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CMakeLists.txt
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CMakeLists.txt
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# CMakeLists.txt for libcoap
#
# Copyright (C) 2020 Carlos Gomes Martinho <[email protected]>
# Copyright (C) 2020-2024 Jon Shallow <[email protected]>
#
# SPDX-License-Identifier: BSD-2-Clause
#
# This file is part of the CoAP library libcoap. Please see README for terms
# of use.
cmake_minimum_required(VERSION 3.10)
project(
libcoap
VERSION 4.3.5
LANGUAGES CXX C)
set(LIBCOAP_API_VERSION 3)
set(LIBCOAP_ABI_VERSION 3.2.0)
set(COAP_LIBRARY_NAME "coap-${LIBCOAP_API_VERSION}")
if(NOT ZEPHYR_BASE)
option(
BUILD_SHARED_LIBS
"Build shared libs"
OFF)
else()
# provided by the zephyr build system
endif()
#
# global compiler options
# (need to do it before add_library())
#
add_compile_options(
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-pedantic>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wall>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wcast-qual>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wextra>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wformat-security>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Winline>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wmissing-declarations>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wmissing-prototypes>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wnested-externs>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wpointer-arith>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wshadow>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wstrict-prototypes>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wswitch-default>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wswitch-enum>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wunused>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Wwrite-strings>)
if(MINGW)
add_compile_options(
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>>:-Wno-format>
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>>:-Wno-format-security>)
endif()
if(${WARNING_TO_ERROR})
add_compile_options(
$<$<OR:$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:-Werror>)
endif()
if(CMAKE_GENERATOR MATCHES "Visual Studio")
option(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS "Export all symbols when compiling to a .dll" ON)
# add_compile_options(/Wall /wd4100 /wd4820 /wd4668 /wd4061)
if(${WARNING_TO_ERROR})
add_compile_options(/WX)
endif()
endif()
#
# The libcoap library
#
add_library(${COAP_LIBRARY_NAME})
set_property(TARGET ${COAP_LIBRARY_NAME} PROPERTY C_STANDARD 99)
if(${CMAKE_VERSION} VERSION_GREATER "3.20.0")
cmake_policy(SET CMP0115 OLD) # Supresses libcoap configuration warning
endif()
set_target_properties(${COAP_LIBRARY_NAME} PROPERTIES SOVERSION ${LIBCOAP_API_VERSION})
set_target_properties(${COAP_LIBRARY_NAME} PROPERTIES VERSION ${LIBCOAP_ABI_VERSION})
#
# options to tweak the library
#
if(NOT ZEPHYR_BASE)
option(
ENABLE_DTLS
"enable building with DTLS support"
ON)
set(DTLS_BACKEND
"default"
CACHE
STRING
"\
Name of the dtls backend, only relevant if `ENABLE_DTLS` is ON which is default. \
Possible values: default, gnutls, openssl, wolfssl, tinydtls and mbedtls. \
If specified then this library will be searched and if found also used. \
If not found then the cmake configuration will stop with an error. \
If not specified, then cmake will try to use the first one found in the following order: \
gnutls, openssl, wolfssl, tinydtls, mbedtls \
")
set_property(
CACHE DTLS_BACKEND
PROPERTY STRINGS
default
openssl
wolfssl
gnutls
tinydtls
mbedtls)
option(
USE_VENDORED_TINYDTLS
"compile with the tinydtls project in the submodule if on, otherwise try to find the compiled lib with find_package"
ON)
option(
ENABLE_CLIENT_MODE
"compile with support for client mode code"
