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 "${PACKAGE}")
11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
12 set(CPACK_PACKAGE_VERSION_MINOR "5")
13 set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}")
14 set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
15 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
17 set(CPACK_SOURCE_GENERATOR "TGZ")
18 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
19 set(VERSION "${CPACK_PACKAGE_VERSION}")
21 set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
22 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
24 message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
26 # Try to find the current Git hash.
30 WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
31 COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
32 OUTPUT_VARIABLE GIT_HASH
33 OUTPUT_STRIP_TRAILING_WHITESPACE
36 set(LWS_BUILD_HASH ${GIT_HASH})
37 message("Git commit hash: ${LWS_BUILD_HASH}")
40 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
42 set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
45 option(LWS_WITH_STATIC "Build the static version of the library" ON)
46 option(LWS_WITH_SHARED "Build the shared version of the library" ON)
47 option(LWS_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
48 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)
49 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)
50 option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
51 option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
52 option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
53 option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
54 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)
55 option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
56 option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
57 option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
58 option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
59 option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
60 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
61 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
62 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
63 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
64 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
65 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
66 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
67 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
68 option(LWS_IPV6 "Compile with support for ipv6" OFF)
69 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
70 option(LWS_MBED3 "Platform is MBED3" OFF)
71 option(LWS_WITH_OLD_API_WRAPPERS "Compile with binary compatibility with pre-v1.6 apis" OFF)
73 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
75 set(LWS_WITH_SHARED OFF)
77 set(LWS_WITH_ZLIB OFF)
78 set(LWS_WITHOUT_CLIENT ON)
79 set(LWS_WITHOUT_TESTAPPS ON)
80 set(LWS_WITHOUT_EXTENSIONS ON)
85 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
87 set(LWS_WITH_SHARED OFF)
89 set(LWS_WITH_ZLIB OFF)
90 set(LWS_WITHOUT_CLIENT ON)
91 set(LWS_WITHOUT_TESTAPPS ON)
92 set(LWS_WITHOUT_EXTENSIONS ON)
98 # Allow the user to override installation directories.
99 set(LWS_INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
100 set(LWS_INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
101 set(LWS_INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
102 set(LWS_INSTALL_EXAMPLES_DIR bin CACHE PATH "Installation directory for example files")
104 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
105 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
106 message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
109 # Copy CyaSSL options to the wolfSSL options
110 set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
111 set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
112 set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
115 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
116 message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
119 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
120 message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
123 if (NOT LWS_WITHOUT_EXTENSIONS)
124 if (NOT LWS_WITH_ZLIB)
125 message(FATAL_ERROR "zlib is required for extensions.")
129 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
130 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
131 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
132 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
133 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
134 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
135 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
136 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
138 if (NOT LWS_WITH_SSL)
139 set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
142 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
143 if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
145 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
146 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
151 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
152 if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
153 if (NOT WOLFSSL_FOUND)
155 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
157 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
161 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
162 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
167 set(USE_OLD_CYASSL 1)
171 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
172 if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
174 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
175 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
181 if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
183 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
184 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
189 # FIXME: This must be runtime-only option.
190 # The base dir where the test-apps look for the SSL certs.
191 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
193 set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
197 message(WARNING "IPv6 does not currently work on Windows!")
200 set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
203 if (LWS_WITHOUT_EXTENSIONS)
204 set(LWS_NO_EXTENSIONS 1)
208 set(LWS_OPENSSL_SUPPORT 1)
211 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
212 set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
215 if (LWS_WITH_LATENCY)
219 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
220 set(LWS_NO_DAEMONIZE 1)
223 if (LWS_WITHOUT_SERVER)
227 if (LWS_WITHOUT_CLIENT)
244 set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
248 set(LWS_MINGW_SUPPORT 1)
249 set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
252 include_directories("${PROJECT_BINARY_DIR}")
254 include(CheckCSourceCompiles)
256 # Check for different inline keyword versions.
257 foreach(KEYWORD "inline" "__inline__" "__inline")
258 set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
259 CHECK_C_SOURCE_COMPILES(
262 static KEYWORD void a() {}
263 int main(int argc, char **argv) { a(); return 0; }
264 " LWS_HAVE_${KEYWORD})
267 if (NOT LWS_HAVE_inline)
268 if (LWS_HAVE___inline__)
269 set(inline __inline__)
270 elseif(LWS_HAVE___inline)
275 # Put the libaries and binaries that get built into directories at the
276 # top of the build tree rather than in hard-to-find leaf directories.
