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 "${PACKAGE}")
  11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
  12 set(CPACK_PACKAGE_VERSION_MINOR "5")
  13 set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}")
  14 set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
  15 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
  16 set(SOVERSION "5")
  17 set(CPACK_SOURCE_GENERATOR "TGZ")
  18 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
  19 set(VERSION "${CPACK_PACKAGE_VERSION}")
  20
  21 set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
  22 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
  23
  24 message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
  25
  26 # Try to find the current Git hash.
  27 find_package(Git)
  28 if(GIT_EXECUTABLE)
  29         execute_process(
  30     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  31     COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
  32     OUTPUT_VARIABLE GIT_HASH
  33     OUTPUT_STRIP_TRAILING_WHITESPACE
  34     )
  35
  36     set(LWS_BUILD_HASH ${GIT_HASH})
  37     message("Git commit hash: ${LWS_BUILD_HASH}")
  38 endif()
  39
  40 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
  41 if(WIN32)
  42         set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
  43 endif()
  44
  45 option(LWS_WITH_STATIC "Build the static version of the library" ON)
  46 option(LWS_WITH_SHARED "Build the shared version of the library" ON)
  47 option(LWS_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
  48 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)
  49 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)
  50 option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
  51 option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
  52 option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
  53 option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
  54 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)
  55 option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
  56 option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
  57 option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
  58 option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
  59 option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
  60 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
  61 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
  62 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
  63 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
  64 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
  65 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
  66 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
  67 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
  68 option(LWS_IPV6 "Compile with support for ipv6" OFF)
  69 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
  70 option(LWS_MBED3 "Platform is MBED3" OFF)
  71 option(LWS_WITH_OLD_API_WRAPPERS "Compile with binary compatibility with pre-v1.6 apis" OFF)
  72
  73 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  74
  75 set(LWS_WITH_SHARED OFF)
  76 set(LWS_WITH_SSL OFF)
  77 set(LWS_WITH_ZLIB OFF)
  78 set(LWS_WITHOUT_CLIENT ON)
  79 set(LWS_WITHOUT_TESTAPPS ON)
  80 set(LWS_WITHOUT_EXTENSIONS ON)
  81 set(LWS_MBED3 ON)
  82
  83 endif()
  84
  85 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  86
  87 set(LWS_WITH_SHARED OFF)
  88 set(LWS_WITH_SSL OFF)
  89 set(LWS_WITH_ZLIB OFF)
  90 set(LWS_WITHOUT_CLIENT ON)
  91 set(LWS_WITHOUT_TESTAPPS ON)
  92 set(LWS_WITHOUT_EXTENSIONS ON)
  93 set(LWS_MBED3 ON)
  94
  95 endif()
  96
  97
  98 # Allow the user to override installation directories.
  99 set(LWS_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
 100 set(LWS_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
 101 set(LWS_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")
 102 set(LWS_INSTALL_EXAMPLES_DIR  bin CACHE PATH "Installation directory for example files")
 103
 104 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
 105 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
 106         message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
 107 endif()
 108 if (LWS_USE_CYASSL)
 109         # Copy CyaSSL options to the wolfSSL options
 110         set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
 111         set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
 112         set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
 113 endif()
 114
 115 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
 116         message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
 117 endif()
 118
 119 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
 120         message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
 121 endif()
 122
 123 if (NOT LWS_WITHOUT_EXTENSIONS)
 124         if (NOT LWS_WITH_ZLIB)
 125                 message(FATAL_ERROR "zlib is required for extensions.")
