#
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# Copyright 2020 Staysail Systems, Inc. <info@staysail.tech>
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# Copyright 2018 Capitar IT Group BV <info@capitar.com>
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#
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# This software is supplied under the terms of the MIT License, a
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# copy of which should be located in the distribution where this
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# file was obtained (LICENSE.txt). A copy of the license may also be
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# found online at https://opensource.org/licenses/MIT.
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#
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# ZeroTier protocol
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option (NNG_TRANSPORT_ZEROTIER "Enable ZeroTier transport (requires libzerotiercore)." OFF)
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mark_as_advanced(NNG_TRANSPORT_ZEROTIER)
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nng_directory(zerotier)
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if (NNG_TRANSPORT_ZEROTIER)
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# NB: As we wind up linking libzerotiercore.a into the application,
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# this means that your application will *also* need to either be licensed
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# under the GPLv3, or you will need to have a commercial license from
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# ZeroTier permitting its use elsewhere.
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message(WARNING "
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************************************************************
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Linking against zerotiercore changes license terms.
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Consult a lawyer and the license files for details.
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************************************************************")
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find_package(zerotiercore REQUIRED)
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nng_link_libraries(zerotiercore::zerotiercore)
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nng_defines(NNG_TRANSPORT_ZEROTIER)
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nng_sources(zerotier.c zthash.c)
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nng_headers(nng/transport/zerotier/zerotier.h)
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endif()
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