118 lines
3.3 KiB
CMake
118 lines
3.3 KiB
CMake
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# Copyright 2020, 2021 Peter Dimov
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# Distributed under the Boost Software License, Version 1.0.
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# https://www.boost.org/LICENSE_1_0.txt
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cmake_minimum_required(VERSION 3.5...3.16)
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project(boost_iostreams VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
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add_library(boost_iostreams
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src/file_descriptor.cpp
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src/mapped_file.cpp
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)
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function(boost_iostreams_option name description package version found target) # sources...
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find_package(${package} ${version} QUIET)
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if(${found} AND TARGET ${target})
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option(${name} ${description} ON)
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else()
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option(${name} ${description} OFF)
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endif()
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if(${name})
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find_package(${package} ${version} REQUIRED)
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target_sources(boost_iostreams PRIVATE ${ARGN})
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target_link_libraries(boost_iostreams PRIVATE ${target})
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endif()
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endfunction()
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boost_iostreams_option(BOOST_IOSTREAMS_ENABLE_ZLIB "Boost.Iostreams: Enable ZLIB support" ZLIB "" ZLIB_FOUND ZLIB::ZLIB src/zlib.cpp src/gzip.cpp)
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boost_iostreams_option(BOOST_IOSTREAMS_ENABLE_BZIP2 "Boost.Iostreams: Enable BZip2 support" BZip2 "" BZIP2_FOUND BZip2::BZip2 src/bzip2.cpp)
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boost_iostreams_option(BOOST_IOSTREAMS_ENABLE_LZMA "Boost.Iostreams: Enable LZMA support" LibLZMA "" LIBLZMA_FOUND LibLZMA::LibLZMA src/lzma.cpp)
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boost_iostreams_option(BOOST_IOSTREAMS_ENABLE_ZSTD "Boost.Iostreams: Enable Zstd support" zstd "1.0" zstd_FOUND zstd::libzstd_shared src/zstd.cpp)
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include(CheckCXXSourceCompiles)
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function(iostreams_check var source incs libs defs)
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set(CMAKE_REQUIRED_INCLUDES "${incs}")
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list(APPEND CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/build")
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set(CMAKE_REQUIRED_LIBRARIES "${libs}")
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set(CMAKE_REQUIRED_DEFINITIONS "${defs}")
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check_cxx_source_compiles("#include \"${source}\"" ${var})
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set(${var} ${${var}} PARENT_SCOPE)
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endfunction()
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set(_lzma_mt "")
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if(BOOST_IOSTREAMS_ENABLE_LZMA)
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iostreams_check(BOOST_IOSTREAMS_HAS_LZMA_CPUTHREADS has_lzma_cputhreads.cpp "" "LibLZMA::LibLZMA" "")
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if(BOOST_IOSTREAMS_HAS_LZMA_CPUTHREADS)
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set(_lzma_mt " (multithreaded)")
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else()
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target_compile_definitions(boost_iostreams PRIVATE BOOST_IOSTREAMS_LZMA_NO_MULTITHREADED=1)
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endif()
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endif()
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message(STATUS "Boost.Iostreams: ZLIB ${BOOST_IOSTREAMS_ENABLE_ZLIB}, BZip2 ${BOOST_IOSTREAMS_ENABLE_BZIP2}, LZMA ${BOOST_IOSTREAMS_ENABLE_LZMA}${_lzma_mt}, Zstd ${BOOST_IOSTREAMS_ENABLE_ZSTD}")
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unset(_lzma_mt)
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add_library(Boost::iostreams ALIAS boost_iostreams)
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target_include_directories(boost_iostreams PUBLIC include)
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target_link_libraries(boost_iostreams
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PUBLIC
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Boost::assert
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Boost::config
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Boost::core
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Boost::detail
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Boost::function
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Boost::integer
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Boost::iterator
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Boost::mpl
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Boost::preprocessor
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Boost::random
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Boost::range
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Boost::regex
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Boost::smart_ptr
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Boost::static_assert
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Boost::throw_exception
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Boost::type_traits
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Boost::utility
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PRIVATE
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Boost::numeric_conversion
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)
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target_compile_definitions(boost_iostreams
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PUBLIC BOOST_IOSTREAMS_NO_LIB
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# Source files already define BOOST_IOSTREAMS_SOURCE
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# PRIVATE BOOST_IOSTREAMS_SOURCE
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)
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if(BUILD_SHARED_LIBS)
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target_compile_definitions(boost_iostreams PUBLIC BOOST_IOSTREAMS_DYN_LINK)
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else()
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target_compile_definitions(boost_iostreams PUBLIC BOOST_IOSTREAMS_STATIC_LINK)
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endif()
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if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
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add_subdirectory(test)
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endif()
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