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 "${PACKAGE}")
  11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
  12 set(CPACK_PACKAGE_VERSION_MINOR "7")
  13 set(CPACK_PACKAGE_VERSION_PATCH "3")
  14 set(CPACK_PACKAGE_VERSION "${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
  91 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  92
  93 set(LWS_WITH_SHARED OFF)
  94 set(LWS_WITH_SSL OFF)
  95 set(LWS_WITH_ZLIB OFF)
  96 set(LWS_WITHOUT_CLIENT ON)
  97 set(LWS_WITHOUT_TESTAPPS ON)
  98 set(LWS_WITHOUT_EXTENSIONS ON)
  99 set(LWS_MBED3 ON)
 100 # this implies no pthreads in the lib
 101 set(LWS_MAX_SMP 1)
 102
 103 endif()
 104
 105 if (WIN32)
 106 # this implies no pthreads in the lib
 107 set(LWS_MAX_SMP 1)
 108 endif()
 109
 110
 111 # Allow the user to override installation directories.
 112 set(LWS_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
 113 set(LWS_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
 114 set(LWS_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")
 115 set(LWS_INSTALL_EXAMPLES_DIR  bin CACHE PATH "Installation directory for example files")
 116
 117 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
 118 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
 119         message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
 120 endif()
 121 if (LWS_USE_CYASSL)
 122         # Copy CyaSSL options to the wolfSSL options
 123         set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
 124         set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
 125         set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
 126 endif()
 127
 128 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
 129         message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
 130 endif()
 131
 132 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
 133         message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
 134 endif()
 135
 136 if (NOT LWS_WITHOUT_EXTENSIONS)
 137         if (NOT LWS_WITH_ZLIB)
 138                 message(FATAL_ERROR "zlib is required for extensions.")
 139         endif()
 140 endif()
 141
 142 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
 143 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
 144 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
 145 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
 146 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
 147 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
 148 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
 149 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
 150 set(LWS_LIBUV_LIBRARIES CACHE PATH "Path to the libuv library")
 151 set(LWS_LIBUV_INCLUDE_DIRS CACHE PATH "Path to the libuv include directory")
 152
 153 if (NOT LWS_WITH_SSL)
 154         set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
 155 endif()
 156
 157 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 158         if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
 159         else()
 160                 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
 161                 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
 162                 set(OPENSSL_FOUND 1)
 163         endif()
 164 endif()
 165
 166 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
 167         if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
 168                 if (NOT WOLFSSL_FOUND)
 169                         if (LWS_USE_CYASSL)
 170                                 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
 171                         else()
 172                                 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
 173                         endif()
 174                 endif()
 175         else()
 176                 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
 177                 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
 178                 set(WOLFSSL_FOUND 1)
 179         endif()
 180         set(USE_WOLFSSL 1)
 181         if (LWS_USE_CYASSL)
 182                 set(USE_OLD_CYASSL 1)
 183         endif()
 184 endif()
 185
 186 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 187         if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
 188         else()
 189                 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
 190                 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
 191                 set(ZLIB_FOUND 1)
 192         endif()
 193 endif()
 194
 195 if (LWS_WITH_LIBEV)
 196         if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
 197         else()
 198                 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
 199                 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
 200                 set(LIBEV_FOUND 1)
 201         endif()
 202 endif()
 203
 204 if (LWS_WITH_LIBUV)
 205         if ("${LWS_LIBUV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBUV_INCLUDE_DIRS}" STREQUAL "")
 206         else()
 207                 set(LIBUV_LIBRARIES ${LWS_LIBUV_LIBRARIES})
 208                 set(LIBUV_INCLUDE_DIRS ${LWS_LIBUV_INCLUDE_DIRS})
 209                 set(LIBUV_FOUND 1)
 210         endif()
 211 endif()
 212
 213 # FIXME: This must be runtime-only option.
 214 # The base dir where the test-apps look for the SSL certs.
 215 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
 216 if (WIN32)
 217         set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
 218
 219         if (LWS_IPV6)
 220                 set(LWS_IPV6 OFF)
 221                 message(WARNING "IPv6 does not currently work on Windows!")
