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CMakeLists.txt
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#
# libwebsockets - small server side websockets and web server implementation
#
# Copyright (C) 2010 - 2022 Andy Green <andy@warmcat.com>
#
# 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) # required for MSVC_RUNTIME
include(CheckFunctionExists)
include(CheckSymbolExists)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckCSourceCompiles)
if (PICO_SDK_PATH)
include(cmake/pico_sdk_import.cmake)
endif()
if (POLICY CMP0048)
cmake_policy(SET CMP0048 NEW)
endif()
#if (POLICY CMP0024)
# cmake_policy(SET CMP0024 NEW)
#endif()
if (POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
# General Advice
#
# For selecting between DEBUG / RELEASE, use -DCMAKE_BUILD_TYPE=DEBUG or =RELEASE
# debug builds include source level debug info and extra logging
set(LWS_WITH_BUNDLED_ZLIB_DEFAULT OFF)
if(WIN32)
set(LWS_WITH_BUNDLED_ZLIB_DEFAULT ON)
endif()
set(LWS_ROLE_RAW 1)
set(LWS_WITH_POLL 1)
if (ESP_PLATFORM)
set(LWS_ESP_PLATFORM 1)
#set(CMAKE_TOOLCHAIN_FILE contrib/cross-esp32.cmake)
set(LWIP_PROVIDE_ERRNO 1)
endif()
# it's at this point any toolchain file is brought in
project(libwebsockets C)
if (LWS_WITH_SECURE_STREAMS_CPP)
enable_language(CXX)
endif()
include(CTest)
if (PICO_SDK_PATH)
pico_sdk_init()
endif()
if (ESP_PLATFORM)
include_directories(
$ENV{IDF_PATH}/components/esp_hw_support/include/soc/
$ENV{IDF_PATH}/components/freertos/include/
$ENV{IDF_PATH}/components/freertos/esp_additions/include/
$ENV{IDF_PATH}/components/freertos/esp_additions/include/freertos/
$ENV{IDF_PATH}/components/freertos/FreeRTOS-Kernel/include/
$ENV{IDF_PATH}/components/freertos/FreeRTOS-Kernel/portable/linux/include/
$ENV{IDF_PATH}/components/xtensa/${CONFIG_IDF_TARGET}/include/
$ENV{IDF_PATH}/components/freertos/include/esp_additions
$ENV{IDF_PATH}/components/hal/include
$ENV{IDF_PATH}/components/soc/${CONFIG_IDF_TARGET}/include/
$ENV{IDF_PATH}/components/soc/include/
$ENV{IDF_PATH}/components/esp_hw_support/include
$ENV{IDF_PATH}/components/hal/${CONFIG_IDF_TARGET}/include/
$ENV{IDF_PATH}/components/app_update/include/
$ENV{IDF_PATH}/components/bootloader_support/include
)
if (CONFIG_IDF_TARGET_ARCH_RISCV)
include_directories(
$ENV{IDF_PATH}/components/freertos/port/riscv/include
$ENV{IDF_PATH}/components/riscv/include)
else()
include_directories(
$ENV{IDF_PATH}/components/freertos/port/xtensa/include
$ENV{IDF_PATH}/components/xtensa/include)
endif()
endif()
#
# Select features recommended for PC distro packaging
#
option(LWS_WITH_DISTRO_RECOMMENDED "Enable features recommended for distro packaging" OFF)
option(LWS_FOR_GITOHASHI "Enable features recommended for use with gitohashi" OFF)
#
# Compiler features
#
option(DISABLE_WERROR "Avoid treating compiler warnings as fatal errors" OFF)
#
# Major individual features
#
option(LWS_WITH_NETWORK "Compile with network-related code" ON)
option(LWS_ROLE_H1 "Compile with support for http/1 (needed for ws)" ON)
option(LWS_ROLE_WS "Compile with support for websockets" ON)
option(LWS_ROLE_MQTT "Build with support for MQTT client" OFF)
option(LWS_ROLE_DBUS "Compile with support for DBUS" OFF)
option(LWS_ROLE_RAW_PROXY "Raw packet proxy" OFF)
option(LWS_ROLE_RAW_FILE "Compile with support for raw files" ON)
option(LWS_WITH_HTTP2 "Compile with server support for HTTP/2" ON)
option(LWS_WITH_LWSWS "Libwebsockets Webserver" OFF)
option(LWS_WITH_CGI "Include CGI (spawn process with network-connected stdin/out/err) APIs" OFF)
option(LWS_IPV6 "Compile with support for ipv6" OFF)
option(LWS_UNIX_SOCK "Compile with support for UNIX domain socket if OS supports it" ON)
option(LWS_WITH_PLUGINS "Support plugins for protocols and extensions (implies LWS_WITH_PLUGINS_API)" OFF)
option(LWS_WITH_PLUGINS_BUILTIN "Build the plugin protocols directly into lws library" OFF)
option(LWS_WITH_HTTP_PROXY "Support for active HTTP proxying" OFF)
option(LWS_WITH_ZIP_FOPS "Support serving pre-zipped files" OFF)
option(LWS_WITH_SOCKS5 "Allow use of SOCKS5 proxy on client connections" OFF)
option(LWS_WITH_PEER_LIMITS "Track peers and restrict resources a single peer can allocate" OFF)
option(LWS_WITH_ACCESS_LOG "Support generating Apache-compatible access logs" OFF)
option(LWS_WITH_RANGES "Support http ranges (RFC7233)" OFF)
option(LWS_WITH_THREADPOOL "Managed worker thread pool support (relies on pthreads)" OFF)
option(LWS_WITH_HTTP_STREAM_COMPRESSION "Support HTTP stream compression" OFF)
option(LWS_WITH_HTTP_BROTLI "Also offer brotli http stream compression (requires LWS_WITH_HTTP_STREAM_COMPRESSION)" OFF)
