# Copyright 2017-2019 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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string(REGEX MATCHALL "[0-9]+" _BOOST_COMPILER_VERSION ${CMAKE_CXX_COMPILER_VERSION})
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list(GET _BOOST_COMPILER_VERSION 0 _BOOST_COMPILER_VERSION_MAJOR)
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list(GET _BOOST_COMPILER_VERSION 1 _BOOST_COMPILER_VERSION_MINOR)
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if(BORLAND)
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# Borland is unversioned
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set(BOOST_DETECTED_TOOLSET "bcb")
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set(_BOOST_COMPILER_VERSION_MAJOR)
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set(_BOOST_COMPILER_VERSION_MINOR)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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set(BOOST_DETECTED_TOOLSET "clang-darwin")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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if(MSVC)
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set(BOOST_DETECTED_TOOLSET "clangw")
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else()
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set(BOOST_DETECTED_TOOLSET "clang")
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endif()
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if(_BOOST_COMPILER_VERSION_MAJOR GREATER 3)
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set(_BOOST_COMPILER_VERSION_MINOR)
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endif()
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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if(WIN32)
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# Intel-Win is unversioned
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set(BOOST_DETECTED_TOOLSET "iw")
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set(_BOOST_COMPILER_VERSION_MAJOR)
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set(_BOOST_COMPILER_VERSION_MINOR)
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else()
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set(BOOST_DETECTED_TOOLSET "il")
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endif()
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MIPSpro")
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set(BOOST_DETECTED_TOOLSET "mp")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
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set(BOOST_DETECTED_TOOLSET "sun")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "IBM XL")
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set(BOOST_DETECTED_TOOLSET "xlc")
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elseif(MINGW)
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set(BOOST_DETECTED_TOOLSET "mgw")
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if(_BOOST_COMPILER_VERSION_MAJOR GREATER 4)
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set(_BOOST_COMPILER_VERSION_MINOR)
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endif()
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elseif(CMAKE_COMPILER_IS_GNUCXX)
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if(APPLE)
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set(BOOST_DETECTED_TOOLSET "xgcc")
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else()
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set(BOOST_DETECTED_TOOLSET "gcc")
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endif()
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if(_BOOST_COMPILER_VERSION_MAJOR GREATER 4)
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set(_BOOST_COMPILER_VERSION_MINOR)
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endif()
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elseif(MSVC)
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if((MSVC_VERSION GREATER 1919) AND (MSVC_VERSION LESS 1930))
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set(BOOST_DETECTED_TOOLSET "vc142")
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elseif((MSVC_VERSION GREATER 1909) AND (MSVC_VERSION LESS 1920))
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set(BOOST_DETECTED_TOOLSET "vc141")
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elseif(MSVC_VERSION EQUAL 1900)
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set(BOOST_DETECTED_TOOLSET "vc140")
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elseif(MSVC_VERSION EQUAL 1800)
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set(BOOST_DETECTED_TOOLSET "vc120")
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elseif(MSVC_VERSION EQUAL 1700)
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set(BOOST_DETECTED_TOOLSET "vc110")
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elseif(MSVC_VERSION EQUAL 1600)
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set(BOOST_DETECTED_TOOLSET "vc100")
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elseif(MSVC_VERSION EQUAL 1500)
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set(BOOST_DETECTED_TOOLSET "vc90")
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elseif(MSVC_VERSION EQUAL 1400)
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set(BOOST_DETECTED_TOOLSET "vc80")
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elseif(MSVC_VERSION EQUAL 1310)
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set(BOOST_DETECTED_TOOLSET "vc71")
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elseif(MSVC_VERSION EQUAL 1300)
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set(BOOST_DETECTED_TOOLSET "vc7")
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elseif(MSVC_VERSION EQUAL 1200)
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set(BOOST_DETECTED_TOOLSET "vc6")
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endif()
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set(_BOOST_COMPILER_VERSION_MAJOR)
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set(_BOOST_COMPILER_VERSION_MINOR)
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endif()
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# Add version
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if(BOOST_DETECTED_TOOLSET)
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set(BOOST_DETECTED_TOOLSET ${BOOST_DETECTED_TOOLSET}${_BOOST_COMPILER_VERSION_MAJOR}${_BOOST_COMPILER_VERSION_MINOR})
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endif()
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unset(_BOOST_COMPILER_VERSION)
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unset(_BOOST_COMPILER_VERSION_MAJOR)
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unset(_BOOST_COMPILER_VERSION_MINOR)
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if("${BOOST_DETECTED_TOOLSET}" STREQUAL "")
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# Unknown toolset
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message(STATUS "Boost toolset is unknown (compiler ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION})")
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elseif(Boost_DEBUG)
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message(STATUS "Boost toolset is ${BOOST_DETECTED_TOOLSET} (${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION})")
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endif()
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