ON)
option(
ENABLE_SERVER_MODE
"compile with support for server mode code"
ON)
option(
ENABLE_PROXY_CODE
"compile with support for proxy code"
ON)
option(
ENABLE_OSCORE
"compile with support for OSCORE"
ON)
option(
WITH_OBSERVE_PERSIST
"compile with observe persist support for server restarts"
ON)
option(
WITH_EPOLL
"compile with epoll support"
ON)
option(
ENABLE_THREAD_SAFE
"enable building with thread safe support"
ON)
option(
ENABLE_THREAD_RECURSIVE_LOCK_CHECK
"enable building with thread recursive lock detection"
OFF)
option(
ENABLE_SMALL_STACK
"enable if the system has small stack size"
OFF)
option(
ENABLE_TCP
"enable building with TCP support"
ON)
option(
ENABLE_IPV4
"enable building with IPv4 support"
ON)
option(
ENABLE_IPV6
"enable building with IPv6 support"
ON)
option(
ENABLE_AF_UNIX
"enable building with Unix socket support"
ON)
option(
ENABLE_WS
"enable building with WebSockets support"
ON)
option(
ENABLE_ASYNC
"enable building with async separate response support"
ON)
option(
ENABLE_Q_BLOCK
"enable building with Q-Block (RFC9177) support"
ON)
option(
ENABLE_TESTS
"build also tests"
OFF)
option(
ENABLE_EXAMPLES
"build also examples"
ON)
option(
ENABLE_DOCS
"build also doxygen documentation"
ON)
option(
WARNING_TO_ERROR
"force all compiler warnings to be errors"
OFF)
set(MAX_LOGGING_LEVEL
"8"
CACHE
STRING
"\
Only build logging code up to and including the specified logging level (0 - 8)[default=8]]
")
set_property(
CACHE MAX_LOGGING_LEVEL
PROPERTY STRINGS
"0"
"1"
"2"
"3"
"4"
"5"
"6"
"7"
"8")
else() # ! ZEPHYR_BASE
# provided by zephyr/CMakeLists.txt and zephyr/Kconfig
endif() # ! ZEPHYR_BASE
if(NOT CMAKE_C_STANDARD)
set(CMAKE_C_STANDARD 11)
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Debug)
endif()
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()
if(APPLE)
add_definitions(-D__APPLE_USE_RFC_3542=1)
endif()
list(APPEND CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_BINARY_DIR})
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
include(CheckCSourceCompiles)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckSymbolExists)
include(CheckTypeSize)
include(TestBigEndian)
# check for headers
check_include_file(assert.h HAVE_ASSERT_H)
check_include_file(string.h HAVE_STRING_H)
check_include_file(strings.h HAVE_STRINGS_H)
check_include_file(byteswap.h HAVE_BYTESWAP_H)
check_include_file(inttypes.h HAVE_INTTYPES_H)
check_include_file(errno.h HAVE_ERRNO_H)
check_include_file(limits.h HAVE_LIMITS_H)
check_include_file(memory.h HAVE_MEMORY_H)
check_include_file(strings.h HAVE_STRINGS_H)
check_include_file(string.h HAVE_STRING_H)
check_include_file(sys/sysctl.h HAVE_SYS_SYSCTL_H)
check_include_file(net/if.h HAVE_NET_IF_H)
check_include_file(ifaddrs.h HAVE_IFADDRS_H)
check_include_file(netinet/in.h HAVE_NETINET_IN_H)
check_include_file(sys/epoll.h HAVE_EPOLL_H)
check_include_file(sys/timerfd.h HAVE_TIMERFD_H)
check_include_file(arpa/inet.h HAVE_ARPA_INET_H)
check_include_file(stdbool.h HAVE_STDBOOL_H)
check_include_file(netdb.h HAVE_NETDB_H)
check_include_file(pthread.h HAVE_PTHREAD_H)
check_include_file(stdlib.h HAVE_STDINT_H)
check_include_file(stdint.h HAVE_STDLIB_H)
check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
check_include_file(sys/socket.h HAVE_SYS_SOCKET_H)
check_include_file(sys/stat.h HAVE_SYS_STAT_H)
check_include_file(sys/time.h HAVE_SYS_TIME_H)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(sys/unistd.h HAVE_SYS_UNISTD_H)
check_include_file(time.h HAVE_TIME_H)
check_include_file(unistd.h HAVE_UNISTD_H)
check_include_file(float.h HAVE_FLOAT_H)
check_include_file(stddef.h HAVE_STDDEF_H)
check_include_file(winsock2.h HAVE_WINSOCK2_H)
check_include_file(ws2tcpip.h HAVE_WS2TCPIP_H)
# check for functions
check_function_exists(malloc HAVE_MALLOC)
check_function_exists(memset HAVE_MEMSET)
check_function_exists(select HAVE_SELECT)
check_function_exists(socket HAVE_SOCKET)
