mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-29 16:40:38 +08:00
Alex Stewart
7ef83e0759
- Removes all workarounds for pre-C++14 versions - Removes '11' qualifier from C++ threading option and associated defines. - Fix missing inclusion of 'Multithreading' in reported Ceres components when C++ threading model is enabled. - Update Sphinx documentation to specify C++14 as minimum requirement. Change-Id: I706c8b367b3221e3c4d1a0aaf669a8f9c911e438
83 lines
3.8 KiB
CMake
83 lines
3.8 KiB
CMake
# Ceres Solver - A fast non-linear least squares minimizer
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# Copyright 2018 Google Inc. All rights reserved.
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# http://ceres-solver.org/
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of Google Inc. nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# Author: alexs.mac@gmail.com (Alex Stewart)
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# Ordered by expected preference.
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set(CERES_THREADING_MODELS "CXX_THREADS;OPENMP;NO_THREADS")
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function(find_available_ceres_threading_models CERES_THREADING_MODELS_AVAILABLE_VAR)
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set(CERES_THREADING_MODELS_AVAILABLE ${CERES_THREADING_MODELS})
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# Remove any threading models for which the dependencies are not available.
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find_package(OpenMP QUIET)
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if (NOT OPENMP_FOUND)
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list(REMOVE_ITEM CERES_THREADING_MODELS_AVAILABLE "OPENMP")
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endif()
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if (NOT CERES_THREADING_MODELS_AVAILABLE)
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# At least NO_THREADS should never be removed. This check is purely
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# protective against future threading model updates.
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message(FATAL_ERROR "Ceres bug: Removed all threading models.")
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endif()
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set(${CERES_THREADING_MODELS_AVAILABLE_VAR}
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${CERES_THREADING_MODELS_AVAILABLE} PARENT_SCOPE)
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endfunction()
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macro(set_ceres_threading_model_to_cxx11_threads)
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list(APPEND CERES_COMPILE_OPTIONS CERES_USE_CXX_THREADS)
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endmacro()
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macro(set_ceres_threading_model_to_openmp)
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find_package(OpenMP REQUIRED)
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list(APPEND CERES_COMPILE_OPTIONS CERES_USE_OPENMP)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
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endmacro()
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macro(set_ceres_threading_model_to_no_threads)
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list(APPEND CERES_COMPILE_OPTIONS CERES_NO_THREADS)
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endmacro()
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macro(set_ceres_threading_model CERES_THREADING_MODEL_TO_SET)
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if ("${CERES_THREADING_MODEL_TO_SET}" STREQUAL "CXX_THREADS")
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set_ceres_threading_model_to_cxx11_threads()
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elseif ("${CERES_THREADING_MODEL_TO_SET}" STREQUAL "OPENMP")
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set_ceres_threading_model_to_openmp()
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elseif ("${CERES_THREADING_MODEL_TO_SET}" STREQUAL "NO_THREADS")
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set_ceres_threading_model_to_no_threads()
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else()
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include(PrettyPrintCMakeList)
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find_available_ceres_threading_models(_AVAILABLE_THREADING_MODELS)
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pretty_print_cmake_list(
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_AVAILABLE_THREADING_MODELS ${_AVAILABLE_THREADING_MODELS})
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message(FATAL_ERROR "Unknown threading model specified: "
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"'${CERES_THREADING_MODEL_TO_SET}'. Available threading models for "
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"this platform are: ${_AVAILABLE_THREADING_MODELS}")
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endif()
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message("-- Using Ceres threading model: ${CERES_THREADING_MODEL_TO_SET}")
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endmacro()
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