multithreaded service
[platform/upstream/libwebsockets.git] / CMakeLists.txt
1 cmake_minimum_required(VERSION 2.8)
2
3 if(NOT DEFINED CMAKE_BUILD_TYPE)
4         set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
5 endif()
6
7 project(libwebsockets C)
8
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} ${PACKAGE_VERSION}")
17 set(SOVERSION "6")
18 set(CPACK_SOURCE_GENERATOR "TGZ")
19 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
20 set(VERSION "${CPACK_PACKAGE_VERSION}")
21
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})
26
27 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
28
29 message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
30
31 # Try to find the current Git hash.
32 find_package(Git)
33 if(GIT_EXECUTABLE)
34         execute_process(
35     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
36     COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
37     OUTPUT_VARIABLE GIT_HASH
38     OUTPUT_STRIP_TRAILING_WHITESPACE
39     )
40
41     set(LWS_BUILD_HASH ${GIT_HASH})
42     message("Git commit hash: ${LWS_BUILD_HASH}")
43 endif()
44
45 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
46 if(WIN32)
47         set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
48 endif()
49
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_ECHO "Don't build the echo test application" OFF)
69 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
70 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
71 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
72 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
73 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
74 option(LWS_IPV6 "Compile with support for ipv6" OFF)
75 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
76 option(LWS_MBED3 "Platform is MBED3" OFF)
77 option(LWS_SSL_SERVER_WITH_ECDH_CERT "Include SSL server use ECDH certificate" OFF)
78
79 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
80
81 set(LWS_WITH_SHARED OFF)
82 set(LWS_WITH_SSL OFF)
83 set(LWS_WITH_ZLIB OFF)
84 set(LWS_WITHOUT_CLIENT ON)
85 set(LWS_WITHOUT_TESTAPPS ON)
86 set(LWS_WITHOUT_EXTENSIONS ON)
87 set(LWS_MBED3 ON)
88 set(LWS_MAX_SMP 1)
89
90 endif()
91
92
93 # Allow the user to override installation directories.
94 set(LWS_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
95 set(LWS_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
96 set(LWS_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")
97 set(LWS_INSTALL_EXAMPLES_DIR  bin CACHE PATH "Installation directory for example files")
98
99 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
100 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
101         message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
102 endif()
103 if (LWS_USE_CYASSL)
104         # Copy CyaSSL options to the wolfSSL options
105         set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
106         set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
107         set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
108 endif()
109
110 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
111         message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
112 endif()
113
114 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
115         message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
116 endif()
117
118 if (NOT LWS_WITHOUT_EXTENSIONS)
119         if (NOT LWS_WITH_ZLIB)
120                 message(FATAL_ERROR "zlib is required for extensions.")
121         endif()
122 endif()
123
124 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
125 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
126 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
127 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
128 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
129 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
130 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
131 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
132
133 if (NOT LWS_WITH_SSL)
134         set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
135 endif()
136
137 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
138         if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
139         else()
140                 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
141                 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
142                 set(OPENSSL_FOUND 1)
143         endif()
144 endif()
145
146 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
147         if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
148                 if (NOT WOLFSSL_FOUND)
149                         if (LWS_USE_CYASSL)
150                                 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
151                         else()
152                                 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
153                         endif()
154                 endif()
155         else()
156                 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
157                 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
158                 set(WOLFSSL_FOUND 1)
159         endif()
160         set(USE_WOLFSSL 1)
161         if (LWS_USE_CYASSL)
162                 set(USE_OLD_CYASSL 1)
163         endif()
164 endif()
165
166 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
167         if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
168         else()
169                 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
170                 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
171                 set(ZLIB_FOUND 1)
172         endif()
173 endif()
174
175 if (LWS_WITH_LIBEV)
176         if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
177         else()
178                 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
179                 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
180                 set(LIBEV_FOUND 1)
181         endif()
182 endif()
183
184 # FIXME: This must be runtime-only option.
185 # The base dir where the test-apps look for the SSL certs.