 126         endif()
 127 endif()
 128
 129 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
 130 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
 131 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
 132 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
 133 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
 134 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
 135 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
 136 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
 137
 138 if (NOT LWS_WITH_SSL)
 139         set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
 140 endif()
 141
 142 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 143         if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
 144         else()
 145                 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
 146                 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
 147                 set(OPENSSL_FOUND 1)
 148         endif()
 149 endif()
 150
 151 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
 152         if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
 153                 if (NOT WOLFSSL_FOUND)
 154                         if (LWS_USE_CYASSL)
 155                                 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
 156                         else()
 157                                 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
 158                         endif()
 159                 endif()
 160         else()
 161                 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
 162                 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
 163                 set(WOLFSSL_FOUND 1)
 164         endif()
 165         set(USE_WOLFSSL 1)
 166         if (LWS_USE_CYASSL)
 167                 set(USE_OLD_CYASSL 1)
 168         endif()
 169 endif()
 170
 171 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 172         if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
 173         else()
 174                 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
 175                 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
 176                 set(ZLIB_FOUND 1)
 177         endif()
 178 endif()
 179
 180 if (LWS_WITH_LIBEV)
 181         if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
 182         else()
 183                 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
 184                 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
 185                 set(LIBEV_FOUND 1)
 186         endif()
 187 endif()
 188
 189 # FIXME: This must be runtime-only option.
 190 # The base dir where the test-apps look for the SSL certs.
 191 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
 192 if (WIN32)
 193         set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
 194
 195         if (LWS_IPV6)
 196                 set(LWS_IPV6 OFF)
 197                 message(WARNING "IPv6 does not currently work on Windows!")
 198         endif()
 199 else()
 200         set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
 201 endif()
 202
 203 if (LWS_WITHOUT_EXTENSIONS)
 204         set(LWS_NO_EXTENSIONS 1)
 205 endif()
 206
 207 if (LWS_WITH_SSL)
 208         set(LWS_OPENSSL_SUPPORT 1)
 209 endif()
 210
 211 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
 212         set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
 213 endif()
 214
 215 if (LWS_WITH_LATENCY)
 216         set(LWS_LATENCY 1)
 217 endif()
 218
 219 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
 220         set(LWS_NO_DAEMONIZE 1)
 221 endif()
 222
 223 if (LWS_WITHOUT_SERVER)
 224         set(LWS_NO_SERVER 1)
 225 endif()
 226
 227 if (LWS_WITHOUT_CLIENT)
 228         set(LWS_NO_CLIENT 1)
 229 endif()
 230
 231 if (LWS_WITH_LIBEV)
 232         set(LWS_USE_LIBEV 1)
 233 endif()
 234
 235 if (LWS_IPV6)
 236         set(LWS_USE_IPV6 1)
 237 endif()
 238
 239 if (LWS_WITH_HTTP2)
 240         set(LWS_USE_HTTP2 1)
 241 endif()
 242
 243 if (LWS_MBED3)
 244         set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
 245 endif()
 246
 247 if (MINGW)
 248         set(LWS_MINGW_SUPPORT 1)
 249         set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
 250 endif()
 251
 252 include_directories("${PROJECT_BINARY_DIR}")
 253
 254 include(CheckCSourceCompiles)
 255
 256 # Check for different inline keyword versions.
 257 foreach(KEYWORD "inline" "__inline__" "__inline")
 258         set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
 259         CHECK_C_SOURCE_COMPILES(
 260                 "
 261                 #include <stdio.h>
 262                 static KEYWORD void a() {}
 263                 int main(int argc, char **argv) { a(); return 0; }
 264                 " LWS_HAVE_${KEYWORD})
 265 endforeach()
 266
 267 if (NOT LWS_HAVE_inline)
 268         if (LWS_HAVE___inline__)
 269                 set(inline __inline__)
 270         elseif(LWS_HAVE___inline)
 271                 set(inline __inline)
 272         endif()
 273 endif()
 274
 275 # Put the libaries and binaries that get built into directories at the
 276 # top of the build tree rather than in hard-to-find leaf directories.
 277 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
 278 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 279 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 280
 281 # Put absolute path of dynamic libraries into the object code. Some
 282 # architectures, notably Mac OS X, need this.
 283 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
 284
 285 include(CheckFunctionExists)
 286 include(CheckIncludeFile)
 287 include(CheckIncludeFiles)
 288 include(CheckLibraryExists)
 289 include(CheckTypeSize)
 290
 291 if (LWS_WITHOUT_BUILTIN_SHA1)
 292         set(LWS_SHA1_USE_OPENSSL_NAME 1)
 293 endif()
 294
 295 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
 296 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
 297 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
 298 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
 299 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
 300 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
 301 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
 302 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
 303 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
 304 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
 305
 306 if (NOT LWS_HAVE_GETIFADDRS)
 307         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
 308                 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.")