option(LWS_WITH_ACME "Enable support for ACME automatic cert acquisition + maintenance (letsencrypt etc)" OFF)
option(LWS_WITH_HUBBUB "Enable libhubbub rewriting support" OFF)
option(LWS_WITH_ALSA "Enable alsa audio example" OFF)
option(LWS_WITH_GTK "Enable gtk example" OFF)
option(LWS_WITH_FTS "Full Text Search support" OFF)
option(LWS_WITH_SYS_ASYNC_DNS "Nonblocking internal IPv4 + IPv6 DNS resolver" OFF)
option(LWS_WITH_SYS_NTPCLIENT "Build in tiny ntpclient good for tls date validation and run via lws_system" OFF)
option(LWS_WITH_SYS_DHCP_CLIENT "Build in tiny DHCP client" OFF)
option(LWS_WITH_HTTP_BASIC_AUTH "Support Basic Auth" ON)
option(LWS_WITH_HTTP_UNCOMMON_HEADERS "Include less common http header support" ON)
option(LWS_WITH_SYS_STATE "lws_system state support" ON)
option(LWS_WITH_SYS_SMD "Lws System Message Distribution" ON)
option(LWS_WITH_SYS_FAULT_INJECTION "Enable fault injection support" OFF)
option(LWS_WITH_SYS_METRICS "Lws Metrics API" OFF)
option(LWS_WITH_UPNG "Enable stateful PNG stream decoder" ON)
option(LWS_WITH_GZINFLATE "Enable internal minimal gzip inflator" ON)
option(LWS_WITH_JPEG "Enable stateful JPEG stream decoder" ON)
option(LWS_WITH_DLO "Enable Display List Objects" ON)
#
# Secure Streams
#
option(LWS_WITH_SECURE_STREAMS "Secure Streams protocol-agnostic API" ON)
option(LWS_WITH_SECURE_STREAMS_CPP "Secure Streams C++ classes" OFF)
option(LWS_WITH_SECURE_STREAMS_PROXY_API "Secure Streams support to work across processes" OFF)
option(LWS_WITH_SECURE_STREAMS_SYS_AUTH_API_AMAZON_COM "Auth support for api.amazon.com" OFF)
option(LWS_WITH_SECURE_STREAMS_STATIC_POLICY_ONLY "Secure Streams Policy is hardcoded only" OFF)
option(LWS_WITH_SECURE_STREAMS_AUTH_SIGV4 "Secure Streams Auth support for AWS Sigv4" OFF)
option(LWS_WITH_SECURE_STREAMS_BUFFER_DUMP "Secure Streams protocol buffer dump" OFF)
option(LWS_WITH_SS_DIRECT_PROTOCOL_STR "Secure Streams directly set/get metadata w/o policy" OFF)
option(LWS_ONLY_SSPC "Remove everything from library except standalone SSPC client support" OFF)
#
# CTest options
#
#
# If you build with LWS_WITH_MINIMAL_EXAMPLES, you can use CTest / make test to run
# examples that can give a pass/fail response. By default it runs tests both against
# a local server peer and warmcat.com, if your CI wants to do the tests but does not
# have internet routing, then you can still run a subset of tests with CTest / make
# test that only does local tests by disabling this option.
#
option(LWS_CTEST_INTERNET_AVAILABLE "CTest will performs tests that need the Internet" ON)
#
# TLS library options... all except mbedTLS are basically OpenSSL variants.
#
option(LWS_WITH_SSL "Include SSL support (defaults to OpenSSL or similar, mbedTLS if LWS_WITH_MBEDTLS is set)" ON)
option(LWS_WITH_MBEDTLS "Use mbedTLS (>=2.0) replacement for OpenSSL. When setting this, you also may need to specify LWS_MBEDTLS_LIBRARIES and LWS_MBEDTLS_INCLUDE_DIRS" OFF)
option(LWS_WITH_BORINGSSL "Use BoringSSL replacement for OpenSSL" OFF)
option(LWS_WITH_CYASSL "Use CyaSSL replacement for OpenSSL. When setting this, you also need to specify LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS" OFF)
option(LWS_WITH_WOLFSSL "Use wolfSSL replacement for OpenSSL. When setting this, you also may need to specify LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS" OFF)
option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
option(LWS_TLS_LOG_PLAINTEXT_RX "For debugging log the received plaintext as soon as decrypted" OFF)
option(LWS_TLS_LOG_PLAINTEXT_TX "For debugging log the transmitted plaintext just before encryption" OFF)
option(LWS_WITH_TLS_SESSIONS "Enable persistent, resumable TLS sessions" ON)
option(LWS_WITH_TLS_JIT_TRUST "Enable dynamically computing which trusted TLS CA is needed to be instantiated" OFF)
#
# Event library options (may select multiple, or none for default poll()
#
option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
option(LWS_WITH_LIBUV "Compile with support for libuv" OFF)
option(LWS_WITH_LIBEVENT "Compile with support for libevent" OFF)
option(LWS_WITH_GLIB "Compile with support for glib event loop" OFF)
option(LWS_WITH_SDEVENT "Compile with support for sd-event loop" OFF)
option(LWS_WITH_ULOOP "Compile with support for uloop" OFF)
if (UNIX)
# since v4.1, on unix platforms default is build any event libs as runtime plugins
option(LWS_WITH_EVLIB_PLUGINS "Compile event lib support into runtime-selected plugins" ON)
else()
# otherwise default to linking the event lib(s) to libwebsockets.so
option(LWS_WITH_EVLIB_PLUGINS "Compile event lib support into runtime-selected plugins" OFF)
endif()
