CMakeLists.txt

   1 cmake_minimum_required(VERSION 2.8)
   2
   3 if(NOT DEFINED CMAKE_BUILD_TYPE)
   4         set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
   5 endif()
   6
   7 project(libwebsockets C)
   8
   9 set(PACKAGE "libwebsockets")
  10 set(CPACK_PACKAGE_NAME "${PACKAGE}")
  11 set(CPACK_PACKAGE_VERSION_MAJOR "1")
  12 set(CPACK_PACKAGE_VERSION_MINOR "5")
  13 set(CPACK_PACKAGE_VERSION_PATCH "0")
  14 set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
  15 set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
  16 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
  17 set(SOVERSION "6")
  18 set(CPACK_SOURCE_GENERATOR "TGZ")
  19 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
  20 set(VERSION "${CPACK_PACKAGE_VERSION}")
  21
  22 set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
  23 set(LWS_LIBRARY_VERSION_MAJOR ${CPACK_PACKAGE_VERSION_MAJOR})
  24 set(LWS_LIBRARY_VERSION_MINOR ${CPACK_PACKAGE_VERSION_MINOR})
  25 set(LWS_LIBRARY_VERSION_PATCH ${CPACK_PACKAGE_VERSION_PATCH})
  26
  27 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
  28
  29 message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
  30
  31 # Try to find the current Git hash.
  32 find_package(Git)
  33 if(GIT_EXECUTABLE)
  34         execute_process(
  35     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
  36     COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
  37     OUTPUT_VARIABLE GIT_HASH
  38     OUTPUT_STRIP_TRAILING_WHITESPACE
  39     )
  40
  41     set(LWS_BUILD_HASH ${GIT_HASH})
  42     message("Git commit hash: ${LWS_BUILD_HASH}")
  43 endif()
  44
  45 set(LWS_USE_BUNDLED_ZLIB_DEFAULT OFF)
  46 if(WIN32)
  47         set(LWS_USE_BUNDLED_ZLIB_DEFAULT ON)
  48 endif()
  49
  50 option(LWS_WITH_STATIC "Build the static version of the library" ON)
  51 option(LWS_WITH_SHARED "Build the shared version of the library" ON)
  52 option(LWS_WITH_SSL "Include SSL support (default OpenSSL, wolfSSL if LWS_USE_WOLFSSL is set)" ON)
  53 option(LWS_USE_CYASSL "Use CyaSSL replacement for OpenSSL. When setting this, you also need to specify LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS" OFF)
  54 option(LWS_USE_WOLFSSL "Use wolfSSL replacement for OpenSSL. When setting this, you also need to specify LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS" OFF)
  55 option(LWS_WITH_ZLIB "Include zlib support (required for extensions)" ON)
  56 option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
  57 option(LWS_USE_BUNDLED_ZLIB "Use bundled zlib version (Windows only)" ${LWS_USE_BUNDLED_ZLIB_DEFAULT})
  58 option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of the OS-installed CA root certs" ON)
  59 option(LWS_WITHOUT_BUILTIN_GETIFADDRS "Don't use the BSD getifaddrs implementation from libwebsockets if it is missing (this will result in a compilation error) ... The default is to assume that your libc provides it. On some systems such as uclibc it doesn't exist." OFF)
  60 option(LWS_WITHOUT_BUILTIN_SHA1 "Don't build the lws sha-1 (eg, because openssl will provide it" OFF)
  61 option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" OFF)
  62 option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
  63 option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" OFF)
  64 option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
  65 option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" OFF)
  66 option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" OFF)
  67 option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" OFF)
  68 option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" OFF)
  69 option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" OFF)
  70 option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
  71 option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
  72 option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" ON)
  73 option(LWS_IPV6 "Compile with support for ipv6" OFF)
  74 option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
  75 option(LWS_MBED3 "Platform is MBED3" OFF)
  76 option(LWS_WITH_OLD_API_WRAPPERS "Compile with binary compatibility with pre-v1.6 apis" OFF)
  77
  78 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  79
  80 set(LWS_WITH_SHARED OFF)
  81 set(LWS_WITH_SSL OFF)
  82 set(LWS_WITH_ZLIB OFF)
  83 set(LWS_WITHOUT_CLIENT ON)
  84 set(LWS_WITHOUT_TESTAPPS ON)
  85 set(LWS_WITHOUT_EXTENSIONS ON)
  86 set(LWS_MBED3 ON)
  87
  88 endif()
  89
  90 if (DEFINED YOTTA_WEBSOCKETS_VERSION_STRING)
  91
  92 set(LWS_WITH_SHARED OFF)
  93 set(LWS_WITH_SSL OFF)
  94 set(LWS_WITH_ZLIB OFF)
  95 set(LWS_WITHOUT_CLIENT ON)
  96 set(LWS_WITHOUT_TESTAPPS ON)
  97 set(LWS_WITHOUT_EXTENSIONS ON)
  98 set(LWS_MBED3 ON)
  99
 100 endif()
 101
 102
 103 # Allow the user to override installation directories.
