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 "${PACKAGE}")
  11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
  12 set(CPACK_PACKAGE_VERSION_MINOR "7")
  13 set(CPACK_PACKAGE_VERSION_PATCH "0")
  14 set(CPACK_PACKAGE_VERSION "${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} ${PACKAGE_VERSION}")
  17 set(SOVERSION "7")
  18 set(CPACK_SOURCE_GENERATOR "TGZ")
  19 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${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 "${GIT_EXECUTABLE}" describe
  37     OUTPUT_VARIABLE GIT_HASH
  38     OUTPUT_STRIP_TRAILING_WHITESPACE
  39     )
  40         execute_process(
  41     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  42     COMMAND "whoami"
  43     OUTPUT_VARIABLE GIT_USER
  44     OUTPUT_STRIP_TRAILING_WHITESPACE
  45     )
  46         execute_process(
  47     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  48     COMMAND "hostname"
  49     OUTPUT_VARIABLE GIT_HOST
  50     OUTPUT_STRIP_TRAILING_WHITESPACE
  51     )
  52     set(LWS_BUILD_HASH ${GIT_USER}@${GIT_HOST}-${GIT_HASH})
  53     message("Git commit hash: ${LWS_BUILD_HASH}")
  54 endif()
  55
  56 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
  57 if(WIN32)
  58         set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
  59 endif()
  60
  61 option(LWS_WITH_STATIC "Build the static version of the library" ON)
  62 option(LWS_WITH_SHARED "Build the shared version of the library" ON)
  63 option(LWS_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
  64 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)
  65 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)
  66 option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
  67 option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
  68 option(LWS_WITH_LIBUV "Compile with support for libuv" OFF)
  69 option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
  70 option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
  71 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)
  72 option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
  73 option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
  74 option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
  75 option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
  76 option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
  77 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
  78 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
  79 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
  80 option(LWS_WITHOUT_TEST_ECHO "Don't build the echo test application" OFF)
  81 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
  82 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
  83 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
  84 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
  85 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
  86 option(LWS_IPV6 "Compile with support for ipv6" OFF)
  87 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
  88 option(LWS_MBED3 "Platform is MBED3" OFF)
  89 option(LWS_SSL_SERVER_WITH_ECDH_CERT "Include SSL server use ECDH certificate" OFF)
  90 option(LWS_WITH_CGI "Include CGI (spawn process with network-connected stdin/out/err) APIs" OFF)
  91 option(LWS_WITH_HTTP_PROXY "Support for rewriting HTTP proxying" OFF)
  92 option(LWS_WITH_LWSWS "Libwebsockets Webserver" ON)
  93
  94 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  95
  96 set(LWS_WITH_SHARED OFF)
  97 set(LWS_WITH_SSL OFF)
  98 set(LWS_WITH_ZLIB OFF)
  99 set(LWS_WITHOUT_CLIENT ON)
 100 set(LWS_WITHOUT_TESTAPPS ON)
 101 set(LWS_WITHOUT_EXTENSIONS ON)
 102 set(LWS_MBED3 ON)
 103 # this implies no pthreads in the lib
 104 set(LWS_MAX_SMP 1)
 105
 106 endif()
 107
 108 if (WIN32)
 109 # this implies no pthreads in the lib
 110 set(LWS_MAX_SMP 1)
 111 endif()
 112
 113
 114 if (LWS_WITHOUT_SERVER)
 115 set(LWS_WITH_LWSWS OFF)
 116 endif()
 117
 118 if (LWS_WITH_HTTP_PROXY AND (LWS_WITHOUT_CLIENT OR LWS_WITHOUT_SERVER))
 119         message(FATAL_ERROR "You have to enable both client and server for http proxy")
 120 endif()
 121
 122 # Allow the user to override installation directories.
 123 set(LWS_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
 124 set(LWS_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
 125 set(LWS_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")
 126 set(LWS_INSTALL_EXAMPLES_DIR  bin CACHE PATH "Installation directory for example files")
 127
 128 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
 129 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
 130         message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
 131 endif()
 132 if (LWS_USE_CYASSL)
 133         # Copy CyaSSL options to the wolfSSL options
 134         set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
 135         set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
 136         set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
 137 endif()
 138
 139 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
 140         message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
 141 endif()
 142
 143 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
 144         message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
 145 endif()
 146
 147 if (NOT LWS_WITHOUT_EXTENSIONS)
 148         if (NOT LWS_WITH_ZLIB)
 149                 message(FATAL_ERROR "zlib is required for extensions.")