186 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
187 if (WIN32)
188         set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
189
190         if (LWS_IPV6)
191                 set(LWS_IPV6 OFF)
192                 message(WARNING "IPv6 does not currently work on Windows!")
193         endif()
194 else()
195         set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
196 endif()
197
198 if (LWS_WITHOUT_EXTENSIONS)
199         set(LWS_NO_EXTENSIONS 1)
200 endif()
201
202 if (LWS_WITH_SSL)
203         set(LWS_OPENSSL_SUPPORT 1)
204 endif()
205
206 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
207         set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
208 endif()
209
210 if (LWS_WITH_LATENCY)
211         set(LWS_LATENCY 1)
212 endif()
213
214 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
215         set(LWS_NO_DAEMONIZE 1)
216 endif()
217
218 if (LWS_WITHOUT_SERVER)
219         set(LWS_NO_SERVER 1)
220 endif()
221
222 if (LWS_WITHOUT_CLIENT)
223         set(LWS_NO_CLIENT 1)
224 endif()
225
226 if (LWS_WITH_LIBEV)
227         set(LWS_USE_LIBEV 1)
228 endif()
229
230 if (LWS_IPV6)
231         set(LWS_USE_IPV6 1)
232 endif()
233
234 if (LWS_WITH_HTTP2)
235         set(LWS_USE_HTTP2 1)
236 endif()
237
238 if ("${LWS_MAX_SMP}" STREQUAL "")
239         set(LWS_MAX_SMP 32)
240 endif()
241
242 #if (LWS_MBED3)
243 #       set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
244 #endif()
245
246 if (MINGW)
247         set(LWS_MINGW_SUPPORT 1)
248         set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
249 endif()
250
251 if (LWS_SSL_SERVER_WITH_ECDH_CERT)
252         set(LWS_SSL_SERVER_WITH_ECDH_CERT 1)
253 endif()
254
255 include_directories("${PROJECT_BINARY_DIR}")
256
257 include(CheckCSourceCompiles)
258
259 # Check for different inline keyword versions.
260 foreach(KEYWORD "inline" "__inline__" "__inline")
261         set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
262         CHECK_C_SOURCE_COMPILES(
263                 "
264                 #include <stdio.h>
265                 static KEYWORD void a() {}
266                 int main(int argc, char **argv) { a(); return 0; }
267                 " LWS_HAVE_${KEYWORD})
268 endforeach()
269
270 if (NOT LWS_HAVE_inline)
271         if (LWS_HAVE___inline__)
272                 set(inline __inline__)
273         elseif(LWS_HAVE___inline)
274                 set(inline __inline)
275         endif()
276 endif()
277
278 # Put the libaries and binaries that get built into directories at the
279 # top of the build tree rather than in hard-to-find leaf directories. 
280 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
281 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
282 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
283
284 # Put absolute path of dynamic libraries into the object code. Some
285 # architectures, notably Mac OS X, need this.
286 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
287
288 include(CheckFunctionExists)
289 include(CheckIncludeFile)
290 include(CheckIncludeFiles)
291 include(CheckLibraryExists)
292 include(CheckTypeSize)
293
294 if (LWS_WITHOUT_BUILTIN_SHA1)
295         set(LWS_SHA1_USE_OPENSSL_NAME 1)
296 endif()
297
298 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
299 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
300 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
301 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
302 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
303 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
304 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
305 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
306 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
307 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
308
309 if (NOT LWS_HAVE_GETIFADDRS)
310         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
311                 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.")
312         endif()
313         set(LWS_BUILTIN_GETIFADDRS 1)
314 endif()
315
316 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
317 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
318 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
319 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
320 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
321 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
322 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
323 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
324 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
325 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
326 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
327 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
328 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
329 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
330 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
331 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
332
333 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
334         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
335 endif()
336
337 # TODO: These can also be tested to see whether they actually work...
338 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
339 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
340
341 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
342
343 # These don't work Cross...
