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 "${PACKAGE}")
  11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
  12 set(CPACK_PACKAGE_VERSION_MINOR "7")
  13 set(CPACK_PACKAGE_VERSION_PATCH "2")
  14 set(CPACK_PACKAGE_VERSION "${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
 342 if (NOT LWS_HAVE_GETIFADDRS)
 343         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
 344                 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.")
 345         endif()
 346         set(LWS_BUILTIN_GETIFADDRS 1)
 347 endif()
 348
 349 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
 350 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
 351 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
 352 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
 353 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
 354 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
 355 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
 356 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
 357 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
 358 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
 359 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
 360 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
 361 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
 362 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
 363 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
 364 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
 365
 366 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 367         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
 368 endif()
 369
 370 # TODO: These can also be tested to see whether they actually work...
 371 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
 372 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
 373
 374 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 375
 376 # These don't work Cross...
 377 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
 378 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
 379 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
 380
 381 if (NOT PID_T_SIZE)
 382         set(pid_t int)
 383 endif()
 384
 385 if (NOT SIZE_T_SIZE)
 386         set(size_t "unsigned int")
 387 endif()
 388
 389 if (NOT LWS_HAVE_MALLOC)
 390         set(malloc rpl_malloc)
 391 endif()
 392
 393 if (NOT LWS_HAVE_REALLOC)
 394         set(realloc rpl_realloc)
 395 endif()
 396
 397 # Generate the lws_config.h that includes all the public compilation settings.
 398 configure_file(
 399        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
 400        "${PROJECT_BINARY_DIR}/lws_config.h")
 401
 402 # Generate the lws_config.h that includes all the private compilation settings.
 403 configure_file(
 404        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
 405        "${PROJECT_BINARY_DIR}/lws_config_private.h")
 406
 407 if (MSVC)
 408         # Turn off stupid microsoft security warnings.
 409         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 410 endif(MSVC)
 411
 412 include_directories("${PROJECT_SOURCE_DIR}/lib")
 413
 414 # Group headers and sources.
 415 # Some IDEs use this for nicer file structure.
 416 set(HDR_PRIVATE
 417         lib/private-libwebsockets.h)
 418
 419 set(HDR_PUBLIC
 420         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
 421         "${PROJECT_BINARY_DIR}/lws_config.h")
 422
 423 set(SOURCES
 424         lib/base64-decode.c
 425         lib/handshake.c
 426         lib/libwebsockets.c
 427         lib/service.c
 428         lib/pollfd.c
 429         lib/output.c
 430         lib/parsers.c
 431         lib/context.c
 432         lib/alloc.c
 433         lib/header.c)
 434
 435 if (NOT LWS_WITHOUT_CLIENT)
 436         list(APPEND SOURCES
 437                 lib/client.c
 438                 lib/client-handshake.c
 439                 lib/client-parser.c)
 440 endif()
 441
 442 if (LWS_WITH_SSL)
 443         list(APPEND SOURCES
 444                 lib/ssl.c)
 445 endif()
 446
 447 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
 448         list(APPEND SOURCES
 449                 lib/sha-1.c)
 450 endif()
 451
 452 if (LWS_WITH_HTTP2)
 453         list(APPEND SOURCES
 454                 lib/http2.c
 455                 lib/hpack.c
 456                 lib/ssl-http2.c)
 457 endif()
 458 # select the active platform files
 459
 460 if (WIN32)
 461         list(APPEND SOURCES
 462                 lib/lws-plat-win.c)
 463 else()
 464         if (LWS_MBED3)
 465                 list(APPEND SOURCES
 466                         lib/lws-plat-mbed3.cpp
 467                         lib/lws-plat-mbed3.c)
 468         else()
 469                 list(APPEND SOURCES
 470                         lib/lws-plat-unix.c)
 471         endif()
 472 endif()
 473
 474 if (NOT LWS_WITHOUT_SERVER)
 475         list(APPEND SOURCES
 476                 lib/server.c
 477                 lib/server-handshake.c)
 478 endif()
 479
 480 if (NOT LWS_WITHOUT_EXTENSIONS)
 481         list(APPEND HDR_PRIVATE
 482                 lib/extension-permessage-deflate.h)
 483         list(APPEND SOURCES
 484                 lib/extension.c
 485                 lib/extension-permessage-deflate.c)
 486 endif()
 487
 488 if (LWS_WITH_LIBEV)
 489         list(APPEND SOURCES
 490                 lib/libev.c)
 491 endif()
 492
 493 if (LWS_WITH_LIBUV)
 494         list(APPEND SOURCES
 495                 lib/libuv.c)
 496 endif()
 497
 498 # Add helper files for Windows.