check_function_exists(strcasecmp HAVE_STRCASECMP)
check_function_exists(pthread_mutex_lock HAVE_PTHREAD_MUTEX_LOCK)
check_function_exists(getaddrinfo HAVE_GETADDRINFO)
check_function_exists(strnlen HAVE_STRNLEN)
check_function_exists(strrchr HAVE_STRRCHR)
check_function_exists(getrandom HAVE_GETRANDOM)
check_function_exists(random HAVE_RANDOM)
check_function_exists(if_nametoindex HAVE_IF_NAMETOINDEX)
# check for symbols
if(WIN32)
set(HAVE_STRUCT_CMSGHDR 1)
message(STATUS "setting HAVE_STRUCT_CMSGHDR")
elseif(${CMAKE_SYSTEM_NAME} STREQUAL QNX)
set(HAVE_STRUCT_CMSGHDR 0)
else()
check_symbol_exists(
CMSG_FIRSTHDR
sys/socket.h
HAVE_STRUCT_CMSGHDR)
endif()
if(${ENABLE_CLIENT_MODE})
set(COAP_CLIENT_SUPPORT "1")
message(STATUS "compiling with client support")
else()
message(STATUS "compiling without client support")
endif()
if(${ENABLE_SERVER_MODE})
set(COAP_SERVER_SUPPORT "1")
message(STATUS "compiling with server support")
else()
message(STATUS "compiling without server support")
endif()
if(${ENABLE_PROXY_CODE})
if(${ENABLE_CLIENT_MODE} AND ${ENABLE_SERVER_MODE})
set(COAP_PROXY_SUPPORT "1")
message(STATUS "compiling with proxy support")
else()
message(
FATAL_ERROR
"Both ENABLE_CLIENT_MODE and ENABLE_SERVER_MODE need to be set for ENABLE_PROXY_CODE")
endif()
else()
message(STATUS "compiling without proxy support")
endif()
if(${ENABLE_OSCORE})
set(COAP_OSCORE_SUPPORT "1")
message(STATUS "compiling with OSCORE support")
else()
message(STATUS "compiling without OSCORE support")
endif()
if(${ENABLE_WS} AND ${ENABLE_TCP})
set(COAP_WS_SUPPORT "1")
message(STATUS "compiling with WebSockets support")
else()
if(${ENABLE_WS})
set(ENABLE_WS OFF)
message(STATUS "WebSockets disabled as TCP not enabled")
endif()
message(STATUS "compiling without WebSockets support")
endif()
if(${ENABLE_ASYNC})
set(COAP_ASYNC_SUPPORT "1")
message(STATUS "compiling with async separate response support")
else()
message(STATUS "compiling without async separate response support")
endif()
if(${ENABLE_IPV4})
set(COAP_IPV4_SUPPORT "1")
message(STATUS "compiling with IPv4 support")
else()
message(STATUS "compiling without IPv4 support")
endif()
if(${ENABLE_IPV6})
set(COAP_IPV6_SUPPORT "1")
message(STATUS "compiling with IPv6 support")
else()
message(STATUS "compiling without IPv6 support")
endif()
if(${ENABLE_AF_UNIX})
set(COAP_AF_UNIX_SUPPORT "1")
message(STATUS "compiling with Unix socket support")
else()
message(STATUS "compiling without Unix socket support")
endif()
if(${ENABLE_Q_BLOCK})
set(COAP_Q_BLOCK_SUPPORT "1")
message(STATUS "compiling with Q-Block (RFC9177) support")
else()
message(STATUS "compiling without Q-Block (RFC9177) support")
endif()
if(${WITH_OBSERVE_PERSIST})
set(COAP_WITH_OBSERVE_PERSIST "1")
message(STATUS "compiling with observe persistence support")
else()
message(STATUS "compiling without observe persistence support")
endif()
if(${WITH_EPOLL}
AND HAVE_EPOLL_H
AND HAVE_TIMERFD_H)
set(COAP_EPOLL_SUPPORT "1")
message(STATUS "compiling with epoll support")
else()
if(${WITH_EPOLL})
set(WITH_EPOLL OFF)
message(STATUS "epoll disabled as kernel support not available")
endif()
message(STATUS "compiling without epoll support")
endif()
if(ENABLE_THREAD_SAFE)
set(COAP_THREAD_SAFE "${ENABLE_THREAD_SAFE}")
message(STATUS "compiling with thread safe support")
endif()
if(ENABLE_THREAD_RECURSIVE_LOCK_CHECK)
set(COAP_THREAD_RECURSIVE_CHECK "${ENABLE_THREAD_RECURSIVE_LOCK_CHECK}")
message(STATUS "compiling with thread recursive lock detection support")
endif()
if(ENABLE_SMALL_STACK)
set(COAP_CONSTRAINED_STACK "${ENABLE_SMALL_STACK}")
message(STATUS "compiling with small stack support")
endif()
if(${MAX_LOGGING_LEVEL} MATCHES "[0-8]")
set(COAP_MAX_LOGGING_LEVEL ${MAX_LOGGING_LEVEL})
message(STATUS "compiling with max logging level set to ${MAX_LOGGING_LEVEL}")
else()
message(STATUS "compiling with max logging level set to none")
endif()
