CMakeLists.txt

   1 cmake_minimum_required(VERSION 2.8)
   2
   3 if(NOT DEFINED CMAKE_BUILD_TYPE)
   4         set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
   5 endif()
   6
   7 project(libwebsockets C)
   8
   9 set(PACKAGE "libwebsockets")
  10 set(CPACK_PACKAGE_NAME "${PACKAGE}")
  11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
  12 set(CPACK_PACKAGE_VERSION_MINOR "7")
  13 set(CPACK_PACKAGE_VERSION_PATCH "0")
  14 set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
  15 set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
  16 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
  17 set(SOVERSION "7")
  18 set(CPACK_SOURCE_GENERATOR "TGZ")
  19 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
  20 set(VERSION "${CPACK_PACKAGE_VERSION}")
  21
  22 set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
  23 set(LWS_LIBRARY_VERSION_MAJOR ${CPACK_PACKAGE_VERSION_MAJOR})
  24 set(LWS_LIBRARY_VERSION_MINOR ${CPACK_PACKAGE_VERSION_MINOR})
  25 set(LWS_LIBRARY_VERSION_PATCH ${CPACK_PACKAGE_VERSION_PATCH})
  26
  27 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
  28
  29 message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
  30
  31 # Try to find the current Git hash.
  32 find_package(Git)
  33 if(GIT_EXECUTABLE)
  34         execute_process(
  35     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  36     COMMAND "${GIT_EXECUTABLE}" describe
  37     OUTPUT_VARIABLE GIT_HASH
  38     OUTPUT_STRIP_TRAILING_WHITESPACE
  39     )
  40         execute_process(
  41     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  42     COMMAND "whoami"
  43     OUTPUT_VARIABLE GIT_USER
  44     OUTPUT_STRIP_TRAILING_WHITESPACE
  45     )
  46         execute_process(
  47     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  48     COMMAND "hostname"
  49     OUTPUT_VARIABLE GIT_HOST
  50     OUTPUT_STRIP_TRAILING_WHITESPACE
  51     )
  52     set(LWS_BUILD_HASH ${GIT_USER}@${GIT_HOST}-${GIT_HASH})
  53     message("Git commit hash: ${LWS_BUILD_HASH}")
  54 endif()
  55
  56 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
  57 if(WIN32)
  58         set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
  59 endif()
  60
  61 option(LWS_WITH_STATIC "Build the static version of the library" ON)
  62 option(LWS_WITH_SHARED "Build the shared version of the library" ON)
  63 option(LWS_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
  64 option(LWS_USE_CYASSL "Use CyaSSL replacement for OpenSSL. When setting this, you also need to specify LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS" OFF)
  65 option(LWS_USE_WOLFSSL "Use wolfSSL replacement for OpenSSL. When setting this, you also need to specify LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS" OFF)
  66 option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
  67 option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
  68 option(LWS_WITH_LIBUV "Compile with support for libuv" OFF)
  69 option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
  70 option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
  71 option(LWS_WITHOUT_BUILTIN_GETIFADDRS "Don't use the BSD getifaddrs implementation from libwebsockets if it is missing (this will result in a compilation error) ... The default is to assume that your libc provides it. On some systems such as uclibc it doesn't exist." OFF)
  72 option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
  73 option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
  74 option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
  75 option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
  76 option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
  77 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
  78 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
  79 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
  80 option(LWS_WITHOUT_TEST_ECHO "Don't build the echo test application" OFF)
  81 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
  82 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
  83 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
  84 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
  85 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
  86 option(LWS_IPV6 "Compile with support for ipv6" OFF)
  87 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
  88 option(LWS_MBED3 "Platform is MBED3" OFF)
  89 option(LWS_SSL_SERVER_WITH_ECDH_CERT "Include SSL server use ECDH certificate" OFF)
  90 option(LWS_WITH_CGI "Include CGI (spawn process with network-connected stdin/out/err) APIs" OFF)
  91 option(LWS_WITH_HTTP_PROXY "Support for rewriting HTTP proxying" OFF)
  92 option(LWS_WITH_LWSWS "Libwebsockets Webserver" ON)
  93
  94 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  95
  96 set(LWS_WITH_SHARED OFF)
  97 set(LWS_WITH_SSL OFF)
  98 set(LWS_WITH_ZLIB OFF)
  99 set(LWS_WITHOUT_CLIENT ON)
 100 set(LWS_WITHOUT_TESTAPPS ON)
 101 set(LWS_WITHOUT_EXTENSIONS ON)
 102 set(LWS_MBED3 ON)
 103 # this implies no pthreads in the lib
 104 set(LWS_MAX_SMP 1)
 105
 106 endif()
 107
 108 if (WIN32)
 109 # this implies no pthreads in the lib
 110 set(LWS_MAX_SMP 1)
 111 endif()
 112
 113
 114 if (LWS_WITHOUT_SERVER)
 115 set(LWS_WITH_LWSWS OFF)
 116 endif()
 117
 118 if (LWS_WITH_HTTP_PROXY AND (LWS_WITHOUT_CLIENT OR LWS_WITHOUT_SERVER))
 119         message(FATAL_ERROR "You have to enable both client and server for http proxy")
 120 endif()
 121
 122 # Allow the user to override installation directories.