 499 if (WIN32)
 500         set(WIN32_HELPERS_PATH win32port/win32helpers)
 501         include_directories(${WIN32_HELPERS_PATH})
 502 else()
 503         # Unix.
 504         if (NOT LWS_WITHOUT_DAEMONIZE)
 505                 list(APPEND SOURCES
 506                         lib/daemonize.c)
 507         endif()
 508 endif()
 509
 510 if (UNIX)
 511         if (NOT LWS_HAVE_GETIFADDRS)
 512                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 513                 list(APPEND SOURCES lib/getifaddrs.c)
 514         endif()
 515 endif()
 516
 517 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 518     include (CheckCCompilerFlag)
 519     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
 520     if (LWS_HAVE_VISIBILITY)
 521                 set(VISIBILITY_FLAG -fvisibility=hidden)
 522     endif()
 523     if (UNIX)
 524                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 525     else(UNIX)
 526                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 527     endif(UNIX)
 528 endif ()
 529
 530 if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT LWS_WITHOUT_TESTAPPS)
 531     if (UNIX)
 532         # jeez clang understands -pthread but dies if he sees it at link time!
 533         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
 534         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
 535     endif()
 536 endif()
 537
 538 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 539         # otherwise osx blows a bunch of openssl deprecated api errors
 540         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
 541 endif()
 542
 543 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 544 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 545 source_group("Sources"          FILES ${SOURCES})
 546
 547 #
 548 # Create the lib.
 549 #
 550 set(LWS_LIBRARIES)
 551
 552 if (LWS_WITH_STATIC)
 553         add_library(websockets STATIC
 554                                 ${HDR_PRIVATE}
 555                                 ${HDR_PUBLIC}
 556                                 ${SOURCES})
 557         list(APPEND LWS_LIBRARIES websockets)
 558
 559         if (WIN32)
 560                 # Windows uses the same .lib ending for static libraries and shared
 561                 # library linker files, so rename the static library.
 562                 set_target_properties(websockets
 563                         PROPERTIES
 564                         OUTPUT_NAME websockets_static)
 565         endif()
 566 endif()
 567
 568 if (LWS_WITH_SHARED)
 569         add_library(websockets_shared SHARED
 570                                 ${HDR_PRIVATE}
 571                                 ${HDR_PUBLIC}
 572                                 ${SOURCES})
 573         list(APPEND LWS_LIBRARIES websockets_shared)
 574
 575         # We want the shared lib to be named "libwebsockets"
 576         # not "libwebsocket_shared".
 577         set_target_properties(websockets_shared
 578                 PROPERTIES
 579                 OUTPUT_NAME websockets)
 580
 581         if (WIN32)
 582                 # Compile as DLL (export function declarations)
 583                 set_property(
 584                         TARGET websockets_shared
 585                         PROPERTY COMPILE_DEFINITIONS
 586                         LWS_DLL
 587                         LWS_INTERNAL)
 588         endif()
 589
 590         if (APPLE)
 591                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
 592         endif()
 593 endif()
 594
 595 # Set the so version of the lib.
 596 # Equivalent to LDFLAGS=-version-info x:x:x
 597 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 598         foreach(lib ${LWS_LIBRARIES})
 599                 set_target_properties(${lib}
 600                         PROPERTIES
 601                         SOVERSION ${SOVERSION})
 602         endforeach()
 603 endif()
 604
 605 set(LIB_LIST)
 606
 607 #
 608 # Find libraries.