 309         endif()
 310         set(LWS_BUILTIN_GETIFADDRS 1)
 311 endif()
 312
 313 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
 314 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
 315 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
 316 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
 317 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
 318 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
 319 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
 320 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
 321 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
 322 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
 323 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
 324 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
 325 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
 326 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
 327 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
 328 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
 329
 330 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 331         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
 332 endif()
 333
 334 # TODO: These can also be tested to see whether they actually work...
 335 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
 336 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
 337
 338 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 339
 340 # These don't work Cross...
 341 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
 342 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
 343 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
 344
 345 if (NOT PID_T_SIZE)
 346         set(pid_t int)
 347 endif()
 348
 349 if (NOT SIZE_T_SIZE)
 350         set(size_t "unsigned int")
 351 endif()
 352
 353 if (NOT LWS_HAVE_MALLOC)
 354         set(malloc rpl_malloc)
 355 endif()
 356
 357 if (NOT LWS_HAVE_REALLOC)
 358         set(realloc rpl_realloc)
 359 endif()
 360
 361 # Generate the lws_config.h that includes all the public compilation settings.
 362 configure_file(
 363        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
 364        "${PROJECT_BINARY_DIR}/lws_config.h")
 365
 366 # Generate the lws_config.h that includes all the private compilation settings.
 367 configure_file(
 368        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
 369        "${PROJECT_BINARY_DIR}/lws_config_private.h")
 370
 371 if (MSVC)
 372         # Turn off stupid microsoft security warnings.
 373         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 374 endif(MSVC)
 375
 376 include_directories("${PROJECT_SOURCE_DIR}/lib")
 377
 378 # Group headers and sources.
 379 # Some IDEs use this for nicer file structure.
 380 set(HDR_PRIVATE
 381         lib/private-libwebsockets.h)
 382
 383 set(HDR_PUBLIC
 384         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
 385         "${PROJECT_BINARY_DIR}/lws_config.h")
 386
 387 set(SOURCES
 388         lib/base64-decode.c
 389         lib/handshake.c
 390         lib/libwebsockets.c
 391         lib/service.c
 392         lib/pollfd.c
 393         lib/output.c
 394         lib/parsers.c
 395         lib/context.c
 396         lib/alloc.c
 397         lib/header.c)
 398
 399 if (NOT LWS_WITHOUT_CLIENT)
 400         list(APPEND SOURCES
 401                 lib/client.c
 402                 lib/client-handshake.c
 403                 lib/client-parser.c)
 404 endif()
 405
 406 if (LWS_WITH_SSL)
 407         list(APPEND SOURCES
 408                 lib/ssl.c)
 409 endif()
 410
 411 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
 412         list(APPEND SOURCES
 413                 lib/sha-1.c)
 414 endif()
 415
 416 if (LWS_WITH_HTTP2)
 417         list(APPEND SOURCES
 418                 lib/http2.c
 419                 lib/hpack.c
 420                 lib/ssl-http2.c)
 421 endif()
 422 # select the active platform files
 423
 424 if (WIN32)
 425         list(APPEND SOURCES
 426                 lib/lws-plat-win.c)
 427 else()
 428         if (LWS_MBED3)
 429                 list(APPEND SOURCES
 430                         lib/lws-plat-mbed3.cpp
 431                         lib/lws-plat-mbed3.c)
 432         else()
 433                 list(APPEND SOURCES
 434                         lib/lws-plat-unix.c)
 435         endif()
 436 endif()
 437
 438 if (NOT LWS_WITHOUT_SERVER)
 439         list(APPEND SOURCES
 440                 lib/server.c
 441                 lib/server-handshake.c)
 442 endif()
 443
 444 if (NOT LWS_WITHOUT_EXTENSIONS)
 445         list(APPEND HDR_PRIVATE
 446                 lib/extension-deflate-frame.h
 447                 lib/extension-deflate-stream.h)
 448         list(APPEND SOURCES
 449                 lib/extension.c
 450                 lib/extension-deflate-frame.c
 451                 lib/extension-deflate-stream.c)
 452 endif()
 453
 454 if (LWS_WITH_LIBEV)
 455         list(APPEND SOURCES
 456                 lib/libev.c)
 457 endif(LWS_WITH_LIBEV)
 458
 459 # Add helper files for Windows.