 123 set(LWS_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
 124 set(LWS_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
 125 set(LWS_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")
 126 set(LWS_INSTALL_EXAMPLES_DIR  bin CACHE PATH "Installation directory for example files")
 127
 128 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
 129 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
 130         message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
 131 endif()
 132 if (LWS_USE_CYASSL)
 133         # Copy CyaSSL options to the wolfSSL options
 134         set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
 135         set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
 136         set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
 137 endif()
 138
 139 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
 140         message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
 141 endif()
 142
 143 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
 144         message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
 145 endif()
 146
 147 if (NOT LWS_WITHOUT_EXTENSIONS)
 148         if (NOT LWS_WITH_ZLIB)
 149                 message(FATAL_ERROR "zlib is required for extensions.")
 150         endif()
 151 endif()
 152
 153 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
 154 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
 155 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
 156 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
 157 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
 158 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
 159 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
 160 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
 161 set(LWS_LIBUV_LIBRARIES CACHE PATH "Path to the libuv library")
 162 set(LWS_LIBUV_INCLUDE_DIRS CACHE PATH "Path to the libuv include directory")
 163
 164 if (NOT LWS_WITH_SSL)
 165         set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
 166 endif()
 167
 168 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 169         if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
 170         else()
 171                 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
 172                 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
 173                 set(OPENSSL_FOUND 1)
 174         endif()
 175 endif()
 176
 177 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
 178         if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
 179                 if (NOT WOLFSSL_FOUND)
 180                         if (LWS_USE_CYASSL)
 181                                 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
 182                         else()
 183                                 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
 184                         endif()
 185                 endif()
 186         else()
 187                 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
 188                 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
 189                 set(WOLFSSL_FOUND 1)
 190         endif()
 191         set(USE_WOLFSSL 1)
 192         if (LWS_USE_CYASSL)
 193                 set(USE_OLD_CYASSL 1)
 194         endif()
 195 endif()
 196
 197 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 198         if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
 199         else()
 200                 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
 201                 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
 202                 set(ZLIB_FOUND 1)
 203         endif()
 204 endif()
 205
 206 if (LWS_WITH_LIBEV)
 207         if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
 208         else()
 209                 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
 210                 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
 211                 set(LIBEV_FOUND 1)
 212         endif()
 213 endif()
 214
 215 if (LWS_WITH_LIBUV)
 216         if ("${LWS_LIBUV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBUV_INCLUDE_DIRS}" STREQUAL "")
 217         else()
 218                 set(LIBUV_LIBRARIES ${LWS_LIBUV_LIBRARIES})
 219                 set(LIBUV_INCLUDE_DIRS ${LWS_LIBUV_INCLUDE_DIRS})
 220                 set(LIBUV_FOUND 1)
 221         endif()
 222 endif()
 223
 224
 225 # FIXME: This must be runtime-only option.
 226 # The base dir where the test-apps look for the SSL certs.
 227 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
 228 if (WIN32)
 229         set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
 230
 231         if (LWS_IPV6)
 232                 set(LWS_IPV6 OFF)
 233                 message(WARNING "IPv6 does not currently work on Windows!")
 234         endif()
 235 else()
 236         set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
 237 endif()
 238
 239 if (LWS_WITHOUT_EXTENSIONS)
 240         set(LWS_NO_EXTENSIONS 1)
 241 endif()
 242
 243 if (LWS_WITH_SSL)
 244         set(LWS_OPENSSL_SUPPORT 1)
 245 endif()
 246
 247 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
 248         set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
 249 endif()
 250
 251 if (LWS_WITH_LATENCY)
 252         set(LWS_LATENCY 1)
 253 endif()
 254
 255 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
 256         set(LWS_NO_DAEMONIZE 1)
 257 endif()
 258
 259 if (LWS_WITHOUT_SERVER)
 260         set(LWS_NO_SERVER 1)
 261 endif()
 262
 263 if (LWS_WITHOUT_CLIENT)
 264         set(LWS_NO_CLIENT 1)
 265 endif()
 266
 267 if (LWS_WITH_LIBEV)
 268         set(LWS_USE_LIBEV 1)
 269 endif()
 270
 271 if (LWS_WITH_LIBUV)
 272         set(LWS_USE_LIBUV 1)
 273 endif()
 274
 275 if (LWS_IPV6)
 276         set(LWS_USE_IPV6 1)
 277 endif()
 278
 279 if (LWS_WITH_HTTP2)
 280         set(LWS_USE_HTTP2 1)
 281 endif()
 282
 283 if ("${LWS_MAX_SMP}" STREQUAL "")
 284         set(LWS_MAX_SMP 32)
 285 endif()
 286
 287
 288 #if (LWS_MBED3)
 289 #       set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
 290 #endif()
 291
 292 if (MINGW)
 293         set(LWS_MINGW_SUPPORT 1)
 294         set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
 295 endif()
 296
 297 if (LWS_SSL_SERVER_WITH_ECDH_CERT)
 298         set(LWS_SSL_SERVER_WITH_ECDH_CERT 1)
 299 endif()
 300
 301 include_directories("${PROJECT_BINARY_DIR}")
 302
 303 include(CheckCSourceCompiles)
 304
 305 # Check for different inline keyword versions.
 306 foreach(KEYWORD "inline" "__inline__" "__inline")
 307         set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
 308         CHECK_C_SOURCE_COMPILES(
 309                 "
 310                 #include <stdio.h>
 311                 static KEYWORD void a() {}
 312                 int main(int argc, char **argv) { a(); return 0; }
 313                 " LWS_HAVE_${KEYWORD})
 314 endforeach()
 315
 316 if (NOT LWS_HAVE_inline)
 317         if (LWS_HAVE___inline__)
 318                 set(inline __inline__)
 319         elseif(LWS_HAVE___inline)
 320                 set(inline __inline)
 321         endif()
 322 endif()
 323
 324 # Put the libaries and binaries that get built into directories at the
 325 # top of the build tree rather than in hard-to-find leaf directories.