 609 #
 610
 611 #
 612 # ZLIB (Only needed for deflate extensions).
 613 #
 614 if (LWS_WITH_ZLIB)
 615         if (LWS_USE_BUNDLED_ZLIB)
 616                 if (WIN32)
 617                         set(WIN32_ZLIB_PATH "win32port/zlib")
 618                         set(ZLIB_SRCS
 619                                 ${WIN32_ZLIB_PATH}/adler32.c
 620                                 ${WIN32_ZLIB_PATH}/compress.c
 621                                 ${WIN32_ZLIB_PATH}/crc32.c
 622                                 ${WIN32_ZLIB_PATH}/deflate.c
 623                                 ${WIN32_ZLIB_PATH}/gzclose.c
 624                                 ${WIN32_ZLIB_PATH}/gzio.c
 625                                 ${WIN32_ZLIB_PATH}/gzlib.c
 626                                 ${WIN32_ZLIB_PATH}/gzread.c
 627                                 ${WIN32_ZLIB_PATH}/gzwrite.c
 628                                 ${WIN32_ZLIB_PATH}/infback.c
 629                                 ${WIN32_ZLIB_PATH}/inffast.c
 630                                 ${WIN32_ZLIB_PATH}/inflate.c
 631                                 ${WIN32_ZLIB_PATH}/inftrees.c
 632                                 ${WIN32_ZLIB_PATH}/trees.c
 633                                 ${WIN32_ZLIB_PATH}/uncompr.c
 634                                 ${WIN32_ZLIB_PATH}/zutil.c)
 635                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
 636                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 637                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
 638                         set(ZLIB_FOUND 1)
 639                         # Make sure zlib_internal is compiled before the libs.
 640                         foreach (lib ${LWS_LIBRARIES})
 641                                 add_dependencies(${lib} zlib_internal)
 642                         endforeach()
 643                 else()
 644                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
 645                 endif()
 646         elseif (NOT ZLIB_FOUND)
 647                 find_package(ZLIB REQUIRED)
 648         endif()
 649         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
 650         message("zlib libraries: ${ZLIB_LIBRARIES}")
 651         include_directories(${ZLIB_INCLUDE_DIRS})
 652         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
 653 endif()
 654
 655 #
 656 # OpenSSL
 657 #
 658 if (LWS_WITH_SSL)
 659         message("Compiling with SSL support")
 660
 661         if (LWS_USE_WOLFSSL)
 662                 # Use wolfSSL as OpenSSL replacement.
 663                 # TODO: Add a find_package command for this also.
 664                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
 665                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
 666
 667                 # Additional to the root directory we need to include
 668                 # the wolfssl/ subdirectory which contains the OpenSSL
 669                 # compatibility layer headers.
 670
 671                 if (LWS_USE_CYASSL)
 672                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 673                                 include_directories("${inc}" "${inc}/cyassl")
 674                         endforeach()
 675                 else()
 676                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 677                                 include_directories("${inc}" "${inc}/wolfssl")
 678                         endforeach()
 679                 endif()
 680
 681                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
 682         else()
 683                 if (NOT OPENSSL_FOUND)
 684                         # TODO: Add support for STATIC also.
 685                         find_package(OpenSSL REQUIRED)
 686                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
 687                 endif()
 688
 689                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
 690                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 691
 692                 include_directories("${OPENSSL_INCLUDE_DIRS}")
 693                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
 694         endif()
 695 endif(LWS_WITH_SSL)
 696
 697 if (LWS_WITH_LIBEV)
 698         if (NOT LIBEV_FOUND)
 699                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
 700                 find_library(LIBEV_LIBRARIES NAMES ev)
 701                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
 702                         set(LIBEV_FOUND 1)
 703                 endif()
 704         endif()
 705         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
 706         message("libev libraries: ${LIBEV_LIBRARIES}")
 707         include_directories("${LIBEV_INCLUDE_DIRS}")
 708         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
 709 endif(LWS_WITH_LIBEV)
 710
 711 if (LWS_WITH_LIBUV)
 712         if (NOT LIBUV_FOUND)
 713                 find_path(LIBUV_INCLUDE_DIRS NAMES uv.h)
 714                 find_library(LIBUV_LIBRARIES NAMES uv)
 715                 if(LIBUV_INCLUDE_DIRS AND LIBUV_LIBRARIES)
 716                         set(LIBUV_FOUND 1)
 717                 endif()
 718         endif()
 719         message("libuv include dir: ${LIBUV_INCLUDE_DIRS}")
 720         message("libuv libraries: ${LIBUV_LIBRARIES}")
 721         include_directories("${LIBUV_INCLUDE_DIRS}")
 722         list(APPEND LIB_LIST ${LIBUV_LIBRARIES})
 723 endif()
 724
 725 #
 726 # Platform specific libs.