set(WITH_GNUTLS OFF)
set(WITH_OPENSSL OFF)
set(WITH_TINYDTLS OFF)
set(WITH_MBEDTLS OFF)
set(WITH_WOLFSSL OFF)
function(compile_tinydtls)
set(TINYDTLS_SOURCES_DIR ${CMAKE_CURRENT_LIST_DIR}/ext/tinydtls)
set(TINYDTLS_SOURCES_GENERATED ${TINYDTLS_SOURCES_DIR}/dtls_config.h)
message(STATUS "compiling the tinydtls lib")
include(ExternalProject)
externalproject_add(
external_tinydtls
SOURCE_DIR "${TINYDTLS_SOURCES_DIR}"
BUILD_IN_SOURCE 1
DOWNLOAD_COMMAND ""
UPDATE_COMMAND ""
CONFIGURE_COMMAND
${TINYDTLS_SOURCES_DIR}/configure
--disable-manpages
--prefix=${CMAKE_BINARY_DIR}
BUILD_COMMAND make install
INSTALL_COMMAND ""
LOG_DOWNLOAD 1
LOG_CONFIGURE 1)
externalproject_add_step(
external_tinydtls autoreconf
COMMAND ./autogen.sh
ALWAYS 1
WORKING_DIRECTORY "${TINYDTLS_SOURCES_DIR}"
DEPENDERS configure
DEPENDEES download)
# Let cmake know that it needs to execute the external_tinydtls target to generate those files.
add_custom_command(
OUTPUT ${TINYDTLS_SOURCES_GENERATED}
WORKING_DIRECTORY "${TINYDTLS_SOURCES_DIR}"
COMMAND "make install"
DEPENDS external_tinydtls)
add_dependencies(${COAP_LIBRARY_NAME} external_tinydtls)
if(BUILD_SHARED_LIBS)
set(LIBTINYDTLS_PATH "${CMAKE_CURRENT_BINARY_DIR}/lib/libtinydtls.so")
else()
set(LIBTINYDTLS_PATH "${CMAKE_CURRENT_BINARY_DIR}/lib/libtinydtls.a")
endif()
add_library(
tinydtls
UNKNOWN
IMPORTED)
set_target_properties(
tinydtls
PROPERTIES INTERFACE_INCLUDE_DIRECTORIES
"${CMAKE_CURRENT_BINARY_DIR}/include"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${LIBTINYDTLS_PATH}")
endfunction()
if(ENABLE_DTLS)
message(STATUS "compiling with DTLS support")
message(STATUS "DTLS_BACKEND: ${DTLS_BACKEND}")
if(DTLS_BACKEND
STREQUAL
"default")
# try to find a crypto lib and use it, use the first one found
# libgnutls (e.g. debian libgnutls28-dev)
find_package(GnuTLS)
if(GnuTLS_FOUND)
set(WITH_GNUTLS ON)
message(STATUS "compiling with gnutls support")
set(COAP_WITH_LIBGNUTLS 1)
else()
# gnutls not found
find_package(OpenSSL)
if(OpenSSL_FOUND)
set(WITH_OPENSSL ON)
message(STATUS "compiling with openssl support")
set(COAP_WITH_LIBOPENSSL 1)
else()
# openssl not found
# wolfSSL
find_package(wolfSSL)
if(wolfSSL_FOUND)
set(WITH_WOLFSSL ON)
message(STATUS "compiling with wolfssl support")
set(COAP_WITH_LIBWOLFSSL 1)
else()
# wolfssl not found
# libmbedtls (e.g. debian libmbedtls-dev)
find_package(MbedTLS)
if(MbedTLS_FOUND)
set(WITH_MBEDTLS ON)
message(STATUS "compiling with mbedtls support")
set(COAP_WITH_LIBMBEDTLS 1)
else()
# mbedtls not found
if(USE_VENDORED_TINYDTLS)
compile_tinydtls()
else()
find_package(TinyDTLS)
if(TINYDTLS_FOUND)
else()
# no cryto lib found
message(
FATAL_ERROR
"cannot find any cryto lib, either install one or compile without DTLS support"
)
endif()
endif()
set(WITH_TINYDTLS ON)
message(STATUS "compiling with tinydtls support")
set(COAP_WITH_LIBTINYDTLS 1)
endif()
endif()
endif()
endif()
else()
# DTLS_BACKEND variable is not empty, so set all to false and set the only right to true
set(WITH_GNUTLS OFF)
set(WITH_TINYDTLS OFF)
set(WITH_MBEDTLS OFF)
set(WITH_OPENSSL OFF)
set(WITH_WOLFSSL OFF)
if(DTLS_BACKEND
STREQUAL
"gnutls")
# libgnutls (e.g. debian libgnutls28-dev)
find_package(GnuTLS REQUIRED)
set(WITH_GNUTLS ON)
message(STATUS "compiling with gnutls support")
set(COAP_WITH_LIBGNUTLS 1)
endif()
if(DTLS_BACKEND
STREQUAL
"openssl")
# libssl (e.g. debian libssl1.0-dev)
find_package(OpenSSL REQUIRED)
set(WITH_OPENSSL ON)
message(STATUS "compiling with openssl support")
set(COAP_WITH_LIBOPENSSL 1)
endif()
if(DTLS_BACKEND
STREQUAL
"wolfssl")
find_package(wolfSSL REQUIRED)
set(WITH_WOLFSSL ON)
message(STATUS "compiling with wolfssl support")
set(COAP_WITH_LIBWOLFSSL 1)
endif()
if(DTLS_BACKEND
STREQUAL
"mbedtls")
# libmbedtls (e.g. debian libmbedtls-dev)
find_package(MbedTLS REQUIRED)
set(WITH_MBEDTLS ON)
message(STATUS "compiling with mbedtls support")
set(COAP_WITH_LIBMBEDTLS 1)