 222         endif()
 223 else()
 224         set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
 225 endif()
 226
 227 if (LWS_WITHOUT_EXTENSIONS)
 228         set(LWS_NO_EXTENSIONS 1)
 229 endif()
 230
 231 if (LWS_WITH_SSL)
 232         set(LWS_OPENSSL_SUPPORT 1)
 233 endif()
 234
 235 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
 236         set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
 237 endif()
 238
 239 if (LWS_WITH_LATENCY)
 240         set(LWS_LATENCY 1)
 241 endif()
 242
 243 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
 244         set(LWS_NO_DAEMONIZE 1)
 245 endif()
 246
 247 if (LWS_WITHOUT_SERVER)
 248         set(LWS_NO_SERVER 1)
 249 endif()
 250
 251 if (LWS_WITHOUT_CLIENT)
 252         set(LWS_NO_CLIENT 1)
 253 endif()
 254
 255 if (LWS_WITH_LIBEV)
 256         set(LWS_USE_LIBEV 1)
 257 endif()
 258
 259 if (LWS_WITH_LIBUV)
 260         set(LWS_USE_LIBUV 1)
 261 endif()
 262
 263 if (LWS_IPV6)
 264         set(LWS_USE_IPV6 1)
 265 endif()
 266
 267 if (LWS_WITH_HTTP2)
 268         set(LWS_USE_HTTP2 1)
 269 endif()
 270
 271 if ("${LWS_MAX_SMP}" STREQUAL "")
 272         set(LWS_MAX_SMP 32)
 273 endif()
 274
 275 #if (LWS_MBED3)
 276 #       set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
 277 #endif()
 278
 279 if (MINGW)
 280         set(LWS_MINGW_SUPPORT 1)
 281         set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
 282 endif()
 283
 284 if (LWS_SSL_SERVER_WITH_ECDH_CERT)
 285         set(LWS_SSL_SERVER_WITH_ECDH_CERT 1)
 286 endif()
 287
 288 include_directories("${PROJECT_BINARY_DIR}")
 289
 290 include(CheckCSourceCompiles)
 291
 292 # Check for different inline keyword versions.
 293 foreach(KEYWORD "inline" "__inline__" "__inline")
 294         set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
 295         CHECK_C_SOURCE_COMPILES(
 296                 "
 297                 #include <stdio.h>
 298                 static KEYWORD void a() {}
 299                 int main(int argc, char **argv) { a(); return 0; }
 300                 " LWS_HAVE_${KEYWORD})
 301 endforeach()
 302
 303 if (NOT LWS_HAVE_inline)
 304         if (LWS_HAVE___inline__)
 305                 set(inline __inline__)
 306         elseif(LWS_HAVE___inline)
 307                 set(inline __inline)
 308         endif()
 309 endif()
 310
 311 # Put the libaries and binaries that get built into directories at the
 312 # top of the build tree rather than in hard-to-find leaf directories.
 313 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
 314 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 315 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 316
 317 # Put absolute path of dynamic libraries into the object code. Some
 318 # architectures, notably Mac OS X, need this.
 319 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
 320
 321 include(CheckFunctionExists)
 322 include(CheckIncludeFile)
 323 include(CheckIncludeFiles)
 324 include(CheckLibraryExists)
 325 include(CheckTypeSize)
 326
 327 if (LWS_WITHOUT_BUILTIN_SHA1)
 328         set(LWS_SHA1_USE_OPENSSL_NAME 1)
 329 endif()
 330
 331 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
 332 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
 333 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
 334 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
 335 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
 336 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
 337 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
 338 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
 339 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
 340 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
 341 CHECK_FUNCTION_EXISTS(snprintf LWS_HAVE_SNPRINTF)
 342 CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)
 343 CHECK_FUNCTION_EXISTS(_vsnprintf LWS_HAVE__VSNPRINTF)
 344
 345 if (NOT LWS_HAVE_GETIFADDRS)
 346         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
 347                 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.")
 348         endif()
 349         set(LWS_BUILTIN_GETIFADDRS 1)
 350 endif()
 351
 352 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
 353 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
 354 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
 355 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
 356 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
 357 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
 358 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
 359 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
 360 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
 361 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
 362 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
 363 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
 364 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
 365 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
 366 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
 367 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
 368
 369 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 370         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
 371 endif()
 372
 373 # TODO: These can also be tested to see whether they actually work...
 374 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
 375 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
 376
 377 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 378
 379 # These don't work Cross...
 380 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
 381 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
 382 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
 383
 384 if (NOT PID_T_SIZE)
 385         set(pid_t int)
 386 endif()
 387
 388 if (NOT SIZE_T_SIZE)
 389         set(size_t "unsigned int")
 390 endif()
 391
 392 if (NOT LWS_HAVE_MALLOC)
 393         set(malloc rpl_malloc)
 394 endif()
 395
 396 if (NOT LWS_HAVE_REALLOC)
 397         set(realloc rpl_realloc)
 398 endif()
 399
 400 # Generate the lws_config.h that includes all the public compilation settings.