 727 #
 728 if (WINCE)
 729         list(APPEND LIB_LIST ws2.lib)
 730 elseif (WIN32)
 731         list(APPEND LIB_LIST ws2_32.lib)
 732 endif()
 733
 734 if (UNIX)
 735         list(APPEND LIB_LIST m)
 736 endif()
 737
 738 # Setup the linking for all libs.
 739 foreach (lib ${LWS_LIBRARIES})
 740         target_link_libraries(${lib} ${LIB_LIST})
 741 endforeach()
 742
 743 #
 744 # Test applications
 745 #
 746 set(TEST_APP_LIST)
 747 if (NOT LWS_WITHOUT_TESTAPPS)
 748         #
 749         # Helper function for adding a test app.
 750         #
 751         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4 S5 S6)
 752
 753                 set(TEST_SRCS ${MAIN_SRC})
 754                 set(TEST_HDR)
 755                 if ("${S2}" STREQUAL "")
 756                 else()
 757                         list(APPEND TEST_SRCS ${S2})
 758                 endif()
 759                 if ("${S3}" STREQUAL "")
 760                 else()
 761                         list(APPEND TEST_SRCS ${S3})
 762                 endif()
 763                 if ("${S4}" STREQUAL "")
 764                 else()
 765                         list(APPEND TEST_SRCS ${S4})
 766                 endif()
 767                 if ("${S5}" STREQUAL "")
 768                 else()
 769                         list(APPEND TEST_SRCS ${S5})
 770                 endif()
 771                 if ("${S6}" STREQUAL "")
 772                 else()
 773                         list(APPEND TEST_SRCS ${S6})
 774                 endif()
 775                 if (WIN32)
 776                         list(APPEND TEST_SRCS
 777                                 ${WIN32_HELPERS_PATH}/getopt.c
 778                                 ${WIN32_HELPERS_PATH}/getopt_long.c
 779                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 780                         )
 781
 782                         list(APPEND TEST_HDR
 783                                 ${WIN32_HELPERS_PATH}/getopt.h
 784                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 785                         )
 786                 endif(WIN32)
 787
 788                 source_group("Headers Private"   FILES ${TEST_HDR})
 789                 source_group("Sources"   FILES ${TEST_SRCS})
 790                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 791
 792                 if (LWS_LINK_TESTAPPS_DYNAMIC)
 793                         if (NOT LWS_WITH_SHARED)
 794                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
 795                         endif()
 796                         target_link_libraries(${TEST_NAME} websockets_shared)
 797                         add_dependencies(${TEST_NAME} websockets_shared)
 798                 else()
 799                         if (NOT LWS_WITH_STATIC)
 800                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
 801                         endif()
 802                         target_link_libraries(${TEST_NAME} websockets)
 803                         add_dependencies(${TEST_NAME} websockets)
 804                 endif()
 805
 806                 # Set test app specific defines.
 807                 set_property(TARGET ${TEST_NAME}
 808                                         PROPERTY COMPILE_DEFINITIONS
 809                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 810                                         )
 811
 812                 # Prefix the binary names with libwebsockets.
 813                 set_target_properties(${TEST_NAME}
 814                         PROPERTIES
 815                         OUTPUT_NAME libwebsockets-${TEST_NAME})
 816
 817                 # Add to the list of tests.