277 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
278 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
279 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
281 # Put absolute path of dynamic libraries into the object code. Some
282 # architectures, notably Mac OS X, need this.
283 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
285 include(CheckFunctionExists)
286 include(CheckIncludeFile)
287 include(CheckIncludeFiles)
288 include(CheckLibraryExists)
289 include(CheckTypeSize)
291 if (LWS_WITHOUT_BUILTIN_SHA1)
292 set(LWS_SHA1_USE_OPENSSL_NAME 1)
295 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
296 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
297 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
298 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
299 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
300 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
301 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
302 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
303 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
304 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
306 if (NOT LWS_HAVE_GETIFADDRS)
307 if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
308 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.")
310 set(LWS_BUILTIN_GETIFADDRS 1)
313 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
314 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
315 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
316 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
317 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
318 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
319 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
320 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
321 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
322 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
323 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
324 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
325 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
326 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
327 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
328 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
330 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
331 CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
334 # TODO: These can also be tested to see whether they actually work...
335 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
336 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
338 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
340 # These don't work Cross...
341 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
342 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
343 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
350 set(size_t "unsigned int")
353 if (NOT LWS_HAVE_MALLOC)
354 set(malloc rpl_malloc)
357 if (NOT LWS_HAVE_REALLOC)
358 set(realloc rpl_realloc)
361 # Generate the lws_config.h that includes all the public compilation settings.
363 "${PROJECT_SOURCE_DIR}/lws_config.h.in"
364 "${PROJECT_BINARY_DIR}/lws_config.h")
366 # Generate the lws_config.h that includes all the private compilation settings.
368 "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
369 "${PROJECT_BINARY_DIR}/lws_config_private.h")
372 # Turn off stupid microsoft security warnings.
373 add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
376 include_directories("${PROJECT_SOURCE_DIR}/lib")
378 # Group headers and sources.
379 # Some IDEs use this for nicer file structure.
381 lib/private-libwebsockets.h)
384 "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
385 "${PROJECT_BINARY_DIR}/lws_config.h")
399 if (NOT LWS_WITHOUT_CLIENT)
402 lib/client-handshake.c
411 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
422 # select the active platform files
430 lib/lws-plat-mbed3.cpp
431 lib/lws-plat-mbed3.c)
438 if (NOT LWS_WITHOUT_SERVER)
441 lib/server-handshake.c)
444 if (NOT LWS_WITHOUT_EXTENSIONS)
445 list(APPEND HDR_PRIVATE
446 lib/extension-deflate-frame.h
447 lib/extension-deflate-stream.h)
450 lib/extension-deflate-frame.c
451 lib/extension-deflate-stream.c)
457 endif(LWS_WITH_LIBEV)
459 # Add helper files for Windows.
461 set(WIN32_HELPERS_PATH win32port/win32helpers)
462 include_directories(${WIN32_HELPERS_PATH})
465 if (NOT LWS_WITHOUT_DAEMONIZE)
472 if (NOT LWS_HAVE_GETIFADDRS)
473 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
474 list(APPEND SOURCES lib/getifaddrs.c)
478 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
479 include (CheckCCompilerFlag)
480 CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
481 if (LWS_HAVE_VISIBILITY)
482 set(VISIBILITY_FLAG -fvisibility=hidden)
485 set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
487 set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
491 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
493 # jeez clang understands -pthread but dies if he sees it at link time!
494 # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
495 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
499 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
500 # otherwise osx blows a bunch of openssl deprecated api errors
501 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
504 source_group("Headers Private" FILES ${HDR_PRIVATE})
505 source_group("Headers Public" FILES ${HDR_PUBLIC})
506 source_group("Sources" FILES ${SOURCES})
514 add_library(websockets STATIC
518 list(APPEND LWS_LIBRARIES websockets)
521 # Windows uses the same .lib ending for static libraries and shared
522 # library linker files, so rename the static library.
523 set_target_properties(websockets
525 OUTPUT_NAME websockets_static)
530 add_library(websockets_shared SHARED
534 list(APPEND LWS_LIBRARIES websockets_shared)
536 # We want the shared lib to be named "libwebsockets"
537 # not "libwebsocket_shared".