 104 set(LWS_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
 105 set(LWS_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
 106 set(LWS_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")
 107 set(LWS_INSTALL_EXAMPLES_DIR  bin CACHE PATH "Installation directory for example files")
 108
 109 # Allow the user to use the old CyaSSL options/library in stead of wolfSSL
 110 if (LWS_USE_CYASSL AND LWS_USE_WOLFSSL)
 111         message(FATAL_ERROR "LWS_USE_CYASSL and LWS_USE_WOLFSSL are mutually exclusive!")
 112 endif()
 113 if (LWS_USE_CYASSL)
 114         # Copy CyaSSL options to the wolfSSL options
 115         set(LWS_USE_WOLFSSL ${LWS_USE_CYASSL} CACHE BOOL "Use wolfSSL/CyaSSL instead of OpenSSL" FORCE)
 116         set(LWS_WOLFSSL_LIBRARIES ${LWS_CYASSL_LIBRARIES} CACHE PATH "Path to wolfSSL/CyaSSL libraries" FORCE)
 117         set(LWS_WOLFSSL_INCLUDE_DIRS ${LWS_CYASSL_INCLUDE_DIRS} CACHE PATH "Path to wolfSSL/CyaSSL header files" FORCE)
 118 endif()
 119
 120 if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
 121         message(FATAL_ERROR "Makes no sense to compile with neither client nor server.")
 122 endif()
 123
 124 if (NOT (LWS_WITH_STATIC OR LWS_WITH_SHARED))
 125         message(FATAL_ERROR "Makes no sense to compile with neither static nor shared libraries.")
 126 endif()
 127
 128 if (NOT LWS_WITHOUT_EXTENSIONS)
 129         if (NOT LWS_WITH_ZLIB)
 130                 message(FATAL_ERROR "zlib is required for extensions.")
 131         endif()
 132 endif()
 133
 134 set(LWS_ZLIB_LIBRARIES CACHE PATH "Path to the zlib library")
 135 set(LWS_ZLIB_INCLUDE_DIRS CACHE PATH "Path to the zlib include directory")
 136 set(LWS_OPENSSL_LIBRARIES CACHE PATH "Path to the OpenSSL library")
 137 set(LWS_OPENSSL_INCLUDE_DIRS CACHE PATH "Path to the OpenSSL include directory")
 138 set(LWS_WOLFSSL_LIBRARIES CACHE PATH "Path to the wolfSSL library")
 139 set(LWS_WOLFSSL_INCLUDE_DIRS CACHE PATH "Path to the wolfSSL include directory")
 140 set(LWS_LIBEV_LIBRARIES CACHE PATH "Path to the libev library")
 141 set(LWS_LIBEV_INCLUDE_DIRS CACHE PATH "Path to the libev include directory")
 142
 143 if (NOT LWS_WITH_SSL)
 144         set(LWS_WITHOUT_BUILTIN_SHA1 OFF)
 145 endif()
 146
 147 if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 148         if ("${LWS_OPENSSL_LIBRARIES}" STREQUAL "" OR "${LWS_OPENSSL_INCLUDE_DIRS}" STREQUAL "")
 149         else()
 150                 set(OPENSSL_LIBRARIES ${LWS_OPENSSL_LIBRARIES})
 151                 set(OPENSSL_INCLUDE_DIRS ${LWS_OPENSSL_INCLUDE_DIRS})
 152                 set(OPENSSL_FOUND 1)
 153         endif()
 154 endif()
 155
 156 if (LWS_WITH_SSL AND LWS_USE_WOLFSSL)
 157         if ("${LWS_WOLFSSL_LIBRARIES}" STREQUAL "" OR "${LWS_WOLFSSL_INCLUDE_DIRS}" STREQUAL "")
 158                 if (NOT WOLFSSL_FOUND)
 159                         if (LWS_USE_CYASSL)
 160                                 message(FATAL_ERROR "You must set LWS_CYASSL_LIBRARIES and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on.")
