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67 lines
2.2 KiB
CMake
67 lines
2.2 KiB
CMake
#@PURPOSE: Provide access to Chris Kohlhoff's ASIO library.
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#
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#@TARGETS:
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# ASIO::ASIO Chris Kohlhoff's ASIO library
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#
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#@DESCRIPTION: This module produces a single target 'ASIO::ASIO', that can be
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# used to link to the asio library. The behavior of this module is undefined
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# unless the asio library is in '../../asio' relative to this file.
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#
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# The 'asio' target generated by this module uses the "standalone" version of
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# asio in that it doesn't depend on any Boost libraries.
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set(ASIO_FOUND FALSE)
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if(TARGET asio::asio)
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set(ASIO_FOUND TRUE)
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else()
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find_package(Threads QUIET)
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if(NOT Threads_FOUND)
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if(ASIO_FIND_REQUIRED)
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message(FATAL_ERROR "ASIO requires thread support, but it wasn't found.")
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else()
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if(ASIO_FIND_QUIETLY)
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message(STATUS "ASIO requires thread support, but it wasn't found.")
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endif()
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endif()
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else()
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find_path(ASIO_ROOT include/asio.hpp
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PATHS
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${CMAKE_CURRENT_LIST_DIR}/../ref/asio/asio
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)
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if(NOT ASIO_ROOT)
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if(ASIO_FIND_REQUIRED)
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message(FATAL_ERROR "ASIO headers could not be found.")
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else()
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if(ASIO_FIND_QUIETLY)
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message(STATUS "ASIO headers could not be found.")
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endif()
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endif()
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else()
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add_library(asio::asio INTERFACE IMPORTED GLOBAL)
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set_target_properties(asio::asio PROPERTIES
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INTERFACE_COMPILE_DEFINITIONS "ASIO_STANDALONE"
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INTERFACE_INCLUDE_DIRECTORIES "${ASIO_ROOT}/include"
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)
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target_link_libraries(asio::asio INTERFACE Threads::Threads)
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set(ASIO_FOUND TRUE)
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endif()
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endif()
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endif()
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# ----------------------------------------------------------------------------
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# Copyright 2017 Bloomberg Finance L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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