344 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
345 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
346 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
347
348 if (NOT PID_T_SIZE)
349         set(pid_t int)
350 endif()
351
352 if (NOT SIZE_T_SIZE)
353         set(size_t "unsigned int")
354 endif()
355
356 if (NOT LWS_HAVE_MALLOC)
357         set(malloc rpl_malloc)
358 endif()
359
360 if (NOT LWS_HAVE_REALLOC)
361         set(realloc rpl_realloc)
362 endif()
363
364 # Generate the lws_config.h that includes all the public compilation settings.
365 configure_file(
366        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
367        "${PROJECT_BINARY_DIR}/lws_config.h")
368
369 # Generate the lws_config.h that includes all the private compilation settings.
370 configure_file(
371        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
372        "${PROJECT_BINARY_DIR}/lws_config_private.h")
373
374 if (MSVC)
375         # Turn off stupid microsoft security warnings.
376         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
377 endif(MSVC)
378
379 include_directories("${PROJECT_SOURCE_DIR}/lib")
380
381 # Group headers and sources.
382 # Some IDEs use this for nicer file structure.
383 set(HDR_PRIVATE
384         lib/private-libwebsockets.h)
385
386 set(HDR_PUBLIC
387         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
388         "${PROJECT_BINARY_DIR}/lws_config.h")
389
390 set(SOURCES
391         lib/base64-decode.c
392         lib/handshake.c
393         lib/libwebsockets.c
394         lib/service.c
395         lib/pollfd.c
396         lib/output.c
397         lib/parsers.c
398         lib/context.c
399         lib/alloc.c
400         lib/header.c)
401
402 if (NOT LWS_WITHOUT_CLIENT)
403         list(APPEND SOURCES
404                 lib/client.c
405                 lib/client-handshake.c
406                 lib/client-parser.c)
407 endif()
408
409 if (LWS_WITH_SSL)
410         list(APPEND SOURCES
411                 lib/ssl.c)
412 endif()
413
414 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
415         list(APPEND SOURCES
416                 lib/sha-1.c)
417 endif()
418
419 if (LWS_WITH_HTTP2)
420         list(APPEND SOURCES
421                 lib/http2.c
422                 lib/hpack.c
423                 lib/ssl-http2.c)
424 endif()
425 # select the active platform files
426
427 if (WIN32)
428         list(APPEND SOURCES
429                 lib/lws-plat-win.c)
430 else()
431         if (LWS_MBED3)
432                 list(APPEND SOURCES
433                         lib/lws-plat-mbed3.cpp
434                         lib/lws-plat-mbed3.c)
435         else()
436                 list(APPEND SOURCES
437                         lib/lws-plat-unix.c)
438         endif()
439 endif()
440
441 if (NOT LWS_WITHOUT_SERVER)
442         list(APPEND SOURCES
443                 lib/server.c
444                 lib/server-handshake.c)
445 endif()
446
447 if (NOT LWS_WITHOUT_EXTENSIONS)
448         list(APPEND HDR_PRIVATE
449                 lib/extension-permessage-deflate.h)
450         list(APPEND SOURCES
451                 lib/extension.c
452                 lib/extension-permessage-deflate.c)
453 endif()
454
455 if (LWS_WITH_LIBEV)
456         list(APPEND SOURCES
457                 lib/libev.c)
458 endif(LWS_WITH_LIBEV)
459
460 # Add helper files for Windows.
461 if (WIN32)
462         set(WIN32_HELPERS_PATH win32port/win32helpers)
463         include_directories(${WIN32_HELPERS_PATH})
464 else()
465         # Unix.
466         if (NOT LWS_WITHOUT_DAEMONIZE)
467                 list(APPEND SOURCES
468                         lib/daemonize.c)
469         endif()
470 endif()
471
472 if (UNIX)
473         if (NOT LWS_HAVE_GETIFADDRS)
474                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
475                 list(APPEND SOURCES lib/getifaddrs.c)
476         endif()
477 endif()
478
479 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
480     include (CheckCCompilerFlag)
481     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
482     if (LWS_HAVE_VISIBILITY)
483                 set(VISIBILITY_FLAG -fvisibility=hidden)
484     endif()
485     if (UNIX)
486                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
487     else(UNIX)
488                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
489     endif(UNIX)
490 endif ()
491
492 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
493     if (UNIX)
494         # jeez clang understands -pthread but dies if he sees it at link time!