endif()
if(DTLS_BACKEND
STREQUAL
"tinydtls")
if(USE_VENDORED_TINYDTLS)
compile_tinydtls()
else(USE_VENDORED_TINYDTLS)
find_package(TinyDTLS REQUIRED)
endif(USE_VENDORED_TINYDTLS)
message(STATUS "compiling with tinydtls support")
set(WITH_TINYDTLS ON)
set(COAP_WITH_LIBTINYDTLS 1)
endif()
endif()
endif()
if(WITH_WOLFSSL)
find_library(WOLFSSL_LIBRARY wolfssl HINTS /usr/local/lib)
find_path(WOLFSSL_INCLUDE_DIR wolfssl/wolfcrypt/settings.h HINTS /usr/local/include)
if(WOLFSSL_LIBRARY AND WOLFSSL_INCLUDE_DIR)
message(STATUS "compiling with wolfssl support")
else()
message(FATAL_ERROR "WolfSSL not found")
endif()
endif()
execute_process(COMMAND git describe --tags --dirty --always
RESULT_VARIABLE USING_GIT
OUTPUT_VARIABLE LIBCOAP_PACKAGE_BUILD
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(NOT ${USING_GIT} EQUAL 0)
set(LIBCOAP_PACKAGE_BUILD ${PROJECT_VERSION})
else()
set(LIBCOAP_PACKAGE_BUILD "${LIBCOAP_PACKAGE_BUILD}")
endif()
set(PACKAGE_URL "https://libcoap.net/")
set(PACKAGE_NAME "${PROJECT_NAME}")
set(PACKAGE_TARNAME "${PROJECT_NAME}")
set(PACKAGE_STRING "${PROJECT_NAME} ${PROJECT_VERSION}")
set(PACKAGE_VERSION "${PROJECT_VERSION}")
set(PACKAGE_BUGREPORT "[email protected]")
set(LIBCOAP_PACKAGE_VERSION "${PACKAGE_VERSION}")
set(LIBCOAP_PACKAGE_URL "${PACKAGE_URL}")
set(LIBCOAP_PACKAGE_NAME "${PACKAGE_NAME}")
set(LIBCOAP_PACKAGE_STRING "${PACKAGE_STRING}")
set(LIBCOAP_PACKAGE_BUGREPORT "${PACKAGE_BUGREPORT}")
message(STATUS "")
message(STATUS "libcoap Configuration Summary:")
message(STATUS "")
message(STATUS "PACKAGE VERSION..................${PACKAGE_VERSION}")
message(STATUS "PACKAGE SOURCE...................${LIBCOAP_PACKAGE_BUILD}")
message(STATUS "LIBRARY API VERSION..............${LIBCOAP_API_VERSION}")
message(STATUS "LIBRARY ABI VERSION..............${LIBCOAP_ABI_VERSION}")
message(STATUS "ENABLE_DTLS:.....................${ENABLE_DTLS}")
message(STATUS "ENABLE_TCP:......................${ENABLE_TCP}")
message(STATUS "ENABLE_IPV4:.....................${ENABLE_IPV4}")
message(STATUS "ENABLE_IPV6:.....................${ENABLE_IPV6}")
message(STATUS "ENABLE_AF_UNIX:..................${ENABLE_AF_UNIX}")
message(STATUS "ENABLE_WEBSOCKETS:...............${ENABLE_WS}")
message(STATUS "ENABLE_Q_BLOCK:..................${ENABLE_Q_BLOCK}")
message(STATUS "ENABLE_CLIENT_MODE:..............${ENABLE_CLIENT_MODE}")
message(STATUS "ENABLE_SERVER_MODE:..............${ENABLE_SERVER_MODE}")
message(STATUS "ENABLE_OSCORE:...................${ENABLE_OSCORE}")
message(STATUS "ENABLE_ASYNC:....................${ENABLE_ASYNC}")
message(STATUS "ENABLE_THREAD_SAFE:..............${ENABLE_THREAD_SAFE}")
message(STATUS "ENABLE_THREAD_RECURSIVE_CHECK....${ENABLE_THREAD_RECURSIVE_LOCK_CHECK}")
message(STATUS "ENABLE_DOCS:.....................${ENABLE_DOCS}")
message(STATUS "ENABLE_EXAMPLES:.................${ENABLE_EXAMPLES}")
message(STATUS "DTLS_BACKEND:....................${DTLS_BACKEND}")
message(STATUS "WITH_GNUTLS:.....................${WITH_GNUTLS}")
message(STATUS "WITH_TINYDTLS:...................${WITH_TINYDTLS}")
message(STATUS "WITH_OPENSSL:....................${WITH_OPENSSL}")
message(STATUS "WITH_WOLFSSL:....................${WITH_WOLFSSL}")
message(STATUS "WITH_MBEDTLS:....................${WITH_MBEDTLS}")
message(STATUS "HAVE_LIBTINYDTLS:................${COAP_WITH_LIBTINYDTLS}")
message(STATUS "HAVE_LIBGNUTLS:..................${COAP_WITH_LIBGNUTLS}")
message(STATUS "HAVE_LIBOPENSSL:.................${COAP_WITH_LIBOPENSSL}")
message(STATUS "HAVE_LIBWOLFSSL:.................${COAP_WITH_LIBWOLFSSL}")
message(STATUS "HAVE_LIBMBEDTLS:.................${COAP_WITH_LIBMBEDTLS}")
message(STATUS "WITH_EPOLL:......................${WITH_EPOLL}")
message(STATUS "WITH_OBSERVE_PERSIST:............${WITH_OBSERVE_PERSIST}")
message(STATUS "BUILD_SHARED_LIBS:...............${BUILD_SHARED_LIBS}")
