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CMakeLists.txt
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CMakeLists.txt
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#
# Copyright 2024 Staysail Systems, Inc. <[email protected]>
# Copyright (c) 2012 Martin Sustrik All rights reserved.
# Copyright (c) 2013 GoPivotal, Inc. All rights reserved.
# Copyright (c) 2015-2016 Jack R. Dunaway. All rights reserved.
# Copyright 2016 Franklin "Snaipe" Mathieu <[email protected]>
# Copyright 2018 Capitar IT Group BV <[email protected]>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
cmake_minimum_required(VERSION 3.15)
project(nng C)
include(CheckCCompilerFlag)
include(GNUInstallDirs)
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
include(NNGHelpers)
include(NNGOptions)
set(CMAKE_C_STANDARD 99)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
if ("${isSystemDir}" STREQUAL "-1")
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
endif ("${isSystemDir}" STREQUAL "-1")
set(NNG_DESCRIPTION "High-Performance Scalability Protocols NextGen")
set(ISSUE_REPORT_MSG "Please consider opening an issue at https://github.com/nanomsg/nng")
# Determine library versions.
file(READ "include/nng/nng.h" nng_ver_h)
string(REGEX MATCH "NNG_MAJOR_VERSION ([0-9]*)" _ ${nng_ver_h})
set(NNG_MAJOR_VERSION ${CMAKE_MATCH_1})
string(REGEX MATCH "NNG_MINOR_VERSION ([0-9]*)" _ ${nng_ver_h})
set(NNG_MINOR_VERSION ${CMAKE_MATCH_1})
string(REGEX MATCH "NNG_PATCH_VERSION ([0-9]*)" _ ${nng_ver_h})
set(NNG_PATCH_VERSION ${CMAKE_MATCH_1})
string(REGEX MATCH "NNG_RELEASE_SUFFIX \"([a-z0-9]*)\"" _ ${nng_ver_h})
set(NNG_DEV_VERSION ${CMAKE_MATCH_1})
if (NNG_DEV_VERSION)
message(STATUS "This is a prelease.")
set(NNG_PRERELEASE "-${NNG_DEV_VERSION}")
endif ()
set(NNG_ABI_SOVERSION 1)
set(NNG_ABI_VERSION "${NNG_MAJOR_VERSION}.${NNG_MINOR_VERSION}.${NNG_PATCH_VERSION}${NNG_PRERELEASE}")
set(NNG_PACKAGE_VERSION "${NNG_ABI_VERSION}")
message(STATUS "Configuring for NNG version ${NNG_ABI_VERSION}")
# User-defined options.
# This prefix is appended to by subdirectories, so that each test
# gets named based on where it is in the tree.
set(NNG_TEST_PREFIX nng)
# Enable access to private APIs for our own use.
add_definitions(-DNNG_PRIVATE)
if (NOT (BUILD_SHARED_LIBS))
set(NNG_STATIC_LIB ON)
message(STATUS "Building static libs.")
endif ()
# These are library targets. The "nng" library is the main public library.
# The "nng_testing" is a full build of the library for test cases
# only, which is done statically and includes even portions of the code
# that are not part of the public library (things that may have been elided.)
# The "nng_private" library is an interface that allows some internal tools
# to obtain details about how the public library was built, so that we can
# include or not include code based on what's actually present.
add_library(nng)
add_library(nng_testing STATIC EXCLUDE_FROM_ALL)
target_compile_definitions(nng_testing PUBLIC NNG_STATIC_LIB NNG_TEST_LIB NNG_PRIVATE)
add_library(nng_private INTERFACE)
target_compile_definitions(nng_private INTERFACE NNG_PRIVATE)
if (NNG_ELIDE_DEPRECATED)
target_compile_definitions(nng PRIVATE NNG_ELIDE_DEPRECATED)
endif()
# We can use rlimit to configure the stack size for systems
# that have too small defaults. This is not used for Windows,
# which can grow thread stacks sensibly. (Note that NNG can get
# by with a smallish stack, but application callbacks might require
# larger values if using aio completion callbacks. TLS libraries may
# require larger stacks however.)
if (NOT WIN32)
option(NNG_SETSTACKSIZE "Use rlimit for thread stack size" OFF)
if (NNG_SETSTACKSIZE)
add_definitions(-DNNG_SETSTACKSIZE)
endif ()
mark_as_advanced(NNG_SETSTACKSIZE)
endif ()
nng_defines_if(NNG_ENABLE_STATS NNG_ENABLE_STATS)
# IPv6 enable
nng_defines_if(NNG_ENABLE_IPV6 NNG_ENABLE_IPV6)
set(NNG_RESOLV_CONCURRENCY 4 CACHE STRING "Resolver (DNS) concurrency.")