495         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
496         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
497     endif()
498 endif()
499
500 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
501         # otherwise osx blows a bunch of openssl deprecated api errors
502         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
503 endif()
504
505 source_group("Headers Private"  FILES ${HDR_PRIVATE})
506 source_group("Headers Public"   FILES ${HDR_PUBLIC})
507 source_group("Sources"          FILES ${SOURCES})
508
509 #
510 # Create the lib.
511 #
512 set(LWS_LIBRARIES)
513
514 if (LWS_WITH_STATIC)
515         add_library(websockets STATIC
516                                 ${HDR_PRIVATE}
517                                 ${HDR_PUBLIC}
518                                 ${SOURCES})
519         list(APPEND LWS_LIBRARIES websockets)
520
521         if (WIN32)
522                 # Windows uses the same .lib ending for static libraries and shared
523                 # library linker files, so rename the static library.
524                 set_target_properties(websockets
525                         PROPERTIES
526                         OUTPUT_NAME websockets_static)
527         endif()
528 endif()
529
530 if (LWS_WITH_SHARED)
531         add_library(websockets_shared SHARED
532                                 ${HDR_PRIVATE}
533                                 ${HDR_PUBLIC}
534                                 ${SOURCES})
535         list(APPEND LWS_LIBRARIES websockets_shared)
536
537         # We want the shared lib to be named "libwebsockets"
538         # not "libwebsocket_shared".
539         set_target_properties(websockets_shared
540                 PROPERTIES
541                 OUTPUT_NAME websockets)
542
543         if (WIN32)
544                 # Compile as DLL (export function declarations)
545                 set_property(
546                         TARGET websockets_shared
547                         PROPERTY COMPILE_DEFINITIONS
548                         LWS_DLL
549                         LWS_INTERNAL)
550         endif()
551
552         if (APPLE)
553                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
554         endif()
555 endif()
556
557 # Set the so version of the lib.
558 # Equivalent to LDFLAGS=-version-info x:x:x
559 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
560         foreach(lib ${LWS_LIBRARIES})
561                 set_target_properties(${lib}
562                         PROPERTIES
563                         SOVERSION ${SOVERSION})
564         endforeach()
565 endif()
566
567 set(LIB_LIST)
568
569 #
570 # Find libraries.
571 #
572
573 #
574 # ZLIB (Only needed for deflate extensions).
575 #
576 if (LWS_WITH_ZLIB)
577         if (LWS_USE_BUNDLED_ZLIB)
578                 if (WIN32)
579                         set(WIN32_ZLIB_PATH "win32port/zlib")
580                         set(ZLIB_SRCS
581                                 ${WIN32_ZLIB_PATH}/adler32.c
582                                 ${WIN32_ZLIB_PATH}/compress.c
583                                 ${WIN32_ZLIB_PATH}/crc32.c
584                                 ${WIN32_ZLIB_PATH}/deflate.c
585                                 ${WIN32_ZLIB_PATH}/gzclose.c
586                                 ${WIN32_ZLIB_PATH}/gzio.c
587                                 ${WIN32_ZLIB_PATH}/gzlib.c
588                                 ${WIN32_ZLIB_PATH}/gzread.c
589                                 ${WIN32_ZLIB_PATH}/gzwrite.c
590                                 ${WIN32_ZLIB_PATH}/infback.c
591                                 ${WIN32_ZLIB_PATH}/inffast.c
592                                 ${WIN32_ZLIB_PATH}/inflate.c
593                                 ${WIN32_ZLIB_PATH}/inftrees.c
594                                 ${WIN32_ZLIB_PATH}/trees.c
595                                 ${WIN32_ZLIB_PATH}/uncompr.c
596                                 ${WIN32_ZLIB_PATH}/zutil.c)
597                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
598                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
599                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
600                         set(ZLIB_FOUND 1)
601                         # Make sure zlib_internal is compiled before the libs.