 326 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
 327 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 328 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 329
 330 # Put absolute path of dynamic libraries into the object code. Some
 331 # architectures, notably Mac OS X, need this.
 332 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
 333
 334 include(CheckFunctionExists)
 335 include(CheckIncludeFile)
 336 include(CheckIncludeFiles)
 337 include(CheckLibraryExists)
 338 include(CheckTypeSize)
 339
 340 if (LWS_WITHOUT_BUILTIN_SHA1)
 341         set(LWS_SHA1_USE_OPENSSL_NAME 1)
 342 endif()
 343
 344 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
 345 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
 346 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
 347 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
 348 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
 349 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
 350 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
 351 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
 352 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
 353 CHECK_FUNCTION_EXISTS(execvpe LWS_HAVE_EXECVPE)
 354 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
 355 CHECK_FUNCTION_EXISTS(snprintf LWS_HAVE_SNPRINTF)
 356 CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)
 357 CHECK_FUNCTION_EXISTS(_vsnprintf LWS_HAVE__VSNPRINTF)
 358
 359 if (NOT LWS_HAVE_GETIFADDRS)
 360         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
 361                 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.")
 362         endif()
 363         set(LWS_BUILTIN_GETIFADDRS 1)
 364 endif()
 365
 366 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
 367 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
 368 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
 369 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
 370 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
 371 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
 372 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
 373 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
 374 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
 375 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
 376 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
 377 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
 378 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
 379 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
 380 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
 381 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
 382
 383 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 384         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
 385 endif()
 386
 387 # TODO: These can also be tested to see whether they actually work...
 388 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
 389 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
 390
 391 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 392
 393 # These don't work Cross...
 394 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
 395 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
 396 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
 397
 398 if (NOT PID_T_SIZE)
 399         set(pid_t int)
 400 endif()
 401
 402 if (NOT SIZE_T_SIZE)
 403         set(size_t "unsigned int")
 404 endif()
 405
 406 if (NOT LWS_HAVE_MALLOC)
 407         set(malloc rpl_malloc)
 408 endif()
 409
 410 if (NOT LWS_HAVE_REALLOC)
 411         set(realloc rpl_realloc)
 412 endif()
 413
 414 # Generate the lws_config.h that includes all the public compilation settings.
 415 configure_file(
 416        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
 417        "${PROJECT_BINARY_DIR}/lws_config.h")
 418
 419 # Generate the lws_config.h that includes all the private compilation settings.
 420 configure_file(
 421        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
 422        "${PROJECT_BINARY_DIR}/lws_config_private.h")
 423
 424 if (MSVC)
 425         # Turn off stupid microsoft security warnings.
 426         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 427 endif(MSVC)
 428
 429 include_directories("${PROJECT_SOURCE_DIR}/lib")
 430
 431 # Group headers and sources.
 432 # Some IDEs use this for nicer file structure.
 433 set(HDR_PRIVATE
 434         lib/private-libwebsockets.h)
 435
 436 set(HDR_PUBLIC
 437         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
 438         "${PROJECT_BINARY_DIR}/lws_config.h")
 439
 440 set(SOURCES
 441         lib/base64-decode.c
 442         lib/handshake.c
 443         lib/libwebsockets.c
 444         lib/service.c
 445         lib/pollfd.c
 446         lib/output.c
 447         lib/parsers.c
 448         lib/context.c
 449         lib/alloc.c
 450         lib/header.c)
 451
 452 if (NOT LWS_WITHOUT_CLIENT)
 453         list(APPEND SOURCES
 454                 lib/client.c
 455                 lib/client-handshake.c
 456                 lib/client-parser.c)
 457 endif()
 458
 459 if (LWS_WITH_SSL)
 460         list(APPEND SOURCES
 461                 lib/ssl.c)
 462
 463         if (NOT LWS_WITHOUT_SERVER)
 464                 list(APPEND SOURCES
 465                 lib/ssl-server.c)
 466         endif()
 467         if (NOT LWS_WITHOUT_CLIENT)
 468                 list(APPEND SOURCES
 469                 lib/ssl-client.c)
 470         endif()
 471 endif()
 472
 473 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
 474         list(APPEND SOURCES
 475                 lib/sha-1.c)
 476 endif()
 477
 478 if (LWS_WITH_HTTP2)
 479         list(APPEND SOURCES
 480                 lib/http2.c
 481                 lib/hpack.c
 482                 lib/ssl-http2.c)
 483 endif()
 484 # select the active platform files
 485
 486 if (WIN32)
 487         list(APPEND SOURCES
 488                 lib/lws-plat-win.c)
 489 else()
 490         if (LWS_MBED3)
 491                 list(APPEND SOURCES
 492                         lib/lws-plat-mbed3.cpp
 493                         lib/lws-plat-mbed3.c)
 494         else()
 495                 list(APPEND SOURCES
 496                         lib/lws-plat-unix.c)
 497         endif()
 498 endif()
 499
 500 if (NOT LWS_WITHOUT_SERVER)
 501         list(APPEND SOURCES
 502                 lib/server.c
 503                 lib/server-handshake.c)
 504 endif()
 505
 506 if (NOT LWS_WITHOUT_EXTENSIONS)
 507         list(APPEND HDR_PRIVATE
 508                 lib/extension-permessage-deflate.h)
 509         list(APPEND SOURCES
 510                 lib/extension.c
 511                 lib/extension-permessage-deflate.c)
 512 endif()
 513
 514 if (LWS_WITH_HTTP_PROXY)
 515         list(APPEND SOURCES
 516                 lib/rewrite.c)
 517 endif()
 518
 519 if (LWS_WITH_LIBEV)
 520         list(APPEND SOURCES
 521                 lib/libev.c)
 522 endif()
 523
 524 if (LWS_WITH_LIBUV)
 525         list(APPEND SOURCES
 526                 lib/libuv.c)
 527 endif()
 528
 529 # Add helper files for Windows.
