CMakeLists.txt

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