blob: a4271eb71c7892ab6d33d5a05538da9d01550c85 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#
# Copyright 2017 Garrett D'Amore <garrett@damore.org>
# Copyright 2017 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
set (NNG_TRANSPORT_ZEROTIER_SOURCE "" CACHE PATH "Location of ZeroTier source tree.")
mark_as_advanced(NNG_TRANSPORT_ZEROTIER_SOURCE)
if (NNG_TRANSPORT_ZEROTIER)
# We use the libzerotiercore.a library, which is unfortunately a C++ object
# even though it exposes only public C symbols. It would be extremely
# helpful if libzerotiercore didn't make us carry the whole C++ runtime
# behind us. The user must specify the location of the ZeroTier source
# tree (dev branch for now, and already compiled please) by setting the
# NNG_ZEROTIER_SOURCE macro.
# NB: This needs to be the zerotierone tree, not the libzt library.
# This is because we don't access the API, but instead use the low
# level zerotiercore functionality directly.
# 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.
enable_language(CXX)
find_library(NNG_LIBZTCORE zerotiercore PATHS ${NNG_TRANSPORT_ZEROTIER_SOURCE})
if (NNG_LIBZTCORE)
set(CMAKE_REQUIRED_INCLUDES ${NNG_TRANSPORT_ZEROTIER_SOURCE}/include)
message(STATUS "C++ ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES}")
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${NNG_LIBZTCORE} ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES})
set(NNG_REQUIRED_LIBRARIES ${NNG_REQUIRED_LIBRARIES} ${NNG_LIBZTCORE} ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES} PARENT_SCOPE)
set(NNG_REQUIRED_INCLUDES ${NNG_REQUIRED_INCLUDES} ${NNG_TRANSPORT_ZEROTIER_SOURCE}/include PARENT_SCOPE)
nng_check_sym(ZT_Node_join ZeroTierOne.h HAVE_ZTCORE)
endif()
if (NOT HAVE_ZTCORE)
message (FATAL_ERROR "Cannot find ZeroTier components")
endif()
message(STATUS "Found ZeroTier at ${NNG_LIBZTCORE}")
set(ZT_SOURCES transport/zerotier/zerotier.c transport/zerotier/zerotier.h)
install(FILES zerotier.h DESTINATION include/nng/transport/zerotier)
endif()
set(NNG_SOURCES ${NNG_SOURCES} ${ZT_SOURCES} PARENT_SCOPE)
|