message(STATUS "MAX_LOGGING_LEVEL:...............${MAX_LOGGING_LEVEL}")
message(STATUS "WARNING_TO_ERROR:................${WARNING_TO_ERROR}")
message(STATUS "CMAKE_C_COMPILER:................${CMAKE_C_COMPILER}")
message(STATUS "CMAKE_CXX_COMPILER_ID:...........${CMAKE_CXX_COMPILER_ID}")
message(STATUS "CMAKE_BUILD_TYPE:................${CMAKE_BUILD_TYPE}")
message(STATUS "CMAKE_SYSTEM_PROCESSOR:..........${CMAKE_SYSTEM_PROCESSOR}")
message(STATUS "CMAKE_HOST_SYSTEM_NAME:..........${CMAKE_HOST_SYSTEM_NAME}")
message(STATUS "CMAKE_GENERATOR:.................${CMAKE_GENERATOR}")
message(STATUS "")
set(top_srcdir "${CMAKE_CURRENT_LIST_DIR}")
set(top_builddir "${CMAKE_CURRENT_BINARY_DIR}")
if(ENABLE_TCP)
set(COAP_DISABLE_TCP 0)
else(ENABLE_TCP)
set(COAP_DISABLE_TCP 1)
endif(ENABLE_TCP)
# Get rid of any previously built coap.h now that it is provided
if(NOT "${CMAKE_CURRENT_LIST_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
if(EXISTS ${CMAKE_CURRENT_BINARY_DIR}/include/coap${LIBCOAP_API_VERSION}/coap.h)
message(
FATAL_ERROR
"${CMAKE_CURRENT_BINARY_DIR}/include/coap${LIBCOAP_API_VERSION}/coap.h exists and needs to be deleted")
endif()
endif()
# creates config header file in build directory
configure_file(${CMAKE_CURRENT_LIST_DIR}/cmake_coap_config.h.in
${CMAKE_CURRENT_BINARY_DIR}/coap_config.h)
configure_file(${CMAKE_CURRENT_LIST_DIR}/cmake_coap_defines.h.in
${CMAKE_CURRENT_BINARY_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_defines.h)
configure_file(${CMAKE_CURRENT_LIST_DIR}/tests/test_common.h.in
${CMAKE_CURRENT_LIST_DIR}/tests/test_common.h)
#
# sources
#
target_sources(
${COAP_LIBRARY_NAME}
PRIVATE ${CMAKE_CURRENT_LIST_DIR}/src/coap_address.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_asn1.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_async.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_block.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_cache.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_debug.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_dtls.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_encode.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_event.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_hashkey.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_io.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_layers.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_mem.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_net.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_netif.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_notls.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_option.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_oscore.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_pdu.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_prng.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_proxy.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_resource.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_session.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_sha1.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_str.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_subscribe.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_tcp.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_threadsafe.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_time.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_uri.c
${CMAKE_CURRENT_LIST_DIR}/src/coap_ws.c
# no need to parse those files if we do not need them
$<$<BOOL:${COAP_WITH_LIBOPENSSL}>:${CMAKE_CURRENT_LIST_DIR}/src/coap_openssl.c>
$<$<BOOL:${COAP_WITH_LIBWOLFSSL}>:${CMAKE_CURRENT_LIST_DIR}/src/coap_wolfssl.c>
$<$<BOOL:${COAP_WITH_LIBTINYDTLS}>:${CMAKE_CURRENT_LIST_DIR}/src/coap_tinydtls.c>
$<$<BOOL:${COAP_WITH_LIBGNUTLS}>:${CMAKE_CURRENT_LIST_DIR}/src/coap_gnutls.c>
$<$<BOOL:${COAP_WITH_LIBMBEDTLS}>:${CMAKE_CURRENT_LIST_DIR}/src/coap_mbedtls.c>