 401 configure_file(
 402        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
 403        "${PROJECT_BINARY_DIR}/lws_config.h")
 404
 405 # Generate the lws_config.h that includes all the private compilation settings.
 406 configure_file(
 407        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
 408        "${PROJECT_BINARY_DIR}/lws_config_private.h")
 409
 410 if (MSVC)
 411         # Turn off stupid microsoft security warnings.
 412         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 413 endif(MSVC)
 414
 415 include_directories("${PROJECT_SOURCE_DIR}/lib")
 416
 417 # Group headers and sources.
 418 # Some IDEs use this for nicer file structure.
 419 set(HDR_PRIVATE
 420         lib/private-libwebsockets.h)
 421
 422 set(HDR_PUBLIC
 423         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
 424         "${PROJECT_BINARY_DIR}/lws_config.h")
 425
 426 set(SOURCES
 427         lib/base64-decode.c
 428         lib/handshake.c
 429         lib/libwebsockets.c
 430         lib/service.c
 431         lib/pollfd.c
 432         lib/output.c
 433         lib/parsers.c
 434         lib/context.c
 435         lib/alloc.c
 436         lib/header.c)
 437
 438 if (NOT LWS_WITHOUT_CLIENT)
 439         list(APPEND SOURCES
 440                 lib/client.c
 441                 lib/client-handshake.c
 442                 lib/client-parser.c)
 443 endif()
 444
 445 if (LWS_WITH_SSL)
 446         list(APPEND SOURCES
 447                 lib/ssl.c)
 448 endif()
 449
 450 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
 451         list(APPEND SOURCES
 452                 lib/sha-1.c)
 453 endif()
 454
 455 if (LWS_WITH_HTTP2)
 456         list(APPEND SOURCES
 457                 lib/http2.c
 458                 lib/hpack.c
 459                 lib/ssl-http2.c)
 460 endif()
 461 # select the active platform files
 462
 463 if (WIN32)
 464         list(APPEND SOURCES
 465                 lib/lws-plat-win.c)
 466 else()
 467         if (LWS_MBED3)
 468                 list(APPEND SOURCES
 469                         lib/lws-plat-mbed3.cpp
 470                         lib/lws-plat-mbed3.c)
 471         else()
 472                 list(APPEND SOURCES
 473                         lib/lws-plat-unix.c)
 474         endif()
 475 endif()
 476
 477 if (NOT LWS_WITHOUT_SERVER)
 478         list(APPEND SOURCES
 479                 lib/server.c
 480                 lib/server-handshake.c)
 481 endif()
 482
 483 if (NOT LWS_WITHOUT_EXTENSIONS)
 484         list(APPEND HDR_PRIVATE
 485                 lib/extension-permessage-deflate.h)
 486         list(APPEND SOURCES
 487                 lib/extension.c
 488                 lib/extension-permessage-deflate.c)
 489 endif()
 490
 491 if (LWS_WITH_LIBEV)
 492         list(APPEND SOURCES
 493                 lib/libev.c)
 494 endif()
 495
 496 if (LWS_WITH_LIBUV)
 497         list(APPEND SOURCES
 498                 lib/libuv.c)
 499 endif()
 500
 501 # Add helper files for Windows.
 502 if (WIN32)
 503         set(WIN32_HELPERS_PATH win32port/win32helpers)
 504         include_directories(${WIN32_HELPERS_PATH})
 505 else()
 506         # Unix.
 507         if (NOT LWS_WITHOUT_DAEMONIZE)
 508                 list(APPEND SOURCES
 509                         lib/daemonize.c)
 510         endif()
 511 endif()
 512
 513 if (UNIX)
 514         if (NOT LWS_HAVE_GETIFADDRS)
 515                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 516                 list(APPEND SOURCES lib/getifaddrs.c)
 517         endif()
 518 endif()
 519
 520 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 521     include (CheckCCompilerFlag)
 522     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
 523     if (LWS_HAVE_VISIBILITY)
 524                 set(VISIBILITY_FLAG -fvisibility=hidden)
 525     endif()
 526     if (UNIX)
 527                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 528     else(UNIX)
 529                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 530     endif(UNIX)
 531 endif ()
 532
 533 if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT LWS_WITHOUT_TESTAPPS)
 534     if (UNIX)
 535         # jeez clang understands -pthread but dies if he sees it at link time!
