1 cmake_minimum_required(VERSION 2.8)
3 if(NOT DEFINED CMAKE_BUILD_TYPE)
4 set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
7 project(libwebsockets C)
9 set(PACKAGE "libwebsockets")
10 set(CPACK_PACKAGE_NAME "${PACKAGE}")
11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
12 set(CPACK_PACKAGE_VERSION_MINOR "6")
13 set(CPACK_PACKAGE_VERSION_PATCH "0")
14 set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
15 set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
16 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
18 set(CPACK_SOURCE_GENERATOR "TGZ")
19 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
20 set(VERSION "${CPACK_PACKAGE_VERSION}")
22 set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
23 set(LWS_LIBRARY_VERSION_MAJOR ${CPACK_PACKAGE_VERSION_MAJOR})
24 set(LWS_LIBRARY_VERSION_MINOR ${CPACK_PACKAGE_VERSION_MINOR})
25 set(LWS_LIBRARY_VERSION_PATCH ${CPACK_PACKAGE_VERSION_PATCH})
27 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
29 message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
31 # Try to find the current Git hash.
35 WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
36 COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
37 OUTPUT_VARIABLE GIT_HASH
38 OUTPUT_STRIP_TRAILING_WHITESPACE
41 set(LWS_BUILD_HASH ${GIT_HASH})
42 message("Git commit hash: ${LWS_BUILD_HASH}")
45 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
47 set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
50 option(LWS_WITH_STATIC "Build the static version of the library" ON)
51 option(LWS_WITH_SHARED "Build the shared version of the library" ON)
52 option(LWS_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
53 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)
54 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)
55 option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
56 option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
57 option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
58 option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
59 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)
60 option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
61 option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
62 option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
63 option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
64 option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
65 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
66 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
67 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
68 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
69 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
70 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
71 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
72 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
73 option(LWS_IPV6 "Compile with support for ipv6" OFF)
74 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
75 option(LWS_MBED3 "Platform is MBED3" OFF)
77 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
79 set(LWS_WITH_SHARED OFF)
81 set(LWS_WITH_ZLIB OFF)
82 set(LWS_WITHOUT_CLIENT ON)
83 set(LWS_WITHOUT_TESTAPPS ON)
84 set(LWS_WITHOUT_EXTENSIONS ON)
89 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
91 set(LWS_WITH_SHARED OFF)
93 set(LWS_WITH_ZLIB OFF)
94 set(LWS_WITHOUT_CLIENT ON)
95 set(LWS_WITHOUT_TESTAPPS ON)
96 set(LWS_WITHOUT_EXTENSIONS ON)
102 # Allow the user to override installation directories.
103 set(LWS_INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
104 set(LWS_INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
105 set(LWS_INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
106 set(LWS_INSTALL_EXAMPLES_DIR bin CACHE PATH "Installation directory for example files")
108 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
109 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
110 message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
113 # Copy CyaSSL options to the wolfSSL options
114 set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
115 set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
116 set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
119 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
120 message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
123 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
124 message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
127 if (NOT LWS_WITHOUT_EXTENSIONS)
128 if (NOT LWS_WITH_ZLIB)
129 message(FATAL_ERROR "zlib is required for extensions.")
133 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
134 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
135 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
136 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
137 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
138 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
139 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
140 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
142 if (NOT LWS_WITH_SSL)
143 set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
146 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
147 if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
149 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
150 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
155 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
156 if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
157 if (NOT WOLFSSL_FOUND)
159 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
161 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
165 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
166 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
171 set(USE_OLD_CYASSL 1)
175 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
176 if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
178 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
179 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
185 if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
187 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
188 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
193 # FIXME: This must be runtime-only option.
194 # The base dir where the test-apps look for the SSL certs.
195 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
197 set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
201 message(WARNING "IPv6 does not currently work on Windows!")
204 set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
207 if (LWS_WITHOUT_EXTENSIONS)
208 set(LWS_NO_EXTENSIONS 1)
212 set(LWS_OPENSSL_SUPPORT 1)
215 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
216 set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
219 if (LWS_WITH_LATENCY)
223 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
224 set(LWS_NO_DAEMONIZE 1)
227 if (LWS_WITHOUT_SERVER)
231 if (LWS_WITHOUT_CLIENT)
248 set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
252 set(LWS_MINGW_SUPPORT 1)
253 set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
256 include_directories("${PROJECT_BINARY_DIR}")
258 include(CheckCSourceCompiles)
260 # Check for different inline keyword versions.