538 set_target_properties(websockets_shared
540 OUTPUT_NAME websockets)
543 # Compile as DLL (export function declarations)
545 TARGET websockets_shared
546 PROPERTY COMPILE_DEFINITIONS
552 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
556 # Set the so version of the lib.
557 # Equivalent to LDFLAGS=-version-info x:x:x
558 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
559 foreach(lib ${LWS_LIBRARIES})
560 set_target_properties(${lib}
562 SOVERSION ${SOVERSION})
573 # ZLIB (Only needed for deflate extensions).
576 if (LWS_USE_BUNDLED_ZLIB)
578 set(WIN32_ZLIB_PATH "win32port/zlib")
580 ${WIN32_ZLIB_PATH}/adler32.c
581 ${WIN32_ZLIB_PATH}/compress.c
582 ${WIN32_ZLIB_PATH}/crc32.c
583 ${WIN32_ZLIB_PATH}/deflate.c
584 ${WIN32_ZLIB_PATH}/gzclose.c
585 ${WIN32_ZLIB_PATH}/gzio.c
586 ${WIN32_ZLIB_PATH}/gzlib.c
587 ${WIN32_ZLIB_PATH}/gzread.c
588 ${WIN32_ZLIB_PATH}/gzwrite.c
589 ${WIN32_ZLIB_PATH}/infback.c
590 ${WIN32_ZLIB_PATH}/inffast.c
591 ${WIN32_ZLIB_PATH}/inflate.c
592 ${WIN32_ZLIB_PATH}/inftrees.c
593 ${WIN32_ZLIB_PATH}/trees.c
594 ${WIN32_ZLIB_PATH}/uncompr.c
595 ${WIN32_ZLIB_PATH}/zutil.c)
596 add_library(zlib_internal STATIC ${ZLIB_SRCS})
597 set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
598 get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
600 # Make sure zlib_internal is compiled before the libs.
601 foreach (lib ${LWS_LIBRARIES})
602 add_dependencies(${lib} zlib_internal)
605 message(FATAL_ERROR "Don't have bundled zlib for that platform")
607 elseif (NOT ZLIB_FOUND)
608 find_package(ZLIB REQUIRED)
610 message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
611 message("zlib libraries: ${ZLIB_LIBRARIES}")
612 include_directories(${ZLIB_INCLUDE_DIRS})
613 list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
620 message("Compiling with SSL support")
623 # Use wolfSSL as OpenSSL replacement.
624 # TODO: Add a find_package command for this also.
625 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
626 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
628 # Additional to the root directory we need to include
629 # the wolfssl/ subdirectory which contains the OpenSSL
630 # compatibility layer headers.
633 foreach(inc ${WOLFSSL_INCLUDE_DIRS})
634 include_directories("${inc}" "${inc}/cyassl")
637 foreach(inc ${WOLFSSL_INCLUDE_DIRS})
638 include_directories("${inc}" "${inc}/wolfssl")
642 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
644 if (NOT OPENSSL_FOUND)
645 # TODO: Add support for STATIC also.
646 find_package(OpenSSL REQUIRED)
647 set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
650 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
651 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
653 include_directories("${OPENSSL_INCLUDE_DIRS}")
654 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
660 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
661 find_library(LIBEV_LIBRARIES NAMES ev)
662 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
666 message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
667 message("libev libraries: ${LIBEV_LIBRARIES}")
668 include_directories("${LIBEV_INCLUDE_DIRS}")
669 list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
670 endif(LWS_WITH_LIBEV)
673 # Platform specific libs.
676 list(APPEND LIB_LIST ws2.lib)
678 list(APPEND LIB_LIST ws2_32.lib)
682 list(APPEND LIB_LIST m)
685 # Setup the linking for all libs.
686 foreach (lib ${LWS_LIBRARIES})
687 target_link_libraries(${lib} ${LIB_LIST})
694 if (NOT LWS_WITHOUT_TESTAPPS)
696 # Helper function for adding a test app.