 150         endif()
 151 endif()
 152
 153 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
 154 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
 155 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
 156 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
 157 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
 158 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
 159 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
 160 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
 161 set(LWS_LIBUV_LIBRARIES CACHE PATH "Path to the libuv library")
 162 set(LWS_LIBUV_INCLUDE_DIRS CACHE PATH "Path to the libuv include directory")
 163
 164 if (NOT LWS_WITH_SSL)
 165         set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
 166 endif()
 167
 168 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 169         if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
 170         else()
 171                 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
 172                 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
 173                 set(OPENSSL_FOUND 1)
 174         endif()
 175 endif()
 176
 177 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
 178         if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
 179                 if (NOT WOLFSSL_FOUND)
 180                         if (LWS_USE_CYASSL)
 181                                 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
 182                         else()
 183                                 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
 184                         endif()
 185                 endif()
 186         else()
 187                 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
 188                 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
 189                 set(WOLFSSL_FOUND 1)
 190         endif()
 191         set(USE_WOLFSSL 1)
 192         if (LWS_USE_CYASSL)
 193                 set(USE_OLD_CYASSL 1)
 194         endif()
 195 endif()
 196
 197 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 198         if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
 199         else()
 200                 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
 201                 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
 202                 set(ZLIB_FOUND 1)
 203         endif()
 204 endif()
 205
 206 if (LWS_WITH_LIBEV)
 207         if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
 208         else()
 209                 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
 210                 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
 211                 set(LIBEV_FOUND 1)
 212         endif()
 213 endif()
 214
 215 if (LWS_WITH_LIBUV)
 216         if ("${LWS_LIBUV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBUV_INCLUDE_DIRS}" STREQUAL "")
 217         else()
 218                 set(LIBUV_LIBRARIES ${LWS_LIBUV_LIBRARIES})
 219                 set(LIBUV_INCLUDE_DIRS ${LWS_LIBUV_INCLUDE_DIRS})
 220                 set(LIBUV_FOUND 1)
 221         endif()
 222 endif()
 223
 224
 225 # FIXME: This must be runtime-only option.
 226 # The base dir where the test-apps look for the SSL certs.
 227 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
 228 if (WIN32)
 229         set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
 230
 231         if (LWS_IPV6)
 232                 set(LWS_IPV6 OFF)
 233                 message(WARNING "IPv6 does not currently work on Windows!")
 234         endif()
 235 else()
 236         set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
 237 endif()
 238
 239 if (LWS_WITHOUT_EXTENSIONS)
 240         set(LWS_NO_EXTENSIONS 1)
 241 endif()
 242
 243 if (LWS_WITH_SSL)
 244         set(LWS_OPENSSL_SUPPORT 1)
 245 endif()
 246
 247 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
 248         set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
 249 endif()
 250
 251 if (LWS_WITH_LATENCY)
 252         set(LWS_LATENCY 1)
 253 endif()
 254
 255 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
 256         set(LWS_NO_DAEMONIZE 1)
 257 endif()
 258
 259 if (LWS_WITHOUT_SERVER)
 260         set(LWS_NO_SERVER 1)
 261 endif()
 262
 263 if (LWS_WITHOUT_CLIENT)
 264         set(LWS_NO_CLIENT 1)
 265 endif()
 266
 267 if (LWS_WITH_LIBEV)
 268         set(LWS_USE_LIBEV 1)
 269 endif()
 270
 271 if (LWS_WITH_LIBUV)
 272         set(LWS_USE_LIBUV 1)
 273 endif()
 274
 275 if (LWS_IPV6)
 276         set(LWS_USE_IPV6 1)
 277 endif()
 278
 279 if (LWS_WITH_HTTP2)
 280         set(LWS_USE_HTTP2 1)
 281 endif()
 282
 283 if ("${LWS_MAX_SMP}" STREQUAL "")
 284         set(LWS_MAX_SMP 32)
 285 endif()
 286
 287 #if (LWS_MBED3)
 288 #       set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
 289 #endif()
 290
 291 if (MINGW)
 292         set(LWS_MINGW_SUPPORT 1)
 293         set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
 294 endif()
 295
 296 if (LWS_SSL_SERVER_WITH_ECDH_CERT)
 297         set(LWS_SSL_SERVER_WITH_ECDH_CERT 1)
 298 endif()
 299
 300 include_directories("${PROJECT_BINARY_DIR}")
 301
 302 include(CheckCSourceCompiles)
 303
 304 # Check for different inline keyword versions.
 305 foreach(KEYWORD "inline" "__inline__" "__inline")
 306         set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
 307         CHECK_C_SOURCE_COMPILES(
 308                 "
 309                 #include <stdio.h>
 310                 static KEYWORD void a() {}
 311                 int main(int argc, char **argv) { a(); return 0; }
 312                 " LWS_HAVE_${KEYWORD})
 313 endforeach()
 314
 315 if (NOT LWS_HAVE_inline)
 316         if (LWS_HAVE___inline__)
 317                 set(inline __inline__)
 318         elseif(LWS_HAVE___inline)
 319                 set(inline __inline)
 320         endif()
 321 endif()
 322
 323 # Put the libaries and binaries that get built into directories at the
 324 # top of the build tree rather than in hard-to-find leaf directories.
 325 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
 326 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 327 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 328
 329 # Put absolute path of dynamic libraries into the object code. Some
 330 # architectures, notably Mac OS X, need this.
 331 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
 332
 333 include(CheckFunctionExists)
 334 include(CheckIncludeFile)
 335 include(CheckIncludeFiles)
 336 include(CheckLibraryExists)
 337 include(CheckTypeSize)
 338
 339 if (LWS_WITHOUT_BUILTIN_SHA1)
 340         set(LWS_SHA1_USE_OPENSSL_NAME 1)
 341 endif()
 342
 343 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
 344 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
 345 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
 346 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
 347 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
 348 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
 349 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
 350 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
 351 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
 352 CHECK_FUNCTION_EXISTS(execvpe LWS_HAVE_EXECVPE)
 353 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
 354 CHECK_FUNCTION_EXISTS(snprintf LWS_HAVE_SNPRINTF)
 355 CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)
 356 CHECK_FUNCTION_EXISTS(_vsnprintf LWS_HAVE__VSNPRINTF)
 357
 358 if (NOT LWS_HAVE_GETIFADDRS)
 359         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
 360                 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.")