261 foreach(KEYWORD "inline" "__inline__" "__inline")
262 set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
263 CHECK_C_SOURCE_COMPILES(
266 static KEYWORD void a() {}
267 int main(int argc, char **argv) { a(); return 0; }
268 " LWS_HAVE_${KEYWORD})
271 if (NOT LWS_HAVE_inline)
272 if (LWS_HAVE___inline__)
273 set(inline __inline__)
274 elseif(LWS_HAVE___inline)
279 # Put the libaries and binaries that get built into directories at the
280 # top of the build tree rather than in hard-to-find leaf directories.
281 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
282 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
283 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
285 # Put absolute path of dynamic libraries into the object code. Some
286 # architectures, notably Mac OS X, need this.
287 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
289 include(CheckFunctionExists)
290 include(CheckIncludeFile)
291 include(CheckIncludeFiles)
292 include(CheckLibraryExists)
293 include(CheckTypeSize)
295 if (LWS_WITHOUT_BUILTIN_SHA1)
296 set(LWS_SHA1_USE_OPENSSL_NAME 1)
299 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
300 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
301 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
302 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
303 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
304 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
305 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
306 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
307 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
308 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
310 if (NOT LWS_HAVE_GETIFADDRS)
311 if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
312 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.")
314 set(LWS_BUILTIN_GETIFADDRS 1)
317 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
318 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
319 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
320 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
321 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
322 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
323 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
324 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
325 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
326 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
327 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
328 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
329 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
330 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
331 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
332 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
334 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
335 CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
338 # TODO: These can also be tested to see whether they actually work...
339 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
340 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
342 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
344 # These don't work Cross...
345 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
346 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
347 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
354 set(size_t "unsigned int")
357 if (NOT LWS_HAVE_MALLOC)
358 set(malloc rpl_malloc)
361 if (NOT LWS_HAVE_REALLOC)
362 set(realloc rpl_realloc)
365 # Generate the lws_config.h that includes all the public compilation settings.
367 "${PROJECT_SOURCE_DIR}/lws_config.h.in"
368 "${PROJECT_BINARY_DIR}/lws_config.h")
370 # Generate the lws_config.h that includes all the private compilation settings.
372 "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
373 "${PROJECT_BINARY_DIR}/lws_config_private.h")
376 # Turn off stupid microsoft security warnings.
377 add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
380 include_directories("${PROJECT_SOURCE_DIR}/lib")
382 # Group headers and sources.
383 # Some IDEs use this for nicer file structure.
385 lib/private-libwebsockets.h)
388 "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
389 "${PROJECT_BINARY_DIR}/lws_config.h")
403 if (NOT LWS_WITHOUT_CLIENT)
406 lib/client-handshake.c
415 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
426 # select the active platform files
434 lib/lws-plat-mbed3.cpp
435 lib/lws-plat-mbed3.c)
442 if (NOT LWS_WITHOUT_SERVER)
445 lib/server-handshake.c)
448 if (NOT LWS_WITHOUT_EXTENSIONS)
449 list(APPEND HDR_PRIVATE
450 lib/extension-deflate-frame.h
451 lib/extension-deflate-stream.h)
454 lib/extension-deflate-frame.c
455 lib/extension-deflate-stream.c)
461 endif(LWS_WITH_LIBEV)
463 # Add helper files for Windows.
465 set(WIN32_HELPERS_PATH win32port/win32helpers)
466 include_directories(${WIN32_HELPERS_PATH})
469 if (NOT LWS_WITHOUT_DAEMONIZE)
476 if (NOT LWS_HAVE_GETIFADDRS)
477 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
478 list(APPEND SOURCES lib/getifaddrs.c)
482 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
483 include (CheckCCompilerFlag)
484 CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
485 if (LWS_HAVE_VISIBILITY)
486 set(VISIBILITY_FLAG -fvisibility=hidden)
489 set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
491 set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
495 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
497 # jeez clang understands -pthread but dies if he sees it at link time!
498 # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
499 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
503 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
504 # otherwise osx blows a bunch of openssl deprecated api errors
505 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
508 source_group("Headers Private" FILES ${HDR_PRIVATE})
509 source_group("Headers Public" FILES ${HDR_PUBLIC})
510 source_group("Sources" FILES ${SOURCES})
518 add_library(websockets STATIC
522 list(APPEND LWS_LIBRARIES websockets)
525 # Windows uses the same .lib ending for static libraries and shared
526 # library linker files, so rename the static library.