 536         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
 537         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
 538     endif()
 539 endif()
 540
 541 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 542         # otherwise osx blows a bunch of openssl deprecated api errors
 543         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
 544 endif()
 545
 546 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 547 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 548 source_group("Sources"          FILES ${SOURCES})
 549
 550 #
 551 # Create the lib.
 552 #
 553 set(LWS_LIBRARIES)
 554
 555 if (LWS_WITH_STATIC)
 556         add_library(websockets STATIC
 557                                 ${HDR_PRIVATE}
 558                                 ${HDR_PUBLIC}
 559                                 ${SOURCES})
 560         list(APPEND LWS_LIBRARIES websockets)
 561
 562         if (WIN32)
 563                 # Windows uses the same .lib ending for static libraries and shared
 564                 # library linker files, so rename the static library.
 565                 set_target_properties(websockets
 566                         PROPERTIES
 567                         OUTPUT_NAME websockets_static)
 568         endif()
 569 endif()
 570
 571 if (LWS_WITH_SHARED)
 572         add_library(websockets_shared SHARED
 573                                 ${HDR_PRIVATE}
 574                                 ${HDR_PUBLIC}
 575                                 ${SOURCES})
 576         list(APPEND LWS_LIBRARIES websockets_shared)
 577
 578         # We want the shared lib to be named "libwebsockets"
 579         # not "libwebsocket_shared".
 580         set_target_properties(websockets_shared
 581                 PROPERTIES
 582                 OUTPUT_NAME websockets)
 583
 584         if (WIN32)
 585                 # Compile as DLL (export function declarations)
 586                 set_property(
 587                         TARGET websockets_shared
 588                         PROPERTY COMPILE_DEFINITIONS
 589                         LWS_DLL
 590                         LWS_INTERNAL)
 591         endif()
 592
 593         if (APPLE)
 594                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
 595         endif()
 596 endif()
 597
 598 # Set the so version of the lib.
 599 # Equivalent to LDFLAGS=-version-info x:x:x
 600 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 601         foreach(lib ${LWS_LIBRARIES})
 602                 set_target_properties(${lib}
 603                         PROPERTIES
 604                         SOVERSION ${SOVERSION})
 605         endforeach()
 606 endif()
 607
 608 set(LIB_LIST)
 609
 610 #
 611 # Find libraries.
 612 #
 613
 614 #
 615 # ZLIB (Only needed for deflate extensions).
 616 #
 617 if (LWS_WITH_ZLIB)
 618         if (LWS_USE_BUNDLED_ZLIB)
 619                 if (WIN32)
 620                         set(WIN32_ZLIB_PATH "win32port/zlib")
 621                         set(ZLIB_SRCS
 622                                 ${WIN32_ZLIB_PATH}/adler32.c
 623                                 ${WIN32_ZLIB_PATH}/compress.c
 624                                 ${WIN32_ZLIB_PATH}/crc32.c
 625                                 ${WIN32_ZLIB_PATH}/deflate.c
 626                                 ${WIN32_ZLIB_PATH}/gzclose.c
 627                                 ${WIN32_ZLIB_PATH}/gzio.c
 628                                 ${WIN32_ZLIB_PATH}/gzlib.c
 629                                 ${WIN32_ZLIB_PATH}/gzread.c
 630                                 ${WIN32_ZLIB_PATH}/gzwrite.c
 631                                 ${WIN32_ZLIB_PATH}/infback.c
 632                                 ${WIN32_ZLIB_PATH}/inffast.c
 633                                 ${WIN32_ZLIB_PATH}/inflate.c
 634                                 ${WIN32_ZLIB_PATH}/inftrees.c
 635                                 ${WIN32_ZLIB_PATH}/trees.c
 636                                 ${WIN32_ZLIB_PATH}/uncompr.c
 637                                 ${WIN32_ZLIB_PATH}/zutil.c)
 638                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
 639                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 640                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
 641                         set(ZLIB_FOUND 1)
 642                         # Make sure zlib_internal is compiled before the libs.
 643                         foreach (lib ${LWS_LIBRARIES})
 644                                 add_dependencies(${lib} zlib_internal)
 645                         endforeach()
 646                 else()
 647                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
 648                 endif()
 649         elseif (NOT ZLIB_FOUND)
 650                 find_package(ZLIB REQUIRED)
 651         endif()
 652         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
 653         message("zlib libraries: ${ZLIB_LIBRARIES}")
 654         include_directories(${ZLIB_INCLUDE_DIRS})
 655         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
 656 endif()
 657
 658 #
 659 # OpenSSL
 660 #
 661 if (LWS_WITH_SSL)
 662         message("Compiling with SSL support")
 663
 664         if (LWS_USE_WOLFSSL)
 665                 # Use wolfSSL as OpenSSL replacement.