 361         endif()
 362         set(LWS_BUILTIN_GETIFADDRS 1)
 363 endif()
 364
 365 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
 366 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
 367 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
 368 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
 369 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
 370 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
 371 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
 372 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
 373 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
 374 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
 375 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
 376 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
 377 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
 378 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
 379 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
 380 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
 381
 382 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 383         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
 384 endif()
 385
 386 # TODO: These can also be tested to see whether they actually work...
 387 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
 388 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
 389
 390 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 391
 392 # These don't work Cross...
 393 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
 394 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
 395 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
 396
 397 if (NOT PID_T_SIZE)
 398         set(pid_t int)
 399 endif()
 400
 401 if (NOT SIZE_T_SIZE)
 402         set(size_t "unsigned int")
 403 endif()
 404
 405 if (NOT LWS_HAVE_MALLOC)
 406         set(malloc rpl_malloc)
 407 endif()
 408
 409 if (NOT LWS_HAVE_REALLOC)
 410         set(realloc rpl_realloc)
 411 endif()
 412
 413 # Generate the lws_config.h that includes all the public compilation settings.
 414 configure_file(
 415        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
 416        "${PROJECT_BINARY_DIR}/lws_config.h")
 417
 418 # Generate the lws_config.h that includes all the private compilation settings.
 419 configure_file(
 420        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
 421        "${PROJECT_BINARY_DIR}/lws_config_private.h")
 422
 423 if (MSVC)
 424         # Turn off stupid microsoft security warnings.
 425         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 426 endif(MSVC)
 427
 428 include_directories("${PROJECT_SOURCE_DIR}/lib")
 429
 430 # Group headers and sources.
 431 # Some IDEs use this for nicer file structure.
 432 set(HDR_PRIVATE
 433         lib/private-libwebsockets.h)
 434
 435 set(HDR_PUBLIC
 436         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
 437         "${PROJECT_BINARY_DIR}/lws_config.h")
 438
 439 set(SOURCES
 440         lib/base64-decode.c
 441         lib/handshake.c
 442         lib/libwebsockets.c
 443         lib/service.c
 444         lib/pollfd.c
 445         lib/output.c
 446         lib/parsers.c
 447         lib/context.c
 448         lib/alloc.c
 449         lib/header.c)
 450
 451 if (NOT LWS_WITHOUT_CLIENT)
 452         list(APPEND SOURCES
 453                 lib/client.c
 454                 lib/client-handshake.c
 455                 lib/client-parser.c)
 456 endif()
 457
 458 if (LWS_WITH_SSL)
 459         list(APPEND SOURCES
 460                 lib/ssl.c)
 461 endif()
 462
 463 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
 464         list(APPEND SOURCES
 465                 lib/sha-1.c)
 466 endif()
 467
 468 if (LWS_WITH_HTTP2)
 469         list(APPEND SOURCES
 470                 lib/http2.c
 471                 lib/hpack.c
 472                 lib/ssl-http2.c)
 473 endif()
 474 # select the active platform files
 475
 476 if (WIN32)
 477         list(APPEND SOURCES
 478                 lib/lws-plat-win.c)
 479 else()
 480         if (LWS_MBED3)
 481                 list(APPEND SOURCES
 482                         lib/lws-plat-mbed3.cpp
 483                         lib/lws-plat-mbed3.c)
 484         else()
 485                 list(APPEND SOURCES
 486                         lib/lws-plat-unix.c)
 487         endif()
 488 endif()
 489
 490 if (NOT LWS_WITHOUT_SERVER)
 491         list(APPEND SOURCES
 492                 lib/server.c
 493                 lib/server-handshake.c)
 494 endif()
 495
 496 if (NOT LWS_WITHOUT_EXTENSIONS)
 497         list(APPEND HDR_PRIVATE
 498                 lib/extension-permessage-deflate.h)
 499         list(APPEND SOURCES
 500                 lib/extension.c
 501                 lib/extension-permessage-deflate.c)
 502 endif()
 503
 504 if (LWS_WITH_HTTP_PROXY)
 505         list(APPEND SOURCES
 506                 lib/rewrite.c)
 507 endif()
 508
 509 if (LWS_WITH_LIBEV)
 510         list(APPEND SOURCES
 511                 lib/libev.c)
 512 endif()
 513
 514 if (LWS_WITH_LIBUV)
 515         list(APPEND SOURCES
 516                 lib/libuv.c)
 517 endif()
 518
 519 # Add helper files for Windows.
 520 if (WIN32)
 521         set(WIN32_HELPERS_PATH win32port/win32helpers)
 522         include_directories(${WIN32_HELPERS_PATH})
 523 else()
 524         # Unix.
 525         if (NOT LWS_WITHOUT_DAEMONIZE)
 526                 list(APPEND SOURCES
 527                         lib/daemonize.c)
 528         endif()
 529 endif()
 530
 531 if (UNIX)
 532         if (NOT LWS_HAVE_GETIFADDRS)
 533                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 534                 list(APPEND SOURCES lib/getifaddrs.c)
 535         endif()
 536 endif()
 537
 538 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 539     include (CheckCCompilerFlag)
 540     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
 541     if (LWS_HAVE_VISIBILITY)
 542                 set(VISIBILITY_FLAG -fvisibility=hidden)
 543     endif()
 544     if (UNIX)
 545                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 546     else(UNIX)
 547                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 548     endif(UNIX)
 549 endif ()
 550
 551 if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT LWS_WITHOUT_TESTAPPS)
 552     if (UNIX)
 553         # jeez clang understands -pthread but dies if he sees it at link time!
