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libwebsockets/CMakeLists.txt
Andy Green 020770566e plugins 
This adds support for dynamically loaded plugins at runtime, which
can expose their own protocols or extensions transparently.

With these changes lwsws defaults to OFF in cmake, and if enabled it
automatically enables plugins and libuv support.

Signed-off-by: Andy Green <andy@warmcat.com>
2016-04-07 09:38:08 +08:00

1467 lines
47 KiB
CMake
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cmake_minimum_required(VERSION 2.8)
if(NOT DEFINED CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
endif()
project(libwebsockets C)
set(PACKAGE "libwebsockets")
set(CPACK_PACKAGE_NAME "${PACKAGE}")
set(CPACK_PACKAGE_VERSION_MAJOR "1")
set(CPACK_PACKAGE_VERSION_MINOR "7")
set(CPACK_PACKAGE_VERSION_PATCH "0")
set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
set(SOVERSION "7")
set(CPACK_SOURCE_GENERATOR "TGZ")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
set(VERSION "${CPACK_PACKAGE_VERSION}")
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})
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
# Try to find the current Git hash.
find_package(Git)
if(GIT_EXECUTABLE)
execute_process(
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${GIT_EXECUTABLE}" describe
OUTPUT_VARIABLE GIT_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
execute_process(
WORKING_DIRECTORY "${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
)
set(LWS_BUILD_HASH ${GIT_USER}@${GIT_HOST}-${GIT_HASH})
message("Git commit hash: ${LWS_BUILD_HASH}")
endif()
set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
if(WIN32)
set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
endif()
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_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
option(LWS_USE_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_USE_WOLFSSL "Use wolfSSL replacement for OpenSSL. When setting this, you also need to specify LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS" OFF)
option(LWS_USE_POLARSSL "Use Polarssl (or mbedtls < 2.0) replacement for OpenSSL. When setting this, you also need to specify LWS_POLARSSL_LIBRARIES and LWS_POLARSSL_INCLUDE_DIRS" OFF)
option(LWS_USE_MBEDTLS "Use mbedTLS (>=2.0) replacement for OpenSSL. When setting this, you also need to specify LWS_MBEDTLS_LIBRARIES and LWS_MBEDTLS_INCLUDE_DIRS" OFF)
option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
option(LWS_WITH_LIBUV "Compile with support for libuv" OFF)
option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
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_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
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_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" 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_ECHO "Don't build the echo test application" OFF)
option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
option(LWS_IPV6 "Compile with support for ipv6" OFF)
option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
option(LWS_MBED3 "Platform is MBED3" OFF)
option(LWS_SSL_SERVER_WITH_ECDH_CERT "Include SSL server use ECDH certificate" OFF)
option(LWS_WITH_CGI "Include CGI (spawn process with network-connected stdin/out/err) APIs" OFF)
option(LWS_WITH_HTTP_PROXY "Support for rewriting HTTP proxying" OFF)
option(LWS_WITH_LWSWS "Libwebsockets Webserver" OFF)
option(LWS_WITH_PLUGINS "Support plugins for protocols and extensions" OFF)
if (LWS_WITH_LWSWS)
message(STATUS "LWS_WITH_LWSWS --> Enabling LWS_WITH_PLUGINS and LWS_WITH_LIBUV")
set(LWS_WITH_PLUGINS 1)
set(LWS_WITH_LIBUV 1)
endif()
if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
set(LWS_WITH_SHARED OFF)
set(LWS_WITH_SSL OFF)
set(LWS_WITH_ZLIB OFF)
set(LWS_WITHOUT_CLIENT ON)
set(LWS_WITHOUT_TESTAPPS ON)
set(LWS_WITHOUT_EXTENSIONS ON)
set(LWS_WITH_PLUGINS OFF)
set(LWS_MBED3 ON)
# this implies no pthreads in the lib
set(LWS_MAX_SMP 1)
endif()
if (WIN32)
# this implies no pthreads in the lib
set(LWS_MAX_SMP 1)
# plugin stuff not implemented in win32 plat
set (LWS_WITH_PLUGINS OFF)
endif()
if (LWS_WITHOUT_SERVER)
set(LWS_WITH_LWSWS OFF)
endif()
if (LWS_WITH_HTTP_PROXY AND (LWS_WITHOUT_CLIENT OR LWS_WITHOUT_SERVER))
message(FATAL_ERROR "You have to enable both client and server for http proxy")
endif()
# 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")
# Allow the user to use the old CyaSSL options/library in stead of wolfSSL
if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
endif()
if (LWS_USE_CYASSL)
# Copy CyaSSL options to the wolfSSL options
set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
endif()
if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
endif()
if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
endif()
if (NOT LWS_WITHOUT_EXTENSIONS)
if (NOT LWS_WITH_ZLIB)
message(FATAL_ERROR "zlib is required for extensions.")