602                         foreach (lib ${LWS_LIBRARIES})
603                                 add_dependencies(${lib} zlib_internal)
604                         endforeach()
605                 else()
606                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
607                 endif()
608         elseif (NOT ZLIB_FOUND)
609                 find_package(ZLIB REQUIRED)
610         endif()
611         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
612         message("zlib libraries: ${ZLIB_LIBRARIES}")
613         include_directories(${ZLIB_INCLUDE_DIRS})
614         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
615 endif()
616
617 #
618 # OpenSSL
619 #
620 if (LWS_WITH_SSL)
621         message("Compiling with SSL support")
622
623         if (LWS_USE_WOLFSSL)
624                 # Use wolfSSL as OpenSSL replacement.
625                 # TODO: Add a find_package command for this also.
626                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
627                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
628
629                 # Additional to the root directory we need to include
630                 # the wolfssl/ subdirectory which contains the OpenSSL
631                 # compatibility layer headers.
632
633                 if (LWS_USE_CYASSL)
634                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
635                                 include_directories("${inc}" "${inc}/cyassl")
636                         endforeach()
637                 else()
638                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
639                                 include_directories("${inc}" "${inc}/wolfssl")
640                         endforeach()
641                 endif()
642
643                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
644         else()
645                 if (NOT OPENSSL_FOUND)
646                         # TODO: Add support for STATIC also.
647                         find_package(OpenSSL REQUIRED)
648                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
649                 endif()
650
651                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
652                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
653
654                 include_directories("${OPENSSL_INCLUDE_DIRS}")
655                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
656         endif()
657 endif(LWS_WITH_SSL)
658
659 if (LWS_WITH_LIBEV)
660         if (NOT LIBEV_FOUND)
661                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
662                 find_library(LIBEV_LIBRARIES NAMES ev)
663                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
664                         set(LIBEV_FOUND 1)
665                 endif()
666         endif()
667         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
668         message("libev libraries: ${LIBEV_LIBRARIES}")
669         include_directories("${LIBEV_INCLUDE_DIRS}")
670         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
671 endif(LWS_WITH_LIBEV)
672
673 #
674 # Platform specific libs.
675 #
676 if (WINCE)
677         list(APPEND LIB_LIST ws2.lib)
678 elseif (WIN32)
679         list(APPEND LIB_LIST ws2_32.lib)
680 endif()
681
682 if (UNIX)
683         list(APPEND LIB_LIST m)
684 endif()
685
686 # Setup the linking for all libs.
687 foreach (lib ${LWS_LIBRARIES})
688         target_link_libraries(${lib} ${LIB_LIST})
689 endforeach()
690
691 #
692 # Test applications
693 #
694 set(TEST_APP_LIST)
695 if (NOT LWS_WITHOUT_TESTAPPS)
696         #
697         # Helper function for adding a test app.
698         #
699         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4 S5)
700
701                 set(TEST_SRCS ${MAIN_SRC})
702                 set(TEST_HDR)
703                 if ("${S2}" STREQUAL "")
704                 else()
705                         list(APPEND TEST_SRCS ${S2})
706                 endif()
707                 if ("${S3}" STREQUAL "")
708                 else()
709                         list(APPEND TEST_SRCS ${S3})
710                 endif()
711                 if ("${S4}" STREQUAL "")
712                 else()
713                         list(APPEND TEST_SRCS ${S4})
714                 endif()
715                 if ("${S5}" STREQUAL "")
716                 else()
717                         list(APPEND TEST_SRCS ${S5})
718                 endif()
719                 if (WIN32)
720                         list(APPEND TEST_SRCS
721                                 ${WIN32_HELPERS_PATH}/getopt.c
722                                 ${WIN32_HELPERS_PATH}/getopt_long.c
723                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
724                         )
725
726                         list(APPEND TEST_HDR
727                                 ${WIN32_HELPERS_PATH}/getopt.h
728                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
729                         )
730                 endif(WIN32)
731
732                 source_group("Headers Private"   FILES ${TEST_HDR})
733                 source_group("Sources"   FILES ${TEST_SRCS})
734                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
735
736                 if (LWS_LINK_TESTAPPS_DYNAMIC)
737                         if (NOT LWS_WITH_SHARED)
738                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
739                         endif()
740                         target_link_libraries(${TEST_NAME} websockets_shared)
741                         add_dependencies(${TEST_NAME} websockets_shared)
742                 else()
743                         if (NOT LWS_WITH_STATIC)
744                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
745                         endif()
746                         target_link_libraries(${TEST_NAME} websockets)
747                         add_dependencies(${TEST_NAME} websockets)
748                 endif()
749
750                 # Set test app specific defines.
