71 lines
2.0 KiB
CMake
71 lines
2.0 KiB
CMake
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# Copyright (c) 2023, AgiBot Inc.
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# All rights reserved.
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include(FetchContent)
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message(STATUS "get asio ...")
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set(asio_DOWNLOAD_URL
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"https://github.com/chriskohlhoff/asio/archive/asio-1-30-2.tar.gz"
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CACHE STRING "")
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if(asio_LOCAL_SOURCE)
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FetchContent_Declare(
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asio
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SOURCE_DIR ${asio_LOCAL_SOURCE}
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OVERRIDE_FIND_PACKAGE)
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else()
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FetchContent_Declare(
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asio
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URL ${asio_DOWNLOAD_URL}
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DOWNLOAD_EXTRACT_TIMESTAMP TRUE
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OVERRIDE_FIND_PACKAGE)
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endif()
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FetchContent_GetProperties(asio)
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if(NOT asio_POPULATED)
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FetchContent_Populate(asio)
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add_library(asio INTERFACE)
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add_library(asio::asio ALIAS asio)
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target_include_directories(asio INTERFACE ${asio_SOURCE_DIR}/asio/include)
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target_compile_definitions(asio INTERFACE ASIO_STANDALONE ASIO_NO_DEPRECATED)
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find_package(Threads REQUIRED)
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target_link_libraries(asio INTERFACE Threads::Threads)
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if(WIN32)
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# macro see @ https://stackoverflow.com/a/40217291/1746503
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macro(get_win32_winnt version)
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if(CMAKE_SYSTEM_VERSION)
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set(ver ${CMAKE_SYSTEM_VERSION})
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string(REGEX MATCH "^([0-9]+).([0-9])" ver ${ver})
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string(REGEX MATCH "^([0-9]+)" verMajor ${ver})
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# Check for Windows 10, b/c we'll need to convert to hex 'A'.
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if("${verMajor}" MATCHES "10")
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set(verMajor "A")
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string(REGEX REPLACE "^([0-9]+)" ${verMajor} ver ${ver})
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endif("${verMajor}" MATCHES "10")
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# Remove all remaining '.' characters.
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string(REPLACE "." "" ver ${ver})
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# Prepend each digit with a zero.
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string(REGEX REPLACE "([0-9A-Z])" "0\\1" ver ${ver})
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set(${version} "0x${ver}")
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endif()
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endmacro()
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if(NOT DEFINED _WIN32_WINNT)
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get_win32_winnt(ver)
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set(_WIN32_WINNT ${ver})
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endif()
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message(STATUS "Set _WIN32_WINNET=${_WIN32_WINNT}")
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target_compile_definitions(asio INTERFACE _WIN32_WINNT=${_WIN32_WINNT} WIN32_LEAN_AND_MEAN)
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endif()
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endif()
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# import targets：
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# asio::asio
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