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