 666                 # TODO: Add a find_package command for this also.
 667                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
 668                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
 669
 670                 # Additional to the root directory we need to include
 671                 # the wolfssl/ subdirectory which contains the OpenSSL
 672                 # compatibility layer headers.
 673
 674                 if (LWS_USE_CYASSL)
 675                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 676                                 include_directories("${inc}" "${inc}/cyassl")
 677                         endforeach()
 678                 else()
 679                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 680                                 include_directories("${inc}" "${inc}/wolfssl")
 681                         endforeach()
 682                 endif()
 683
 684                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
 685         else()
 686                 if (NOT OPENSSL_FOUND)
 687                         # TODO: Add support for STATIC also.
 688                         find_package(OpenSSL REQUIRED)
 689                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
 690                 endif()
 691
 692                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
 693                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 694
 695                 include_directories("${OPENSSL_INCLUDE_DIRS}")
 696                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
 697         endif()
 698 endif(LWS_WITH_SSL)
 699
 700 if (LWS_WITH_LIBEV)
 701         if (NOT LIBEV_FOUND)
 702                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
 703                 find_library(LIBEV_LIBRARIES NAMES ev)
 704                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
 705                         set(LIBEV_FOUND 1)
 706                 endif()
 707         endif()
 708         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
 709         message("libev libraries: ${LIBEV_LIBRARIES}")
 710         include_directories("${LIBEV_INCLUDE_DIRS}")
 711         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
 712 endif(LWS_WITH_LIBEV)
 713
 714 if (LWS_WITH_LIBUV)
 715         if (NOT LIBUV_FOUND)
 716                 find_path(LIBUV_INCLUDE_DIRS NAMES uv.h)
 717                 find_library(LIBUV_LIBRARIES NAMES uv)
 718                 if(LIBUV_INCLUDE_DIRS AND LIBUV_LIBRARIES)
 719                         set(LIBUV_FOUND 1)
 720                 endif()
 721         endif()
 722         message("libuv include dir: ${LIBUV_INCLUDE_DIRS}")
 723         message("libuv libraries: ${LIBUV_LIBRARIES}")
 724         include_directories("${LIBUV_INCLUDE_DIRS}")
 725         list(APPEND LIB_LIST ${LIBUV_LIBRARIES})
 726 endif()
 727
 728 #
 729 # Platform specific libs.
 730 #
 731 if (WINCE)
 732         list(APPEND LIB_LIST ws2.lib)
 733 elseif (WIN32)
 734         list(APPEND LIB_LIST ws2_32.lib)
 735 endif()
 736
 737 if (UNIX)
 738         list(APPEND LIB_LIST m)
 739 endif()
 740
 741 # Setup the linking for all libs.
 742 foreach (lib ${LWS_LIBRARIES})
 743         target_link_libraries(${lib} ${LIB_LIST})
 744 endforeach()
 745
 746 #
 747 # Test applications
 748 #
 749 set(TEST_APP_LIST)
 750 if (NOT LWS_WITHOUT_TESTAPPS)
 751         #
 752         # Helper function for adding a test app.
 753         #
 754         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4 S5 S6)
 755
 756                 set(TEST_SRCS ${MAIN_SRC})
 757                 set(TEST_HDR)
 758                 if ("${S2}" STREQUAL "")
 759                 else()
 760                         list(APPEND TEST_SRCS ${S2})
 761                 endif()
 762                 if ("${S3}" STREQUAL "")
 763                 else()
 764                         list(APPEND TEST_SRCS ${S3})
 765                 endif()
 766                 if ("${S4}" STREQUAL "")
 767                 else()
 768                         list(APPEND TEST_SRCS ${S4})
 769                 endif()
 770                 if ("${S5}" STREQUAL "")
 771                 else()
 772                         list(APPEND TEST_SRCS ${S5})
 773                 endif()
 774                 if ("${S6}" STREQUAL "")
 775                 else()
 776                         list(APPEND TEST_SRCS ${S6})
 777                 endif()
 778                 if (WIN32)
 779                         list(APPEND TEST_SRCS
 780                                 ${WIN32_HELPERS_PATH}/getopt.c
 781                                 ${WIN32_HELPERS_PATH}/getopt_long.c
 782                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 783                         )
 784
 785                         list(APPEND TEST_HDR
 786                                 ${WIN32_HELPERS_PATH}/getopt.h
 787                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 788                         )
 789                 endif(WIN32)
 790
 791                 source_group("Headers Private"   FILES ${TEST_HDR})
 792                 source_group("Sources"   FILES ${TEST_SRCS})
 793                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 794
 795                 if (LWS_LINK_TESTAPPS_DYNAMIC)
 796                         if (NOT LWS_WITH_SHARED)
 797                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
 798                         endif()
 799                         target_link_libraries(${TEST_NAME} websockets_shared)
 800                         add_dependencies(${TEST_NAME} websockets_shared)
 801                 else()
 802                         if (NOT LWS_WITH_STATIC)
 803                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
 804                         endif()
 805                         target_link_libraries(${TEST_NAME} websockets)
 806                         add_dependencies(${TEST_NAME} websockets)
 807                 endif()
 808
 809                 # Set test app specific defines.