 460 if (WIN32)
 461         set(WIN32_HELPERS_PATH win32port/win32helpers)
 462         include_directories(${WIN32_HELPERS_PATH})
 463 else()
 464         # Unix.
 465         if (NOT LWS_WITHOUT_DAEMONIZE)
 466                 list(APPEND SOURCES
 467                         lib/daemonize.c)
 468         endif()
 469 endif()
 470
 471 if (UNIX)
 472         if (NOT LWS_HAVE_GETIFADDRS)
 473                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 474                 list(APPEND SOURCES lib/getifaddrs.c)
 475         endif()
 476 endif()
 477
 478 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 479     include (CheckCCompilerFlag)
 480     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
 481     if (LWS_HAVE_VISIBILITY)
 482                 set(VISIBILITY_FLAG -fvisibility=hidden)
 483     endif()
 484     if (UNIX)
 485                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 486     else(UNIX)
 487                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 488     endif(UNIX)
 489 endif ()
 490
 491 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
 492     if (UNIX)
 493         # jeez clang understands -pthread but dies if he sees it at link time!
 494         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
 495         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
 496     endif()
 497 endif()
 498
 499 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 500         # otherwise osx blows a bunch of openssl deprecated api errors
 501         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
 502 endif()
 503
 504 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 505 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 506 source_group("Sources"          FILES ${SOURCES})
 507
 508 #
 509 # Create the lib.
 510 #
 511 set(LWS_LIBRARIES)
 512
 513 if (LWS_WITH_STATIC)
 514         add_library(websockets STATIC
 515                                 ${HDR_PRIVATE}
 516                                 ${HDR_PUBLIC}
 517                                 ${SOURCES})
 518         list(APPEND LWS_LIBRARIES websockets)
 519
 520         if (WIN32)
 521                 # Windows uses the same .lib ending for static libraries and shared
 522                 # library linker files, so rename the static library.
 523                 set_target_properties(websockets
 524                         PROPERTIES
 525                         OUTPUT_NAME websockets_static)
 526         endif()
 527 endif()
 528
 529 if (LWS_WITH_SHARED)
 530         add_library(websockets_shared SHARED
 531                                 ${HDR_PRIVATE}
 532                                 ${HDR_PUBLIC}
 533                                 ${SOURCES})
 534         list(APPEND LWS_LIBRARIES websockets_shared)
 535
 536         # We want the shared lib to be named "libwebsockets"
 537         # not "libwebsocket_shared".
 538         set_target_properties(websockets_shared
 539                 PROPERTIES
 540                 OUTPUT_NAME websockets)
 541
 542         if (WIN32)
 543                 # Compile as DLL (export function declarations)
 544                 set_property(
 545                         TARGET websockets_shared
 546                         PROPERTY COMPILE_DEFINITIONS
 547                         LWS_DLL
 548                         LWS_INTERNAL)
 549         endif()
 550
 551         if (APPLE)
 552                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
 553         endif()
 554 endif()
 555
 556 # Set the so version of the lib.
 557 # Equivalent to LDFLAGS=-version-info x:x:x
 558 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 559         foreach(lib ${LWS_LIBRARIES})
 560                 set_target_properties(${lib}
 561                         PROPERTIES
 562                         SOVERSION ${SOVERSION})
 563         endforeach()
 564 endif()
 565
 566 set(LIB_LIST)
 567
 568 #
 569 # Find libraries.
 570 #
 571
 572 #
 573 # ZLIB (Only needed for deflate extensions).