 530 if (WIN32)
 531         set(WIN32_HELPERS_PATH win32port/win32helpers)
 532         include_directories(${WIN32_HELPERS_PATH})
 533 else()
 534         # Unix.
 535         if (NOT LWS_WITHOUT_DAEMONIZE)
 536                 list(APPEND SOURCES
 537                         lib/daemonize.c)
 538         endif()
 539 endif()
 540
 541 if (UNIX)
 542         if (NOT LWS_HAVE_GETIFADDRS)
 543                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 544                 list(APPEND SOURCES lib/getifaddrs.c)
 545         endif()
 546 endif()
 547
 548 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 549     include (CheckCCompilerFlag)
 550     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
 551     if (LWS_HAVE_VISIBILITY)
 552                 set(VISIBILITY_FLAG -fvisibility=hidden)
 553     endif()
 554     if (UNIX)
 555                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 556     else(UNIX)
 557                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 558     endif(UNIX)
 559 endif ()
 560
 561 if ((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT LWS_WITHOUT_TESTAPPS)
 562     if (UNIX)
 563         # jeez clang understands -pthread but dies if he sees it at link time!
 564         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
 565         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
 566     endif()
 567 endif()
 568
 569 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 570         # otherwise osx blows a bunch of openssl deprecated api errors
 571         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
 572 endif()
 573
 574 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 575 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 576 source_group("Sources"          FILES ${SOURCES})
 577
 578 #
 579 # Create the lib.
 580 #
 581 set(LWS_LIBRARIES)
 582
 583 if (LWS_WITH_STATIC)
 584         add_library(websockets STATIC
 585                                 ${HDR_PRIVATE}
 586                                 ${HDR_PUBLIC}
 587                                 ${SOURCES})
 588         list(APPEND LWS_LIBRARIES websockets)
 589
 590         if (WIN32)
 591                 # Windows uses the same .lib ending for static libraries and shared
 592                 # library linker files, so rename the static library.
 593                 set_target_properties(websockets
 594                         PROPERTIES
 595                         OUTPUT_NAME websockets_static)
 596         endif()
 597 endif()
 598
 599 if (LWS_WITH_SHARED)
 600         add_library(websockets_shared SHARED
 601                                 ${HDR_PRIVATE}
 602                                 ${HDR_PUBLIC}
 603                                 ${SOURCES})
 604         list(APPEND LWS_LIBRARIES websockets_shared)
 605
 606         # We want the shared lib to be named "libwebsockets"
 607         # not "libwebsocket_shared".
 608         set_target_properties(websockets_shared
 609                 PROPERTIES
 610                 OUTPUT_NAME websockets)
 611
 612         if (WIN32)
 613                 # Compile as DLL (export function declarations)
 614                 set_property(
 615                         TARGET websockets_shared
 616                         PROPERTY COMPILE_DEFINITIONS
 617                         LWS_DLL
 618                         LWS_INTERNAL)
 619         endif()
 620
 621         if (APPLE)
 622                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
 623         endif()
 624 endif()
 625
 626 # Set the so version of the lib.
 627 # Equivalent to LDFLAGS=-version-info x:x:x
 628 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 629         foreach(lib ${LWS_LIBRARIES})
 630                 set_target_properties(${lib}
 631                         PROPERTIES
 632                         SOVERSION ${SOVERSION})
 633         endforeach()
 634 endif()
 635
 636 set(LIB_LIST)
 637
 638 #
 639 # Find libraries.
 640 #
 641
 642 #
 643 # ZLIB (Only needed for deflate extensions).
 644 #
 645 if (LWS_WITH_ZLIB)
 646         if (LWS_USE_BUNDLED_ZLIB)
 647                 if (WIN32)
 648                         set(WIN32_ZLIB_PATH "win32port/zlib")
 649                         set(ZLIB_SRCS
 650                                 ${WIN32_ZLIB_PATH}/adler32.c
 651                                 ${WIN32_ZLIB_PATH}/compress.c
 652                                 ${WIN32_ZLIB_PATH}/crc32.c
 653                                 ${WIN32_ZLIB_PATH}/deflate.c
 654                                 ${WIN32_ZLIB_PATH}/gzclose.c
 655                                 ${WIN32_ZLIB_PATH}/gzio.c
 656                                 ${WIN32_ZLIB_PATH}/gzlib.c
 657                                 ${WIN32_ZLIB_PATH}/gzread.c
 658                                 ${WIN32_ZLIB_PATH}/gzwrite.c
 659                                 ${WIN32_ZLIB_PATH}/infback.c
 660                                 ${WIN32_ZLIB_PATH}/inffast.c
 661                                 ${WIN32_ZLIB_PATH}/inflate.c
 662                                 ${WIN32_ZLIB_PATH}/inftrees.c
 663                                 ${WIN32_ZLIB_PATH}/trees.c
 664                                 ${WIN32_ZLIB_PATH}/uncompr.c
 665                                 ${WIN32_ZLIB_PATH}/zutil.c)
 666                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
 667                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 668                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
 669                         set(ZLIB_FOUND 1)
 670                         # Make sure zlib_internal is compiled before the libs.