527 set_target_properties(websockets
529 OUTPUT_NAME websockets_static)
534 add_library(websockets_shared SHARED
538 list(APPEND LWS_LIBRARIES websockets_shared)
540 # We want the shared lib to be named "libwebsockets"
541 # not "libwebsocket_shared".
542 set_target_properties(websockets_shared
544 OUTPUT_NAME websockets)
547 # Compile as DLL (export function declarations)
549 TARGET websockets_shared
550 PROPERTY COMPILE_DEFINITIONS
556 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
560 # Set the so version of the lib.
561 # Equivalent to LDFLAGS=-version-info x:x:x
562 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
563 foreach(lib ${LWS_LIBRARIES})
564 set_target_properties(${lib}
566 SOVERSION ${SOVERSION})
577 # ZLIB (Only needed for deflate extensions).
580 if (LWS_USE_BUNDLED_ZLIB)
582 set(WIN32_ZLIB_PATH "win32port/zlib")
584 ${WIN32_ZLIB_PATH}/adler32.c
585 ${WIN32_ZLIB_PATH}/compress.c
586 ${WIN32_ZLIB_PATH}/crc32.c
587 ${WIN32_ZLIB_PATH}/deflate.c
588 ${WIN32_ZLIB_PATH}/gzclose.c
589 ${WIN32_ZLIB_PATH}/gzio.c
590 ${WIN32_ZLIB_PATH}/gzlib.c
591 ${WIN32_ZLIB_PATH}/gzread.c
592 ${WIN32_ZLIB_PATH}/gzwrite.c
593 ${WIN32_ZLIB_PATH}/infback.c
594 ${WIN32_ZLIB_PATH}/inffast.c
595 ${WIN32_ZLIB_PATH}/inflate.c
596 ${WIN32_ZLIB_PATH}/inftrees.c
597 ${WIN32_ZLIB_PATH}/trees.c
598 ${WIN32_ZLIB_PATH}/uncompr.c
599 ${WIN32_ZLIB_PATH}/zutil.c)
600 add_library(zlib_internal STATIC ${ZLIB_SRCS})
601 set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
602 get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
604 # Make sure zlib_internal is compiled before the libs.
605 foreach (lib ${LWS_LIBRARIES})
606 add_dependencies(${lib} zlib_internal)
609 message(FATAL_ERROR "Don't have bundled zlib for that platform")
611 elseif (NOT ZLIB_FOUND)
612 find_package(ZLIB REQUIRED)
614 message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
615 message("zlib libraries: ${ZLIB_LIBRARIES}")
616 include_directories(${ZLIB_INCLUDE_DIRS})
617 list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
624 message("Compiling with SSL support")
627 # Use wolfSSL as OpenSSL replacement.
628 # TODO: Add a find_package command for this also.
629 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
630 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
632 # Additional to the root directory we need to include
633 # the wolfssl/ subdirectory which contains the OpenSSL
634 # compatibility layer headers.
637 foreach(inc ${WOLFSSL_INCLUDE_DIRS})
638 include_directories("${inc}" "${inc}/cyassl")
641 foreach(inc ${WOLFSSL_INCLUDE_DIRS})
642 include_directories("${inc}" "${inc}/wolfssl")
646 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
648 if (NOT OPENSSL_FOUND)
649 # TODO: Add support for STATIC also.
650 find_package(OpenSSL REQUIRED)
651 set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
654 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
655 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
657 include_directories("${OPENSSL_INCLUDE_DIRS}")
658 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
664 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
665 find_library(LIBEV_LIBRARIES NAMES ev)
666 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
670 message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
671 message("libev libraries: ${LIBEV_LIBRARIES}")
672 include_directories("${LIBEV_INCLUDE_DIRS}")
673 list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
674 endif(LWS_WITH_LIBEV)
677 # Platform specific libs.
680 list(APPEND LIB_LIST ws2.lib)
682 list(APPEND LIB_LIST ws2_32.lib)
686 list(APPEND LIB_LIST m)
689 # Setup the linking for all libs.
690 foreach (lib ${LWS_LIBRARIES})
691 target_link_libraries(${lib} ${LIB_LIST})
698 if (NOT LWS_WITHOUT_TESTAPPS)
700 # Helper function for adding a test app.