#
# LWS Drivers
#
option(LWS_WITH_DRIVERS "With generic drivers for gpio, i2c, display etc" OFF)
#
# Static / Dynamic build options
#
option(LWS_WITH_STATIC "Build the static version of the library" ON)
option(LWS_WITH_SHARED "Build the shared version of the library" ON)
option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
option(LWS_STATIC_PIC "Build the static version of the library with position-independent code" OFF)
option(LWS_SUPPRESS_DEPRECATED_API_WARNINGS "Turn off complaints about, eg, openssl 3 deprecated api usage" ON)
#
# Specific platforms
#
option(LWS_WITH_ESP32 "Build for ESP32" OFF)
option(LWS_PLAT_OPTEE "Build for OPTEE" OFF)
option(LWS_PLAT_FREERTOS "Build for FreeRTOS" OFF)
option(LWS_PLAT_ANDROID "Android flavour of unix platform" OFF)
option(LWS_PLAT_BAREMETAL "Build for deeply embedded baremetal" OFF)
#
# Client / Server / Test Apps build control
#
option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
#
# Extensions (permessage-deflate)
#
option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" ON)
#
# Helpers + misc
#
option(LWS_WITHOUT_BUILTIN_GETIFADDRS "Don't use the BSD getifaddrs implementation from libwebsockets if it is missing (this will result in a compilation error) ... The default is to assume that your libc provides it. On some systems such as uclibc it doesn't exist." OFF)
option(LWS_FALLBACK_GETHOSTBYNAME "Also try to do dns resolution using gethostbyname if getaddrinfo fails" OFF)
option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
option(LWS_SSL_SERVER_WITH_ECDH_CERT "Include SSL server use ECDH certificate" OFF)
option(LWS_WITH_LEJP "With the Lightweight JSON Parser" ON)
option(LWS_WITH_CBOR "With the Lightweight LECP CBOR Parser" OFF)
option(LWS_WITH_CBOR_FLOAT "Build floating point types if building CBOR LECP" ON)
option(LWS_WITH_SQLITE3 "Require SQLITE3 support" OFF)
option(LWS_WITH_LHP "With the Lightweight HTML5 parser" ON)
option(LWS_WITH_STRUCT_JSON "Generic struct serialization to and from JSON" OFF)
option(LWS_WITH_STRUCT_SQLITE3 "Generic struct serialization to and from SQLITE3" OFF)
option(LWS_WITH_JSONRPC "JSON RPC support" ON)
# broken atm
#option(LWS_WITH_SMTP "Provide SMTP support" OFF)
if (LWS_WITH_ESP32)
option(LWS_WITH_DIR "Directory scanning api support" OFF)
option(LWS_WITH_LEJP_CONF "With LEJP configuration parser as used by lwsws" OFF)
else()
option(LWS_WITH_DIR "Directory scanning api support" ON)
option(LWS_WITH_LEJP_CONF "With LEJP configuration parser as used by lwsws" ON)
endif()
option(LWS_WITH_NO_LOGS "Disable all logging other than _err and _user from being compiled in" OFF)
set(LWS_LOGGING_BITFIELD_SET 0 CACHE STRING "Bitfield describing which log levels to force included into the build")
set(LWS_LOGGING_BITFIELD_CLEAR 0 CACHE STRING "Bitfield describing which log levels to force removed from the build")
option(LWS_LOGS_TIMESTAMP "Timestamp at start of logs" ON)
option(LWS_LOG_TAG_LIFECYCLE "Log tagged object lifecycle as NOTICE" ON)
option(LWS_AVOID_SIGPIPE_IGN "Android 7+ reportedly needs this" OFF)
option(LWS_WITH_JOSE "JOSE JSON Web Signature / Encryption / Keys (RFC7515/6/) API" OFF)
option(LWS_WITH_COSE "COSE CBOR Signature / Encryption / Keys (RFC8152) API" OFF)
option(LWS_WITH_GENCRYPTO "Enable support for Generic Crypto apis independent of TLS backend" OFF)
option(LWS_WITH_SELFTESTS "Selftests run at context creation" OFF)
option(LWS_WITH_GCOV "Build with gcc gcov coverage instrumentation" OFF)
option(LWS_WITH_EXPORT_LWSTARGETS "Export libwebsockets CMake targets. Disable if they conflict with an outer cmake project." ON)
option(LWS_REPRODUCIBLE "Build libwebsockets reproducible. It removes the build user and hostname from the build" ON)
if (ESP_PLATFORM OR LWS_WITH_ESP32 OR LWS_PLAT_BAREMETAL OR LWS_PLAT_FREERTOS)
option(LWS_WITH_MINIMAL_EXAMPLES "Also build the normally standalone minimal examples, for QA" OFF)
else()
option(LWS_WITH_MINIMAL_EXAMPLES "Also build the normally standalone minimal examples, for QA" ON)
endif()
option(LWS_WITH_LWSAC "lwsac Chunk Allocation api" ON)
option(LWS_WITH_CUSTOM_HEADERS "Store and allow querying custom HTTP headers (H1 only)" ON)
option(LWS_WITH_DISKCACHE "Hashed cache directory with lazy LRU deletion to size limit (unrelated to lws_cache_ttl)" OFF)
option(LWS_WITH_ASAN "Build with gcc runtime sanitizer options enabled (needs libasan)" OFF)
option(LWS_WITH_LEJP_CONF "With LEJP configuration parser as used by lwsws" OFF)
option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" OFF)
option(LWS_WITH_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_WITH_BUNDLED_ZLIB_DEFAULT})
option(LWS_WITH_MINIZ "Use miniz instead of zlib" OFF)
