CMakeLists.txt

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