 671                         foreach (lib ${LWS_LIBRARIES})
 672                                 add_dependencies(${lib} zlib_internal)
 673                         endforeach()
 674                 else()
 675                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
 676                 endif()
 677         elseif (NOT ZLIB_FOUND)
 678                 find_package(ZLIB REQUIRED)
 679         endif()
 680         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
 681         message("zlib libraries: ${ZLIB_LIBRARIES}")
 682         include_directories(${ZLIB_INCLUDE_DIRS})
 683         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
 684 endif()
 685
 686 #
 687 # OpenSSL
 688 #
 689 if (LWS_WITH_SSL)
 690         message("Compiling with SSL support")
 691
 692         if (LWS_USE_WOLFSSL)
 693                 # Use wolfSSL as OpenSSL replacement.
 694                 # TODO: Add a find_package command for this also.
 695                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
 696                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
 697
 698                 # Additional to the root directory we need to include
 699                 # the wolfssl/ subdirectory which contains the OpenSSL
 700                 # compatibility layer headers.
 701
 702                 if (LWS_USE_CYASSL)
 703                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 704                                 include_directories("${inc}" "${inc}/cyassl")
 705                         endforeach()
 706                 else()
 707                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 708                                 include_directories("${inc}" "${inc}/wolfssl")
 709                         endforeach()
 710                 endif()
 711
 712                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
 713         else()
 714                 if (NOT OPENSSL_FOUND)
 715                         # TODO: Add support for STATIC also.
 716                         find_package(OpenSSL REQUIRED)
 717                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
 718                 endif()
 719
 720                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
 721                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 722
 723                 include_directories("${OPENSSL_INCLUDE_DIRS}")
 724                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
 725         endif()
 726
 727         # older (0.98) Openssl lacks this
 728         set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIRS})
 729         check_include_file(openssl/ecdh.h LWS_HAVE_OPENSSL_ECDH_H)
 730
 731         if (LWS_SSL_SERVER_WITH_ECDH_CERT AND NOT LWS_HAVE_OPENSSL_ECDH_H)
 732                 message(FATAL_ERROR "Missing openssl/ecdh.h, so cannot use LWS_SSL_SERVER_WITH_ECDH_CERT")
 733         endif()
 734
 735 endif(LWS_WITH_SSL)
 736
 737 if (LWS_WITH_LIBEV)
 738         if (NOT LIBEV_FOUND)
 739                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
 740                 find_library(LIBEV_LIBRARIES NAMES ev)
 741                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
 742                         set(LIBEV_FOUND 1)
 743                 endif()
 744         endif()
 745         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
 746         message("libev libraries: ${LIBEV_LIBRARIES}")
 747         include_directories("${LIBEV_INCLUDE_DIRS}")
 748         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
 749 endif(LWS_WITH_LIBEV)
 750
 751 if (LWS_WITH_LIBUV)
 752         if (NOT LIBUV_FOUND)
 753                 find_path(LIBUV_INCLUDE_DIRS NAMES uv.h)
 754                 find_library(LIBUV_LIBRARIES NAMES uv)
 755                 if(LIBUV_INCLUDE_DIRS AND LIBUV_LIBRARIES)
 756                         set(LIBUV_FOUND 1)
 757                 endif()
 758         endif()
 759         message("libuv include dir: ${LIBUV_INCLUDE_DIRS}")
 760         message("libuv libraries: ${LIBUV_LIBRARIES}")
 761         include_directories("${LIBUV_INCLUDE_DIRS}")
 762         list(APPEND LIB_LIST ${LIBUV_LIBRARIES})
 763 endif()
 764 if (LWS_WITH_HTTP_PROXY)
 765         find_library(LIBHUBBUB_LIBRARIES NAMES libhubbub)
 766         list(APPEND LIB_LIST ${LIBHUBBUB_LIBRARIES} )
 767 endif()
 768
 769
 770 #
 771 # Platform specific libs.
 772 #
 773 if (WINCE)
 774         list(APPEND LIB_LIST ws2.lib)
 775 elseif (WIN32)
 776         list(APPEND LIB_LIST ws2_32.lib)
 777 endif()
 778
 779 if (UNIX)
 780         list(APPEND LIB_LIST m)
 781 endif()
 782
 783 # Setup the linking for all libs.
 784 foreach (lib ${LWS_LIBRARIES})
 785         target_link_libraries(${lib} ${LIB_LIST})
 786 endforeach()
 787
 788 #
 789 # Test applications
 790 #
 791 set(TEST_APP_LIST)
 792 if (NOT LWS_WITHOUT_TESTAPPS)
 793         #
 794         # Helper function for adding a test app.
 795         #
 796         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4 S5 S6)
 797
 798                 set(TEST_SRCS ${MAIN_SRC})
 799                 set(TEST_HDR)
 800                 if ("${S2}" STREQUAL "")
 801                 else()
 802                         list(APPEND TEST_SRCS ${S2})
 803                 endif()
 804                 if ("${S3}" STREQUAL "")
 805                 else()
 806                         list(APPEND TEST_SRCS ${S3})
 807                 endif()
 808                 if ("${S4}" STREQUAL "")
 809                 else()
 810                         list(APPEND TEST_SRCS ${S4})
 811                 endif()
 812                 if ("${S5}" STREQUAL "")
 813                 else()
 814                         list(APPEND TEST_SRCS ${S5})
 815                 endif()
 816                 if ("${S6}" STREQUAL "")
 817                 else()
 818                         list(APPEND TEST_SRCS ${S6})
 819                 endif()
 820                 if (WIN32)
 821                         list(APPEND TEST_SRCS
 822                                 ${WIN32_HELPERS_PATH}/getopt.c
 823                                 ${WIN32_HELPERS_PATH}/getopt_long.c
 824                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 825                         )
 826
 827                         list(APPEND TEST_HDR
 828                                 ${WIN32_HELPERS_PATH}/getopt.h
 829                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 830                         )
 831                 endif(WIN32)
 832
 833                 source_group("Headers Private"   FILES ${TEST_HDR})
 834                 source_group("Sources"   FILES ${TEST_SRCS})
 835                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 836
 837                 if (LWS_LINK_TESTAPPS_DYNAMIC)
 838                         if (NOT LWS_WITH_SHARED)
 839                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
 840                         endif()
 841                         target_link_libraries(${TEST_NAME} websockets_shared)
 842                         add_dependencies(${TEST_NAME} websockets_shared)
 843                 else()
 844                         if (NOT LWS_WITH_STATIC)
 845                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
 846                         endif()
 847                         target_link_libraries(${TEST_NAME} websockets)
 848                         add_dependencies(${TEST_NAME} websockets)
 849                 endif()
 850
 851                 # Set test app specific defines.