 161                         else()
 162                                 message(FATAL_ERROR "You must set LWS_WOLFSSL_LIBRARIES and LWS_WOLFSSL_INCLUDE_DIRS when LWS_USE_WOLFSSL is turned on.")
 163                         endif()
 164                 endif()
 165         else()
 166                 set(WOLFSSL_LIBRARIES ${LWS_WOLFSSL_LIBRARIES})
 167                 set(WOLFSSL_INCLUDE_DIRS ${LWS_WOLFSSL_INCLUDE_DIRS})
 168                 set(WOLFSSL_FOUND 1)
 169         endif()
 170         set(USE_WOLFSSL 1)
 171         if (LWS_USE_CYASSL)
 172                 set(USE_OLD_CYASSL 1)
 173         endif()
 174 endif()
 175
 176 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 177         if ("${LWS_ZLIB_LIBRARIES}" STREQUAL "" OR "${LWS_ZLIB_INCLUDE_DIRS}" STREQUAL "")
 178         else()
 179                 set(ZLIB_LIBRARIES ${LWS_ZLIB_LIBRARIES})
 180                 set(ZLIB_INCLUDE_DIRS ${LWS_ZLIB_INCLUDE_DIRS})
 181                 set(ZLIB_FOUND 1)
 182         endif()
 183 endif()
 184
 185 if (LWS_WITH_LIBEV)
 186         if ("${LWS_LIBEV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBEV_INCLUDE_DIRS}" STREQUAL "")
 187         else()
 188                 set(LIBEV_LIBRARIES ${LWS_LIBEV_LIBRARIES})
 189                 set(LIBEV_INCLUDE_DIRS ${LWS_LIBEV_INCLUDE_DIRS})
 190                 set(LIBEV_FOUND 1)
 191         endif()
 192 endif()
 193
 194 # FIXME: This must be runtime-only option.
 195 # The base dir where the test-apps look for the SSL certs.
 196 set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
 197 if (WIN32)
 198         set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
 199
 200         if (LWS_IPV6)
 201                 set(LWS_IPV6 OFF)
 202                 message(WARNING "IPv6 does not currently work on Windows!")
 203         endif()
 204 else()
 205         set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
 206 endif()
 207
 208 if (LWS_WITHOUT_EXTENSIONS)
 209         set(LWS_NO_EXTENSIONS 1)
 210 endif()
 211
 212 if (LWS_WITH_SSL)
 213         set(LWS_OPENSSL_SUPPORT 1)
 214 endif()
 215
 216 if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
 217         set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
 218 endif()
 219
 220 if (LWS_WITH_LATENCY)
 221         set(LWS_LATENCY 1)
 222 endif()
 223
 224 if (LWS_WITHOUT_DAEMONIZE OR WIN32)
 225         set(LWS_NO_DAEMONIZE 1)
 226 endif()
 227
 228 if (LWS_WITHOUT_SERVER)
 229         set(LWS_NO_SERVER 1)
 230 endif()
 231
 232 if (LWS_WITHOUT_CLIENT)
 233         set(LWS_NO_CLIENT 1)
 234 endif()
 235
 236 if (LWS_WITH_LIBEV)
 237         set(LWS_USE_LIBEV 1)
 238 endif()
 239
 240 if (LWS_IPV6)
 241         set(LWS_USE_IPV6 1)
 242 endif()
 243
 244 if (LWS_WITH_HTTP2)
 245         set(LWS_USE_HTTP2 1)
 246 endif()
 247
 248 if (LWS_MBED3)
 249         set(CMAKE_C_FLAGS "-D_DEBUG ${CMAKE_C_FLAGS}")
 250 endif()
 251
 252 if (MINGW)
 253         set(LWS_MINGW_SUPPORT 1)
 254         set(CMAKE_C_FLAGS "-D__USE_MINGW_ANSI_STDIO ${CMAKE_C_FLAGS}")
 255 endif()
 256
 257 include_directories("${PROJECT_BINARY_DIR}")
 258
 259 include(CheckCSourceCompiles)
 260
 261 # Check for different inline keyword versions.