 818                 list(APPEND TEST_APP_LIST ${TEST_NAME})
 819         endmacro()
 820
 821         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 822                 message("Searching for OpenSSL executable and dlls")
 823                 find_package(OpenSSLbins)
 824                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
 825         endif()
 826
 827         if (NOT LWS_WITHOUT_SERVER)
 828                 #
 829                 # test-server
 830                 #
 831                 if (NOT LWS_WITHOUT_TEST_SERVER)
 832                         create_test_app(test-server "test-server/test-server.c"
 833                                 "test-server/test-server-http.c"
 834                                 "test-server/test-server-dumb-increment.c"
 835                                 "test-server/test-server-mirror.c"
 836                                 "test-server/test-server-status.c"
 837                                 "test-server/test-server-echogen.c")
 838                         if (UNIX)
 839                                 create_test_app(test-fuzxy "test-server/fuzxy.c"
 840                                         ""
 841                                         ""
 842                                         ""
 843                                         ""
 844                                         "")
 845                         endif()
 846                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
 847                                 create_test_app(test-server-pthreads
 848                                         "test-server/test-server-pthreads.c"
 849                                         "test-server/test-server-http.c"
 850                                         "test-server/test-server-dumb-increment.c"
 851                                         "test-server/test-server-mirror.c"
 852                                         "test-server/test-server-status.c"
 853                                         "test-server/test-server-echogen.c")
 854                         endif()
 855                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 856                                 AND LWS_WITH_LIBEV)
 857                                 create_test_app(test-server-libev
 858                                         "test-server/test-server-libev.c"
 859                                         "test-server/test-server-http.c"
 860                                         "test-server/test-server-dumb-increment.c"
 861                                         "test-server/test-server-mirror.c"
 862                                         "test-server/test-server-status.c"
 863                                         "test-server/test-server-echogen.c")
 864                         endif()
 865                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 866                                 AND LWS_WITH_LIBUV)
 867                                 create_test_app(test-server-libuv
 868                                         "test-server/test-server-libuv.c"
 869                                         "test-server/test-server-http.c"
 870                                         "test-server/test-server-dumb-increment.c"
 871                                         "test-server/test-server-mirror.c"
 872                                         "test-server/test-server-status.c"
 873                                         "test-server/test-server-echogen.c")
 874                         endif()
 875                 endif()
 876
 877                 #
 878                 # test-server-extpoll
 879                 #
 880                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
 881                         create_test_app(test-server-extpoll "test-server/test-server.c"
 882                                 "test-server/test-server-http.c"
 883                                 "test-server/test-server-dumb-increment.c"
 884                                 "test-server/test-server-mirror.c"
 885                                 "test-server/test-server-status.c"
 886                                 "test-server/test-server-echogen.c")
 887                         # Set defines for this executable only.
 888                         set_property(
 889                                 TARGET test-server-extpoll
 890                                 PROPERTY COMPILE_DEFINITIONS
 891                                         EXTERNAL_POLL
 892                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 893                                 )
 894
 895                         # We need to link against winsock code.
 896                         if (WIN32)
 897                                 target_link_libraries(test-server-extpoll ws2_32.lib)
 898                         endif(WIN32)
 899                 endif()
 900
 901                 # Data files for running the test server.
 902                 set(TEST_SERVER_DATA
 903                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
 904                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
 905                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
 906                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
 907
 908                 # Generate self-signed SSL certs for the test-server.
 909                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
 910                         message("Generating SSL Certificates for the test-server...")
 911
 912                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
 913                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
 914
 915                         if (WIN32)
 916                                 if (MINGW)
 917                                         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 \"${TEST_SERVER_SSL_CERT}\"")
 918                                         execute_process(
 919                                                 COMMAND "${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}"
 920                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
 921                                 else()
 922                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
 923                                                 "GB\n"
 924                                                 "Erewhon\n"
 925                                                 "All around\n"
 926                                                 "libwebsockets-test\n"
 927                                                 "localhost\n"
 928                                                 "none@invalid.org\n\n"
 929                                                 )
 930
 931                                         # The "type" command is a bit picky with paths.