endif()
endif()
set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
set(LWS_POLARSSL_LIBRARIES CACHE PATH "Path to the PolarSSL library")
set(LWS_POLARSSL_INCLUDE_DIRS CACHE PATH "Path to the PolarSSL include directory")
set( CACHE PATH "Path to the libev library")
set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
set(LWS_LIBUV_LIBRARIES CACHE PATH "Path to the libuv library")
set(LWS_LIBUV_INCLUDE_DIRS CACHE PATH "Path to the libuv include directory")
if (NOT LWS_WITH_SSL)
set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
endif()
if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL AND NOT LWS_USE_POLARSSL AND NOT LWS_USE_MBEDTLS)
if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
else()
set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
set(OPENSSL_FOUND 1)
endif()
endif()
if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
if (NOT WOLFSSL_FOUND)
if (LWS_USE_CYASSL)
message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
else()
message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
endif()
endif()
else()
set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
set(WOLFSSL_FOUND 1)
endif()
set(USE_WOLFSSL 1)
if (LWS_USE_CYASSL)
set(USE_OLD_CYASSL 1)
endif()
endif()
if (LWS_WITH_SSL AND LWS_USE_POLARSSL)
if ("${LWS_POLARSSL_LIBRARIES}" STREQUAL "" OR "${LWS_POLARSSL_INCLUDE_DIRS}" STREQUAL "")
if (NOT POLARSSL_FOUND)
message(FATAL_ERROR "You must set LWS_POLARSSL_LIBRARIES and LWS_POLARSSL_INCLUDE_DIRS when LWS_USE_POLARSSL is turned on.")
endif()
else()
set(POLARSSL_LIBRARIES ${LWS_POLARSSL_LIBRARIES})
set(POLARSSL_INCLUDE_DIRS ${LWS_POLARSSL_INCLUDE_DIRS})
set(POLARSSL_FOUND 1)
endif()
set(USE_POLARSSL 1)
endif()
if (LWS_WITH_SSL AND LWS_USE_MBEDTLS)
if ("${LWS_MBEDTLS_LIBRARIES}" STREQUAL "" OR "${LWS_MBEDTLS_INCLUDE_DIRS}" STREQUAL "")
if (NOT MBEDTLS_FOUND)
message(FATAL_ERROR "You must set LWS_MBEDTLS_LIBRARIES and LWS_MBEDTLS_INCLUDE_DIRS when LWS_USE_MBEDTLS is turned on.")
endif()
else()
set(MBEDTLS_LIBRARIES ${LWS_MBEDTLS_LIBRARIES})
set(MBEDTLS_INCLUDE_DIRS ${LWS_MBEDTLS_INCLUDE_DIRS})
set(MBEDTLS_FOUND 1)
endif()
set(USE_MBEDTLS 1)
endif()
if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
else()
set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
set(ZLIB_FOUND 1)
endif()
endif()
if (LWS_WITH_LIBEV)
if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
else()
set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
set(LIBEV_FOUND 1)
endif()
endif()
if (LWS_WITH_LIBUV)
if ("${LWS_LIBUV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBUV_INCLUDE_DIRS}" STREQUAL "")
else()
set(LIBUV_LIBRARIES ${LWS_LIBUV_LIBRARIES})
set(LIBUV_INCLUDE_DIRS ${LWS_LIBUV_INCLUDE_DIRS})
set(LIBUV_FOUND 1)
endif()
endif()
# FIXME: This must be runtime-only option.
# The base dir where the test-apps look for the SSL certs.
set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
if (WIN32)
set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
if (LWS_IPV6)
set(LWS_IPV6 OFF)
message(WARNING "IPv6 does not currently work on Windows!")
endif()
else()
set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
endif()
if (LWS_WITHOUT_EXTENSIONS)
set(LWS_NO_EXTENSIONS 1)
endif()
if (LWS_WITH_SSL)
set(LWS_OPENSSL_SUPPORT 1)
endif()
if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
endif()
if (LWS_WITH_LATENCY)
set(LWS_LATENCY 1)
endif()
if (LWS_WITHOUT_DAEMONIZE OR WIN32)
set(LWS_NO_DAEMONIZE 1)
endif()
if (LWS_WITHOUT_SERVER)
set(LWS_NO_SERVER 1)
endif()
if (LWS_WITHOUT_CLIENT)
set(LWS_NO_CLIENT 1)
endif()
if (LWS_WITH_LIBEV)
set(LWS_USE_LIBEV 1)
endif()
if (LWS_WITH_LIBUV)
set(LWS_USE_LIBUV 1)
endif()
if (LWS_IPV6)
set(LWS_USE_IPV6 1)
endif()
if (LWS_WITH_HTTP2)
set(LWS_USE_HTTP2 1)
endif()
if ("${LWS_MAX_SMP}" STREQUAL "")
set(LWS_MAX_SMP 32)
endif()
#if (LWS_MBED3)
# set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
#endif()
if (MINGW)
set(LWS_MINGW_SUPPORT 1)
set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
endif()
if (LWS_SSL_SERVER_WITH_ECDH_CERT)
set(LWS_SSL_SERVER_WITH_ECDH_CERT 1)
endif()
include_directories("${PROJECT_BINARY_DIR}")
include(CheckCSourceCompiles)
# 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 libaries 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 "${PROJECT_BINARY_DIR}/lib")