 574 #
 575 if (LWS_WITH_ZLIB)
 576         if (LWS_USE_BUNDLED_ZLIB)
 577                 if (WIN32)
 578                         set(WIN32_ZLIB_PATH "win32port/zlib")
 579                         set(ZLIB_SRCS
 580                                 ${WIN32_ZLIB_PATH}/adler32.c
 581                                 ${WIN32_ZLIB_PATH}/compress.c
 582                                 ${WIN32_ZLIB_PATH}/crc32.c
 583                                 ${WIN32_ZLIB_PATH}/deflate.c
 584                                 ${WIN32_ZLIB_PATH}/gzclose.c
 585                                 ${WIN32_ZLIB_PATH}/gzio.c
 586                                 ${WIN32_ZLIB_PATH}/gzlib.c
 587                                 ${WIN32_ZLIB_PATH}/gzread.c
 588                                 ${WIN32_ZLIB_PATH}/gzwrite.c
 589                                 ${WIN32_ZLIB_PATH}/infback.c
 590                                 ${WIN32_ZLIB_PATH}/inffast.c
 591                                 ${WIN32_ZLIB_PATH}/inflate.c
 592                                 ${WIN32_ZLIB_PATH}/inftrees.c
 593                                 ${WIN32_ZLIB_PATH}/trees.c
 594                                 ${WIN32_ZLIB_PATH}/uncompr.c
 595                                 ${WIN32_ZLIB_PATH}/zutil.c)
 596                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
 597                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 598                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
 599                         set(ZLIB_FOUND 1)
 600                         # Make sure zlib_internal is compiled before the libs.
 601                         foreach (lib ${LWS_LIBRARIES})
 602                                 add_dependencies(${lib} zlib_internal)
 603                         endforeach()
 604                 else()
 605                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
 606                 endif()
 607         elseif (NOT ZLIB_FOUND)
 608                 find_package(ZLIB REQUIRED)
 609         endif()
 610         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
 611         message("zlib libraries: ${ZLIB_LIBRARIES}")
 612         include_directories(${ZLIB_INCLUDE_DIRS})
 613         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
 614 endif()
 615
 616 #
 617 # OpenSSL
 618 #
 619 if (LWS_WITH_SSL)
 620         message("Compiling with SSL support")
 621
 622         if (LWS_USE_WOLFSSL)
 623                 # Use wolfSSL as OpenSSL replacement.
 624                 # TODO: Add a find_package command for this also.
 625                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
 626                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
 627
 628                 # Additional to the root directory we need to include
 629                 # the wolfssl/ subdirectory which contains the OpenSSL
 630                 # compatibility layer headers.
 631
 632                 if (LWS_USE_CYASSL)
 633                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 634                                 include_directories("${inc}" "${inc}/cyassl")
 635                         endforeach()
 636                 else()
 637                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 638                                 include_directories("${inc}" "${inc}/wolfssl")
 639                         endforeach()
 640                 endif()
 641
 642                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
 643         else()
 644                 if (NOT OPENSSL_FOUND)
 645                         # TODO: Add support for STATIC also.
 646                         find_package(OpenSSL REQUIRED)
 647                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
 648                 endif()
 649
 650                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
 651                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 652
 653                 include_directories("${OPENSSL_INCLUDE_DIRS}")
 654                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
 655         endif()
 656 endif(LWS_WITH_SSL)
 657
 658 if (LWS_WITH_LIBEV)
 659         if (NOT LIBEV_FOUND)
 660                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
 661                 find_library(LIBEV_LIBRARIES NAMES ev)
 662                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
 663                         set(LIBEV_FOUND 1)
 664                 endif()
 665         endif()
 666         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
 667         message("libev libraries: ${LIBEV_LIBRARIES}")
 668         include_directories("${LIBEV_INCLUDE_DIRS}")
 669         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
 670 endif(LWS_WITH_LIBEV)
 671
 672 #
 673 # Platform specific libs.
 674 #
 675 if (WINCE)
 676         list(APPEND LIB_LIST ws2.lib)
 677 elseif (WIN32)
 678         list(APPEND LIB_LIST ws2_32.lib)
 679 endif()
 680
 681 if (UNIX)
 682         list(APPEND LIB_LIST m)
 683 endif()
 684
 685 # Setup the linking for all libs.