 554         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
 555         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
 556     endif()
 557 endif()
 558
 559 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 560         # otherwise osx blows a bunch of openssl deprecated api errors
 561         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
 562 endif()
 563
 564 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 565 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 566 source_group("Sources"          FILES ${SOURCES})
 567
 568 #
 569 # Create the lib.
 570 #
 571 set(LWS_LIBRARIES)
 572
 573 if (LWS_WITH_STATIC)
 574         add_library(websockets STATIC
 575                                 ${HDR_PRIVATE}
 576                                 ${HDR_PUBLIC}
 577                                 ${SOURCES})
 578         list(APPEND LWS_LIBRARIES websockets)
 579
 580         if (WIN32)
 581                 # Windows uses the same .lib ending for static libraries and shared
 582                 # library linker files, so rename the static library.
 583                 set_target_properties(websockets
 584                         PROPERTIES
 585                         OUTPUT_NAME websockets_static)
 586         endif()
 587 endif()
 588
 589 if (LWS_WITH_SHARED)
 590         add_library(websockets_shared SHARED
 591                                 ${HDR_PRIVATE}
 592                                 ${HDR_PUBLIC}
 593                                 ${SOURCES})
 594         list(APPEND LWS_LIBRARIES websockets_shared)
 595
 596         # We want the shared lib to be named "libwebsockets"
 597         # not "libwebsocket_shared".
 598         set_target_properties(websockets_shared
 599                 PROPERTIES
 600                 OUTPUT_NAME websockets)
 601
 602         if (WIN32)
 603                 # Compile as DLL (export function declarations)
 604                 set_property(
 605                         TARGET websockets_shared
 606                         PROPERTY COMPILE_DEFINITIONS
 607                         LWS_DLL
 608                         LWS_INTERNAL)
 609         endif()
 610
 611         if (APPLE)
 612                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
 613         endif()
 614 endif()
 615
 616 # Set the so version of the lib.
 617 # Equivalent to LDFLAGS=-version-info x:x:x
 618 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 619         foreach(lib ${LWS_LIBRARIES})
 620                 set_target_properties(${lib}
 621                         PROPERTIES
 622                         SOVERSION ${SOVERSION})
 623         endforeach()
 624 endif()
 625
 626 set(LIB_LIST)
 627
 628 #
 629 # Find libraries.
 630 #
 631
 632 #
 633 # ZLIB (Only needed for deflate extensions).
 634 #
 635 if (LWS_WITH_ZLIB)
 636         if (LWS_USE_BUNDLED_ZLIB)
 637                 if (WIN32)
 638                         set(WIN32_ZLIB_PATH "win32port/zlib")
 639                         set(ZLIB_SRCS
 640                                 ${WIN32_ZLIB_PATH}/adler32.c
 641                                 ${WIN32_ZLIB_PATH}/compress.c
 642                                 ${WIN32_ZLIB_PATH}/crc32.c
 643                                 ${WIN32_ZLIB_PATH}/deflate.c
 644                                 ${WIN32_ZLIB_PATH}/gzclose.c
 645                                 ${WIN32_ZLIB_PATH}/gzio.c
 646                                 ${WIN32_ZLIB_PATH}/gzlib.c
 647                                 ${WIN32_ZLIB_PATH}/gzread.c
 648                                 ${WIN32_ZLIB_PATH}/gzwrite.c
 649                                 ${WIN32_ZLIB_PATH}/infback.c
 650                                 ${WIN32_ZLIB_PATH}/inffast.c
 651                                 ${WIN32_ZLIB_PATH}/inflate.c
 652                                 ${WIN32_ZLIB_PATH}/inftrees.c
 653                                 ${WIN32_ZLIB_PATH}/trees.c
 654                                 ${WIN32_ZLIB_PATH}/uncompr.c
 655                                 ${WIN32_ZLIB_PATH}/zutil.c)
 656                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
 657                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 658                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
 659                         set(ZLIB_FOUND 1)
 660                         # Make sure zlib_internal is compiled before the libs.
 661                         foreach (lib ${LWS_LIBRARIES})
 662                                 add_dependencies(${lib} zlib_internal)
 663                         endforeach()
 664                 else()
 665                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
 666                 endif()
 667         elseif (NOT ZLIB_FOUND)
 668                 find_package(ZLIB REQUIRED)
 669         endif()
 670         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
 671         message("zlib libraries: ${ZLIB_LIBRARIES}")
 672         include_directories(${ZLIB_INCLUDE_DIRS})
 673         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
 674 endif()
 675
 676 #
 677 # OpenSSL
 678 #
 679 if (LWS_WITH_SSL)
 680         message("Compiling with SSL support")
 681
 682         if (LWS_USE_WOLFSSL)
 683                 # Use wolfSSL as OpenSSL replacement.
 684                 # TODO: Add a find_package command for this also.
