155 lines
4.3 KiB
CMake
155 lines
4.3 KiB
CMake
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# Copyright 2019, 2023 Peter Dimov
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
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# This CMake configuration file provides support for find_package(Boost).
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if(Boost_VERBOSE OR Boost_DEBUG)
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message(STATUS "Found Boost ${Boost_VERSION} at ${Boost_DIR}")
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# Output requested configuration (f.ex. "REQUIRED COMPONENTS filesystem")
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if(Boost_FIND_QUIETLY)
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set(_BOOST_CONFIG "${_BOOST_CONFIG} QUIET")
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endif()
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if(Boost_FIND_REQUIRED)
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set(_BOOST_CONFIG "${_BOOST_CONFIG} REQUIRED")
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endif()
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foreach(__boost_comp IN LISTS Boost_FIND_COMPONENTS)
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if(${Boost_FIND_REQUIRED_${__boost_comp}})
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list(APPEND _BOOST_COMPONENTS ${__boost_comp})
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else()
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list(APPEND _BOOST_OPTIONAL_COMPONENTS ${__boost_comp})
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endif()
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endforeach()
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if(_BOOST_COMPONENTS)
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set(_BOOST_CONFIG "${_BOOST_CONFIG} COMPONENTS ${_BOOST_COMPONENTS}")
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endif()
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if(_BOOST_OPTIONAL_COMPONENTS)
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set(_BOOST_CONFIG "${_BOOST_CONFIG} OPTIONAL_COMPONENTS ${_BOOST_OPTIONAL_COMPONENTS}")
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endif()
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if(_BOOST_CONFIG)
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message(STATUS " Requested configuration:${_BOOST_CONFIG}")
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endif()
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unset(_BOOST_CONFIG)
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unset(_BOOST_COMPONENTS)
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unset(_BOOST_OPTIONAL_COMPONENTS)
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endif()
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macro(boostcfg_find_component comp required quiet)
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set(_BOOST_QUIET)
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if(Boost_FIND_QUIETLY OR ${quiet})
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set(_BOOST_QUIET QUIET)
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endif()
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set(_BOOST_REQUIRED)
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if(${required} AND Boost_FIND_REQUIRED)
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set(_BOOST_REQUIRED REQUIRED)
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endif()
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set(__boost_comp_nv "${comp}")
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get_filename_component(_BOOST_CMAKEDIR "${CMAKE_CURRENT_LIST_DIR}/../" ABSOLUTE)
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if(Boost_DEBUG)
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message(STATUS "BoostConfig: find_package(boost_${__boost_comp_nv} ${Boost_VERSION} EXACT CONFIG ${_BOOST_REQUIRED} ${_BOOST_QUIET} HINTS ${_BOOST_CMAKEDIR})")
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endif()
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find_package(boost_${__boost_comp_nv} ${Boost_VERSION} EXACT CONFIG ${_BOOST_REQUIRED} ${_BOOST_QUIET} HINTS ${_BOOST_CMAKEDIR})
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set(__boost_comp_found ${boost_${__boost_comp_nv}_FOUND})
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# FindPackageHandleStandardArgs expects <package>_<component>_FOUND
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set(Boost_${comp}_FOUND ${__boost_comp_found})
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# FindBoost sets Boost_<COMPONENT>_FOUND
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string(TOUPPER ${comp} _BOOST_COMP)
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set(Boost_${_BOOST_COMP}_FOUND ${__boost_comp_found})
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# FindBoost compatibility variables: Boost_LIBRARIES, Boost_<C>_LIBRARY
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if(__boost_comp_found)
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list(APPEND Boost_LIBRARIES Boost::${__boost_comp_nv})
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set(Boost_${_BOOST_COMP}_LIBRARY Boost::${__boost_comp_nv})
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endif()
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unset(_BOOST_REQUIRED)
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unset(_BOOST_QUIET)
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unset(_BOOST_CMAKEDIR)
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unset(__boost_comp_nv)
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unset(__boost_comp_found)
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unset(_BOOST_COMP)
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endmacro()
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# Find boost_headers
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boostcfg_find_component(headers 1 0)
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if(NOT boost_headers_FOUND)
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set(Boost_FOUND 0)
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set(Boost_NOT_FOUND_MESSAGE "A required dependency, boost_headers, has not been found.")
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return()
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endif()
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# Compatibility variables
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set(Boost_MAJOR_VERSION ${Boost_VERSION_MAJOR})
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set(Boost_MINOR_VERSION ${Boost_VERSION_MINOR})
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set(Boost_SUBMINOR_VERSION ${Boost_VERSION_PATCH})
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set(Boost_VERSION_STRING ${Boost_VERSION})
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set(Boost_VERSION_MACRO ${Boost_VERSION_MAJOR}0${Boost_VERSION_MINOR}0${Boost_VERSION_PATCH})
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get_target_property(Boost_INCLUDE_DIRS Boost::headers INTERFACE_INCLUDE_DIRECTORIES)
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set(Boost_LIBRARIES "")
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# Save project's policies
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cmake_policy(PUSH)
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cmake_policy(SET CMP0057 NEW) # if IN_LIST
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# Find components
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foreach(__boost_comp IN LISTS Boost_FIND_COMPONENTS)
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boostcfg_find_component(${__boost_comp} ${Boost_FIND_REQUIRED_${__boost_comp}} 0)
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endforeach()
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# Compatibility targets
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if(NOT TARGET Boost::boost)
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add_library(Boost::boost INTERFACE IMPORTED)
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set_property(TARGET Boost::boost APPEND PROPERTY INTERFACE_LINK_LIBRARIES Boost::headers)
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add_library(Boost::diagnostic_definitions INTERFACE IMPORTED)
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add_library(Boost::disable_autolinking INTERFACE IMPORTED)
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add_library(Boost::dynamic_linking INTERFACE IMPORTED)
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if(WIN32)
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set_property(TARGET Boost::diagnostic_definitions PROPERTY INTERFACE_COMPILE_DEFINITIONS "BOOST_LIB_DIAGNOSTIC")
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set_property(TARGET Boost::disable_autolinking PROPERTY INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_NO_LIB")
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set_property(TARGET Boost::dynamic_linking PROPERTY INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_DYN_LINK")
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endif()
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endif()
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# Restore project's policies
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cmake_policy(POP)
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