 686 foreach (lib ${LWS_LIBRARIES})
 687         target_link_libraries(${lib} ${LIB_LIST})
 688 endforeach()
 689
 690 #
 691 # Test applications
 692 #
 693 set(TEST_APP_LIST)
 694 if (NOT LWS_WITHOUT_TESTAPPS)
 695         #
 696         # Helper function for adding a test app.
 697         #
 698         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4)
 699
 700                 set(TEST_SRCS ${MAIN_SRC})
 701                 set(TEST_HDR)
 702                 if ("${S2}" STREQUAL "")
 703                 else()
 704                         list(APPEND TEST_SRCS ${S2})
 705                 endif()
 706                 if ("${S3}" STREQUAL "")
 707                 else()
 708                         list(APPEND TEST_SRCS ${S3})
 709                 endif()
 710                 if ("${S4}" STREQUAL "")
 711                 else()
 712                         list(APPEND TEST_SRCS ${S4})
 713                 endif()
 714                 if (WIN32)
 715                         list(APPEND TEST_SRCS
 716                                 ${WIN32_HELPERS_PATH}/getopt.c
 717                                 ${WIN32_HELPERS_PATH}/getopt_long.c
 718                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 719                         )
 720
 721                         list(APPEND TEST_HDR
 722                                 ${WIN32_HELPERS_PATH}/getopt.h
 723                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 724                         )
 725                 endif(WIN32)
 726
 727                 source_group("Headers Private"   FILES ${TEST_HDR})
 728                 source_group("Sources"   FILES ${TEST_SRCS})
 729                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 730
 731                 if (LWS_LINK_TESTAPPS_DYNAMIC)
 732                         if (NOT LWS_WITH_SHARED)
 733                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
 734                         endif()
 735                         target_link_libraries(${TEST_NAME} websockets_shared)
 736                         add_dependencies(${TEST_NAME} websockets_shared)
 737                 else()
 738                         if (NOT LWS_WITH_STATIC)
 739                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
 740                         endif()
 741                         target_link_libraries(${TEST_NAME} websockets)
 742                         add_dependencies(${TEST_NAME} websockets)
 743                 endif()
 744
 745                 # Set test app specific defines.
 746                 set_property(TARGET ${TEST_NAME}
 747                                         PROPERTY COMPILE_DEFINITIONS
 748                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 749                                         )
 750
 751                 # Prefix the binary names with libwebsockets.
 752                 set_target_properties(${TEST_NAME}
 753                         PROPERTIES
 754                         OUTPUT_NAME libwebsockets-${TEST_NAME})
 755
 756                 # Add to the list of tests.
 757                 list(APPEND TEST_APP_LIST ${TEST_NAME})
 758         endmacro()
 759
 760         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 761                 message("Searching for OpenSSL executable and dlls")
 762                 find_package(OpenSSLbins)
 763                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
 764         endif()
 765
 766         if (NOT LWS_WITHOUT_SERVER)
 767                 #
 768                 # test-server
 769                 #
 770                 if (NOT LWS_WITHOUT_TEST_SERVER)
 771                         create_test_app(test-server "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
 772                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
 773                                 create_test_app(test-server-pthreads "test-server/test-server-pthreads.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
 774                         endif()
 775                 endif()
 776
 777                 #
 778                 # test-server-extpoll
 779                 #
 780                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
 781                         create_test_app(test-server-extpoll "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
 782                         # Set defines for this executable only.
 783                         set_property(
 784                                 TARGET test-server-extpoll
 785                                 PROPERTY COMPILE_DEFINITIONS
 786                                         EXTERNAL_POLL
 787                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 788                                 )
 789
 790                         # We need to link against winsock code.
 791                         if (WIN32)
 792                                 target_link_libraries(test-server-extpoll ws2_32.lib)
 793                         endif(WIN32)
 794                 endif()
 795
 796                 # Data files for running the test server.
 797                 set(TEST_SERVER_DATA
 798                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
 799                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
 800                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
 801                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
 802
 803                 # Generate self-signed SSL certs for the test-server.
 804                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
 805                         message("Generating SSL Certificates for the test-server...")