# Put absolute path of dynamic libraries into the object code. Some
# architectures, notably Mac OS X, need this.
SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckLibraryExists)
include(CheckTypeSize)
if (LWS_WITHOUT_BUILTIN_SHA1)
set(LWS_SHA1_USE_OPENSSL_NAME 1)
endif()
CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
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)
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()
CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
endif()
# TODO: These can also be tested to see whether they actually work...
set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
# These don't work Cross...
#CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
#CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
#CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
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()
# Generate the lws_config.h that includes all the public compilation settings.
configure_file(
"${PROJECT_SOURCE_DIR}/lws_config.h.in"
"${PROJECT_BINARY_DIR}/lws_config.h")
# Generate the lws_config.h that includes all the private compilation settings.
configure_file(
"${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
"${PROJECT_BINARY_DIR}/lws_config_private.h")
if (MSVC)
# Turn off stupid microsoft security warnings.
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
endif(MSVC)
include_directories("${PROJECT_SOURCE_DIR}/lib")
# Group headers and sources.
# Some IDEs use this for nicer file structure.
set(HDR_PRIVATE
lib/private-libwebsockets.h)
set(HDR_PUBLIC
"${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
"${PROJECT_BINARY_DIR}/lws_config.h")
set(SOURCES
lib/base64-decode.c
lib/handshake.c
lib/libwebsockets.c
lib/service.c
lib/pollfd.c
lib/output.c
lib/parsers.c
lib/context.c
lib/alloc.c
lib/header.c)
if (NOT LWS_WITHOUT_CLIENT)
list(APPEND SOURCES
lib/client.c
lib/client-handshake.c
lib/client-parser.c)
endif()
if (LWS_WITH_SSL)
list(APPEND SOURCES
lib/ssl.c)
if (NOT LWS_WITHOUT_SERVER)
list(APPEND SOURCES
lib/ssl-server.c)
endif()
if (NOT LWS_WITHOUT_CLIENT)
list(APPEND SOURCES
lib/ssl-client.c)
endif()
endif()
if (NOT LWS_WITHOUT_BUILTIN_SHA1)
list(APPEND SOURCES
lib/sha-1.c)
endif()
if (LWS_WITH_HTTP2)
list(APPEND SOURCES
lib/http2.c
lib/hpack.c
lib/ssl-http2.c)
endif()
# select the active platform files
if (WIN32)
list(APPEND SOURCES
lib/lws-plat-win.c)
else()
if (LWS_MBED3)
list(APPEND SOURCES
lib/lws-plat-mbed3.cpp
lib/lws-plat-mbed3.c)
else()
list(APPEND SOURCES
lib/lws-plat-unix.c)
endif()
endif()
if (NOT LWS_WITHOUT_SERVER)
list(APPEND SOURCES
lib/server.c
lib/server-handshake.c)
endif()
if (NOT LWS_WITHOUT_EXTENSIONS)
list(APPEND HDR_PRIVATE
lib/extension-permessage-deflate.h)
list(APPEND SOURCES
lib/extension.c
lib/extension-permessage-deflate.c)
endif()
if (LWS_WITH_HTTP_PROXY)
list(APPEND SOURCES
lib/rewrite.c)
endif()
if (LWS_WITH_LIBEV)
list(APPEND SOURCES
lib/libev.c)
endif()
if (LWS_WITH_LIBUV)
list(APPEND SOURCES
lib/libuv.c)
endif()
# Add helper files for Windows.
if (WIN32)
set(WIN32_HELPERS_PATH win32port/win32helpers)
include_directories(${WIN32_HELPERS_PATH})
else()
# Unix.
if (NOT LWS_WITHOUT_DAEMONIZE)
list(APPEND SOURCES
lib/daemonize.c)
endif()
endif()
if (UNIX)
if (NOT LWS_HAVE_GETIFADDRS)
list(APPEND HDR_PRIVATE lib/getifaddrs.h)
list(APPEND SOURCES lib/getifaddrs.c)
endif()
endif()
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
include (CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
if (LWS_HAVE_VISIBILITY)
set(VISIBILITY_FLAG -fvisibility=hidden)
endif()
if (UNIX)
set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
else(UNIX)
set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
endif(UNIX)
endif ()
if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT LWS_WITHOUT_TESTAPPS)
if (UNIX)
# jeez clang understands -pthread but dies if he sees it at link time!
# http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
endif()
endif()
if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
# otherwise osx blows a bunch of openssl deprecated api errors
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
endif()
source_group("Headers Private" FILES ${HDR_PRIVATE})
source_group("Headers Public" FILES ${HDR_PUBLIC})
source_group("Sources" FILES ${SOURCES})
