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