698 macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4)
700 set(TEST_SRCS ${MAIN_SRC})
702 if ("${S2}" STREQUAL "")
704 list(APPEND TEST_SRCS ${S2})
706 if ("${S3}" STREQUAL "")
708 list(APPEND TEST_SRCS ${S3})
710 if ("${S4}" STREQUAL "")
712 list(APPEND TEST_SRCS ${S4})
715 list(APPEND TEST_SRCS
716 ${WIN32_HELPERS_PATH}/getopt.c
717 ${WIN32_HELPERS_PATH}/getopt_long.c
718 ${WIN32_HELPERS_PATH}/gettimeofday.c
722 ${WIN32_HELPERS_PATH}/getopt.h
723 ${WIN32_HELPERS_PATH}/gettimeofday.h
727 source_group("Headers Private" FILES ${TEST_HDR})
728 source_group("Sources" FILES ${TEST_SRCS})
729 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
731 if (LWS_LINK_TESTAPPS_DYNAMIC)
732 if (NOT LWS_WITH_SHARED)
733 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
735 target_link_libraries(${TEST_NAME} websockets_shared)
736 add_dependencies(${TEST_NAME} websockets_shared)
738 if (NOT LWS_WITH_STATIC)
739 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
741 target_link_libraries(${TEST_NAME} websockets)
742 add_dependencies(${TEST_NAME} websockets)
745 # Set test app specific defines.
746 set_property(TARGET ${TEST_NAME}
747 PROPERTY COMPILE_DEFINITIONS
748 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
751 # Prefix the binary names with libwebsockets.
752 set_target_properties(${TEST_NAME}
754 OUTPUT_NAME libwebsockets-${TEST_NAME})
756 # Add to the list of tests.
757 list(APPEND TEST_APP_LIST ${TEST_NAME})
760 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
761 message("Searching for OpenSSL executable and dlls")
762 find_package(OpenSSLbins)
763 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
766 if (NOT LWS_WITHOUT_SERVER)
770 if (NOT LWS_WITHOUT_TEST_SERVER)
771 create_test_app(test-server "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
772 if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
773 create_test_app(test-server-pthreads "test-server/test-server-pthreads.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
778 # test-server-extpoll
780 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
781 create_test_app(test-server-extpoll "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
782 # Set defines for this executable only.
784 TARGET test-server-extpoll
785 PROPERTY COMPILE_DEFINITIONS
787 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
790 # We need to link against winsock code.
792 target_link_libraries(test-server-extpoll ws2_32.lib)
796 # Data files for running the test server.
798 "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
799 "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
800 "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
801 "${PROJECT_SOURCE_DIR}/test-server/test.html")
803 # Generate self-signed SSL certs for the test-server.
804 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
805 message("Generating SSL Certificates for the test-server...")
807 set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
808 set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
812 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 \"${TEST_SERVER_SSL_CERT}\"")
814 COMMAND "${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}"
815 RESULT_VARIABLE OPENSSL_RETURN_CODE)
817 file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
821 "libwebsockets-test\n"
823 "none@invalid.org\n\n"
826 # The "type" command is a bit picky with paths.
827 file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
828 message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
829 message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
832 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
833 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
834 RESULT_VARIABLE OPENSSL_RETURN_CODE
835 OUTPUT_QUIET ERROR_QUIET)
840 if (OPENSSL_RETURN_CODE)
841 message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
843 message("SUCCSESFULLY generated SSL certificate")
848 COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
849 COMMAND "${OPENSSL_EXECUTABLE}"
850 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
851 RESULT_VARIABLE OPENSSL_RETURN_CODE
852 OUTPUT_QUIET ERROR_QUIET)
854 if (OPENSSL_RETURN_CODE)
855 message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
857 message("SUCCESSFULLY generated SSL certificate")
861 list(APPEND TEST_SERVER_DATA
862 "${TEST_SERVER_SSL_KEY}"
863 "${TEST_SERVER_SSL_CERT}")
866 add_custom_command(TARGET test-server
868 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
870 # Copy the file needed to run the server so that the test apps can
871 # reach them from their default output location
872 foreach (TEST_FILE ${TEST_SERVER_DATA})
873 if (EXISTS ${TEST_FILE})
874 add_custom_command(TARGET test-server
876 COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
879 endif(NOT LWS_WITHOUT_SERVER)
881 if (NOT LWS_WITHOUT_CLIENT)
885 if (NOT LWS_WITHOUT_TEST_CLIENT)
886 create_test_app(test-client "test-server/test-client.c" "" "" "")
892 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
893 create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "")
899 if (NOT LWS_WITHOUT_TEST_PING)
900 create_test_app(test-ping "test-server/test-ping.c" "" "" "")
905 if (NOT WITHOUT_TEST_ECHO)
906 create_test_app(test-echo "test-server/test-echo.c" "" "" "")
909 endif(NOT LWS_WITHOUT_CLIENT)
912 # Copy OpenSSL dlls to the output directory on Windows.