mark_as_advanced(NNG_RESOLV_CONCURRENCY)
if (NNG_RESOLV_CONCURRENCY)
add_definitions(-DNNG_RESOLV_CONCURRENCY=${NNG_RESOLV_CONCURRENCY})
endif ()
set(NNG_NUM_TASKQ_THREADS 0 CACHE STRING "Fixed number of task threads, 0 for automatic")
mark_as_advanced(NNG_NUM_TASKQ_THREADS)
if (NNG_NUM_TASKQ_THREADS)
add_definitions(-DNNG_NUM_TASKQ_THREADS=${NNG_NUM_TASKQ_THREADS})
endif ()
set(NNG_MAX_TASKQ_THREADS 16 CACHE STRING "Upper bound on task threads, 0 for no limit")
mark_as_advanced(NNG_MAX_TASKQ_THREADS)
if (NNG_MAX_TASKQ_THREADS)
add_definitions(-DNNG_MAX_TASKQ_THREADS=${NNG_MAX_TASKQ_THREADS})
endif ()
# Expire threads. This runs the timeout handling, and having more of them
# reduces contention on the common locks used for aio expiration.
set(NNG_NUM_EXPIRE_THREADS 0 CACHE STRING "Fixed number of expire threads, 0 for automatic")
mark_as_advanced(NNG_NUM_EXPIRE_THREADS)
if (NNG_NUM_EXPIRE_THREADS)
add_definitions(-DNNG_NUM_EXPIRE_THREADS=${NNG_NUM_EXPIRE_THREADS})
endif ()
set(NNG_MAX_EXPIRE_THREADS 8 CACHE STRING "Upper bound on expire threads, 0 for no limit")
mark_as_advanced(NNG_MAX_EXPIRE_THREADS)
if (NNG_MAX_EXPIRE_THREADS)
add_definitions(-DNNG_MAX_EXPIRE_THREADS=${NNG_MAX_EXPIRE_THREADS})
endif()
# Poller threads. These threads run the pollers. This is mostly used
# on Windows right now, as the POSIX platforms use a single threaded poller.
set(NNG_NUM_POLLER_THREADS 0 CACHE STRING "Fixed number of I/O poller threads, 0 for automatic")
if (NNG_NUM_POLLER_THREADS)
add_definitions(-DNNG_NUM_POLLER_THREADS=${NNG_NUM_POLLER_THREADS})
endif ()
mark_as_advanced(NNG_NUM_POLLER_THREADS)
set(NNG_MAX_POLLER_THREADS 8 CACHE STRING "Upper bound on I/O poller threads, 0 for no limit")
mark_as_advanced(NNG_MAX_POLLER_THREADS)
if (NNG_MAX_POLLER_THREADS)
add_definitions(-DNNG_MAX_POLLER_THREADS=${NNG_MAX_POLLER_THREADS})
endif()
# Platform checks.
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(NNG_WARN_FLAGS "-Wall -Wextra -fno-omit-frame-pointer")
elseif (CMAKE_C_COMPILER_ID MATCHES "Clang")
set(NNG_WARN_FLAGS "-Wall -Wextra -fno-omit-frame-pointer")
endif ()
include(CheckSanitizer)
CheckSanitizer()
if (NOT NNG_SANITIZER STREQUAL "none")
set(NNG_SANITIZER_FLAGS "-fsanitize=${NNG_SANITIZER}")
add_definitions(-DNNG_SANITIZER)
endif ()
if (NNG_ENABLE_COVERAGE)
# NB: This only works for GCC and Clang 3.0 and newer. If your stuff
# is older than that, you will need to find something newer. For
# correct reporting, we always turn off all optimizations.
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(NNG_COVERAGE_C_FLAGS "-g -O0 --coverage")
set(CMAKE_SHARED_LINKER_FLAGS --coverage)
elseif (CMAKE_C_COMPILER_ID MATCHES "Clang")
set(NNG_COVERAGE_C_FLAGS "-g -O0 --coverage")
set(CMAKE_SHARED_LINKER_FLAGS --coverage)
else ()
message(FATAL_ERROR "Unable to enable coverage for your compiler.")