 262 foreach(KEYWORD "inline" "__inline__" "__inline")
 263         set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
 264         CHECK_C_SOURCE_COMPILES(
 265                 "
 266                 #include <stdio.h>
 267                 static KEYWORD void a() {}
 268                 int main(int argc, char **argv) { a(); return 0; }
 269                 " LWS_HAVE_${KEYWORD})
 270 endforeach()
 271
 272 if (NOT LWS_HAVE_inline)
 273         if (LWS_HAVE___inline__)
 274                 set(inline __inline__)
 275         elseif(LWS_HAVE___inline)
 276                 set(inline __inline)
 277         endif()
 278 endif()
 279
 280 # Put the libaries and binaries that get built into directories at the
 281 # top of the build tree rather than in hard-to-find leaf directories.
 282 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
 283 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 284 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
 285
 286 # Put absolute path of dynamic libraries into the object code. Some
 287 # architectures, notably Mac OS X, need this.
 288 SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
 289
 290 include(CheckFunctionExists)
 291 include(CheckIncludeFile)
 292 include(CheckIncludeFiles)
 293 include(CheckLibraryExists)
 294 include(CheckTypeSize)
 295
 296 if (LWS_WITHOUT_BUILTIN_SHA1)
 297         set(LWS_SHA1_USE_OPENSSL_NAME 1)
 298 endif()
 299
 300 CHECK_FUNCTION_EXISTS(bzero LWS_HAVE_BZERO)
 301 CHECK_FUNCTION_EXISTS(fork LWS_HAVE_FORK)
 302 CHECK_FUNCTION_EXISTS(getenv LWS_HAVE_GETENV)
 303 CHECK_FUNCTION_EXISTS(malloc LWS_HAVE_MALLOC)
 304 CHECK_FUNCTION_EXISTS(memset LWS_HAVE_MEMSET)
 305 CHECK_FUNCTION_EXISTS(realloc LWS_HAVE_REALLOC)
 306 CHECK_FUNCTION_EXISTS(socket LWS_HAVE_SOCKET)
 307 CHECK_FUNCTION_EXISTS(strerror LWS_HAVE_STRERROR)
 308 CHECK_FUNCTION_EXISTS(vfork LWS_HAVE_VFORK)
 309 CHECK_FUNCTION_EXISTS(getifaddrs LWS_HAVE_GETIFADDRS)
 310
 311 if (NOT LWS_HAVE_GETIFADDRS)
 312         if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
 313                 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.")
 314         endif()
 315         set(LWS_BUILTIN_GETIFADDRS 1)
 316 endif()
 317
 318 CHECK_INCLUDE_FILE(dlfcn.h LWS_HAVE_DLFCN_H)
 319 CHECK_INCLUDE_FILE(fcntl.h LWS_HAVE_FCNTL_H)
 320 CHECK_INCLUDE_FILE(in6addr.h LWS_HAVE_IN6ADDR_H)
 321 CHECK_INCLUDE_FILE(inttypes.h LWS_HAVE_INTTYPES_H)
 322 CHECK_INCLUDE_FILE(memory.h LWS_HAVE_MEMORY_H)
 323 CHECK_INCLUDE_FILE(netinet/in.h LWS_HAVE_NETINET_IN_H)
 324 CHECK_INCLUDE_FILE(stdint.h LWS_HAVE_STDINT_H)
 325 CHECK_INCLUDE_FILE(stdlib.h LWS_HAVE_STDLIB_H)
 326 CHECK_INCLUDE_FILE(strings.h LWS_HAVE_STRINGS_H)
 327 CHECK_INCLUDE_FILE(string.h LWS_HAVE_STRING_H)
 328 CHECK_INCLUDE_FILE(sys/prctl.h LWS_HAVE_SYS_PRCTL_H)
 329 CHECK_INCLUDE_FILE(sys/socket.h LWS_HAVE_SYS_SOCKET_H)
 330 CHECK_INCLUDE_FILE(sys/stat.h LWS_HAVE_SYS_STAT_H)
 331 CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)
 332 CHECK_INCLUDE_FILE(unistd.h LWS_HAVE_UNISTD_H)
 333 CHECK_INCLUDE_FILE(vfork.h LWS_HAVE_VFORK_H)
 334
 335 if (LWS_WITH_ZLIB AND NOT LWS_USE_BUNDLED_ZLIB)
 336         CHECK_INCLUDE_FILE(zlib.h LWS_HAVE_ZLIB_H)
 337 endif()
 338
 339 # TODO: These can also be tested to see whether they actually work...