 685                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
 686                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
 687
 688                 # Additional to the root directory we need to include
 689                 # the wolfssl/ subdirectory which contains the OpenSSL
 690                 # compatibility layer headers.
 691
 692                 if (LWS_USE_CYASSL)
 693                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 694                                 include_directories("${inc}" "${inc}/cyassl")
 695                         endforeach()
 696                 else()
 697                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 698                                 include_directories("${inc}" "${inc}/wolfssl")
 699                         endforeach()
 700                 endif()
 701
 702                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
 703         else()
 704                 if (NOT OPENSSL_FOUND)
 705                         # TODO: Add support for STATIC also.
 706                         find_package(OpenSSL REQUIRED)
 707                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
 708                 endif()
 709
 710                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
 711                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 712
 713                 include_directories("${OPENSSL_INCLUDE_DIRS}")
 714                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
 715         endif()
 716
 717         # older (0.98) Openssl lacks this
 718         set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIRS})
 719         check_include_file(openssl/ecdh.h LWS_HAVE_OPENSSL_ECDH_H)
 720
 721         if (LWS_SSL_SERVER_WITH_ECDH_CERT AND NOT LWS_HAVE_OPENSSL_ECDH_H)
 722                 message(FATAL_ERROR "Missing openssl/ecdh.h, so cannot use LWS_SSL_SERVER_WITH_ECDH_CERT")
 723         endif()
 724
 725 endif(LWS_WITH_SSL)
 726
 727 if (LWS_WITH_LIBEV)
 728         if (NOT LIBEV_FOUND)
 729                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
 730                 find_library(LIBEV_LIBRARIES NAMES ev)
 731                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
 732                         set(LIBEV_FOUND 1)
 733                 endif()
 734         endif()
 735         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
 736         message("libev libraries: ${LIBEV_LIBRARIES}")
 737         include_directories("${LIBEV_INCLUDE_DIRS}")
 738         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
 739 endif(LWS_WITH_LIBEV)
 740
 741 if (LWS_WITH_LIBUV)
 742         if (NOT LIBUV_FOUND)
 743                 find_path(LIBUV_INCLUDE_DIRS NAMES uv.h)
 744                 find_library(LIBUV_LIBRARIES NAMES uv)
 745                 if(LIBUV_INCLUDE_DIRS AND LIBUV_LIBRARIES)
 746                         set(LIBUV_FOUND 1)
 747                 endif()
 748         endif()
 749         message("libuv include dir: ${LIBUV_INCLUDE_DIRS}")
 750         message("libuv libraries: ${LIBUV_LIBRARIES}")
 751         include_directories("${LIBUV_INCLUDE_DIRS}")
 752         list(APPEND LIB_LIST ${LIBUV_LIBRARIES})
 753 endif()
 754 if (LWS_WITH_HTTP_PROXY)
 755         find_library(LIBHUBBUB_LIBRARIES NAMES libhubbub)
 756         list(APPEND LIB_LIST ${LIBHUBBUB_LIBRARIES} )
 757 endif()
 758
 759
 760 #
 761 # Platform specific libs.
 762 #
 763 if (WINCE)
 764         list(APPEND LIB_LIST ws2.lib)
 765 elseif (WIN32)
 766         list(APPEND LIB_LIST ws2_32.lib)
 767 endif()
 768
 769 if (UNIX)
 770         list(APPEND LIB_LIST m)
 771 endif()
 772
 773 # Setup the linking for all libs.
 774 foreach (lib ${LWS_LIBRARIES})
 775         target_link_libraries(${lib} ${LIB_LIST})
 776 endforeach()
 777
 778 #
 779 # Test applications
 780 #
 781 set(TEST_APP_LIST)
 782 if (NOT LWS_WITHOUT_TESTAPPS)
 783         #
 784         # Helper function for adding a test app.
 785         #
 786         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4 S5 S6)
 787
 788                 set(TEST_SRCS ${MAIN_SRC})
 789                 set(TEST_HDR)
 790                 if ("${S2}" STREQUAL "")
 791                 else()
 792                         list(APPEND TEST_SRCS ${S2})
 793                 endif()
 794                 if ("${S3}" STREQUAL "")
 795                 else()
 796                         list(APPEND TEST_SRCS ${S3})
 797                 endif()
 798                 if ("${S4}" STREQUAL "")
 799                 else()
 800                         list(APPEND TEST_SRCS ${S4})
 801                 endif()
 802                 if ("${S5}" STREQUAL "")
 803                 else()
 804                         list(APPEND TEST_SRCS ${S5})
 805                 endif()
 806                 if ("${S6}" STREQUAL "")
 807                 else()
 808                         list(APPEND TEST_SRCS ${S6})
 809                 endif()
 810                 if (WIN32)
 811                         list(APPEND TEST_SRCS
 812                                 ${WIN32_HELPERS_PATH}/getopt.c
 813                                 ${WIN32_HELPERS_PATH}/getopt_long.c
 814                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 815                         )
 816
 817                         list(APPEND TEST_HDR
 818                                 ${WIN32_HELPERS_PATH}/getopt.h
 819                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 820                         )
 821                 endif(WIN32)
 822
 823                 source_group("Headers Private"   FILES ${TEST_HDR})
 824                 source_group("Sources"   FILES ${TEST_SRCS})
 825                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 826
 827                 if (LWS_LINK_TESTAPPS_DYNAMIC)
 828                         if (NOT LWS_WITH_SHARED)
 829                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
 830                         endif()
 831                         target_link_libraries(${TEST_NAME} websockets_shared)
 832                         add_dependencies(${TEST_NAME} websockets_shared)
 833                 else()
 834                         if (NOT LWS_WITH_STATIC)
 835                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
 836                         endif()
 837                         target_link_libraries(${TEST_NAME} websockets)
 838                         add_dependencies(${TEST_NAME} websockets)
 839                 endif()
 840
 841                 # Set test app specific defines.