#
# Create the lib.
#
set(LWS_LIBRARIES)
if (LWS_WITH_STATIC)
add_library(websockets STATIC
${HDR_PRIVATE}
${HDR_PUBLIC}
${SOURCES})
list(APPEND LWS_LIBRARIES websockets)
if (WIN32)
# Windows uses the same .lib ending for static libraries and shared
# library linker files, so rename the static library.
set_target_properties(websockets
PROPERTIES
OUTPUT_NAME websockets_static)
endif()
endif()
if (LWS_WITH_SHARED)
add_library(websockets_shared SHARED
${HDR_PRIVATE}
${HDR_PUBLIC}
${SOURCES})
list(APPEND LWS_LIBRARIES websockets_shared)
# We want the shared lib to be named "libwebsockets"
# not "libwebsocket_shared".
set_target_properties(websockets_shared
PROPERTIES
OUTPUT_NAME websockets)
if (WIN32)
# Compile as DLL (export function declarations)
set_property(
TARGET websockets_shared
PROPERTY COMPILE_DEFINITIONS
LWS_DLL
LWS_INTERNAL)
endif()
if (APPLE)
set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
endif()
endif()
# Set the so version of the lib.
# Equivalent to LDFLAGS=-version-info x:x:x
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
foreach(lib ${LWS_LIBRARIES})
set_target_properties(${lib}
PROPERTIES
SOVERSION ${SOVERSION})
endforeach()
endif()
set(LIB_LIST)
#
# Find libraries.
#
#
# ZLIB (Only needed for deflate extensions).
#
if (LWS_WITH_ZLIB)
if (LWS_USE_BUNDLED_ZLIB)
if (WIN32)
set(WIN32_ZLIB_PATH "win32port/zlib")
set(ZLIB_SRCS
${WIN32_ZLIB_PATH}/adler32.c
${WIN32_ZLIB_PATH}/compress.c
${WIN32_ZLIB_PATH}/crc32.c
${WIN32_ZLIB_PATH}/deflate.c
${WIN32_ZLIB_PATH}/gzclose.c
${WIN32_ZLIB_PATH}/gzio.c
${WIN32_ZLIB_PATH}/gzlib.c
${WIN32_ZLIB_PATH}/gzread.c
${WIN32_ZLIB_PATH}/gzwrite.c
${WIN32_ZLIB_PATH}/infback.c
${WIN32_ZLIB_PATH}/inffast.c
${WIN32_ZLIB_PATH}/inflate.c
${WIN32_ZLIB_PATH}/inftrees.c
${WIN32_ZLIB_PATH}/trees.c
${WIN32_ZLIB_PATH}/uncompr.c
${WIN32_ZLIB_PATH}/zutil.c)
add_library(zlib_internal STATIC ${ZLIB_SRCS})
set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
set(ZLIB_FOUND 1)
# Make sure zlib_internal is compiled before the libs.
foreach (lib ${LWS_LIBRARIES})
add_dependencies(${lib} zlib_internal)
endforeach()
else()
message(FATAL_ERROR "Don't have bundled zlib for that platform")
endif()
elseif (NOT ZLIB_FOUND)
find_package(ZLIB REQUIRED)
endif()
message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
message("zlib libraries: ${ZLIB_LIBRARIES}")
include_directories(${ZLIB_INCLUDE_DIRS})
list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
endif()
#
# OpenSSL
#
if (LWS_WITH_SSL)
message("Compiling with SSL support")
set(chose_ssl 0)
if (LWS_USE_WOLFSSL)
# Use wolfSSL as OpenSSL replacement.
# TODO: Add a find_package command for this also.
message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
# Additional to the root directory we need to include
# the wolfssl/ subdirectory which contains the OpenSSL
# compatibility layer headers.
if (LWS_USE_CYASSL)
foreach(inc ${WOLFSSL_INCLUDE_DIRS})
include_directories("${inc}" "${inc}/cyassl")
endforeach()
else()
foreach(inc ${WOLFSSL_INCLUDE_DIRS})
include_directories("${inc}" "${inc}/wolfssl")
endforeach()
endif()
list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
set(chose_ssl 1)
endif()
if (LWS_USE_POLARSSL)
message("POLARSSL include dir: ${POLARSSL_INCLUDE_DIRS}")
message("POLARSSL libraries: ${POLARSSL_LIBRARIES}")
foreach(inc ${POLARSSL_INCLUDE_DIRS})
include_directories("${inc}" "${inc}/polarssl")
endforeach()
list(APPEND LIB_LIST "${POLARSSL_LIBRARIES}")
set(chose_ssl 1)
endif()
if (LWS_USE_MBEDTLS)
message("MBEDTLS include dir: ${MBEDTLS_INCLUDE_DIRS}")
message("MBEDTLS libraries: ${MBEDTLS_LIBRARIES}")
foreach(inc ${MBEDTLS_INCLUDE_DIRS})
include_directories("${inc}" "${inc}/mbedtls")
endforeach()
list(APPEND LIB_LIST "${MBEDTLS_LIBRARIES}")
set(chose_ssl 1)
endif()
if (NOT chose_ssl)
if (NOT OPENSSL_FOUND)