# needed for OSCORE if enabled
$<$<BOOL:${COAP_OSCORE_SUPPORT}>:${CMAKE_CURRENT_LIST_DIR}/src/oscore/oscore.c>
$<$<BOOL:${COAP_OSCORE_SUPPORT}>:${CMAKE_CURRENT_LIST_DIR}/src/oscore/oscore_cbor.c>
$<$<BOOL:${COAP_OSCORE_SUPPORT}>:${CMAKE_CURRENT_LIST_DIR}/src/oscore/oscore_context.c>
$<$<BOOL:${COAP_OSCORE_SUPPORT}>:${CMAKE_CURRENT_LIST_DIR}/src/oscore/oscore_cose.c>
$<$<BOOL:${COAP_OSCORE_SUPPORT}>:${CMAKE_CURRENT_LIST_DIR}/src/oscore/oscore_crypto.c>
# headers
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/libcoap.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_address.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_async.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_block.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_cache.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_debug.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_dtls.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_encode.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_event.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_io.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_mem.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_net.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_option.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_pdu.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_prng.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_proxy.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_resource.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_session.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_str.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_subscribe.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_supported.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_time.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_uri.h
${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}/coap_ws.h)
target_include_directories(
${COAP_LIBRARY_NAME}
PUBLIC # config headers are generated during configuration time
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include/>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/>
$<INSTALL_INTERFACE:include/>
$<$<AND:$<BOOL:${COAP_WITH_LIBTINYDTLS}>,$<BOOL:${USE_VENDORED_TINYDTLS}>>:${CMAKE_BINARY_DIR}/include/tinydtls>
$<$<BOOL:${COAP_WITH_LIBGNUTLS}>:${GNUTLS_INCLUDE_DIR}>
$<$<BOOL:${COAP_WITH_LIBMBEDTLS}>:${MBEDTLS_INCLUDE_DIRS}>
$<$<BOOL:${COAP_WITH_LIBWOLFSSL}>:${WOLFSSL_INCLUDE_DIR}>)
target_link_libraries(
${COAP_LIBRARY_NAME}
PUBLIC $<$<BOOL:${COAP_WITH_LIBOPENSSL}>:OpenSSL::SSL>
$<$<BOOL:${COAP_WITH_LIBOPENSSL}>:OpenSSL::Crypto>
$<$<BOOL:${COAP_WITH_LIBGNUTLS}>:${GNUTLS_LIBRARIES}>
$<$<BOOL:${COAP_WITH_LIBTINYDTLS}>:tinydtls>
$<$<BOOL:${COAP_WITH_LIBMBEDTLS}>:${MBEDTLS_LIBRARY}>
$<$<BOOL:${COAP_WITH_LIBMBEDTLS}>:${MBEDX509_LIBRARY}>
$<$<BOOL:${COAP_WITH_LIBMBEDTLS}>:${MBEDCRYPTO_LIBRARY}>
$<$<BOOL:${COAP_WITH_LIBWOLFSSL}>:${WOLFSSL_LIBRARY}>
$<$<BOOL:${MINGW}>:ws2_32>)
target_compile_options(
${COAP_LIBRARY_NAME}
PUBLIC -DLIBCOAP_PACKAGE_BUILD="${LIBCOAP_PACKAGE_BUILD}")
if(ZEPHYR_BASE)
target_compile_options(
${COAP_LIBRARY_NAME}
PUBLIC -DMBEDTLS_CONFIG_FILE="${CONFIG_MBEDTLS_CFG_FILE}" -I${ZEPHYR_MBEDTLS_CMAKE_DIR}/configs)
endif()
add_library(
${PROJECT_NAME}::${COAP_LIBRARY_NAME}
ALIAS
${COAP_LIBRARY_NAME})
#
# tests
#
if(ENABLE_TESTS)
add_executable(
testdriver