751                 set_property(TARGET ${TEST_NAME}
752                                         PROPERTY COMPILE_DEFINITIONS
753                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
754                                         )
755
756                 # Prefix the binary names with libwebsockets.
757                 set_target_properties(${TEST_NAME}
758                         PROPERTIES
759                         OUTPUT_NAME libwebsockets-${TEST_NAME})
760
761                 # Add to the list of tests.
762                 list(APPEND TEST_APP_LIST ${TEST_NAME})
763         endmacro()
764
765         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
766                 message("Searching for OpenSSL executable and dlls")
767                 find_package(OpenSSLbins)
768                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
769         endif()
770
771         if (NOT LWS_WITHOUT_SERVER)
772                 #
773                 # test-server
774                 #
775                 if (NOT LWS_WITHOUT_TEST_SERVER)
776                         create_test_app(test-server "test-server/test-server.c"
777                                 "test-server/test-server-http.c"
778                                 "test-server/test-server-dumb-increment.c"
779                                 "test-server/test-server-mirror.c"
780                                 "test-server/test-server-echogen.c")
781                         if (UNIX)
782                                 create_test_app(test-fuzxy "test-server/fuzxy.c"
783                                         ""
784                                         ""
785                                         ""
786                                         "")
787                         endif()
788                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
789                                 create_test_app(test-server-pthreads
790                                         "test-server/test-server-pthreads.c"
791                                         "test-server/test-server-http.c"
792                                         "test-server/test-server-dumb-increment.c"
793                                         "test-server/test-server-mirror.c"
794                                         "test-server/test-server-echogen.c")
795                         endif()
796                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
797                                 AND LWS_WITH_LIBEV)
798                                 create_test_app(test-server-libev
799                                         "test-server/test-server-libev.c"
800                                         "test-server/test-server-http.c"
801                                         "test-server/test-server-dumb-increment.c"
802                                         "test-server/test-server-mirror.c"
803                                         "test-server/test-server-echogen.c")
804                         endif()
805                 endif()
806
807                 #
808                 # test-server-extpoll
809                 #
810                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
811                         create_test_app(test-server-extpoll "test-server/test-server.c"
812                                 "test-server/test-server-http.c"
813                                 "test-server/test-server-dumb-increment.c"
814                                 "test-server/test-server-mirror.c"
815                                 "test-server/test-server-echogen.c")
816                         # Set defines for this executable only.
817                         set_property(
818                                 TARGET test-server-extpoll
819                                 PROPERTY COMPILE_DEFINITIONS 
820                                         EXTERNAL_POLL 
821                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
822                                 )
823
824                         # We need to link against winsock code.
825                         if (WIN32)
826                                 target_link_libraries(test-server-extpoll ws2_32.lib)
827                         endif(WIN32)
828                 endif()
829
830                 # Data files for running the test server.
831                 set(TEST_SERVER_DATA
832                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
833                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
834                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
835                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
836
837                 # Generate self-signed SSL certs for the test-server.
838                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
839                         message("Generating SSL Certificates for the test-server...")