# TODO: Add support for STATIC also.
find_package(OpenSSL REQUIRED)
set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
endif()
message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
include_directories("${OPENSSL_INCLUDE_DIRS}")
list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
endif()
# older (0.98) Openssl lacks this
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIRS})
check_include_file(openssl/ecdh.h LWS_HAVE_OPENSSL_ECDH_H)
if (LWS_SSL_SERVER_WITH_ECDH_CERT AND NOT LWS_HAVE_OPENSSL_ECDH_H)
message(FATAL_ERROR "Missing openssl/ecdh.h, so cannot use LWS_SSL_SERVER_WITH_ECDH_CERT")
endif()
endif(LWS_WITH_SSL)
if (LWS_WITH_LIBEV)
if (NOT LIBEV_FOUND)
find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
find_library(LIBEV_LIBRARIES NAMES ev)
if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
set(LIBEV_FOUND 1)
endif()
endif()
message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
message("libev libraries: ${LIBEV_LIBRARIES}")
include_directories("${LIBEV_INCLUDE_DIRS}")
list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
endif(LWS_WITH_LIBEV)
if (LWS_WITH_LIBUV)
if (NOT LIBUV_FOUND)
find_path(LIBUV_INCLUDE_DIRS NAMES uv.h)
find_library(LIBUV_LIBRARIES NAMES uv)
if(LIBUV_INCLUDE_DIRS AND LIBUV_LIBRARIES)
set(LIBUV_FOUND 1)
endif()
endif()
message("libuv include dir: ${LIBUV_INCLUDE_DIRS}")
message("libuv libraries: ${LIBUV_LIBRARIES}")
include_directories("${LIBUV_INCLUDE_DIRS}")
list(APPEND LIB_LIST ${LIBUV_LIBRARIES})
endif()
if (LWS_WITH_HTTP_PROXY)
find_library(LIBHUBBUB_LIBRARIES NAMES libhubbub)
list(APPEND LIB_LIST ${LIBHUBBUB_LIBRARIES} )
endif()
#
# Platform specific libs.
#
if (WINCE)
list(APPEND LIB_LIST ws2.lib)
elseif (WIN32)
list(APPEND LIB_LIST ws2_32.lib)
endif()
if (UNIX)
list(APPEND LIB_LIST m)
endif()
# Setup the linking for all libs.
foreach (lib ${LWS_LIBRARIES})
target_link_libraries(${lib} ${LIB_LIST})
endforeach()
#
# Test applications
#
set(TEST_APP_LIST)
if (NOT LWS_WITHOUT_TESTAPPS)
#
# Helper function for adding a test app.
#
macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4 S5 S6)
set(TEST_SRCS ${MAIN_SRC})
set(TEST_HDR)
if ("${S2}" STREQUAL "")
else()
list(APPEND TEST_SRCS ${S2})
endif()
if ("${S3}" STREQUAL "")
else()
list(APPEND TEST_SRCS ${S3})
endif()
if ("${S4}" STREQUAL "")
else()
list(APPEND TEST_SRCS ${S4})
endif()
if ("${S5}" STREQUAL "")
else()
list(APPEND TEST_SRCS ${S5})
endif()
if ("${S6}" STREQUAL "")
else()
list(APPEND TEST_SRCS ${S6})
endif()
if (WIN32)
list(APPEND TEST_SRCS
${WIN32_HELPERS_PATH}/getopt.c
${WIN32_HELPERS_PATH}/getopt_long.c
${WIN32_HELPERS_PATH}/gettimeofday.c
)
list(APPEND TEST_HDR
${WIN32_HELPERS_PATH}/getopt.h
${WIN32_HELPERS_PATH}/gettimeofday.h
)
endif(WIN32)
source_group("Headers Private" FILES ${TEST_HDR})
source_group("Sources" FILES ${TEST_SRCS})
add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
if (LWS_LINK_TESTAPPS_DYNAMIC)
if (NOT LWS_WITH_SHARED)
message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
endif()
target_link_libraries(${TEST_NAME} websockets_shared)
add_dependencies(${TEST_NAME} websockets_shared)
else()
if (NOT LWS_WITH_STATIC)
message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
endif()
target_link_libraries(${TEST_NAME} websockets)
add_dependencies(${TEST_NAME} websockets)
endif()
# Set test app specific defines.
set_property(TARGET ${TEST_NAME}
PROPERTY COMPILE_DEFINITIONS
INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
)
# Prefix the binary names with libwebsockets.
set_target_properties(${TEST_NAME}
PROPERTIES
OUTPUT_NAME libwebsockets-${TEST_NAME})