 932                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
 933                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
 934                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
 935
 936                                         execute_process(
 937                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
 938                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 939                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
 940                                                 OUTPUT_QUIET ERROR_QUIET)
 941
 942                                         message("\n")
 943                                 endif()
 944
 945                                 if (OPENSSL_RETURN_CODE)
 946                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 947                                 else()
 948                                         message("SUCCSESFULLY generated SSL certificate")
 949                                 endif()
 950                         else()
 951                                 # Unix.
 952                                 execute_process(
 953                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
 954                                         COMMAND "${OPENSSL_EXECUTABLE}"
 955                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 956                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
 957                                         OUTPUT_QUIET ERROR_QUIET)
 958
 959                                 if (OPENSSL_RETURN_CODE)
 960                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 961                                 else()
 962                                         message("SUCCESSFULLY generated SSL certificate")
 963                                 endif()
 964                         endif()
 965
 966                         list(APPEND TEST_SERVER_DATA
 967                                 "${TEST_SERVER_SSL_KEY}"
 968                                 "${TEST_SERVER_SSL_CERT}")
 969                 endif()
 970
 971                 add_custom_command(TARGET test-server
 972                                                 POST_BUILD
 973                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
 974
 975                 # Copy the file needed to run the server so that the test apps can
 976                 # reach them from their default output location
 977                 foreach (TEST_FILE ${TEST_SERVER_DATA})
 978                         if (EXISTS ${TEST_FILE})
 979                                 add_custom_command(TARGET test-server
 980                                                         POST_BUILD
 981                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
 982                         endif()
 983                 endforeach()
 984         endif(NOT LWS_WITHOUT_SERVER)
 985
 986         if (NOT LWS_WITHOUT_CLIENT)
 987                 #
 988                 # test-client
 989                 #
 990                 if (NOT LWS_WITHOUT_TEST_CLIENT)
 991                         create_test_app(test-client "test-server/test-client.c" "" "" "" "" "")
 992                 endif()
 993
 994                 #
 995                 # test-fraggle
 996                 #
 997                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
 998                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "" "" "")
 999                 endif()
1000
1001                 #
1002                 # test-ping
1003                 #
1004                 if (NOT LWS_WITHOUT_TEST_PING)
1005                         create_test_app(test-ping "test-server/test-ping.c" "" "" "" "" "")
1006                 endif()
1007                 #
1008                 # test-echo
1009                 #
1010                 if (NOT LWS_WITHOUT_TEST_ECHO)
1011                         create_test_app(test-echo "test-server/test-echo.c" "" "" "" "" "")
1012                 endif()
1013
1014         endif(NOT LWS_WITHOUT_CLIENT)
1015
1016         #
1017         # Copy OpenSSL dlls to the output directory on Windows.
1018         # (Otherwise we'll get an error when trying to run)
1019         #
1020         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
1021                 if(OPENSSL_BIN_FOUND)
1022                         message("OpenSSL dlls found:")
1023                         message("  Libeay: ${LIBEAY_BIN}")
1024                         message("  SSLeay: ${SSLEAY_BIN}")
1025
1026                         foreach(TARGET_BIN ${TEST_APP_LIST})
1027                                 add_custom_command(TARGET ${TARGET_BIN}
1028                                         POST_BUILD
1029                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1030                                 add_custom_command(TARGET ${TARGET_BIN}
1031                                         POST_BUILD
1032                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1033                         endforeach()
1034                 endif()
1035         endif()
1036 endif(NOT LWS_WITHOUT_TESTAPPS)
1037
1038 if (UNIX)
1039         # Generate documentation.
1040         # TODO: Fix this on Windows.
1041         message("Generating API documentation")
1042         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
1043         list(SORT C_FILES)
1044         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
1045
1046         execute_process(
1047                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
1048                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
1049                 ERROR_QUIET)
1050
1051         execute_process(
1052                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
1053                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
1054                 ERROR_QUIET)
1055
1056 # Generate and install pkgconfig.
