
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# Utils for managing threading-related configuration
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#===============================================================================
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if(Threading_cmake_included)
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return()
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endif()
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set(Threading_cmake_included true)
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# CPU threading runtime specifies the threading used by the library:
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# sequential, OpenMP or TBB. In future it may be different from CPU runtime.
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if(DNNL_CPU_RUNTIME STREQUAL "NONE")
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set(DNNL_CPU_THREADING_RUNTIME "SEQ")
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elseif(DNNL_CPU_SYCL)
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set(DNNL_CPU_THREADING_RUNTIME "TBB")
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else()
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set(DNNL_CPU_THREADING_RUNTIME "${DNNL_CPU_RUNTIME}")
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endif()
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# Always require pthreads even for sequential threading (required for e.g.
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# std::call_once that relies on mutexes)
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find_package(Threads REQUIRED)
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list(APPEND EXTRA_SHARED_LIBS "${CMAKE_THREAD_LIBS_INIT}")
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# A macro to avoid code duplication
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macro(find_package_tbb)
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# Try to find TBB using a TBB-provided CMake config file.
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find_package(TBB QUIET COMPONENTS tbb)
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# If the previous `find_package` call failed then try to
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# use a TBB CMake config file that is maintained by oneDNN.
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# The reason the previous call may fail is that TBB package is
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# very old and doesn't provide a CMake config file.
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if(NOT TBB_FOUND)
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message(STATUS "TBB-provided CMake config either failed or was not found. Trying to use a custom one.")
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set(_cmake_proj_dir "${PROJECT_SOURCE_DIR}/cmake")
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if(WIN32)
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find_package(TBB ${ARGN} COMPONENTS tbb HINTS ${_cmake_proj_dir}/win)
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elseif(APPLE)
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find_package(TBB ${ARGN} COMPONENTS tbb HINTS ${_cmake_proj_dir}/mac)
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elseif(UNIX)
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find_package(TBB ${ARGN} COMPONENTS tbb HINTS ${_cmake_proj_dir}/lnx)
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endif()
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endif()
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if(TBB_FOUND)
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# Check for TBB version, required >= 2017
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foreach (_tbb_ver_header tbb_stddef.h version.h)
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foreach (_tbb_include_subdir oneapi "")
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get_target_property(_tbb_include_dirs TBB::tbb
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INTERFACE_INCLUDE_DIRECTORIES)
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set(_tbb_ver_header_full_path
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"${_tbb_include_dirs}/${_tbb_include_subdir}/tbb/${_tbb_ver_header}")
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if(EXISTS ${_tbb_ver_header_full_path})
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file(READ "${_tbb_ver_header_full_path}" _tbb_ver)
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string(REGEX REPLACE
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".*#define TBB_INTERFACE_VERSION ([0-9]+).*" "\\1"
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TBB_INTERFACE_VERSION "${_tbb_ver}")
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if (${TBB_INTERFACE_VERSION} VERSION_LESS 9100)
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if("${mode}" STREQUAL REQUIRED)
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message(FATAL_ERROR
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"oneDNN requires TBB version 2017 or above")
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endif()
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unset(TBB_FOUND)
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else()
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break()
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endif()
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endif()
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endforeach()
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endforeach()
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else()
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message(FATAL_ERROR "TBB package was not found.")
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endif()
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endmacro()
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