# Add to the list of tests.
list(APPEND TEST_APP_LIST ${TEST_NAME})
endmacro()
if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL AND NOT LWS_USE_POLARSSL AND NOT LWS_USE_MBEDTLS)
message("Searching for OpenSSL executable and dlls")
find_package(OpenSSLbins)
message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
endif()
if (UNIX AND LWS_WITH_PLUGINS)
set(CMAKE_C_FLAGS "-fPIC ${CMAKE_C_FLAGS}")
target_link_libraries(websockets dl)
endif()
if (NOT LWS_WITHOUT_SERVER)
#
# test-server
#
if (NOT LWS_WITHOUT_TEST_SERVER)
create_test_app(test-server "test-server/test-server.c"
"test-server/test-server-http.c"
"test-server/test-server-dumb-increment.c"
"test-server/test-server-mirror.c"
"test-server/test-server-status.c"
"test-server/test-server-echogen.c")
if (UNIX)
create_test_app(test-fuzxy "test-server/fuzxy.c"
""
""
""
""
"")
endif()
if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
create_test_app(test-server-pthreads
"test-server/test-server-pthreads.c"
"test-server/test-server-http.c"
"test-server/test-server-dumb-increment.c"
"test-server/test-server-mirror.c"
"test-server/test-server-status.c"
"test-server/test-server-echogen.c")
endif()
if (NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
AND LWS_WITH_LIBEV)
create_test_app(test-server-libev
"test-server/test-server-libev.c"
"test-server/test-server-http.c"
"test-server/test-server-dumb-increment.c"
"test-server/test-server-mirror.c"
"test-server/test-server-status.c"
"test-server/test-server-echogen.c")
endif()
if (NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
AND LWS_WITH_LIBUV)
create_test_app(test-server-libuv
"test-server/test-server-libuv.c"
"test-server/test-server-http.c"
"test-server/test-server-dumb-increment.c"
"test-server/test-server-mirror.c"
"test-server/test-server-status.c"
"test-server/test-server-echogen.c")
endif()
endif()
#
# test-server-extpoll
#
if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
create_test_app(test-server-extpoll "test-server/test-server.c"
"test-server/test-server-http.c"
"test-server/test-server-dumb-increment.c"
"test-server/test-server-mirror.c"
"test-server/test-server-status.c"
"test-server/test-server-echogen.c")
# Set defines for this executable only.
set_property(
TARGET test-server-extpoll
PROPERTY COMPILE_DEFINITIONS
EXTERNAL_POLL
INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
)
# We need to link against winsock code.
if (WIN32)
target_link_libraries(test-server-extpoll ws2_32.lib)
endif(WIN32)
endif()
# Data files for running the test server.
set(TEST_SERVER_DATA
"${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
"${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
"${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
"${PROJECT_SOURCE_DIR}/test-server/test.html")
# Generate self-signed SSL certs for the test-server.
if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
message("Generating SSL Certificates for the test-server...")
set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
if (WIN32)
if (MINGW)
message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -subj \"/C=GB/ST=Erewhon/L=All around/O=libwebsockets-test/CN=localhost\" -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
execute_process(
COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -subj "/C=GB/ST=Erewhon/L=All around/O=libwebsockets-test/CN=localhost" -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
RESULT_VARIABLE OPENSSL_RETURN_CODE)
else()
file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
"GB\n"
"Erewhon\n"
"All around\n"
"libwebsockets-test\n"
"localhost\n"
"none@invalid.org\n\n"
)
# The "type" command is a bit picky with paths.
file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
execute_process(
COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
RESULT_VARIABLE OPENSSL_RETURN_CODE
OUTPUT_QUIET ERROR_QUIET)
message("\n")
endif()
if (OPENSSL_RETURN_CODE)
message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
else()
message("SUCCSESFULLY generated SSL certificate")
endif()
else()