${CMAKE_CURRENT_LIST_DIR}/tests/testdriver.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_common.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_encode.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_encode.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_error_response.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_error_response.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_options.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_options.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_oscore.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_oscore.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_pdu.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_pdu.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_sendqueue.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_sendqueue.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_session.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_session.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_tls.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_tls.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_uri.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_uri.h
${CMAKE_CURRENT_LIST_DIR}/tests/test_wellknown.c
${CMAKE_CURRENT_LIST_DIR}/tests/test_wellknown.h)
# tests require libcunit (e.g. debian libcunit1-dev)
target_link_libraries(testdriver PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME}
-lcunit)
endif()
#
# examples
#
if(ENABLE_EXAMPLES)
add_executable(coap-client ${CMAKE_CURRENT_LIST_DIR}/examples/coap-client.c)
target_link_libraries(coap-client
PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME})
add_executable(coap-rd ${CMAKE_CURRENT_LIST_DIR}/examples/coap-rd.c)
target_include_directories(coap-rd
PRIVATE
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/coap${LIBCOAP_API_VERSION}>)
target_link_libraries(coap-rd PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME})
add_executable(coap-server ${CMAKE_CURRENT_LIST_DIR}/examples/coap-server.c)
target_link_libraries(coap-server
PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME})
if(NOT WIN32 AND NOT MINGW)
add_executable(etsi_iot_01 ${CMAKE_CURRENT_LIST_DIR}/examples/etsi_iot_01.c)
target_link_libraries(etsi_iot_01
PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME})
add_executable(tiny ${CMAKE_CURRENT_LIST_DIR}/examples/tiny.c)
target_link_libraries(tiny PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME})
add_executable(oscore-interop-server
${CMAKE_CURRENT_LIST_DIR}/examples/oscore-interop-server.c)
target_link_libraries(oscore-interop-server
PUBLIC ${PROJECT_NAME}::${COAP_LIBRARY_NAME})
endif()
endif()
#
# docs
#
if(ENABLE_DOCS)
find_package(Doxygen)
if(Doxygen_FOUND)
# set input and output files
set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/doc/Doxyfile.in)
set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
# Make necessary temporary directories
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc/man_tmp)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc/man_html)
# request to configure the file
configure_file(
${DOXYGEN_IN}
${DOXYGEN_OUT}
@ONLY)
# note the option ALL which allows to build the docs together with the
# application
add_custom_target(
doc_doxygen ALL
COMMAND ${DOXYGEN_EXECUTABLE} -u > /dev/null 2>&1
COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen"
VERBATIM)
message(STATUS "Setup up the Doxygen documention build")
else(Doxygen_FOUND)
message(
WARNING
"Doxygen need to be installed to generate the doxygen documentation")
endif(Doxygen_FOUND)
endif()
#
# install
#
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
set(LIBCOAP_CONFIG_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
install(
TARGETS ${COAP_LIBRARY_NAME}
EXPORT ${PROJECT_NAME}Targets
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT lib
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT lib)
if(NOT ZEPHYR_BASE)
install(
EXPORT ${PROJECT_NAME}Targets
DESTINATION ${LIBCOAP_CONFIG_INSTALL_DIR}
NAMESPACE ${PROJECT_NAME}::
COMPONENT dev)
endif()
configure_package_config_file(
cmake/Config.cmake.in
${PROJECT_NAME}Config.cmake
INSTALL_DESTINATION
${LIBCOAP_CONFIG_INSTALL_DIR})
write_basic_package_version_file(
${PROJECT_NAME}ConfigVersion.cmake
COMPATIBILITY SameMajorVersion)
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${LIBCOAP_CONFIG_INSTALL_DIR}