913 # (Otherwise we'll get an error when trying to run)
915 if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
916 if(OPENSSL_BIN_FOUND)
917 message("OpenSSL dlls found:")
918 message(" Libeay: ${LIBEAY_BIN}")
919 message(" SSLeay: ${SSLEAY_BIN}")
921 foreach(TARGET_BIN ${TEST_APP_LIST})
922 add_custom_command(TARGET ${TARGET_BIN}
924 COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
925 add_custom_command(TARGET ${TARGET_BIN}
927 COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
931 endif(NOT LWS_WITHOUT_TESTAPPS)
934 # Generate documentation.
935 # TODO: Fix this on Windows.
936 message("Generating API documentation")
937 file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
938 execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
941 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
942 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
946 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
947 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
950 # Generate and install pkgconfig.
951 # (This is not indented, because the tabs will be part of the output)
952 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
953 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
954 exec_prefix=\${prefix}
955 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
956 includedir=\${prefix}/include
959 Description: Websockets server and client library
960 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}
962 Libs: -L\${libdir} -lwebsockets
963 Cflags: -I\${includedir}"
966 install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
967 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
971 # Installation preparations.
974 if(WIN32 AND NOT CYGWIN)
975 set(DEF_INSTALL_CMAKE_DIR cmake)
977 set(DEF_INSTALL_CMAKE_DIR lib/cmake/libwebsockets)
980 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
982 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
983 export(TARGETS ${LWS_LIBRARIES}
984 FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
985 export(PACKAGE libwebsockets)
987 # Generate the config file for the build-tree.
988 set(LWS__INCLUDE_DIRS
989 "${PROJECT_SOURCE_DIR}/lib"
990 "${PROJECT_BINARY_DIR}")
991 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
992 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
993 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
996 # Generate the config file for the installation tree.
997 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
998 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1001 "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1002 "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1004 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1005 # we escape it here so it's evaluated when it is included instead
1006 # so that the include dirs are given relative to where the
1007 # config file is located.
1008 set(LWS__INCLUDE_DIRS
1009 "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1010 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1011 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1014 # Generate version info for both build-tree and install-tree.
1015 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1016 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1019 set_target_properties(${LWS_LIBRARIES}
1020 PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1026 # Install libs and headers.
1027 install(TARGETS ${LWS_LIBRARIES}
1028 EXPORT LibwebsocketsTargets
1029 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1030 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1031 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1032 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1033 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1034 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1036 # Install test apps.
1037 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1038 install(TARGETS test-client ${TEST_APP_LIST}
1039 RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1041 set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1044 # Programs shared files used by the test-server.
1045 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1046 install(FILES ${TEST_SERVER_DATA}
1047 DESTINATION share/libwebsockets-test-server
1051 # build subdir is not part of sources
1052 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1054 # Most people are more used to "make dist" compared to "make package_source"
1055 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1057 include(UseRPMTools)
1059 RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1062 message("---------------------------------------------------------------------")
1063 message(" Settings: (For more help do cmake -LH <srcpath>)")
1064 message("---------------------------------------------------------------------")
1065 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1066 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1067 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1068 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1069 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1070 if (LWS_USE_WOLFSSL)
1071 message(" LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1072 message(" LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1074 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1075 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1076 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1077 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1078 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1079 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1080 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1081 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1082 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1083 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1084 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1085 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1086 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1087 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1088 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1089 message(" LWS_IPV6 = ${LWS_IPV6}")
1090 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1091 message(" LWS_MBED3 = ${LWS_MBED3}")
1092 message(" LWS_WITH_OLD_API_WRAPPERS = ${LWS_WITH_OLD_API_WRAPPERS}")
1093 message("---------------------------------------------------------------------")
1095 # These will be available to parent projects including libwebsockets using add_subdirectory()
1096 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1097 if (LWS_WITH_STATIC)
1098 set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1100 if (LWS_WITH_SHARED)
1101 set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1104 # This must always be last!