# Unix.
execute_process(
COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
COMMAND "${OPENSSL_EXECUTABLE}"
req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
RESULT_VARIABLE OPENSSL_RETURN_CODE
OUTPUT_QUIET ERROR_QUIET)
if (OPENSSL_RETURN_CODE)
message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
else()
message("SUCCESSFULLY generated SSL certificate")
endif()
endif()
list(APPEND TEST_SERVER_DATA
"${TEST_SERVER_SSL_KEY}"
"${TEST_SERVER_SSL_CERT}")
endif()
add_custom_command(TARGET test-server
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
# Copy the file needed to run the server so that the test apps can
# reach them from their default output location
foreach (TEST_FILE ${TEST_SERVER_DATA})
if (EXISTS ${TEST_FILE})
add_custom_command(TARGET test-server
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
endif()
endforeach()
endif(NOT LWS_WITHOUT_SERVER)
if (NOT LWS_WITHOUT_CLIENT)
#
# test-client
#
if (NOT LWS_WITHOUT_TEST_CLIENT)
create_test_app(test-client "test-server/test-client.c" "" "" "" "" "")
endif()
#
# test-fraggle
#
if (NOT LWS_WITHOUT_TEST_FRAGGLE)
create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "" "" "")
endif()
#
# test-ping
#
if (NOT LWS_WITHOUT_TEST_PING)
create_test_app(test-ping "test-server/test-ping.c" "" "" "" "" "")
endif()
#
# test-echo
#
if (NOT LWS_WITHOUT_TEST_ECHO)
create_test_app(test-echo "test-server/test-echo.c" "" "" "" "" "")
endif()
endif(NOT LWS_WITHOUT_CLIENT)
if (LWS_WITH_PLUGINS AND LWS_WITH_SHARED)
macro(create_plugin PLUGIN_NAME MAIN_SRC)
set(PLUGIN_SRCS ${MAIN_SRC})
if (WIN32)
list(APPEND PLUGIN_SRCSset_property
${WIN32_HELPERS_PATH}/getopt.c
${WIN32_HELPERS_PATH}/getopt_long.c
${WIN32_HELPERS_PATH}/gettimeofday.c
)
list(APPEND PLUGIN_HDR
${WIN32_HELPERS_PATH}/getopt.h
${WIN32_HELPERS_PATH}/gettimeofday.h
)
endif(WIN32)
source_group("Headers Private" FILES ${PLUGIN_HDR})
source_group("Sources" FILES ${PLUGIN_SRCS})
add_library(${PLUGIN_NAME} SHARED ${PLUGIN_SRCS} ${PLUGIN_HDR})
target_link_libraries(${PLUGIN_NAME} websockets)
add_dependencies(${PLUGIN_NAME} websockets)
# Set test app specific defines.
set_property(TARGET ${PLUGIN_NAME}
PROPERTY COMPILE_DEFINITIONS
INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/plugins"
)
# set_target_properties(${PLUGIN_NAME}
# PROPERTIES
# OUTPUT_NAME ${PLUGIN_NAME})
list(APPEND PLUGINS_LIST ${PLUGIN_NAME})
endmacro()
create_plugin(protocol_dumb_increment
"plugins/protocol_dumb_increment.c")
create_plugin(protocol_lws_mirror
"plugins/protocol_lws_mirror.c")
create_plugin(protocol_lws_status
"plugins/protocol_lws_status.c")
endif(LWS_WITH_PLUGINS AND LWS_WITH_SHARED)
#
# Copy OpenSSL dlls to the output directory on Windows.
# (Otherwise we'll get an error when trying to run)
#
if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
if(OPENSSL_BIN_FOUND)
message("OpenSSL dlls found:")
message(" Libeay: ${LIBEAY_BIN}")
message(" SSLeay: ${SSLEAY_BIN}")
foreach(TARGET_BIN ${TEST_APP_LIST})
add_custom_command(TARGET ${TARGET_BIN}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
add_custom_command(TARGET ${TARGET_BIN}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
endforeach()
endif()
endif()
endif(NOT LWS_WITHOUT_TESTAPPS)
if (LWS_WITH_LWSWS)
list(APPEND LWSWS_SRCS
"lwsws/main.c"
"lwsws/lejp.c"
"lwsws/conf.c"
"lwsws/http.c"
)
if (WIN32)
list(APPEND LWSWS_SRCS
${WIN32_HELPERS_PATH}/getopt.c
${WIN32_HELPERS_PATH}/getopt_long.c
${WIN32_HELPERS_PATH}/gettimeofday.c
)
list(APPEND LWSWS_HDR
${WIN32_HELPERS_PATH}/getopt.h
${WIN32_HELPERS_PATH}/gettimeofday.h
)
endif(WIN32)
source_group("Headers Private" FILES ${LWSWS_HDR})
source_group("Sources" FILES ${LWSWS_SRCS})
add_executable("lwsws" ${LWSWS_SRCS} ${LWSWS_HDR})
if (LWS_LINK_TESTAPPS_DYNAMIC)
if (NOT LWS_WITH_SHARED)
message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
endif()
target_link_libraries("lwsws" websockets_shared)
add_dependencies("lwsws" websockets_shared)
else()
if (NOT LWS_WITH_STATIC)
message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
endif()
target_link_libraries("lwsws" websockets)
add_dependencies("lwsws" websockets)
endif()
# Set test app specific defines.
set_property(TARGET "lwsws"
PROPERTY COMPILE_DEFINITIONS
INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
)
endif (LWS_WITH_LWSWS)
if (UNIX)
# Generate documentation.
# TODO: Fix this on Windows.
message("Generating API documentation")
file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
list(SORT C_FILES)
execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
execute_process(
COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
ERROR_QUIET)
execute_process(
COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
ERROR_QUIET)