 340 set(LWS_HAVE_WORKING_FORK LWS_HAVE_FORK)
 341 set(LWS_HAVE_WORKING_VFORK LWS_HAVE_VFORK)
 342
 343 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 344
 345 # These don't work Cross...
 346 #CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
 347 #CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
 348 #CHECK_TYPE_SIZE("void *" LWS_SIZEOFPTR LANGUAGE C)
 349
 350 if (NOT PID_T_SIZE)
 351         set(pid_t int)
 352 endif()
 353
 354 if (NOT SIZE_T_SIZE)
 355         set(size_t "unsigned int")
 356 endif()
 357
 358 if (NOT LWS_HAVE_MALLOC)
 359         set(malloc rpl_malloc)
 360 endif()
 361
 362 if (NOT LWS_HAVE_REALLOC)
 363         set(realloc rpl_realloc)
 364 endif()
 365
 366 # Generate the lws_config.h that includes all the public compilation settings.
 367 configure_file(
 368        "${PROJECT_SOURCE_DIR}/lws_config.h.in"
 369        "${PROJECT_BINARY_DIR}/lws_config.h")
 370
 371 # Generate the lws_config.h that includes all the private compilation settings.
 372 configure_file(
 373        "${PROJECT_SOURCE_DIR}/lws_config_private.h.in"
 374        "${PROJECT_BINARY_DIR}/lws_config_private.h")
 375
 376 if (MSVC)
 377         # Turn off stupid microsoft security warnings.
 378         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 379 endif(MSVC)
 380
 381 include_directories("${PROJECT_SOURCE_DIR}/lib")
 382
 383 # Group headers and sources.
 384 # Some IDEs use this for nicer file structure.
 385 set(HDR_PRIVATE
 386         lib/private-libwebsockets.h)
 387
 388 set(HDR_PUBLIC
 389         "${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
 390         "${PROJECT_BINARY_DIR}/lws_config.h")
 391
 392 set(SOURCES
 393         lib/base64-decode.c
 394         lib/handshake.c
 395         lib/libwebsockets.c
 396         lib/service.c
 397         lib/pollfd.c
 398         lib/output.c
 399         lib/parsers.c
 400         lib/context.c
 401         lib/alloc.c
 402         lib/header.c)
 403
 404 if (NOT LWS_WITHOUT_CLIENT)
 405         list(APPEND SOURCES
 406                 lib/client.c
 407                 lib/client-handshake.c
 408                 lib/client-parser.c)
 409 endif()
 410
 411 if (LWS_WITH_SSL)
 412         list(APPEND SOURCES
 413                 lib/ssl.c)
 414 endif()
 415
 416 if (NOT LWS_WITHOUT_BUILTIN_SHA1)
 417         list(APPEND SOURCES
 418                 lib/sha-1.c)
 419 endif()
 420
 421 if (LWS_WITH_HTTP2)
 422         list(APPEND SOURCES
 423                 lib/http2.c
 424                 lib/hpack.c
 425                 lib/ssl-http2.c)
 426 endif()
 427 # select the active platform files
 428
 429 if (WIN32)
 430         list(APPEND SOURCES
 431                 lib/lws-plat-win.c)
 432 else()
 433         if (LWS_MBED3)
 434                 list(APPEND SOURCES
 435                         lib/lws-plat-mbed3.cpp
 436                         lib/lws-plat-mbed3.c)
 437         else()
 438                 list(APPEND SOURCES
 439                         lib/lws-plat-unix.c)
 440         endif()
 441 endif()
 442
 443 if (NOT LWS_WITHOUT_SERVER)
 444         list(APPEND SOURCES
 445                 lib/server.c
 446                 lib/server-handshake.c)
 447 endif()
 448
 449 if (NOT LWS_WITHOUT_EXTENSIONS)
 450         list(APPEND HDR_PRIVATE
 451                 lib/extension-deflate-frame.h
 452                 lib/extension-deflate-stream.h)
 453         list(APPEND SOURCES
 454                 lib/extension.c
 455                 lib/extension-deflate-frame.c
 456                 lib/extension-deflate-stream.c)
 457 endif()
 458
 459 if (LWS_WITH_LIBEV)
 460         list(APPEND SOURCES
 461                 lib/libev.c)
 462 endif(LWS_WITH_LIBEV)
 463
 464 # Add helper files for Windows.