 852                 set_property(TARGET ${TEST_NAME}
 853                                         PROPERTY COMPILE_DEFINITIONS
 854                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 855                                         )
 856
 857                 # Prefix the binary names with libwebsockets.
 858                 set_target_properties(${TEST_NAME}
 859                         PROPERTIES
 860                         OUTPUT_NAME libwebsockets-${TEST_NAME})
 861
 862                 # Add to the list of tests.
 863                 list(APPEND TEST_APP_LIST ${TEST_NAME})
 864         endmacro()
 865
 866         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 867                 message("Searching for OpenSSL executable and dlls")
 868                 find_package(OpenSSLbins)
 869                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
 870         endif()
 871
 872         if (NOT LWS_WITHOUT_SERVER)
 873                 #
 874                 # test-server
 875                 #
 876                 if (NOT LWS_WITHOUT_TEST_SERVER)
 877                         create_test_app(test-server "test-server/test-server.c"
 878                                 "test-server/test-server-http.c"
 879                                 "test-server/test-server-dumb-increment.c"
 880                                 "test-server/test-server-mirror.c"
 881                                 "test-server/test-server-status.c"
 882                                 "test-server/test-server-echogen.c")
 883                         if (UNIX)
 884                                 create_test_app(test-fuzxy "test-server/fuzxy.c"
 885                                         ""
 886                                         ""
 887                                         ""
 888                                         ""
 889                                         "")
 890                         endif()
 891                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
 892                                 create_test_app(test-server-pthreads
 893                                         "test-server/test-server-pthreads.c"
 894                                         "test-server/test-server-http.c"
 895                                         "test-server/test-server-dumb-increment.c"
 896                                         "test-server/test-server-mirror.c"
 897                                         "test-server/test-server-status.c"
 898                                         "test-server/test-server-echogen.c")
 899                         endif()
 900                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 901                                 AND LWS_WITH_LIBEV)
 902                                 create_test_app(test-server-libev
 903                                         "test-server/test-server-libev.c"
 904                                         "test-server/test-server-http.c"
 905                                         "test-server/test-server-dumb-increment.c"
 906                                         "test-server/test-server-mirror.c"
 907                                         "test-server/test-server-status.c"
 908                                         "test-server/test-server-echogen.c")
 909                         endif()
 910                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 911                                 AND LWS_WITH_LIBUV)
 912                                 create_test_app(test-server-libuv
 913                                         "test-server/test-server-libuv.c"
 914                                         "test-server/test-server-http.c"
 915                                         "test-server/test-server-dumb-increment.c"
 916                                         "test-server/test-server-mirror.c"
 917                                         "test-server/test-server-status.c"
 918                                         "test-server/test-server-echogen.c")
 919                         endif()
 920                 endif()
 921
 922                 #
 923                 # test-server-extpoll
 924                 #
 925                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
 926                         create_test_app(test-server-extpoll "test-server/test-server.c"
 927                                 "test-server/test-server-http.c"
 928                                 "test-server/test-server-dumb-increment.c"
 929                                 "test-server/test-server-mirror.c"
 930                                 "test-server/test-server-status.c"
 931                                 "test-server/test-server-echogen.c")
 932                         # Set defines for this executable only.
 933                         set_property(
 934                                 TARGET test-server-extpoll
 935                                 PROPERTY COMPILE_DEFINITIONS
 936                                         EXTERNAL_POLL
 937                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 938                                 )
 939
 940                         # We need to link against winsock code.
 941                         if (WIN32)
 942                                 target_link_libraries(test-server-extpoll ws2_32.lib)
 943                         endif(WIN32)
 944                 endif()
 945
 946                 # Data files for running the test server.
 947                 set(TEST_SERVER_DATA
 948                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
 949                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
 950                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
 951                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
 952
 953                 # Generate self-signed SSL certs for the test-server.
 954                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
 955                         message("Generating SSL Certificates for the test-server...")
 956
 957                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
 958                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
 959
 960                         if (WIN32)
 961                                 if (MINGW)
 962                                         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 \"${TEST_SERVER_SSL_CERT}\"")
 963                                         execute_process(
 964                                                 COMMAND "${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}"
 965                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
 966                                 else()
 967                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
 968                                                 "GB\n"
 969                                                 "Erewhon\n"
 970                                                 "All around\n"
 971                                                 "libwebsockets-test\n"
 972                                                 "localhost\n"
 973                                                 "none@invalid.org\n\n"
 974                                                 )
 975
 976                                         # The "type" command is a bit picky with paths.