 842                 set_property(TARGET ${TEST_NAME}
 843                                         PROPERTY COMPILE_DEFINITIONS
 844                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 845                                         )
 846
 847                 # Prefix the binary names with libwebsockets.
 848                 set_target_properties(${TEST_NAME}
 849                         PROPERTIES
 850                         OUTPUT_NAME libwebsockets-${TEST_NAME})
 851
 852                 # Add to the list of tests.
 853                 list(APPEND TEST_APP_LIST ${TEST_NAME})
 854         endmacro()
 855
 856         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 857                 message("Searching for OpenSSL executable and dlls")
 858                 find_package(OpenSSLbins)
 859                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
 860         endif()
 861
 862         if (NOT LWS_WITHOUT_SERVER)
 863                 #
 864                 # test-server
 865                 #
 866                 if (NOT LWS_WITHOUT_TEST_SERVER)
 867                         create_test_app(test-server "test-server/test-server.c"
 868                                 "test-server/test-server-http.c"
 869                                 "test-server/test-server-dumb-increment.c"
 870                                 "test-server/test-server-mirror.c"
 871                                 "test-server/test-server-status.c"
 872                                 "test-server/test-server-echogen.c")
 873                         if (UNIX)
 874                                 create_test_app(test-fuzxy "test-server/fuzxy.c"
 875                                         ""
 876                                         ""
 877                                         ""
 878                                         ""
 879                                         "")
 880                         endif()
 881                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
 882                                 create_test_app(test-server-pthreads
 883                                         "test-server/test-server-pthreads.c"
 884                                         "test-server/test-server-http.c"
 885                                         "test-server/test-server-dumb-increment.c"
 886                                         "test-server/test-server-mirror.c"
 887                                         "test-server/test-server-status.c"
 888                                         "test-server/test-server-echogen.c")
 889                         endif()
 890                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 891                                 AND LWS_WITH_LIBEV)
 892                                 create_test_app(test-server-libev
 893                                         "test-server/test-server-libev.c"
 894                                         "test-server/test-server-http.c"
 895                                         "test-server/test-server-dumb-increment.c"
 896                                         "test-server/test-server-mirror.c"
 897                                         "test-server/test-server-status.c"
 898                                         "test-server/test-server-echogen.c")
 899                         endif()
 900                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 901                                 AND LWS_WITH_LIBUV)
 902                                 create_test_app(test-server-libuv
 903                                         "test-server/test-server-libuv.c"
 904                                         "test-server/test-server-http.c"
 905                                         "test-server/test-server-dumb-increment.c"
 906                                         "test-server/test-server-mirror.c"
 907                                         "test-server/test-server-status.c"
 908                                         "test-server/test-server-echogen.c")
 909                         endif()
 910                 endif()
 911
 912                 #
 913                 # test-server-extpoll
 914                 #
 915                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
 916                         create_test_app(test-server-extpoll "test-server/test-server.c"
 917                                 "test-server/test-server-http.c"
 918                                 "test-server/test-server-dumb-increment.c"
 919                                 "test-server/test-server-mirror.c"
 920                                 "test-server/test-server-status.c"
 921                                 "test-server/test-server-echogen.c")
 922                         # Set defines for this executable only.
 923                         set_property(
 924                                 TARGET test-server-extpoll
 925                                 PROPERTY COMPILE_DEFINITIONS
 926                                         EXTERNAL_POLL
 927                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 928                                 )
 929
 930                         # We need to link against winsock code.
 931                         if (WIN32)
 932                                 target_link_libraries(test-server-extpoll ws2_32.lib)
 933                         endif(WIN32)
 934                 endif()
 935
 936                 # Data files for running the test server.
 937                 set(TEST_SERVER_DATA
 938                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
 939                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
 940                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
 941                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
 942
 943                 # Generate self-signed SSL certs for the test-server.
 944                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
 945                         message("Generating SSL Certificates for the test-server...")
 946
 947                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
 948                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
 949
 950                         if (WIN32)
 951                                 if (MINGW)
 952                                         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 \"${TEST_SERVER_SSL_CERT}\"")
 953                                         execute_process(
 954                                                 COMMAND "${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}"
 955                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
 956                                 else()
 957                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
 958                                                 "GB\n"
 959                                                 "Erewhon\n"
 960                                                 "All around\n"
 961                                                 "libwebsockets-test\n"
 962                                                 "localhost\n"
 963                                                 "none@invalid.org\n\n"
 964                                                 )
 965
 966                                         # The "type" command is a bit picky with paths.
 967                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
 968                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
 969                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
 970
 971                                         execute_process(
 972                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
 973                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 974                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
 975                                                 OUTPUT_QUIET ERROR_QUIET)
 976
 977                                         message("\n")
 978                                 endif()
 979
 980                                 if (OPENSSL_RETURN_CODE)
 981                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 982                                 else()
 983                                         message("SUCCSESFULLY generated SSL certificate")
 984                                 endif()
 985                         else()
 986                                 # Unix.