option(LWS_WITH_EXTERNAL_POLL "Support external POLL integration using callback messages (not recommended)" OFF)
option(LWS_WITH_LWS_DSH "Support lws_dsh_t Disordered Shared Heap" OFF)
option(LWS_CLIENT_HTTP_PROXYING "Support external http proxies for client connections" ON)
option(LWS_WITH_FILE_OPS "Support file operations vfs" ON)
option(LWS_WITH_UDP "Platform supports UDP" ON)
option(LWS_WITH_SPAWN "Spawn subprocesses with piped stdin/out/stderr" OFF)
option(LWS_WITH_FSMOUNT "Overlayfs and fallback mounting apis" OFF)
option(LWS_WITH_FANALYZER "Enable gcc -fanalyzer if compiler supports" OFF)
option(LWS_HTTP_HEADERS_ALL "Override header reduction optimization and include all like older lws versions" OFF)
option(LWS_WITH_SUL_DEBUGGING "Enable zombie lws_sul checking on object deletion" OFF)
option(LWS_WITH_PLUGINS_API "Build generic lws_plugins apis (see LWS_WITH_PLUGINS to also build protocol plugins)" OFF)
option(LWS_WITH_CONMON "Collect introspectable connection latency stats on individual client connections" ON)
option(LWS_WITHOUT_EVENTFD "Force using pipe instead of eventfd" OFF)
if (UNIX OR WIN32)
option(LWS_WITH_CACHE_NSCOOKIEJAR "Build file-backed lws-cache-ttl that uses netscape cookie jar format (linux-only)" ON)
else()
option(LWS_WITH_CACHE_NSCOOKIEJAR "Build file-backed lws-cache-ttl that uses netscape cookie jar format (linux-only)" OFF)
endif()
if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
option(LWS_WITH_NETLINK "Monitor Netlink for Routing Table changes" ON)
else()
set(LWS_WITH_NETLINK 0)
endif()
option(LWS_WITH_MCUFONT_ENCODER "Build the ttf to mcufont encoder" OFF)
#
# Compressed backtraces
#
option(LWS_WITH_COMPRESSED_BACKTRACES "Build with support for compressed backtraces" OFF)
set(LWS_COMPRESSED_BACKTRACES_SNIP_PRE 2 CACHE STRING "Amount of callstack to snip from top")
set(LWS_COMPRESSED_BACKTRACES_SNIP_POST 1 CACHE STRING "Amount of callstack to snip from bottom")
option(LWS_WITH_ALLOC_METADATA_LWS "Build lws_*alloc() with compressed backtraces (requires WITH_COMPRESSED_BACKTRACES)" OFF)
#
# Over The Air updates
#
option(LWS_WITH_OTA "Build with support for Over The Air update download and validation" OFF)
set(LWS_OTA_VARIANT "set-LWS_OTA_VARIANT" CACHE STRING "Build Variant ID for OTA filtering")
set(LWS_OTA_PUBLIC_JWK_FILE "$ENV{HOME}/.lws_ota/libwebsockets.org-ota-v1.public.jwk" CACHE STRING "Filepath of public JWK used to validate packages")
if (LWS_WITH_OTA)
file(READ ${LWS_OTA_PUBLIC_JWK_FILE} LWS_OTA_PUBLIC_JWK)
endif()
if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
# its openssl has md5 deprecated
set(LWS_SUPPRESS_DEPRECATED_API_WARNINGS 1)
endif()
#
# to use miniz, enable both LWS_WITH_ZLIB and LWS_WITH_MINIZ
#
# End of user settings
#
# sets of sub-options implied by other options
#
set(LIB_LIST "")
set(LIB_LIST_AT_END)
set(LWS_LIBRARIES)
set(LWS_OPENSSL_SUPPORT 0)
include(CMakeLists-implied-options.txt)
#
# Structural helpers for cmake in subdirs
#
macro(add_subdir_include_directories arg1)
add_subdirectory(${arg1})
include_directories(${_CMAKE_INC_LIST})
endmacro()
macro(exports_to_parent_scope)
set(SOURCES ${SOURCES} PARENT_SCOPE)
if (LIB_LIST)
set(LIB_LIST ${LIB_LIST} PARENT_SCOPE)
endif()
get_property(_CURR DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
set(_CMAKE_INC_LIST ${_CURR} PARENT_SCOPE)
if (LWS_LIB_BUILD_INC_PATHS)
set(LWS_LIB_BUILD_INC_PATHS ${LWS_LIB_BUILD_INC_PATHS} PARENT_SCOPE)
endif()
endmacro()
macro(export_to_parent_intermediate)
set(SOURCES ${SOURCES} PARENT_SCOPE)
if (LIB_LIST)
set(LIB_LIST ${LIB_LIST} PARENT_SCOPE)
endif()
set(_CMAKE_INC_LIST ${_CMAKE_INC_LIST} PARENT_SCOPE)
if (LWS_LIB_BUILD_INC_PATHS)
set(LWS_LIB_BUILD_INC_PATHS ${LWS_LIB_BUILD_INC_PATHS} PARENT_SCOPE)
endif()
endmacro()
#
# Try to find the current Git hash
#
find_package(Git)
if(GIT_EXECUTABLE)
execute_process(
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${GIT_EXECUTABLE}" describe --tags --always
OUTPUT_VARIABLE GIT_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
set(LWS_BUILD_HASH ${GIT_HASH})
# append the build user and hostname
if (NOT LWS_REPRODUCIBLE)
execute_process(
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "whoami"
OUTPUT_VARIABLE GIT_USER
OUTPUT_STRIP_TRAILING_WHITESPACE
)
execute_process(
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "hostname"
OUTPUT_VARIABLE GIT_HOST
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "([^\\])[\\]([^\\])" "\\1\\\\\\\\\\2" GIT_USER ${GIT_USER})
set(LWS_BUILD_HASH ${GIT_USER}@${GIT_HOST}-${GIT_HASH})
endif()
message("Git commit hash: ${LWS_BUILD_HASH}")
endif()
if ("${LWS_BUILD_HASH}" STREQUAL "")