endif ()
add_definitions(-DNNG_CONVERAGE)
endif ()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${NNG_WARN_FLAGS} ${NNG_COVERAGE_C_FLAGS} ${NNG_SANITIZER_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${NNG_WARN_FLAGS} ${NNG_COVERAGE_C_FLAGS} ${NNG_SANITIZER_FLAGS}")
# If the compiler is not on Windows, does it support hiding the
# symbols by default? For shared libraries we would like to do this.
if (NOT WIN32 AND NOT CYGWIN)
check_c_compiler_flag(-fvisibility=hidden NNG_HIDDEN_VISIBILITY)
if (NNG_HIDDEN_VISIBILITY)
add_definitions(-DNNG_HIDDEN_VISIBILITY)
endif ()
endif ()
# Detect endianness -- this only handles little and big endian.
# PDP users, sorry, but you're out of luck.'
if (DEFINED CMAKE_LANG_C_BYTE_ORDER)
if (CMAKE_LANG_BYTE_ORDER EQUAL BIG_ENDIAN)
add_definitions(-DNNG_BIG_ENDIAN=1)
else()
add_definitions(-DNNG_LITTLE_ENDIAN=1)
endif()
else()
include(TestBigEndian)
test_big_endian(NNG_BIG_ENDIAN)
if (NNG_BIG_ENDIAN)
add_definitions(-DNNG_BIG_EDNDIAN=1)
else()
add_definitions(-DNNG_LITTLE_ENDIAN=1)
endif()
endif()
if (CMAKE_SYSTEM_NAME MATCHES "Linux")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_LINUX)
add_definitions(-DNNG_USE_EVENTFD)
add_definitions(-DNNG_HAVE_ABSTRACT_SOCKETS)
# Windows subsystem for Linux -- smells like Linux, but it has
# some differences (SO_REUSEADDR for one).
if (CMAKE_SYSTEM_VERSION MATCHES "Microsoft")
add_definitions(-DNNG_PLATFORM_WSL)
endif ()
set(NNG_PLATFORM_POSIX ON)
elseif (CMAKE_SYSTEM_NAME MATCHES "Android")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_LINUX)
add_definitions(-DNNG_PLATFORM_ANDROID)
add_definitions(-DNNG_USE_EVENTFD)
set(NNG_PLATFORM_POSIX ON)
elseif (APPLE)
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_DARWIN)
set(NNG_PLATFORM_POSIX ON)
elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_FREEBSD)
set(NNG_PLATFORM_POSIX ON)
elseif (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_NETBSD)
set(NNG_PLATFORM_POSIX ON)
elseif (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_OPENBSD)
set(NNG_PLATFORM_POSIX ON)
elseif (CMAKE_SYSTEM_NAME MATCHES "SunOS")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-DNNG_PLATFORM_SUNOS)
set(NNG_PLATFORM_POSIX ON)
elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
add_definitions(-DNNG_PLATFORM_WINDOWS)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_RAND_S)
set(NNG_PLATFORM_WINDOWS ON)
# Target Windows Vista and later
add_definitions(-D_WIN32_WINNT=0x0600)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_WIN32_WINNT=0x0600)
elseif (CMAKE_SYSTEM_NAME MATCHES "QNX")
add_definitions(-DNNG_PLATFORM_POSIX)
add_definitions(-D__EXT_BSD)
add_definitions(-D_QNX_SOURCE)
add_definitions(-DNNG_PLATFORM_QNX)
set(NNG_PLATFORM_POSIX ON)
else ()
message(AUTHOR_WARNING "WARNING: This platform may not be supported: ${CMAKE_SYSTEM_NAME}")
message(AUTHOR_WARNING "${ISSUE_REPORT_MSG}")
# blithely hope for POSIX to work
add_definitions(-DNNG_PLATFORM_POSIX)
set(NNG_PLATFORM_POSIX ON)
endif ()
if (NNG_ENABLE_TLS)
add_definitions(-DNNG_SUPP_TLS)
endif ()
if (NNG_TESTS)
enable_testing()
set(all_tests, "")
endif ()
add_subdirectory(src)
if (NNG_TESTS)
add_subdirectory(tests)
endif ()
# Build the tools
add_subdirectory(docs/man)
set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
set(CPACK_PACKAGE_VERSION ${NNG_PACKAGE_VERSION})
set(CPACK_PACKAGE_CONTACT "[email protected]")
set(CPACK_PACKAGE_VENDOR "nanomsg.org")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "nanomsg next generation library")
set(CPACK_SOURCE_GENERATOR "TBZ2;TGZ;ZIP")
set(CPACK_SOURCE_IGNORE_FILES "/build/;/.git/;~$;${CPACK_SOURCE_IGNORE_FILES}")
set(CPACK_SOURCE_PACKAGE_FILE_NAME
"${PROJECT_NAME}-v${NNG_PACKAGE_VERSION}-src")
set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt)
set(CPACK_PACKAGE_INSTALL_DIRECTORY "nng")
set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-v${NNG_PACKAGE_VERSION}")
add_custom_target(dist COMMAND ${CMAKE_MAKE_PROGRAM} package_source)
include(CPack)