 987                                 execute_process(
 988                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
 989                                         COMMAND "${OPENSSL_EXECUTABLE}"
 990                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 991                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
 992                                         OUTPUT_QUIET ERROR_QUIET)
 993
 994                                 if (OPENSSL_RETURN_CODE)
 995                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 996                                 else()
 997                                         message("SUCCESSFULLY generated SSL certificate")
 998                                 endif()
 999                         endif()
1000
1001                         list(APPEND TEST_SERVER_DATA
1002                                 "${TEST_SERVER_SSL_KEY}"
1003                                 "${TEST_SERVER_SSL_CERT}")
1004                 endif()
1005
1006                 add_custom_command(TARGET test-server
1007                                                 POST_BUILD
1008                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
1009
1010                 # Copy the file needed to run the server so that the test apps can
1011                 # reach them from their default output location
1012                 foreach (TEST_FILE ${TEST_SERVER_DATA})
1013                         if (EXISTS ${TEST_FILE})
1014                                 add_custom_command(TARGET test-server
1015                                                         POST_BUILD
1016                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
1017                         endif()
1018                 endforeach()
1019         endif(NOT LWS_WITHOUT_SERVER)
1020
1021         if (NOT LWS_WITHOUT_CLIENT)
1022                 #
1023                 # test-client
1024                 #
1025                 if (NOT LWS_WITHOUT_TEST_CLIENT)
1026                         create_test_app(test-client "test-server/test-client.c" "" "" "" "" "")
1027                 endif()
1028
1029                 #
1030                 # test-fraggle
1031                 #
1032                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
1033                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "" "" "")
1034                 endif()
1035
1036                 #
1037                 # test-ping
1038                 #
1039                 if (NOT LWS_WITHOUT_TEST_PING)
1040                         create_test_app(test-ping "test-server/test-ping.c" "" "" "" "" "")
1041                 endif()
1042                 #
1043                 # test-echo
1044                 #
1045                 if (NOT LWS_WITHOUT_TEST_ECHO)
1046                         create_test_app(test-echo "test-server/test-echo.c" "" "" "" "" "")
1047                 endif()
1048
1049         endif(NOT LWS_WITHOUT_CLIENT)
1050
1051         #
1052         # Copy OpenSSL dlls to the output directory on Windows.
1053         # (Otherwise we'll get an error when trying to run)
1054         #
1055         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
1056                 if(OPENSSL_BIN_FOUND)
1057                         message("OpenSSL dlls found:")
1058                         message("  Libeay: ${LIBEAY_BIN}")
1059                         message("  SSLeay: ${SSLEAY_BIN}")
1060
1061                         foreach(TARGET_BIN ${TEST_APP_LIST})
1062                                 add_custom_command(TARGET ${TARGET_BIN}
1063                                         POST_BUILD
1064                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1065                                 add_custom_command(TARGET ${TARGET_BIN}
1066                                         POST_BUILD
1067                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1068                         endforeach()
1069                 endif()
1070         endif()
1071 endif(NOT LWS_WITHOUT_TESTAPPS)
1072
1073 if (LWS_WITH_LWSWS)
1074                 list(APPEND LWSWS_SRCS
1075                         "lwsws/main.c"
1076                         "lwsws/lejp.c"
1077                         "lwsws/conf.c"
1078                         "lwsws/http.c"
1079                 )
1080
1081                 if (WIN32)
1082                         list(APPEND LWSWS_SRCS
1083                                 ${WIN32_HELPERS_PATH}/getopt.c
1084                                 ${WIN32_HELPERS_PATH}/getopt_long.c
1085                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
1086                         )
1087
1088                         list(APPEND LWSWS_HDR
1089                                 ${WIN32_HELPERS_PATH}/getopt.h
1090                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
1091                         )
1092                 endif(WIN32)
1093
1094                 source_group("Headers Private"   FILES ${LWSWS_HDR})
1095                 source_group("Sources"   FILES ${LWSWS_SRCS})
1096                 add_executable("lwsws" ${LWSWS_SRCS} ${LWSWS_HDR})
1097
1098                 if (LWS_LINK_TESTAPPS_DYNAMIC)
1099                         if (NOT LWS_WITH_SHARED)
1100                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
1101                         endif()
1102                         target_link_libraries("lwsws" websockets_shared)
1103                         add_dependencies("lwsws" websockets_shared)
1104                 else()
1105                         if (NOT LWS_WITH_STATIC)
1106                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
1107                         endif()
1108                         target_link_libraries("lwsws" websockets)
1109                         add_dependencies("lwsws" websockets)
1110                 endif()
1111
1112                 # Set test app specific defines.
1113                 set_property(TARGET "lwsws"
1114                              PROPERTY COMPILE_DEFINITIONS
1115                              INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
1116                 )
1117
1118
1119 endif (LWS_WITH_LWSWS)
1120
1121 if (UNIX)
1122         # Generate documentation.
1123         # TODO: Fix this on Windows.
1124         message("Generating API documentation")
1125         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
1126         list(SORT C_FILES)
1127         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
1128
1129         execute_process(
1130                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
1131                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
1132                 ERROR_QUIET)
1133
1134         execute_process(
1135                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
1136                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
1137                 ERROR_QUIET)
1138
1139 # Generate and install pkgconfig.