 810                 set_property(TARGET ${TEST_NAME}
 811                                         PROPERTY COMPILE_DEFINITIONS
 812                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 813                                         )
 814
 815                 # Prefix the binary names with libwebsockets.
 816                 set_target_properties(${TEST_NAME}
 817                         PROPERTIES
 818                         OUTPUT_NAME libwebsockets-${TEST_NAME})
 819
 820                 # Add to the list of tests.
 821                 list(APPEND TEST_APP_LIST ${TEST_NAME})
 822         endmacro()
 823
 824         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 825                 message("Searching for OpenSSL executable and dlls")
 826                 find_package(OpenSSLbins)
 827                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
 828         endif()
 829
 830         if (NOT LWS_WITHOUT_SERVER)
 831                 #
 832                 # test-server
 833                 #
 834                 if (NOT LWS_WITHOUT_TEST_SERVER)
 835                         create_test_app(test-server "test-server/test-server.c"
 836                                 "test-server/test-server-http.c"
 837                                 "test-server/test-server-dumb-increment.c"
 838                                 "test-server/test-server-mirror.c"
 839                                 "test-server/test-server-status.c"
 840                                 "test-server/test-server-echogen.c")
 841                         if (UNIX)
 842                                 create_test_app(test-fuzxy "test-server/fuzxy.c"
 843                                         ""
 844                                         ""
 845                                         ""
 846                                         ""
 847                                         "")
 848                         endif()
 849                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
 850                                 create_test_app(test-server-pthreads
 851                                         "test-server/test-server-pthreads.c"
 852                                         "test-server/test-server-http.c"
 853                                         "test-server/test-server-dumb-increment.c"
 854                                         "test-server/test-server-mirror.c"
 855                                         "test-server/test-server-status.c"
 856                                         "test-server/test-server-echogen.c")
 857                         endif()
 858                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 859                                 AND LWS_WITH_LIBEV)
 860                                 create_test_app(test-server-libev
 861                                         "test-server/test-server-libev.c"
 862                                         "test-server/test-server-http.c"
 863                                         "test-server/test-server-dumb-increment.c"
 864                                         "test-server/test-server-mirror.c"
 865                                         "test-server/test-server-status.c"
 866                                         "test-server/test-server-echogen.c")
 867                         endif()
 868                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 869                                 AND LWS_WITH_LIBUV)
 870                                 create_test_app(test-server-libuv
 871                                         "test-server/test-server-libuv.c"
 872                                         "test-server/test-server-http.c"
 873                                         "test-server/test-server-dumb-increment.c"
 874                                         "test-server/test-server-mirror.c"
 875                                         "test-server/test-server-status.c"
 876                                         "test-server/test-server-echogen.c")
 877                         endif()
 878                 endif()
 879
 880                 #
 881                 # test-server-extpoll
 882                 #
 883                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
 884                         create_test_app(test-server-extpoll "test-server/test-server.c"
 885                                 "test-server/test-server-http.c"
 886                                 "test-server/test-server-dumb-increment.c"
 887                                 "test-server/test-server-mirror.c"
 888                                 "test-server/test-server-status.c"
 889                                 "test-server/test-server-echogen.c")
 890                         # Set defines for this executable only.
 891                         set_property(
 892                                 TARGET test-server-extpoll
 893                                 PROPERTY COMPILE_DEFINITIONS
 894                                         EXTERNAL_POLL
 895                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 896                                 )
 897
 898                         # We need to link against winsock code.
 899                         if (WIN32)
 900                                 target_link_libraries(test-server-extpoll ws2_32.lib)
 901                         endif(WIN32)
 902                 endif()
 903
 904                 # Data files for running the test server.