 806
 807                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
 808                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
 809
 810                         if (WIN32)
 811                                 if (MINGW)
 812                                         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 \"${TEST_SERVER_SSL_CERT}\"")
 813                                         execute_process(
 814                                                 COMMAND "${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}"
 815                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
 816                                 else()
 817                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
 818                                                 "GB\n"
 819                                                 "Erewhon\n"
 820                                                 "All around\n"
 821                                                 "libwebsockets-test\n"
 822                                                 "localhost\n"
 823                                                 "none@invalid.org\n\n"
 824                                                 )
 825
 826                                         # The "type" command is a bit picky with paths.
 827                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
 828                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
 829                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
 830
 831                                         execute_process(
 832                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
 833                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 834                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
 835                                                 OUTPUT_QUIET ERROR_QUIET)
 836
 837                                         message("\n")
 838                                 endif()
 839
 840                                 if (OPENSSL_RETURN_CODE)
 841                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 842                                 else()
 843                                         message("SUCCSESFULLY generated SSL certificate")
 844                                 endif()
 845                         else()
 846                                 # Unix.
 847                                 execute_process(
 848                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
 849                                         COMMAND "${OPENSSL_EXECUTABLE}"
 850                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 851                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
 852                                         OUTPUT_QUIET ERROR_QUIET)
 853
 854                                 if (OPENSSL_RETURN_CODE)
 855                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 856                                 else()
 857                                         message("SUCCESSFULLY generated SSL certificate")
 858                                 endif()
 859                         endif()
 860
 861                         list(APPEND TEST_SERVER_DATA
 862                                 "${TEST_SERVER_SSL_KEY}"
 863                                 "${TEST_SERVER_SSL_CERT}")
 864                 endif()
 865
 866                 add_custom_command(TARGET test-server
 867                                                 POST_BUILD
 868                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
 869
 870                 # Copy the file needed to run the server so that the test apps can
 871                 # reach them from their default output location
 872                 foreach (TEST_FILE ${TEST_SERVER_DATA})
 873                         if (EXISTS ${TEST_FILE})
 874                                 add_custom_command(TARGET test-server
 875                                                         POST_BUILD
 876                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
 877                         endif()
 878                 endforeach()
 879         endif(NOT LWS_WITHOUT_SERVER)
 880
 881         if (NOT LWS_WITHOUT_CLIENT)
 882                 #
 883                 # test-client
 884                 #
 885                 if (NOT LWS_WITHOUT_TEST_CLIENT)
 886                         create_test_app(test-client "test-server/test-client.c" "" "" "")
 887                 endif()
 888
 889                 #
 890                 # test-fraggle
 891                 #
 892                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
 893                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "")
 894                 endif()
 895
 896                 #
 897                 # test-ping
 898                 #
 899                 if (NOT LWS_WITHOUT_TEST_PING)
 900                         create_test_app(test-ping "test-server/test-ping.c" "" "" "")
 901                 endif()
 902                 #
 903                 # test-echo
 904                 #
 905                 if (NOT WITHOUT_TEST_ECHO)
 906                         create_test_app(test-echo "test-server/test-echo.c" "" "" "")
 907                 endif()
 908
 909         endif(NOT LWS_WITHOUT_CLIENT)
 910
 911         #
 912         # Copy OpenSSL dlls to the output directory on Windows.
 913         # (Otherwise we'll get an error when trying to run)
 914         #
 915         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 916                 if(OPENSSL_BIN_FOUND)
 917                         message("OpenSSL dlls found:")
 918                         message("  Libeay: ${LIBEAY_BIN}")
 919                         message("  SSLeay: ${SSLEAY_BIN}")
 920
 921                         foreach(TARGET_BIN ${TEST_APP_LIST})
 922                                 add_custom_command(TARGET ${TARGET_BIN}
 923                                         POST_BUILD
 924                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
 925                                 add_custom_command(TARGET ${TARGET_BIN}
 926                                         POST_BUILD
 927                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
 928                         endforeach()
 929                 endif()
 930         endif()
 931 endif(NOT LWS_WITHOUT_TESTAPPS)
 932
 933 if (UNIX)
 934         # Generate documentation.
 935         # TODO: Fix this on Windows.
