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