840
841                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
842                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
843
844                         if (WIN32)
845                                 if (MINGW)
846                                         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 \"${TEST_SERVER_SSL_CERT}\"")
847                                         execute_process(
848                                                 COMMAND "${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}"
849                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
850                                 else()
851                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
852                                                 "GB\n"
853                                                 "Erewhon\n"
854                                                 "All around\n"
855                                                 "libwebsockets-test\n"
856                                                 "localhost\n"
857                                                 "none@invalid.org\n\n"
858                                                 )
859
860                                         # The "type" command is a bit picky with paths.
861                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
862                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
863                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
864
865                                         execute_process(
866                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
867                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
868                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
869                                                 OUTPUT_QUIET ERROR_QUIET)
870
871                                         message("\n")
872                                 endif()
873
874                                 if (OPENSSL_RETURN_CODE)
875                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
876                                 else()
877                                         message("SUCCSESFULLY generated SSL certificate")
878                                 endif()
879                         else()
880                                 # Unix.
881                                 execute_process(
882                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
883                                         COMMAND "${OPENSSL_EXECUTABLE}"
884                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
885                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
886                                         OUTPUT_QUIET ERROR_QUIET)
887
888                                 if (OPENSSL_RETURN_CODE)
889                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
890                                 else()
891                                         message("SUCCESSFULLY generated SSL certificate")
892                                 endif()
893                         endif()
894
895                         list(APPEND TEST_SERVER_DATA 
896                                 "${TEST_SERVER_SSL_KEY}"
897                                 "${TEST_SERVER_SSL_CERT}")
898                 endif()
899
900                 add_custom_command(TARGET test-server
901                                                 POST_BUILD 
902                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
903
904                 # Copy the file needed to run the server so that the test apps can
905                 # reach them from their default output location
906                 foreach (TEST_FILE ${TEST_SERVER_DATA})
907                         if (EXISTS ${TEST_FILE})
908                                 add_custom_command(TARGET test-server
909                                                         POST_BUILD 
910                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
911                         endif()
912                 endforeach()
913         endif(NOT LWS_WITHOUT_SERVER)
914
915         if (NOT LWS_WITHOUT_CLIENT)
916                 #
917                 # test-client
918                 #
919                 if (NOT LWS_WITHOUT_TEST_CLIENT)
920                         create_test_app(test-client "test-server/test-client.c" "" "" "" "")
921                 endif()
922
923                 #
924                 # test-fraggle
925                 #
926                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
927                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "" "")
928                 endif()
929
930                 #
931                 # test-ping
932                 #
933                 if (NOT LWS_WITHOUT_TEST_PING)
934                         create_test_app(test-ping "test-server/test-ping.c" "" "" "" "")
935                 endif()
936                 #
937                 # test-echo
938                 #
939                 if (NOT LWS_WITHOUT_TEST_ECHO)
940                         create_test_app(test-echo "test-server/test-echo.c" "" "" "" "")
941                 endif()
942
943         endif(NOT LWS_WITHOUT_CLIENT)
944
945         #
946         # Copy OpenSSL dlls to the output directory on Windows.
947         # (Otherwise we'll get an error when trying to run)
948         #
949         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
950                 if(OPENSSL_BIN_FOUND)
951                         message("OpenSSL dlls found:")
952                         message("  Libeay: ${LIBEAY_BIN}")
953                         message("  SSLeay: ${SSLEAY_BIN}")
954
955                         foreach(TARGET_BIN ${TEST_APP_LIST})
956                                 add_custom_command(TARGET ${TARGET_BIN}
957                                         POST_BUILD
958                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
959                                 add_custom_command(TARGET ${TARGET_BIN}
960                                         POST_BUILD
961                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
962                         endforeach()
963                 endif()
964         endif()
965 endif(NOT LWS_WITHOUT_TESTAPPS)
966
967 if (UNIX)
968         # Generate documentation.
969         # TODO: Fix this on Windows.
970         message("Generating API documentation")
971         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
972         list(SORT C_FILES)
973         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
974
975         execute_process(
976                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
977                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
978                 ERROR_QUIET)
979
980         execute_process(
981                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
982                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
983                 ERROR_QUIET)
984
985 # Generate and install pkgconfig.