 936         message("Generating API documentation")
 937         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
 938         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
 939
 940         execute_process(
 941                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
 942                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
 943                 ERROR_QUIET)
 944
 945         execute_process(
 946                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
 947                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
 948                 ERROR_QUIET)
 949
 950 # Generate and install pkgconfig.
 951 # (This is not indented, because the tabs will be part of the output)
 952 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
 953 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
 954 exec_prefix=\${prefix}
 955 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
 956 includedir=\${prefix}/include
 957
 958 Name: libwebsockets
 959 Description: Websockets server and client library
 960 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}
 961
 962 Libs: -L\${libdir} -lwebsockets
 963 Cflags: -I\${includedir}"
 964 )
 965
 966         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
 967                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
 968 endif(UNIX)
 969
 970 #
 971 # Installation preparations.
 972 #
 973
 974 if(WIN32 AND NOT CYGWIN)
 975   set(DEF_INSTALL_CMAKE_DIR cmake)
 976 else()
 977   set(DEF_INSTALL_CMAKE_DIR lib/cmake/libwebsockets)
 978 endif()
 979
 980 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
 981
 982 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
 983 export(TARGETS ${LWS_LIBRARIES}
 984         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
 985 export(PACKAGE libwebsockets)
 986
 987 # Generate the config file for the build-tree.
 988 set(LWS__INCLUDE_DIRS
 989     "${PROJECT_SOURCE_DIR}/lib"
 990     "${PROJECT_BINARY_DIR}")
 991 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
 992 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
 993                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
 994                 @ONLY)
 995
 996 # Generate the config file for the installation tree.
 997 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
 998 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
 999 file(RELATIVE_PATH
1000     REL_INCLUDE_DIR
1001     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1002     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1003
1004 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1005 # we escape it here so it's evaluated when it is included instead
1006 # so that the include dirs are given relative to where the
1007 # config file is located.
1008 set(LWS__INCLUDE_DIRS
1009     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1010 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1011                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1012                 @ONLY)
1013
1014 # Generate version info for both build-tree and install-tree.
1015 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1016                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1017                 @ONLY)
1018
1019                         set_target_properties(${LWS_LIBRARIES}
1020                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1021
1022 #
1023 # Installation.
1024 #
1025
1026 # Install libs and headers.
1027 install(TARGETS ${LWS_LIBRARIES}
1028                 EXPORT LibwebsocketsTargets
1029                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1030                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1031                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1032                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1033 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1034 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1035
1036 # Install test apps.
1037 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1038         install(TARGETS test-client ${TEST_APP_LIST}
1039                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1040                         COMPONENT examples)
1041         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1042 endif()
1043
1044 # Programs shared files used by the test-server.
1045 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1046         install(FILES ${TEST_SERVER_DATA}
1047                         DESTINATION share/libwebsockets-test-server
1048                         COMPONENT examples)
1049 endif()
1050
1051 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1052 install(FILES
1053                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1054                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1055                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1056
1057 # build subdir is not part of sources
1058 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1059
1060 # Most people are more used to "make dist" compared to "make package_source"
1061 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1062
1063 include(UseRPMTools)
1064 if (RPMTools_FOUND)
1065         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1066 endif()
1067
1068 message("---------------------------------------------------------------------")
1069 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1070 message("---------------------------------------------------------------------")
1071 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1072 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1073 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1074 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1075 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1076 if (LWS_USE_WOLFSSL)
1077         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1078         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1079 endif()
1080 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1081 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1082 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1083 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1084 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1085 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1086 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1087 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1088 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1089 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1090 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1091 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1092 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1093 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1094 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1095 message(" LWS_IPV6 = ${LWS_IPV6}")
1096 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1097 message(" LWS_MBED3 = ${LWS_MBED3}")
1098 message(" LWS_WITH_OLD_API_WRAPPERS = ${LWS_WITH_OLD_API_WRAPPERS}")
1099 message("---------------------------------------------------------------------")
1100
1101 # These will be available to parent projects including libwebsockets using add_subdirectory()
1102 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1103 if (LWS_WITH_STATIC)
1104         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1105 endif()
1106 if (LWS_WITH_SHARED)
1107         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1108 endif()
1109
1110 # This must always be last!
1111 include(CPack)