 977                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
 978                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
 979                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
 980
 981                                         execute_process(
 982                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
 983                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 984                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
 985                                                 OUTPUT_QUIET ERROR_QUIET)
 986
 987                                         message("\n")
 988                                 endif()
 989
 990                                 if (OPENSSL_RETURN_CODE)
 991                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 992                                 else()
 993                                         message("SUCCSESFULLY generated SSL certificate")
 994                                 endif()
 995                         else()
 996                                 # Unix.
 997                                 execute_process(
 998                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
 999                                         COMMAND "${OPENSSL_EXECUTABLE}"
1000                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
1001                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
1002                                         OUTPUT_QUIET ERROR_QUIET)
1003
1004                                 if (OPENSSL_RETURN_CODE)
1005                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
1006                                 else()
1007                                         message("SUCCESSFULLY generated SSL certificate")
1008                                 endif()
1009                         endif()
1010
1011                         list(APPEND TEST_SERVER_DATA
1012                                 "${TEST_SERVER_SSL_KEY}"
1013                                 "${TEST_SERVER_SSL_CERT}")
1014                 endif()
1015
1016                 add_custom_command(TARGET test-server
1017                                                 POST_BUILD
1018                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
1019
1020                 # Copy the file needed to run the server so that the test apps can
1021                 # reach them from their default output location
1022                 foreach (TEST_FILE ${TEST_SERVER_DATA})
1023                         if (EXISTS ${TEST_FILE})
1024                                 add_custom_command(TARGET test-server
1025                                                         POST_BUILD
1026                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
1027                         endif()
1028                 endforeach()
1029         endif(NOT LWS_WITHOUT_SERVER)
1030
1031         if (NOT LWS_WITHOUT_CLIENT)
1032                 #
1033                 # test-client
1034                 #
1035                 if (NOT LWS_WITHOUT_TEST_CLIENT)
1036                         create_test_app(test-client "test-server/test-client.c" "" "" "" "" "")
1037                 endif()
1038
1039                 #
1040                 # test-fraggle
1041                 #
1042                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
1043                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "" "" "")
1044                 endif()
1045
1046                 #
1047                 # test-ping
1048                 #
1049                 if (NOT LWS_WITHOUT_TEST_PING)
1050                         create_test_app(test-ping "test-server/test-ping.c" "" "" "" "" "")
1051                 endif()
1052                 #
1053                 # test-echo
1054                 #
1055                 if (NOT LWS_WITHOUT_TEST_ECHO)
1056                         create_test_app(test-echo "test-server/test-echo.c" "" "" "" "" "")
1057                 endif()
1058
1059         endif(NOT LWS_WITHOUT_CLIENT)
1060
1061         #
1062         # Copy OpenSSL dlls to the output directory on Windows.
1063         # (Otherwise we'll get an error when trying to run)
1064         #
1065         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
1066                 if(OPENSSL_BIN_FOUND)
1067                         message("OpenSSL dlls found:")
1068                         message("  Libeay: ${LIBEAY_BIN}")
1069                         message("  SSLeay: ${SSLEAY_BIN}")
1070
1071                         foreach(TARGET_BIN ${TEST_APP_LIST})
1072                                 add_custom_command(TARGET ${TARGET_BIN}
1073                                         POST_BUILD
1074                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1075                                 add_custom_command(TARGET ${TARGET_BIN}
1076                                         POST_BUILD
1077                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
1078                         endforeach()
1079                 endif()
1080         endif()
1081 endif(NOT LWS_WITHOUT_TESTAPPS)
1082
1083 if (LWS_WITH_LWSWS)
1084                 list(APPEND LWSWS_SRCS
1085                         "lwsws/main.c"
1086                         "lwsws/lejp.c"
1087                         "lwsws/conf.c"
1088                         "lwsws/http.c"
1089                 )
1090
1091                 if (WIN32)
1092                         list(APPEND LWSWS_SRCS
1093                                 ${WIN32_HELPERS_PATH}/getopt.c
1094                                 ${WIN32_HELPERS_PATH}/getopt_long.c
1095                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
1096                         )
1097
1098                         list(APPEND LWSWS_HDR
1099                                 ${WIN32_HELPERS_PATH}/getopt.h
1100                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
1101                         )
1102                 endif(WIN32)
1103
1104                 source_group("Headers Private"   FILES ${LWSWS_HDR})
1105                 source_group("Sources"   FILES ${LWSWS_SRCS})
1106                 add_executable("lwsws" ${LWSWS_SRCS} ${LWSWS_HDR})
1107
1108                 if (LWS_LINK_TESTAPPS_DYNAMIC)
1109                         if (NOT LWS_WITH_SHARED)
1110                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
1111                         endif()
1112                         target_link_libraries("lwsws" websockets_shared)
1113                         add_dependencies("lwsws" websockets_shared)
1114                 else()
1115                         if (NOT LWS_WITH_STATIC)
1116                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
1117                         endif()
1118                         target_link_libraries("lwsws" websockets)
1119                         add_dependencies("lwsws" websockets)
1120                 endif()
1121
1122                 # Set test app specific defines.
1123                 set_property(TARGET "lwsws"
1124                              PROPERTY COMPILE_DEFINITIONS
1125                              INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
1126                 )
1127
1128
1129 endif (LWS_WITH_LWSWS)
1130
1131 if (UNIX)
1132         # Generate documentation.
1133         # TODO: Fix this on Windows.
1134         message("Generating API documentation")
1135         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
1136         list(SORT C_FILES)
1137         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
1138
1139         execute_process(
1140                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
1141                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
1142                 ERROR_QUIET)
1143
1144         execute_process(
1145                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
1146                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
1147                 ERROR_QUIET)
1148
1149 # Generate and install pkgconfig.