 905                 set(TEST_SERVER_DATA
 906                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
 907                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
 908                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
 909                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
 910
 911                 # Generate self-signed SSL certs for the test-server.
 912                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
 913                         message("Generating SSL Certificates for the test-server...")
 914
 915                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
 916                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
 917
 918                         if (WIN32)
 919                                 if (MINGW)
 920                                         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 \"${TEST_SERVER_SSL_CERT}\"")
 921                                         execute_process(
 922                                                 COMMAND "${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}"
 923                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
 924                                 else()
 925                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
 926                                                 "GB\n"
 927                                                 "Erewhon\n"
 928                                                 "All around\n"
 929                                                 "libwebsockets-test\n"
 930                                                 "localhost\n"
 931                                                 "none@invalid.org\n\n"
 932                                                 )
 933
 934                                         # The "type" command is a bit picky with paths.
 935                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
 936                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
 937                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
 938
 939                                         execute_process(
 940                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
 941                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 942                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
 943                                                 OUTPUT_QUIET ERROR_QUIET)
 944
 945                                         message("\n")
 946                                 endif()
 947
 948                                 if (OPENSSL_RETURN_CODE)
 949                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 950                                 else()
 951                                         message("SUCCSESFULLY generated SSL certificate")
 952                                 endif()
 953                         else()
 954                                 # Unix.
 955                                 execute_process(
 956                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
 957                                         COMMAND "${OPENSSL_EXECUTABLE}"
 958                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 959                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
 960                                         OUTPUT_QUIET ERROR_QUIET)
 961
 962                                 if (OPENSSL_RETURN_CODE)
 963                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 964                                 else()
 965                                         message("SUCCESSFULLY generated SSL certificate")
 966                                 endif()
 967                         endif()
 968
 969                         list(APPEND TEST_SERVER_DATA
 970                                 "${TEST_SERVER_SSL_KEY}"
 971                                 "${TEST_SERVER_SSL_CERT}")
 972                 endif()
 973
 974                 add_custom_command(TARGET test-server
 975                                                 POST_BUILD
 976                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
 977
 978                 # Copy the file needed to run the server so that the test apps can
 979                 # reach them from their default output location
 980                 foreach (TEST_FILE ${TEST_SERVER_DATA})
 981                         if (EXISTS ${TEST_FILE})
 982                                 add_custom_command(TARGET test-server
 983                                                         POST_BUILD
 984                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
 985                         endif()
 986                 endforeach()
 987         endif(NOT LWS_WITHOUT_SERVER)
 988
 989         if (NOT LWS_WITHOUT_CLIENT)
 990                 #
 991                 # test-client
 992                 #
 993                 if (NOT LWS_WITHOUT_TEST_CLIENT)
 994                         create_test_app(test-client "test-server/test-client.c" "" "" "" "" "")
 995                 endif()
 996
 997                 #
 998                 # test-fraggle
 999                 #
1000                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
1001                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "" "" "")
1002                 endif()
1003
1004                 #
1005                 # test-ping
1006                 #
1007                 if (NOT LWS_WITHOUT_TEST_PING)
1008                         create_test_app(test-ping "test-server/test-ping.c" "" "" "" "" "")
1009                 endif()
1010                 #
1011                 # test-echo
1012                 #
1013                 if (NOT LWS_WITHOUT_TEST_ECHO)
1014                         create_test_app(test-echo "test-server/test-echo.c" "" "" "" "" "")
1015                 endif()
1016
1017         endif(NOT LWS_WITHOUT_CLIENT)
1018
1019         #
1020         # Copy OpenSSL dlls to the output directory on Windows.
1021         # (Otherwise we'll get an error when trying to run)
1022         #
1023         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
1024                 if(OPENSSL_BIN_FOUND)
1025                         message("OpenSSL dlls found:")
1026                         message("  Libeay: ${LIBEAY_BIN}")
1027                         message("  SSLeay: ${SSLEAY_BIN}")
1028
1029                         foreach(TARGET_BIN ${TEST_APP_LIST})
1030                                 add_custom_command(TARGET ${TARGET_BIN}
1031                                         POST_BUILD
1032                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1033                                 add_custom_command(TARGET ${TARGET_BIN}
1034                                         POST_BUILD
1035                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1036                         endforeach()
1037                 endif()
1038         endif()
1039 endif(NOT LWS_WITHOUT_TESTAPPS)
1040
1041 if (UNIX)
1042         # Generate documentation.
1043         # TODO: Fix this on Windows.