 465 if (WIN32)
 466         set(WIN32_HELPERS_PATH win32port/win32helpers)
 467         include_directories(${WIN32_HELPERS_PATH})
 468 else()
 469         # Unix.
 470         if (NOT LWS_WITHOUT_DAEMONIZE)
 471                 list(APPEND SOURCES
 472                         lib/daemonize.c)
 473         endif()
 474 endif()
 475
 476 if (UNIX)
 477         if (NOT LWS_HAVE_GETIFADDRS)
 478                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 479                 list(APPEND SOURCES lib/getifaddrs.c)
 480         endif()
 481 endif()
 482
 483 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 484     include (CheckCCompilerFlag)
 485     CHECK_C_COMPILER_FLAG(-fvisibility=hidden LWS_HAVE_VISIBILITY)
 486     if (LWS_HAVE_VISIBILITY)
 487                 set(VISIBILITY_FLAG -fvisibility=hidden)
 488     endif()
 489     if (UNIX)
 490                set(CMAKE_C_FLAGS "-Wall -Werror ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 491     else(UNIX)
 492                set(CMAKE_C_FLAGS "-Wall ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
 493     endif(UNIX)
 494 endif ()
 495
 496 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
 497     if (UNIX)
 498         # jeez clang understands -pthread but dies if he sees it at link time!
 499         # http://stackoverflow.com/questions/2391194/what-is-gs-pthread-equiv-in-clang
 500         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
 501     endif()
 502 endif()
 503
 504 if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 505         # otherwise osx blows a bunch of openssl deprecated api errors
 506         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
 507 endif()
 508
 509 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 510 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 511 source_group("Sources"          FILES ${SOURCES})
 512
 513 #
 514 # Create the lib.
 515 #
 516 set(LWS_LIBRARIES)
 517
 518 if (LWS_WITH_STATIC)
 519         add_library(websockets STATIC
 520                                 ${HDR_PRIVATE}
 521                                 ${HDR_PUBLIC}
 522                                 ${SOURCES})
 523         list(APPEND LWS_LIBRARIES websockets)
 524
 525         if (WIN32)
 526                 # Windows uses the same .lib ending for static libraries and shared
 527                 # library linker files, so rename the static library.
 528                 set_target_properties(websockets
 529                         PROPERTIES
 530                         OUTPUT_NAME websockets_static)
 531         endif()
 532 endif()
 533
 534 if (LWS_WITH_SHARED)
 535         add_library(websockets_shared SHARED
 536                                 ${HDR_PRIVATE}
 537                                 ${HDR_PUBLIC}
 538                                 ${SOURCES})
 539         list(APPEND LWS_LIBRARIES websockets_shared)
 540
 541         # We want the shared lib to be named "libwebsockets"
 542         # not "libwebsocket_shared".
 543         set_target_properties(websockets_shared
 544                 PROPERTIES
 545                 OUTPUT_NAME websockets)
 546
 547         if (WIN32)
 548                 # Compile as DLL (export function declarations)
 549                 set_property(
 550                         TARGET websockets_shared
 551                         PROPERTY COMPILE_DEFINITIONS
 552                         LWS_DLL
 553                         LWS_INTERNAL)
 554         endif()
 555
 556         if (APPLE)
 557                 set_property(TARGET websockets_shared PROPERTY MACOSX_RPATH YES)
 558         endif()
 559 endif()
 560
 561 # Set the so version of the lib.