# Generate and install pkgconfig.
# (This is not indented, because the tabs will be part of the output)
file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
"prefix=\"${CMAKE_INSTALL_PREFIX}\"
exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib${LIB_SUFFIX}
includedir=\${prefix}/include
Name: libwebsockets
Description: Websockets server and client library
Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
Libs: -L\${libdir} -lwebsockets
Cflags: -I\${includedir}"
)
install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
DESTINATION lib${LIB_SUFFIX}/pkgconfig)
endif(UNIX)
#
# Installation preparations.
#
if(WIN32 AND NOT CYGWIN)
set(DEF_INSTALL_CMAKE_DIR cmake)
else()
set(DEF_INSTALL_CMAKE_DIR lib${LIB_SUFFIX}/cmake/libwebsockets)
endif()
set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
# Export targets (This is used for other CMake projects to easily find the libraries and include files).
export(TARGETS ${LWS_LIBRARIES}
FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
export(PACKAGE libwebsockets)
# Generate the config file for the build-tree.
set(LWS__INCLUDE_DIRS
"${PROJECT_SOURCE_DIR}/lib"
"${PROJECT_BINARY_DIR}")
set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
@ONLY)
# Generate the config file for the installation tree.
get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
file(RELATIVE_PATH
REL_INCLUDE_DIR
"${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
"${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
# Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
# we escape it here so it's evaluated when it is included instead
# so that the include dirs are given relative to where the
# config file is located.
set(LWS__INCLUDE_DIRS
"\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
@ONLY)
# Generate version info for both build-tree and install-tree.
configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
@ONLY)
set_target_properties(${LWS_LIBRARIES}
PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
#
# Installation.
#
# Install libs and headers.
install(TARGETS ${LWS_LIBRARIES}
EXPORT LibwebsocketsTargets
LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
# Install test apps.
if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
install(TARGETS test-client ${TEST_APP_LIST}
RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
COMPONENT examples)
set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
endif()
# lwsws
if (LWS_WITH_LWSWS)
install(TARGETS lwsws
RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT lwsws )
endif()
# Programs shared files used by the test-server.
if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
install(FILES ${TEST_SERVER_DATA}
DESTINATION share/libwebsockets-test-server
COMPONENT examples)
if (LWS_WITH_CGI)
set(CGI_TEST_SCRIPT "${PROJECT_SOURCE_DIR}/test-server/lws-cgi-test.sh")
install(FILES ${CGI_TEST_SCRIPT}
PERMISSIONS OWNER_EXECUTE GROUP_EXECUTE WORLD_EXECUTE OWNER_READ GROUP_READ WORLD_READ
DESTINATION share/libwebsockets-test-server
COMPONENT examples)
endif()
endif()
# plugins
if (LWS_WITH_PLUGINS)
install(TARGETS ${PLUGINS_LIST}
PERMISSIONS OWNER_EXECUTE GROUP_EXECUTE WORLD_EXECUTE OWNER_READ GROUP_READ WORLD_READ
DESTINATION share/libwebsockets-test-server/plugins
COMPONENT plugins)
endif()
# Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
install(FILES
"${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
"${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
# Install exports for the install-tree.
install(EXPORT LibwebsocketsTargets
DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
# build subdir is not part of sources
set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
# Most people are more used to "make dist" compared to "make package_source"
add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
include(UseRPMTools)
if (RPMTools_FOUND)
RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
endif()
message("---------------------------------------------------------------------")
message(" Settings: (For more help do cmake -LH <srcpath>)")
message("---------------------------------------------------------------------")
message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
if (LWS_USE_WOLFSSL)
message(" LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
message(" LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
endif()
message(" LWS_USE_POLARSSL = ${LWS_USE_POLARSSL} (PolarSSL replacement for OpenSSL)")
message(" LWS_USE_MBEDTLS = ${LWS_USE_MBEDTLS} (mbedtls (nee Polarssl) replacement for OpenSSL)")
message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
message(" LWS_USE_LIBUV = ${LWS_USE_LIBUV}")
message(" LWS_IPV6 = ${LWS_IPV6}")
message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
message(" LWS_MBED3 = ${LWS_MBED3}")
message(" LWS_SSL_SERVER_WITH_ECDH_CERT = ${LWS_SSL_SERVER_WITH_ECDH_CERT}")
message(" LWS_MAX_SMP = ${LWS_MAX_SMP}")
message(" LWS_WITH_CGI = ${LWS_WITH_CGI}")
message(" LWS_HAVE_OPENSSL_ECDH_H = ${LWS_HAVE_OPENSSL_ECDH_H}")
message(" LWS_WITH_HTTP_PROXY = ${LWS_WITH_HTTP_PROXY}")
message(" LIBHUBBUB_LIBRARIES = ${LIBHUBBUB_LIBRARIES}")
message(" PLUGINS = ${PLUGINS_LIST}")
message("---------------------------------------------------------------------")
# These will be available to parent projects including libwebsockets using add_subdirectory()
set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
if (LWS_WITH_STATIC)
set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
endif()
if (LWS_WITH_SHARED)
set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
endif()
# This must always be last!
include(CPack)
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