1044         message("Generating API documentation")
1045         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
1046         list(SORT C_FILES)
1047         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
1048
1049         execute_process(
1050                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
1051                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
1052                 ERROR_QUIET)
1053
1054         execute_process(
1055                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
1056                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
1057                 ERROR_QUIET)
1058
1059 # Generate and install pkgconfig.
1060 # (This is not indented, because the tabs will be part of the output)
1061 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1062 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
1063 exec_prefix=\${prefix}
1064 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
1065 includedir=\${prefix}/include
1066
1067 Name: libwebsockets
1068 Description: Websockets server and client library
1069 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
1070
1071 Libs: -L\${libdir} -lwebsockets
1072 Cflags: -I\${includedir}"
1073 )
1074
1075         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1076                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
1077 endif(UNIX)
1078
1079 #
1080 # Installation preparations.
1081 #
1082
1083 if(WIN32 AND NOT CYGWIN)
1084   set(DEF_INSTALL_CMAKE_DIR cmake)
1085 else()
1086   set(DEF_INSTALL_CMAKE_DIR lib${LIB_SUFFIX}/cmake/libwebsockets)
1087 endif()
1088
1089 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
1090
1091 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
1092 export(TARGETS ${LWS_LIBRARIES}
1093         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
1094 export(PACKAGE libwebsockets)
1095
1096 # Generate the config file for the build-tree.
1097 set(LWS__INCLUDE_DIRS
1098     "${PROJECT_SOURCE_DIR}/lib"
1099     "${PROJECT_BINARY_DIR}")
1100 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
1101 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1102                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
1103                 @ONLY)
1104
1105 # Generate the config file for the installation tree.
1106 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1107 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1108 file(RELATIVE_PATH
1109     REL_INCLUDE_DIR
1110     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1111     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1112
1113 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1114 # we escape it here so it's evaluated when it is included instead
1115 # so that the include dirs are given relative to where the
1116 # config file is located.
1117 set(LWS__INCLUDE_DIRS
1118     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1119 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1120                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1121                 @ONLY)
1122
1123 # Generate version info for both build-tree and install-tree.
1124 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1125                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1126                 @ONLY)
1127
1128                         set_target_properties(${LWS_LIBRARIES}
1129                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1130
1131 #
1132 # Installation.
1133 #
1134
1135 # Install libs and headers.
1136 install(TARGETS ${LWS_LIBRARIES}
1137                 EXPORT LibwebsocketsTargets
1138                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1139                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1140                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1141                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1142 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1143 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1144
1145 # Install test apps.
1146 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1147         install(TARGETS test-client ${TEST_APP_LIST}
1148                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1149                         COMPONENT examples)
1150         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1151 endif()
1152
1153 # Programs shared files used by the test-server.
1154 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1155         install(FILES ${TEST_SERVER_DATA}
1156                         DESTINATION share/libwebsockets-test-server
1157                         COMPONENT examples)
1158 endif()
1159
1160 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1161 install(FILES
1162                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1163                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1164                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1165
1166 # build subdir is not part of sources
1167 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1168
1169 # Most people are more used to "make dist" compared to "make package_source"
1170 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1171
1172 include(UseRPMTools)
1173 if (RPMTools_FOUND)
1174         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1175 endif()
1176
1177 message("---------------------------------------------------------------------")
1178 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1179 message("---------------------------------------------------------------------")
1180 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1181 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1182 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1183 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1184 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1185 if (LWS_USE_WOLFSSL)
1186         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1187         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1188 endif()
1189 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1190 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1191 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1192 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1193 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1194 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1195 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1196 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1197 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1198 message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
1199 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1200 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1201 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1202 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1203 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1204 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1205 message(" LWS_USE_LIBUV = ${LWS_USE_LIBUV}")
1206 message(" LWS_IPV6 = ${LWS_IPV6}")
1207 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1208 message(" LWS_MBED3 = ${LWS_MBED3}")
1209 message(" LWS_SSL_SERVER_WITH_ECDH_CERT = ${LWS_SSL_SERVER_WITH_ECDH_CERT}")
1210 message(" LWS_MAX_SMP = ${LWS_MAX_SMP}")
1211 message("---------------------------------------------------------------------")
1212
1213 # These will be available to parent projects including libwebsockets using add_subdirectory()
1214 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1215 if (LWS_WITH_STATIC)
1216         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1217 endif()
1218 if (LWS_WITH_SHARED)
1219         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1220 endif()
1221
1222 # This must always be last!
1223 include(CPack)