1150 # (This is not indented, because the tabs will be part of the output)
1151 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1152 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
1153 exec_prefix=\${prefix}
1154 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
1155 includedir=\${prefix}/include
1156
1157 Name: libwebsockets
1158 Description: Websockets server and client library
1159 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
1160
1161 Libs: -L\${libdir} -lwebsockets
1162 Cflags: -I\${includedir}"
1163 )
1164
1165         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
1166                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
1167 endif(UNIX)
1168
1169 #
1170 # Installation preparations.
1171 #
1172
1173 if(WIN32 AND NOT CYGWIN)
1174   set(DEF_INSTALL_CMAKE_DIR cmake)
1175 else()
1176   set(DEF_INSTALL_CMAKE_DIR lib${LIB_SUFFIX}/cmake/libwebsockets)
1177 endif()
1178
1179 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
1180
1181 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
1182 export(TARGETS ${LWS_LIBRARIES}
1183         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
1184 export(PACKAGE libwebsockets)
1185
1186 # Generate the config file for the build-tree.
1187 set(LWS__INCLUDE_DIRS
1188     "${PROJECT_SOURCE_DIR}/lib"
1189     "${PROJECT_BINARY_DIR}")
1190 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
1191 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1192                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
1193                 @ONLY)
1194
1195 # Generate the config file for the installation tree.
1196 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1197 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1198 file(RELATIVE_PATH
1199     REL_INCLUDE_DIR
1200     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1201     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1202
1203 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1204 # we escape it here so it's evaluated when it is included instead
1205 # so that the include dirs are given relative to where the
1206 # config file is located.
1207 set(LWS__INCLUDE_DIRS
1208     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1209 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1210                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1211                 @ONLY)
1212
1213 # Generate version info for both build-tree and install-tree.
1214 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1215                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1216                 @ONLY)
1217
1218                         set_target_properties(${LWS_LIBRARIES}
1219                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1220
1221 #
1222 # Installation.
1223 #
1224
1225 # Install libs and headers.
1226 install(TARGETS ${LWS_LIBRARIES}
1227                 EXPORT LibwebsocketsTargets
1228                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1229                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1230                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1231                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1232 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1233 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1234
1235 # Install test apps.
1236 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1237         install(TARGETS test-client ${TEST_APP_LIST}
1238                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1239                         COMPONENT examples)
1240         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1241 endif()
1242
1243 # lwsws
1244 if (LWS_WITH_LWSWS)
1245         install(TARGETS lwsws
1246                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT lwsws )
1247 endif()
1248
1249 # Programs shared files used by the test-server.
1250 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1251         install(FILES ${TEST_SERVER_DATA}
1252                         DESTINATION share/libwebsockets-test-server
1253                         COMPONENT examples)
1254 if (LWS_WITH_CGI)
1255         set(CGI_TEST_SCRIPT "${PROJECT_SOURCE_DIR}/test-server/lws-cgi-test.sh")
1256         install(FILES ${CGI_TEST_SCRIPT}
1257                         PERMISSIONS  OWNER_EXECUTE GROUP_EXECUTE WORLD_EXECUTE OWNER_READ GROUP_READ WORLD_READ
1258                         DESTINATION share/libwebsockets-test-server
1259                         COMPONENT examples)
1260         endif()
1261 endif()
1262
1263 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1264 install(FILES
1265                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1266                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1267                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1268
1269 # Install exports for the install-tree.
1270 install(EXPORT LibwebsocketsTargets
1271                 DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1272
1273 # build subdir is not part of sources
1274 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1275
1276 # Most people are more used to "make dist" compared to "make package_source"
1277 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1278
1279 include(UseRPMTools)
1280 if (RPMTools_FOUND)
1281         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1282 endif()
1283
1284 message("---------------------------------------------------------------------")
1285 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1286 message("---------------------------------------------------------------------")
1287 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1288 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1289 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1290 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1291 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1292 if (LWS_USE_WOLFSSL)
1293         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1294         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1295 endif()
1296 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1297 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1298 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1299 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1300 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1301 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1302 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1303 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1304 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1305 message(" LWS_WITHOUT_TEST_ECHO = ${LWS_WITHOUT_TEST_ECHO}")
1306 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1307 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1308 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1309 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1310 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1311 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1312 message(" LWS_USE_LIBUV = ${LWS_USE_LIBUV}")
1313 message(" LWS_IPV6 = ${LWS_IPV6}")
1314 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1315 message(" LWS_MBED3 = ${LWS_MBED3}")
1316 message(" LWS_SSL_SERVER_WITH_ECDH_CERT = ${LWS_SSL_SERVER_WITH_ECDH_CERT}")
1317 message(" LWS_MAX_SMP = ${LWS_MAX_SMP}")
1318 message(" LWS_WITH_CGI = ${LWS_WITH_CGI}")
1319 message(" LWS_HAVE_OPENSSL_ECDH_H = ${LWS_HAVE_OPENSSL_ECDH_H}")
1320 message(" LWS_WITH_HTTP_PROXY = ${LWS_WITH_HTTP_PROXY}")
1321 message(" LIBHUBBUB_LIBRARIES = ${LIBHUBBUB_LIBRARIES}")
1322 message("---------------------------------------------------------------------")
1323
1324 # These will be available to parent projects including libwebsockets using add_subdirectory()
1325 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1326 if (LWS_WITH_STATIC)
1327         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1328 endif()
1329 if (LWS_WITH_SHARED)
1330         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1331 endif()
1332
1333 # This must always be last!
1334 include(CPack)