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58 lines
2.8 KiB
58 lines
2.8 KiB
# Copyright (c) 2016, Intel Corporation
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation and/or
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# other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors
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# may be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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add_library(asio INTERFACE)
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if (NETWORKING)
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# Find ASIO (the standalone version, not Boost) If asio isn't installed in
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# a standard directory, add the correct directory to CMAKE_PREFIX_PATH (see
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# the main README for more information).
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find_path(ASIO_DIR NAMES asio.hpp)
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# Hide this variable from CMake GUIs and `cmake -L`
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set_property(CACHE ASIO_DIR PROPERTY ADVANCED TRUE)
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if (NOT ASIO_DIR)
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message(SEND_ERROR
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" ASIO header (asio.hpp) could not be found.
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ASIO is used for networking. On Linux, you should install it using your
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package manager. On Windows, please refer to the main README.")
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endif()
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# Ubuntu 14.04 packages asio 1.10.1 and clang 3.4.1.
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# In this environment, asio stand alone (set ASIO_STANDALONE)
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# does not correctly detect that the stl has CHRONO support (c++11).
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# Force the use of std::chrono by setting ASIO_HAS_STD_CHRONO
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target_include_directories(asio SYSTEM INTERFACE "${ASIO_DIR}")
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target_link_libraries(asio INTERFACE "${CMAKE_THREAD_LIBS_INIT}")
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target_compile_definitions(asio
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INTERFACE ASIO_STANDALONE
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INTERFACE ASIO_HAS_STD_CHRONO)
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else()
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# Stubbed version
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target_include_directories(asio INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/stub")
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endif()
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