702 macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4)
704 set(TEST_SRCS ${MAIN_SRC})
706 if ("${S2}" STREQUAL "")
708 list(APPEND TEST_SRCS ${S2})
710 if ("${S3}" STREQUAL "")
712 list(APPEND TEST_SRCS ${S3})
714 if ("${S4}" STREQUAL "")
716 list(APPEND TEST_SRCS ${S4})
719 list(APPEND TEST_SRCS
720 ${WIN32_HELPERS_PATH}/getopt.c
721 ${WIN32_HELPERS_PATH}/getopt_long.c
722 ${WIN32_HELPERS_PATH}/gettimeofday.c
726 ${WIN32_HELPERS_PATH}/getopt.h
727 ${WIN32_HELPERS_PATH}/gettimeofday.h
731 source_group("Headers Private" FILES ${TEST_HDR})
732 source_group("Sources" FILES ${TEST_SRCS})
733 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
735 if (LWS_LINK_TESTAPPS_DYNAMIC)
736 if (NOT LWS_WITH_SHARED)
737 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
739 target_link_libraries(${TEST_NAME} websockets_shared)
740 add_dependencies(${TEST_NAME} websockets_shared)
742 if (NOT LWS_WITH_STATIC)
743 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
745 target_link_libraries(${TEST_NAME} websockets)
746 add_dependencies(${TEST_NAME} websockets)
749 # Set test app specific defines.
750 set_property(TARGET ${TEST_NAME}
751 PROPERTY COMPILE_DEFINITIONS
752 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
755 # Prefix the binary names with libwebsockets.
756 set_target_properties(${TEST_NAME}
758 OUTPUT_NAME libwebsockets-${TEST_NAME})
760 # Add to the list of tests.
761 list(APPEND TEST_APP_LIST ${TEST_NAME})
764 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
765 message("Searching for OpenSSL executable and dlls")
766 find_package(OpenSSLbins)
767 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
770 if (NOT LWS_WITHOUT_SERVER)
774 if (NOT LWS_WITHOUT_TEST_SERVER)
775 create_test_app(test-server "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
776 if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
777 create_test_app(test-server-pthreads "test-server/test-server-pthreads.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
782 # test-server-extpoll
784 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
785 create_test_app(test-server-extpoll "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
786 # Set defines for this executable only.
788 TARGET test-server-extpoll
789 PROPERTY COMPILE_DEFINITIONS
791 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
794 # We need to link against winsock code.
796 target_link_libraries(test-server-extpoll ws2_32.lib)
800 # Data files for running the test server.
802 "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
803 "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
804 "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
805 "${PROJECT_SOURCE_DIR}/test-server/test.html")
807 # Generate self-signed SSL certs for the test-server.
808 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
809 message("Generating SSL Certificates for the test-server...")
811 set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
812 set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
816 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 \"${TEST_SERVER_SSL_CERT}\"")
818 COMMAND "${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}"
819 RESULT_VARIABLE OPENSSL_RETURN_CODE)
821 file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
825 "libwebsockets-test\n"
827 "none@invalid.org\n\n"
830 # The "type" command is a bit picky with paths.
831 file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
832 message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
833 message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
836 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
837 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
838 RESULT_VARIABLE OPENSSL_RETURN_CODE
839 OUTPUT_QUIET ERROR_QUIET)
844 if (OPENSSL_RETURN_CODE)
845 message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
847 message("SUCCSESFULLY generated SSL certificate")
852 COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
853 COMMAND "${OPENSSL_EXECUTABLE}"
854 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
855 RESULT_VARIABLE OPENSSL_RETURN_CODE
856 OUTPUT_QUIET ERROR_QUIET)
858 if (OPENSSL_RETURN_CODE)
859 message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
861 message("SUCCESSFULLY generated SSL certificate")
865 list(APPEND TEST_SERVER_DATA
866 "${TEST_SERVER_SSL_KEY}"
867 "${TEST_SERVER_SSL_CERT}")
870 add_custom_command(TARGET test-server
872 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
874 # Copy the file needed to run the server so that the test apps can
875 # reach them from their default output location
876 foreach (TEST_FILE ${TEST_SERVER_DATA})
877 if (EXISTS ${TEST_FILE})
878 add_custom_command(TARGET test-server
880 COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
883 endif(NOT LWS_WITHOUT_SERVER)
885 if (NOT LWS_WITHOUT_CLIENT)
889 if (NOT LWS_WITHOUT_TEST_CLIENT)
890 create_test_app(test-client "test-server/test-client.c" "" "" "")
896 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
897 create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "")
903 if (NOT LWS_WITHOUT_TEST_PING)
904 create_test_app(test-ping "test-server/test-ping.c" "" "" "")
909 if (NOT WITHOUT_TEST_ECHO)
910 create_test_app(test-echo "test-server/test-echo.c" "" "" "")
913 endif(NOT LWS_WITHOUT_CLIENT)
916 # Copy OpenSSL dlls to the output directory on Windows.