1057 # (This is not indented, because the tabs will be part of the output)
1058 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1059 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
1060 exec_prefix=\${prefix}
1061 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
1062 includedir=\${prefix}/include
1063
1064 Name: libwebsockets
1065 Description: Websockets server and client library
1066 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
1067
1068 Libs: -L\${libdir} -lwebsockets
1069 Cflags: -I\${includedir}"
1070 )
1071
1072         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1073                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
1074 endif(UNIX)
1075
1076 #
1077 # Installation preparations.
1078 #
1079
1080 if(WIN32 AND NOT CYGWIN)
1081   set(DEF_INSTALL_CMAKE_DIR cmake)
1082 else()
1083   set(DEF_INSTALL_CMAKE_DIR lib${LIB_SUFFIX}/cmake/libwebsockets)
1084 endif()
1085
1086 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
1087
1088 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
1089 export(TARGETS ${LWS_LIBRARIES}
1090         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
1091 export(PACKAGE libwebsockets)
1092
1093 # Generate the config file for the build-tree.
1094 set(LWS__INCLUDE_DIRS
1095     "${PROJECT_SOURCE_DIR}/lib"
1096     "${PROJECT_BINARY_DIR}")
1097 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
1098 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1099                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
1100                 @ONLY)
1101
1102 # Generate the config file for the installation tree.
1103 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1104 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1105 file(RELATIVE_PATH
1106     REL_INCLUDE_DIR
1107     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1108     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1109
1110 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1111 # we escape it here so it's evaluated when it is included instead
1112 # so that the include dirs are given relative to where the
1113 # config file is located.
1114 set(LWS__INCLUDE_DIRS
1115     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1116 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1117                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1118                 @ONLY)
1119
1120 # Generate version info for both build-tree and install-tree.
1121 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1122                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1123                 @ONLY)
1124
1125                         set_target_properties(${LWS_LIBRARIES}
1126                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1127
1128 #
1129 # Installation.
1130 #
1131
1132 # Install libs and headers.
1133 install(TARGETS ${LWS_LIBRARIES}
1134                 EXPORT LibwebsocketsTargets
1135                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1136                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1137                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1138                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1139 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1140 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1141
1142 # Install test apps.
1143 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1144         install(TARGETS test-client ${TEST_APP_LIST}
1145                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1146                         COMPONENT examples)
1147         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1148 endif()
1149
1150 # Programs shared files used by the test-server.
1151 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1152         install(FILES ${TEST_SERVER_DATA}
1153                         DESTINATION share/libwebsockets-test-server
1154                         COMPONENT examples)
1155 endif()
1156
1157 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1158 install(FILES
1159                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1160                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1161                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1162
1163 # build subdir is not part of sources
1164 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1165
1166 # Most people are more used to "make dist" compared to "make package_source"
1167 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1168
1169 include(UseRPMTools)
1170 if (RPMTools_FOUND)
1171         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1172 endif()
1173
1174 message("---------------------------------------------------------------------")
1175 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1176 message("---------------------------------------------------------------------")
1177 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1178 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1179 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1180 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1181 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1182 if (LWS_USE_WOLFSSL)
1183         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1184         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1185 endif()
1186 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1187 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1188 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1189 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1190 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1191 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1192 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1193 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1194 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1195 message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
1196 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1197 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1198 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1199 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1200 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1201 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1202 message(" LWS_USE_LIBUV = ${LWS_USE_LIBUV}")
1203 message(" LWS_IPV6 = ${LWS_IPV6}")
1204 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1205 message(" LWS_MBED3 = ${LWS_MBED3}")
1206 message(" LWS_SSL_SERVER_WITH_ECDH_CERT = ${LWS_SSL_SERVER_WITH_ECDH_CERT}")
1207 message(" LWS_MAX_SMP = ${LWS_MAX_SMP}")
1208 message("---------------------------------------------------------------------")
1209
1210 # These will be available to parent projects including libwebsockets using add_subdirectory()
1211 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1212 if (LWS_WITH_STATIC)
1213         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1214 endif()
1215 if (LWS_WITH_SHARED)
1216         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1217 endif()
1218
1219 # This must always be last!
1220 include(CPack)