#
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# Copyright 2020 Staysail Systems, Inc. <info@staysail.tech>
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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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# NNG Options. These are user configurable knobs.
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include(CMakeDependentOption)
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if (CMAKE_CROSSCOMPILING)
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set(NNG_NATIVE_BUILD OFF)
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else ()
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set(NNG_NATIVE_BUILD ON)
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endif ()
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# Global options.
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option(BUILD_SHARED_LIBS "Build shared library" ${BUILD_SHARED_LIBS})
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# We only build command line tools and tests if we are not in a
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# cross-compile situation. Cross-compiling users who still want to
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# build these must enable them explicitly. Some of these switches
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# must be enabled rather early as we use their values later.
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option(NNG_TESTS "Build and run tests." ${NNG_NATIVE_BUILD})
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option(NNG_TOOLS "Build extra tools." ${NNG_NATIVE_BUILD})
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option(NNG_ENABLE_NNGCAT "Enable building nngcat utility." ${NNG_TOOLS})
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option(NNG_ENABLE_COVERAGE "Enable coverage reporting." OFF)
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# Eliding deprecated functionality can be used to build a slimmed down
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# version of the library, or alternatively to test for application
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# preparedness for expected feature removals (in the next major release.)
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# Applications can also set the NNG_ELIDE_DEPRECATED preprocessor symbol
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# before including <nng/nng.h> -- this will prevent declarations from
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# being exposed to applications, but it will not affect their ABI
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# availability for existing compiled applications.
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# Note: Currently this breaks the test suite, so we only do it
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# for the public library.
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option(NNG_ELIDE_DEPRECATED "Elide deprecated functionality." OFF)
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option(NNG_ENABLE_STATS "Enable statistics." ON)
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mark_as_advanced(NNG_ENABLE_STATS)
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# Protocols.
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option (NNG_PROTO_BUS0 "Enable BUSv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_BUS0)
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option (NNG_PROTO_PAIR0 "Enable PAIRv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_PAIR0)
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option (NNG_PROTO_PAIR1 "Enable PAIRv1 protocol." ON)
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mark_as_advanced(NNG_PROTO_PAIR1)
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option (NNG_PROTO_PUSH0 "Enable PUSHv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_PUSH0)
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option (NNG_PROTO_PULL0 "Enable PULLv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_PULL0)
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option (NNG_PROTO_PUB0 "Enable PUBv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_PUB0)
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option (NNG_PROTO_SUB0 "Enable SUBv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_SUB0)
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option(NNG_PROTO_REQ0 "Enable REQv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_REQ0)
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option(NNG_PROTO_REP0 "Enable REPv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_REP0)
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option (NNG_PROTO_RESPONDENT0 "Enable RESPONDENTv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_RESPONDENT0)
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option (NNG_PROTO_SURVEYOR0 "Enable SURVEYORv0 protocol." ON)
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mark_as_advanced(NNG_PROTO_SURVEYOR0)
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# TLS support.
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# Enabling TLS is required to enable support for the TLS transport
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# and WSS. It does require a 3rd party TLS engine to be selected.
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option(NNG_ENABLE_TLS "Enable TLS support." OFF)
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if (NNG_ENABLE_TLS)
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set(NNG_SUPP_TLS ON)
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endif ()
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if (NNG_ENABLE_TLS)
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set(NNG_TLS_ENGINES mbed wolf none)
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# We assume Mbed for now. (Someday replaced perhaps with Bear.)
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set(NNG_TLS_ENGINE mbed CACHE STRING "TLS engine to use.")
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set_property(CACHE NNG_TLS_ENGINE PROPERTY STRINGS ${NNG_TLS_ENGINES})
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else ()
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set(NNG_TLS_ENGINE none)
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endif ()
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# HTTP API support.
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option (NNG_ENABLE_HTTP "Enable HTTP API." ON)
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if (NNG_ENABLE_HTTP)
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set(NNG_SUPP_HTTP ON)
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endif()
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mark_as_advanced(NNG_ENABLE_HTTP)
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#
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# Transport Options.
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#
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option (NNG_TRANSPORT_INPROC "Enable inproc transport." ON)
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mark_as_advanced(NNG_TRANSPORT_INPROC)
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option (NNG_TRANSPORT_IPC "Enable IPC transport." ON)
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mark_as_advanced(NNG_TRANSPORT_IPC)
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# TCP transport
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option (NNG_TRANSPORT_TCP "Enable TCP transport." ON)
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mark_as_advanced(NNG_TRANSPORT_TCP)
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# TLS transport
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option (NNG_TRANSPORT_TLS "Enable TLS transport." ON)
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mark_as_advanced(NNG_TRANSPORT_TLS)
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# WebSocket
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option (NNG_TRANSPORT_WS "Enable WebSocket transport." ON)
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mark_as_advanced(NNG_TRANSPORT_WS)
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CMAKE_DEPENDENT_OPTION(NNG_TRANSPORT_WSS "Enable WSS transport." ON
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"NNG_ENABLE_TLS" OFF)
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mark_as_advanced(NNG_TRANSPORT_WSS)
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# ZeroTier
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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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if (NNG_TRANSPORT_WS OR NNG_TRANSPORT_WSS)
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# Make sure things we *MUST* have are enabled.
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set(NNG_SUPP_WEBSOCKET ON)
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set(NNG_SUPP_HTTP ON)
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set(NNG_SUPP_BASE64 ON)
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set(NNG_SUPP_SHA1 ON)
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endif()
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