917 # (Otherwise we'll get an error when trying to run)
919 if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
920 if(OPENSSL_BIN_FOUND)
921 message("OpenSSL dlls found:")
922 message(" Libeay: ${LIBEAY_BIN}")
923 message(" SSLeay: ${SSLEAY_BIN}")
925 foreach(TARGET_BIN ${TEST_APP_LIST})
926 add_custom_command(TARGET ${TARGET_BIN}
928 COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
929 add_custom_command(TARGET ${TARGET_BIN}
931 COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
935 endif(NOT LWS_WITHOUT_TESTAPPS)
938 # Generate documentation.
939 # TODO: Fix this on Windows.
940 message("Generating API documentation")
941 file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
942 execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
945 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
946 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
950 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
951 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
954 # Generate and install pkgconfig.
955 # (This is not indented, because the tabs will be part of the output)
956 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
957 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
958 exec_prefix=\${prefix}
959 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
960 includedir=\${prefix}/include
963 Description: Websockets server and client library
964 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
966 Libs: -L\${libdir} -lwebsockets
967 Cflags: -I\${includedir}"
970 install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
971 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
975 # Installation preparations.
978 if(WIN32 AND NOT CYGWIN)
979 set(DEF_INSTALL_CMAKE_DIR cmake)
981 set(DEF_INSTALL_CMAKE_DIR lib/cmake/libwebsockets)
984 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
986 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
987 export(TARGETS ${LWS_LIBRARIES}
988 FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
989 export(PACKAGE libwebsockets)
991 # Generate the config file for the build-tree.
992 set(LWS__INCLUDE_DIRS
993 "${PROJECT_SOURCE_DIR}/lib"
994 "${PROJECT_BINARY_DIR}")
995 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
996 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
997 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
1000 # Generate the config file for the installation tree.
1001 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1002 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1005 "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1006 "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1008 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1009 # we escape it here so it's evaluated when it is included instead
1010 # so that the include dirs are given relative to where the
1011 # config file is located.
1012 set(LWS__INCLUDE_DIRS
1013 "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1014 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1015 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1018 # Generate version info for both build-tree and install-tree.
1019 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1020 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1023 set_target_properties(${LWS_LIBRARIES}
1024 PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1030 # Install libs and headers.
1031 install(TARGETS ${LWS_LIBRARIES}
1032 EXPORT LibwebsocketsTargets
1033 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1034 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1035 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1036 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1037 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1038 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1040 # Install test apps.
1041 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1042 install(TARGETS test-client ${TEST_APP_LIST}
1043 RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1045 set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1048 # Programs shared files used by the test-server.
1049 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1050 install(FILES ${TEST_SERVER_DATA}
1051 DESTINATION share/libwebsockets-test-server
1055 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1057 "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1058 "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1059 DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1061 # build subdir is not part of sources
1062 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1064 # Most people are more used to "make dist" compared to "make package_source"
1065 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1067 include(UseRPMTools)
1069 RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1072 message("---------------------------------------------------------------------")
1073 message(" Settings: (For more help do cmake -LH <srcpath>)")
1074 message("---------------------------------------------------------------------")
1075 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1076 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1077 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1078 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1079 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1080 if (LWS_USE_WOLFSSL)
1081 message(" LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1082 message(" LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1084 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1085 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1086 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1087 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1088 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1089 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1090 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1091 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1092 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1093 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1094 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1095 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1096 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1097 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1098 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1099 message(" LWS_IPV6 = ${LWS_IPV6}")
1100 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1101 message(" LWS_MBED3 = ${LWS_MBED3}")
1102 message("---------------------------------------------------------------------")
1104 # These will be available to parent projects including libwebsockets using add_subdirectory()
1105 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1106 if (LWS_WITH_STATIC)
1107 set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1109 if (LWS_WITH_SHARED)
1110 set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1113 # This must always be last!