set(LWS_BUILD_HASH "unknown")
endif()
set(PACKAGE "libwebsockets")
set(CPACK_RPM_PACKAGE_LICENSE "MIT")
set(CPACK_PACKAGE_NAME "${PACKAGE}")
set(CPACK_PACKAGE_VERSION_MAJOR "4")
set(CPACK_PACKAGE_VERSION_MINOR "3")
set(CPACK_PACKAGE_VERSION_PATCH_NUMBER "99")
set(CPACK_PACKAGE_VERSION_PATCH "${CPACK_PACKAGE_VERSION_PATCH_NUMBER}-${LWS_BUILD_HASH}")
set(CPACK_PACKAGE_RELEASE 1)
set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
set(CPACK_PACKAGE_CONTACT "andy@warmcat.com")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${CPACK_PACKAGE_VERSION}")
set(SOVERSION "19")
if(NOT CPACK_GENERATOR)
if(UNIX)
set(CPACK_GENERATOR "TGZ")
else()
set(CPACK_GENERATOR "ZIP")
endif()
endif()
set(CPACK_SOURCE_GENERATOR "TGZ")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
set(VERSION "${CPACK_PACKAGE_VERSION}")
set(CPACK_RPM_PACKAGE_RELEASE_DIST ON)
set(CPACK_RPM_FILE_NAME "RPM-DEFAULT")
# below makes path length problems in CI
set(CPACK_RPM_DEBUGINFO_PACKAGE OFF)
# below makes some kind of chimera rpm with binaries and sources
set(CPACK_RPM_PACKAGE_SOURCES OFF)
set(CPACK_RPM_INSTALL_WITH_EXEC ON)
set(CPACK_RPM_COMPONENT_INSTALL ON)
set(CPACK_DEBIAN_FILE_NAME "DEB-DEFAULT")
set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
set(CPACK_DEBIAN_DEBUGINFO_PACKAGE ON)
set(CPACK_DEBIAN_PACKAGE_SOURCE ON)
set(CPACK_DEBIAN_COMPONENT_INSTALL ON)
set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
set(LWS_LIBRARY_VERSION_MAJOR ${CPACK_PACKAGE_VERSION_MAJOR})
set(LWS_LIBRARY_VERSION_MINOR ${CPACK_PACKAGE_VERSION_MINOR})
set(LWS_LIBRARY_VERSION_PATCH ${CPACK_PACKAGE_VERSION_PATCH_NUMBER})
set(LWS_LIBRARY_VERSION_PATCH_ELABORATED ${CPACK_PACKAGE_VERSION_PATCH})
if (NOT CMAKE_MODULE_PATH)
set(CMAKE_MODULE_PATH "")
endif()
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
if (CMAKE_TOOLCHAIN_FILE)
message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
endif()
if (NOT LIB_SUFFIX)
set(LIB_SUFFIX "")
endif()
if (WIN32)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/win32port/version.rc.in ${CMAKE_CURRENT_BINARY_DIR}/win32port/version.rc @ONLY)
set(RESOURCES ${CMAKE_CURRENT_BINARY_DIR}/win32port/version.rc)
endif()
include_directories(include)
# Allow the user to override installation directories.
set(LWS_INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
set(LWS_INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
set(LWS_INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
set(LWS_INSTALL_EXAMPLES_DIR bin CACHE PATH "Installation directory for example files")
# if you gave LWS_WITH_MINIZ, point to MINIZ here if not found
# automatically
set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib/miniz library")
set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib/miniz include directory")
set(LWS_SQLITE3_LIBRARIES CACHE PATH "Path to the sqlite3 library")
set(LWS_SQLITE3_INCLUDE_DIRS CACHE PATH "Path to the sqlite3 include directory")
set(LWS_LIBMOUNT_INCLUDE_DIRS CACHE PATH "Path to the libmount include directory")
set(LWS_LIBMOUNT_LIBRARIES CACHE PATH "Path to the libmount library")
# on unix, these are in the toolchain. On win32 you have to put them somewhere
# yourself and point to them here
set(LWS_EXT_PTHREAD_INCLUDE_DIR CACHE PATH "Path to an external pthreads include directory")
set(LWS_EXT_PTHREAD_LIBRARIES CACHE PATH "Path to an external pthreads library")
if (LWS_WITH_HTTP_STREAM_COMPRESSION)
set(LWS_WITH_ZLIB 1)
endif()
if (LWS_WITH_ZLIB AND NOT LWS_WITH_BUNDLED_ZLIB)
if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
else()
set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
set(ZLIB_FOUND 1)
endif()
endif()
if (LWS_WITH_SQLITE3)
if ("${LWS_SQLITE3_LIBRARIES}" STREQUAL "" OR "${LWS_SQLITE3_INCLUDE_DIRS}" STREQUAL "")
else()
set(SQLITE3_LIBRARIES ${LWS_SQLITE3_LIBRARIES})
set(SQLITE3_INCLUDE_DIRS ${LWS_SQLITE3_INCLUDE_DIRS})
set(SQLITE3_FOUND 1)
endif()
endif()
include_directories("${PROJECT_BINARY_DIR}")
# Check for different inline keyword versions.
foreach(KEYWORD "inline" "__inline__" "__inline")
set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
CHECK_C_SOURCE_COMPILES(
"
#include <stdio.h>
static KEYWORD void a() {}
int main(int argc, char **argv) { a(); return 0; }
" LWS_HAVE_${KEYWORD})
endforeach()
if (NOT LWS_HAVE_inline)
if (LWS_HAVE___inline__)
set(inline __inline__)
elseif(LWS_HAVE___inline)
set(inline __inline)
endif()
endif()
# Put the libraries and binaries that get built into directories at the
# top of the build tree rather than in hard-to-find leaf directories.
SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
SET(LWS_INSTALL_PATH "${CMAKE_INSTALL_PREFIX}")