1140 # (This is not indented, because the tabs will be part of the output)
1141 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1142 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
1143 exec_prefix=\${prefix}
1144 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
1145 includedir=\${prefix}/include
1146
1147 Name: libwebsockets
1148 Description: Websockets server and client library
1149 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
1150
1151 Libs: -L\${libdir} -lwebsockets
1152 Cflags: -I\${includedir}"
1153 )
1154
1155         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1156                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
1157 endif(UNIX)
1158
1159 #
1160 # Installation preparations.
1161 #
1162
1163 if(WIN32 AND NOT CYGWIN)
1164   set(DEF_INSTALL_CMAKE_DIR cmake)
1165 else()
1166   set(DEF_INSTALL_CMAKE_DIR lib${LIB_SUFFIX}/cmake/libwebsockets)
1167 endif()
1168
1169 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
1170
1171 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
1172 export(TARGETS ${LWS_LIBRARIES}
1173         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
1174 export(PACKAGE libwebsockets)
1175
1176 # Generate the config file for the build-tree.
1177 set(LWS__INCLUDE_DIRS
1178     "${PROJECT_SOURCE_DIR}/lib"
1179     "${PROJECT_BINARY_DIR}")
1180 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
1181 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1182                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
1183                 @ONLY)
1184
1185 # Generate the config file for the installation tree.
1186 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1187 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1188 file(RELATIVE_PATH
1189     REL_INCLUDE_DIR
1190     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1191     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1192
1193 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1194 # we escape it here so it's evaluated when it is included instead
1195 # so that the include dirs are given relative to where the
1196 # config file is located.
1197 set(LWS__INCLUDE_DIRS
1198     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1199 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1200                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1201                 @ONLY)
1202
1203 # Generate version info for both build-tree and install-tree.
1204 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1205                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1206                 @ONLY)
1207
1208                         set_target_properties(${LWS_LIBRARIES}
1209                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1210
1211 #
1212 # Installation.
1213 #
1214
1215 # Install libs and headers.
1216 install(TARGETS ${LWS_LIBRARIES}
1217                 EXPORT LibwebsocketsTargets
1218                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1219                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1220                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1221                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1222 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1223 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1224
1225 # Install test apps.
1226 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1227         install(TARGETS test-client ${TEST_APP_LIST}
1228                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1229                         COMPONENT examples)
1230         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1231 endif()
1232
1233 # lwsws
1234 if (LWS_WITH_LWSWS)
1235         install(TARGETS lwsws
1236                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT lwsws )
1237 endif()
1238
1239 # Programs shared files used by the test-server.
1240 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1241         install(FILES ${TEST_SERVER_DATA}
1242                         DESTINATION share/libwebsockets-test-server
1243                         COMPONENT examples)
1244 if (LWS_WITH_CGI)
1245         set(CGI_TEST_SCRIPT "${PROJECT_SOURCE_DIR}/test-server/lws-cgi-test.sh")
1246         install(FILES ${CGI_TEST_SCRIPT}
1247                         PERMISSIONS  OWNER_EXECUTE GROUP_EXECUTE WORLD_EXECUTE OWNER_READ GROUP_READ WORLD_READ
1248                         DESTINATION share/libwebsockets-test-server
1249                         COMPONENT examples)
1250         endif()
1251 endif()
1252
1253 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1254 install(FILES
1255                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1256                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1257                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1258
1259 # build subdir is not part of sources
1260 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1261
1262 # Most people are more used to "make dist" compared to "make package_source"
1263 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1264
1265 include(UseRPMTools)
1266 if (RPMTools_FOUND)
1267         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1268 endif()
1269
1270 message("---------------------------------------------------------------------")
1271 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1272 message("---------------------------------------------------------------------")
1273 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1274 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1275 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1276 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1277 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1278 if (LWS_USE_WOLFSSL)
1279         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1280         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1281 endif()
1282 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1283 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1284 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1285 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1286 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1287 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1288 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1289 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1290 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1291 message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
1292 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1293 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1294 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1295 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1296 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1297 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1298 message(" LWS_USE_LIBUV = ${LWS_USE_LIBUV}")
1299 message(" LWS_IPV6 = ${LWS_IPV6}")
1300 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1301 message(" LWS_MBED3 = ${LWS_MBED3}")
1302 message(" LWS_SSL_SERVER_WITH_ECDH_CERT = ${LWS_SSL_SERVER_WITH_ECDH_CERT}")
1303 message(" LWS_MAX_SMP = ${LWS_MAX_SMP}")
1304 message(" LWS_WITH_CGI = ${LWS_WITH_CGI}")
1305 message(" LWS_HAVE_OPENSSL_ECDH_H = ${LWS_HAVE_OPENSSL_ECDH_H}")
1306 message(" LWS_WITH_HTTP_PROXY = ${LWS_WITH_HTTP_PROXY}")
1307 message(" LIBHUBBUB_LIBRARIES = ${LIBHUBBUB_LIBRARIES}")
1308 message("---------------------------------------------------------------------")
1309
1310 # These will be available to parent projects including libwebsockets using add_subdirectory()
1311 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1312 if (LWS_WITH_STATIC)
1313         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1314 endif()
1315 if (LWS_WITH_SHARED)
1316         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1317 endif()
1318
1319 # This must always be last!
1320 include(CPack)