986 # (This is not indented, because the tabs will be part of the output)
987 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
988 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
989 exec_prefix=\${prefix}
990 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
991 includedir=\${prefix}/include
992
993 Name: libwebsockets
994 Description: Websockets server and client library
995 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
996
997 Libs: -L\${libdir} -lwebsockets
998 Cflags: -I\${includedir}"
999 )
1000
1001         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1002                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
1003 endif(UNIX)
1004
1005 #
1006 # Installation preparations.
1007 #
1008
1009 if(WIN32 AND NOT CYGWIN)
1010   set(DEF_INSTALL_CMAKE_DIR cmake)
1011 else()
1012   set(DEF_INSTALL_CMAKE_DIR lib${LIB_SUFFIX}/cmake/libwebsockets)
1013 endif()
1014
1015 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
1016
1017 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
1018 export(TARGETS ${LWS_LIBRARIES}
1019         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
1020 export(PACKAGE libwebsockets)
1021
1022 # Generate the config file for the build-tree.
1023 set(LWS__INCLUDE_DIRS 
1024     "${PROJECT_SOURCE_DIR}/lib"
1025     "${PROJECT_BINARY_DIR}")
1026 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
1027 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1028                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake 
1029                 @ONLY)
1030
1031 # Generate the config file for the installation tree.
1032 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1033 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1034 file(RELATIVE_PATH 
1035     REL_INCLUDE_DIR 
1036     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1037     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1038
1039 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in, 
1040 # we escape it here so it's evaluated when it is included instead
1041 # so that the include dirs are given relative to where the 
1042 # config file is located.
1043 set(LWS__INCLUDE_DIRS 
1044     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}") 
1045 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1046                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake 
1047                 @ONLY)
1048
1049 # Generate version info for both build-tree and install-tree.
1050 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1051                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake 
1052                 @ONLY)
1053
1054                         set_target_properties(${LWS_LIBRARIES}
1055                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1056
1057 #
1058 # Installation.
1059 #
1060
1061 # Install libs and headers.
1062 install(TARGETS ${LWS_LIBRARIES}
1063                 EXPORT LibwebsocketsTargets
1064                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1065                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1066                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1067                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1068 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1069 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1070
1071 # Install test apps.
1072 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1073         install(TARGETS test-client ${TEST_APP_LIST}
1074                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1075                         COMPONENT examples)
1076         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1077 endif()
1078
1079 # Programs shared files used by the test-server.
1080 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1081         install(FILES ${TEST_SERVER_DATA}
1082                         DESTINATION share/libwebsockets-test-server
1083                         COMPONENT examples)
1084 endif()
1085
1086 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1087 install(FILES
1088                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1089                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1090                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1091
1092 # build subdir is not part of sources
1093 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1094
1095 # Most people are more used to "make dist" compared to "make package_source"
1096 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1097
1098 include(UseRPMTools)
1099 if (RPMTools_FOUND)
1100         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1101 endif()
1102
1103 message("---------------------------------------------------------------------")
1104 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1105 message("---------------------------------------------------------------------")
1106 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1107 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1108 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1109 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1110 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1111 if (LWS_USE_WOLFSSL)
1112         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1113         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1114 endif()
1115 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1116 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1117 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1118 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1119 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1120 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1121 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1122 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1123 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1124 message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
1125 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1126 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1127 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1128 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1129 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1130 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1131 message(" LWS_IPV6 = ${LWS_IPV6}")
1132 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1133 message(" LWS_MBED3 = ${LWS_MBED3}")
1134 message(" LWS_SSL_SERVER_WITH_ECDH_CERT = ${LWS_SSL_SERVER_WITH_ECDH_CERT}")
1135 message(" LWS_MAX_SMP = ${LWS_MAX_SMP}")
1136 message("---------------------------------------------------------------------")
1137
1138 # These will be available to parent projects including libwebsockets using add_subdirectory()
1139 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1140 if (LWS_WITH_STATIC)
1141         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1142 endif()
1143 if (LWS_WITH_SHARED)
1144         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1145 endif()
1146
1147 # This must always be last!
1148 include(CPack)