# Put absolute path of dynamic libraries into the object code. Some
# architectures, notably Mac OS X, need this.
SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
if (LWS_WITHOUT_BUILTIN_SHA1)
set(LWS_SHA1_USE_OPENSSL_NAME 1)
endif()
CHECK_C_SOURCE_COMPILES(
"#include <malloc.h>
int main(int argc, char **argv) { return malloc_trim(0); }
" LWS_HAVE_MALLOC_TRIM)
CHECK_C_SOURCE_COMPILES(
"#include <malloc.h>
int main(int argc, char **argv) { return (int)malloc_usable_size((void *)0); }
" LWS_HAVE_MALLOC_USABLE_SIZE)
if (PICO_SDK_PATH)
set(CMAKE_REQUIRED_DEFINITIONS "-Dxxexit=exit")
endif()
CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
CHECK_FUNCTION_EXISTS(execvpe LWS_HAVE_EXECVPE)
CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
CHECK_FUNCTION_EXISTS(snprintf LWS_HAVE_SNPRINTF)
CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)
CHECK_FUNCTION_EXISTS(_vsnprintf LWS_HAVE__VSNPRINTF)
CHECK_FUNCTION_EXISTS(getloadavg LWS_HAVE_GETLOADAVG)
CHECK_FUNCTION_EXISTS(atoll LWS_HAVE_ATOLL)
CHECK_FUNCTION_EXISTS(_atoi64 LWS_HAVE__ATOI64)
CHECK_FUNCTION_EXISTS(_stat32i64 LWS_HAVE__STAT32I64)
CHECK_FUNCTION_EXISTS(clock_gettime LWS_HAVE_CLOCK_GETTIME)
CHECK_FUNCTION_EXISTS(localtime_r LWS_HAVE_LOCALTIME_R)
CHECK_FUNCTION_EXISTS(gmtime_r LWS_HAVE_GMTIME_R)
CHECK_FUNCTION_EXISTS(ctime_r LWS_HAVE_CTIME_R)
CHECK_FUNCTION_EXISTS(getgrgid_r LWS_HAVE_GETGRGID_R)
CHECK_FUNCTION_EXISTS(getgrnam_r LWS_HAVE_GETGRNAM_R)
CHECK_FUNCTION_EXISTS(getpwuid_r LWS_HAVE_GETPWUID_R)
CHECK_FUNCTION_EXISTS(getpwnam_r LWS_HAVE_GETPWNAM_R)
CHECK_FUNCTION_EXISTS(timegm LWS_HAVE_TIMEGM)
CHECK_C_SOURCE_COMPILES("#include <malloc.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_IN6ADDR_H)
CHECK_C_SOURCE_COMPILES("#include <memory.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_MEMORY_H)
CHECK_C_SOURCE_COMPILES("#include <netinet/in.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_NETINET_IN_H)
CHECK_C_SOURCE_COMPILES("#include <stdint.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_STDINT_H)
CHECK_C_SOURCE_COMPILES("#include <stdlib.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_STDLIB_H)
CHECK_C_SOURCE_COMPILES("#include <strings.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_STRINGS_H)
CHECK_C_SOURCE_COMPILES("#include <string.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_STRING_H)
CHECK_C_SOURCE_COMPILES("#include <sys/prctl.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_PRCTL_H)
CHECK_C_SOURCE_COMPILES("#include <sys/socket.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_SOCKET_H)
CHECK_C_SOURCE_COMPILES("#include <sys/sockio.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_SOCKIO_H)
CHECK_C_SOURCE_COMPILES("#include <sys/stat.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_STAT_H)
CHECK_C_SOURCE_COMPILES("#include <sys/types.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_TYPES_H)
CHECK_C_SOURCE_COMPILES("#include <unistd.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_UNISTD_H)
CHECK_C_SOURCE_COMPILES("#include <vfork.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_VFORK_H)
CHECK_C_SOURCE_COMPILES("#include <sys/capability.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_CAPABILITY_H)
CHECK_C_SOURCE_COMPILES("#include <malloc.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_MALLOC_H)
CHECK_C_SOURCE_COMPILES("#include <pthread.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_PTHREAD_H)
CHECK_C_SOURCE_COMPILES("#include <inttypes.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_INTTYPES_H)
CHECK_C_SOURCE_COMPILES("#include <sys/resource.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_RESOURCE_H)
if (LWS_EXT_PTHREAD_INCLUDE_DIR)
set(LWS_HAVE_PTHREAD_H 1)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
if(CMAKE_OSX_DEPLOYMENT_TARGET LESS "10.12")
message("No clock_gettime found on macOS ${CMAKE_OSX_DEPLOYMENT_TARGET}. Disabling LWS_HAVE_CLOCK_GETTIME.")
set(LWS_HAVE_CLOCK_GETTIME 0)
endif()
endif()
if (NOT LWS_HAVE_GETIFADDRS)
if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
message(FATAL_ERROR "No getifaddrs was found on the system. Turn off the LWS_WITHOUT_BUILTIN_GETIFADDRS compile option to use the supplied BSD version.")
endif()
set(LWS_BUILTIN_GETIFADDRS 1)
endif()
if (LWS_EXT_PTHREAD_INCLUDE_DIR)
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES};${LWS_EXT_PTHREAD_INCLUDE_DIR})
include_directories(${LWS_EXT_PTHREAD_INCLUDE_DIR})
list(APPEND LIB_LIST_AT_END ${LWS_EXT_PTHREAD_LIBRARIES})
set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} " -DHAVE_STRUCT_TIMESPEC=1")
endif()
#
# add libs here that need to be at the end of the link order
#
if (LWS_EXT_PTHREAD_INCLUDE_DIR)
list(APPEND LIB_LIST_AT_END ${LWS_EXT_PTHREAD_LIBRARIES})
endif()
if (LWS_WITH_ZLIB AND NOT LWS_WITH_BUNDLED_ZLIB)
list(APPEND LIB_LIST_AT_END "${ZLIB_LIBRARIES}")
endif()
if (LWS_WITH_PLUGINS_API AND UNIX AND CMAKE_DL_LIBS AND NOT (${CMAKE_SYSTEM_NAME} MATCHES "QNX"))
list(APPEND LIB_LIST_AT_END ${CMAKE_DL_LIBS})
endif()
if (WIN32 OR MSVC)
CHECK_C_SOURCE_COMPILES("#include <winsock2.h>
#include <afunix.h>
int main() { return 0; }" LWS_HAVE_WIN32_AFUNIX_H)
if (LWS_UNIX_SOCK AND NOT LWS_HAVE_WIN32_AFUNIX_H)
message("No afunix.h found. Disabling LWS_UNIX_SOCK.")
set(LWS_WITH_UNIX_SOCK OFF)
endif()
endif()
CHECK_LIBRARY_EXISTS(cap cap_set_flag "" LWS_HAVE_LIBCAP)
if (LWS_WITH_ZLIB AND NOT LWS_WITH_BUNDLED_ZLIB)
if (LWS_WITH_MINIZ)
CHECK_INCLUDE_FILE(miniz.h LWS_HAVE_ZLIB_H)
else()
CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
endif()
endif()
CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h" STDC_HEADERS)
if (NOT CMAKE_REQUIRED_FLAGS)
set(CMAKE_REQUIRED_FLAGS "")
endif()
if (NOT CMAKE_REQUIRED_INCLUDES)
set(CMAKE_REQUIRED_INCLUDES "")
endif()
if (NOT CMAKE_REQUIRED_LIBRARIES)
set(CMAKE_REQUIRED_LIBRARIES "")
endif()
CHECK_C_SOURCE_COMPILES("#include <stdint.h>
int main(void) {
intptr_t test = 1;
return 0;
}" LWS_HAS_INTPTR_T)
if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR
(CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
set(COMPILER_IS_CLANG ON)
endif()
if (LWS_HAVE_PTHREAD_H AND NOT LWS_PLAT_FREERTOS)
CHECK_C_SOURCE_COMPILES("
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <pthread.h>
int main(void) {
#ifdef __PTW32_H
pthread_t th = {0,0};
#else
pthread_t th = 0;
#endif
pthread_setname_np(th, NULL);
return 0;
}" LWS_HAS_PTHREAD_SETNAME_NP)
endif()
CHECK_C_SOURCE_COMPILES("#include <stddef.h>
#include <getopt.h>
int main(void) {
void *p = (void *)getopt_long;
return p != NULL;
}" LWS_HAS_GETOPT_LONG)
CHECK_C_SOURCE_COMPILES("#include <linux/rtnetlink.h>
int main(void) {
int test = RTA_PREF;
return 0;
}" LWS_HAVE_RTA_PREF)
CHECK_C_SOURCE_COMPILES("#include <sys/types.h>
int main(void) {
suseconds_t x = 0;
return (int)x;
}" LWS_HAVE_SUSECONDS_T)
if (NOT PID_T_SIZE)
set(pid_t int)
endif()
if (NOT SIZE_T_SIZE)
set(size_t "unsigned int")
endif()
if (NOT LWS_HAVE_MALLOC)
set(malloc rpl_malloc)
endif()
if (NOT LWS_HAVE_REALLOC)
set(realloc rpl_realloc)
endif()
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR COMPILER_IS_CLANG)
include (CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
if (LWS_WITH_FANALYZER)
CHECK_C_COMPILER_FLAG(-fanalyzer LWS_HAVE_FANALYZER)
endif()
if (LWS_HAVE_VISIBILITY)
set(VISIBILITY_FLAG -fvisibility=hidden)
endif()
if (LWS_WITH_GCOV)
set (GCOV_FLAGS "-fprofile-arcs -ftest-coverage ")
else()
set(GCOV_FLAGS "")
endif()
if (LWS_WITH_ASAN)
set (ASAN_FLAGS "-fsanitize=address -fsanitize=undefined -fsanitize-address-use-after-scope -fsanitize-undefined-trap-on-error")
if (NOT COMPILER_IS_CLANG)
set (ASAN_FLAGS "${ASAN_FLAGS} -fsanitize=pointer-compare -fsanitize=pointer-subtract -fsanitize=leak")
endif()
message("Enabling ASAN")
else()
set(ASAN_FLAGS "")
endif()
check_c_compiler_flag("-Wignored-qualifiers" LWS_GCC_HAS_IGNORED_QUALIFIERS)
check_c_compiler_flag("-Wtype-limits" LWS_GCC_HAS_TYPE_LIMITS)
check_c_compiler_flag("-Wno-deprecated-declarations" LWS_GCC_HAS_NO_DEPRECATED_DECLARATIONS)
if (LWS_GCC_HAS_IGNORED_QUALIFIERS)
set(CMAKE_C_FLAGS "-Wignored-qualifiers ${CMAKE_C_FLAGS}" )
endif()
if (LWS_GCC_HAS_TYPE_LIMITS)
set(CMAKE_C_FLAGS "-Wtype-limits ${CMAKE_C_FLAGS}" )
endif()
if (LWS_WITH_FANALYZER AND LWS_HAVE_FANALYZER)
set(CMAKE_C_FLAGS "-fanalyzer ${CMAKE_C_FLAGS}" )
endif()
if (CMAKE_COMPILER_IS_CLANG OR CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.4)
set(CMAKE_C_FLAGS "-Wuninitialized ${CMAKE_C_FLAGS}")
endif()
# always warn all and generate debug info
if (UNIX AND NOT LWS_PLAT_FREERTOS)
set(CMAKE_C_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wconversion -Wsign-compare -Wstrict-aliasing ${VISIBILITY_FLAG} -Wundef ${GCOV_FLAGS} ${CMAKE_C_FLAGS} ${ASAN_FLAGS}" )
else()
set(CMAKE_C_FLAGS "-Wall -Wsign-compare ${VISIBILITY_FLAG} ${GCOV_FLAGS} ${CMAKE_C_FLAGS}" )
endif()
if (PICO_SDK_PATH)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-parameter -Wconversion -Wsign-compare -Wstrict-aliasing -Wundef -nolibc")
endif()
if (ESP_PLATFORM AND (CONFIG_IDF_TARGET_ESP32 OR CONFIG_IDF_TARGET_ESP32S2 OR CONFIG_IDF_TARGET_ESP32S3))
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mlongcalls")
endif()
if ("${DISABLE_WERROR}" STREQUAL "OFF")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
endif()
if (LWS_SUPPRESS_DEPRECATED_API_WARNINGS)
set(CMAKE_C_FLAGS "-Wno-deprecated ${CMAKE_C_FLAGS}")
if (LWS_GCC_HAS_NO_DEPRECATED_DECLARATIONS)
set(CMAKE_C_FLAGS "-Wno-deprecated-declarations ${CMAKE_C_FLAGS}")
endif()
endif()
endif ()
if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT LWS_WITHOUT_TESTAPPS)
if (UNIX AND LWS_HAVE_PTHREAD_H AND NOT (${CMAKE_SYSTEM_NAME} MATCHES "QNX"))
# jeez clang understands -pthread but dies if he sees it at link time!f
# http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
list(APPEND LIB_LIST_AT_END -lpthread)
endif()
endif()
if (COMPILER_IS_CLANG)
# otherwise osx blows a bunch of openssl deprecated api errors
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations -Wno-reserved-identifier -Wno-documentation -Wno-reserved-macro-identifier -Wno-everything" )
if (UNIX AND LWS_HAVE_PTHREAD_H)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread -Wno-error=unused-command-line-argument" )
endif()
endif()
if (WINCE)
list(APPEND LIB_LIST_AT_END ws2.lib)
elseif (WIN32)
list(APPEND LIB_LIST_AT_END ws2_32.lib userenv.lib psapi.lib iphlpapi.lib crypt32.lib)
endif()
if (MSVC)
if ("${DISABLE_WERROR}" STREQUAL "OFF")
# Fail the build if any warnings
add_compile_options(/W3 /WX)
endif()
# Turn off pointless microsoft security warnings.
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
# Unbreak MSVC broken preprocessor __VA_ARGS__ behaviour
if (MSVC_VERSION GREATER 1925)
add_compile_options(/Zc:preprocessor /wd5105)
else()
add_compile_options(/experimental:preprocessor /wd5105)
endif()
endif(MSVC)
if (MINGW)
set(LWS_MINGW_SUPPORT 1)
set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
add_definitions(-DWINVER=0x0601 -D_WIN32_WINNT=0x0601)
endif()
if (HDR_PRIVATE)
source_group("Headers Private" FILES ${HDR_PRIVATE})
endif()
if (HDR_PUBLIC)
source_group("Headers Public" FILES ${HDR_PUBLIC})
endif()
if (SOURCES)
source_group("Sources" FILES ${SOURCES})
endif()
if (RESOURCES)
source_group("Resources" FILES ${RESOURCES})
endif()
#
# ZLIB (needed for deflate extension and if LWS_WITH_HTTP_STREAM_COMPRESSION)
#
if (LWS_WITH_ZLIB)
if (NOT ZLIB_FOUND)
if (LWS_WITH_MINIZ)
find_package(Miniz REQUIRED)
set(ZLIB_INCLUDE_DIRS ${MINIZ_INCLUDE_DIR})
set(ZLIB_LIBRARIES ${MINIZ_LIBRARIES})
else()
find_package(ZLIB REQUIRED)
endif()
endif()
message("zlib/miniz include dirs: ${ZLIB_INCLUDE_DIRS}")
message("zlib/miniz libraries: ${ZLIB_LIBRARIES}")
include_directories(${ZLIB_INCLUDE_DIRS})
# done later at end of link list
# list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${ZLIB_LIBRARIES})
list(APPEND LIB_LIST_AT_END ${ZLIB_LIBRARIES})
endif()
if (LWS_WITH_FSMOUNT AND ${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
if (NOT LWS_LIBMOUNT_INCLUDE_DIRS STREQUAL "")
include_directories(${LWS_LIBMOUNT_INCLUDE_DIRS})
message("libmount include dir: ${LWS_LIBMOUNT_INCLUDE_DIRS}")
endif()
if (NOT LWS_LIBMOUNT_LIBRARIES STREQUAL "")
message("libmount libraries: ${LWS_LIBMOUNT_LIBRARIES}")
list(APPEND LIB_LIST ${LWS_LIBMOUNT_LIBRARIES})
else()
list(APPEND LIB_LIST mount)
endif()
endif()
if (LWS_WITH_SQLITE3)
if (NOT SQLITE3_FOUND)
find_path(SQLITE3_INCLUDE_DIRS NAMES sqlite3.h)
find_library(SQLITE3_LIBRARIES NAMES sqlite3)
if(SQLITE3_INCLUDE_DIRS AND SQLITE3_LIBRARIES)
set(SQLITE3_FOUND 1)
endif()
endif()
message("sqlite3 include dir: ${SQLITE3_INCLUDE_DIRS}")
message("sqlite3 libraries: ${SQLITE3_LIBRARIES}")
include_directories("${SQLITE3_INCLUDE_DIRS}")
list(APPEND LIB_LIST ${SQLITE3_LIBRARIES})
endif()
if (LWS_WITH_HUBBUB)
find_library(LIBHUBBUB_LIBRARIES NAMES hubbub)
list(APPEND LIB_LIST ${LIBHUBBUB_LIBRARIES} )
endif()
if (LWS_HAVE_LIBCAP)
find_library(LIBCAP_LIBRARIES NAMES cap)
list(APPEND LIB_LIST_AT_END ${LIBCAP_LIBRARIES} )
endif()
if (LWS_WITH_PLUGINS_BUILTIN)
add_subdirectory(plugins)
endif()