 562 # Equivalent to LDFLAGS=-version-info x:x:x
 563 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 564         foreach(lib ${LWS_LIBRARIES})
 565                 set_target_properties(${lib}
 566                         PROPERTIES
 567                         SOVERSION ${SOVERSION})
 568         endforeach()
 569 endif()
 570
 571 set(LIB_LIST)
 572
 573 #
 574 # Find libraries.
 575 #
 576
 577 #
 578 # ZLIB (Only needed for deflate extensions).
 579 #
 580 if (LWS_WITH_ZLIB)
 581         if (LWS_USE_BUNDLED_ZLIB)
 582                 if (WIN32)
 583                         set(WIN32_ZLIB_PATH "win32port/zlib")
 584                         set(ZLIB_SRCS
 585                                 ${WIN32_ZLIB_PATH}/adler32.c
 586                                 ${WIN32_ZLIB_PATH}/compress.c
 587                                 ${WIN32_ZLIB_PATH}/crc32.c
 588                                 ${WIN32_ZLIB_PATH}/deflate.c
 589                                 ${WIN32_ZLIB_PATH}/gzclose.c
 590                                 ${WIN32_ZLIB_PATH}/gzio.c
 591                                 ${WIN32_ZLIB_PATH}/gzlib.c
 592                                 ${WIN32_ZLIB_PATH}/gzread.c
 593                                 ${WIN32_ZLIB_PATH}/gzwrite.c
 594                                 ${WIN32_ZLIB_PATH}/infback.c
 595                                 ${WIN32_ZLIB_PATH}/inffast.c
 596                                 ${WIN32_ZLIB_PATH}/inflate.c
 597                                 ${WIN32_ZLIB_PATH}/inftrees.c
 598                                 ${WIN32_ZLIB_PATH}/trees.c
 599                                 ${WIN32_ZLIB_PATH}/uncompr.c
 600                                 ${WIN32_ZLIB_PATH}/zutil.c)
 601                         add_library(zlib_internal STATIC ${ZLIB_SRCS})
 602                         set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 603                         get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
 604                         set(ZLIB_FOUND 1)
 605                         # Make sure zlib_internal is compiled before the libs.
 606                         foreach (lib ${LWS_LIBRARIES})
 607                                 add_dependencies(${lib} zlib_internal)
 608                         endforeach()
 609                 else()
 610                         message(FATAL_ERROR "Don't have bundled zlib for that platform")
 611                 endif()
 612         elseif (NOT ZLIB_FOUND)
 613                 find_package(ZLIB REQUIRED)
 614         endif()
 615         message("zlib include dirs: ${ZLIB_INCLUDE_DIRS}")
 616         message("zlib libraries: ${ZLIB_LIBRARIES}")
 617         include_directories(${ZLIB_INCLUDE_DIRS})
 618         list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
 619 endif()
 620
 621 #
 622 # OpenSSL
 623 #
 624 if (LWS_WITH_SSL)
 625         message("Compiling with SSL support")
 626
 627         if (LWS_USE_WOLFSSL)
 628                 # Use wolfSSL as OpenSSL replacement.
 629                 # TODO: Add a find_package command for this also.
 630                 message("wolfSSL include dir: ${WOLFSSL_INCLUDE_DIRS}")
 631                 message("wolfSSL libraries: ${WOLFSSL_LIBRARIES}")
 632
 633                 # Additional to the root directory we need to include
 634                 # the wolfssl/ subdirectory which contains the OpenSSL
 635                 # compatibility layer headers.
 636
 637                 if (LWS_USE_CYASSL)
 638                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 639                                 include_directories("${inc}" "${inc}/cyassl")
 640                         endforeach()
 641                 else()
 642                         foreach(inc ${WOLFSSL_INCLUDE_DIRS})
 643                                 include_directories("${inc}" "${inc}/wolfssl")
 644                         endforeach()
 645                 endif()
 646
 647                 list(APPEND LIB_LIST "${WOLFSSL_LIBRARIES}")
 648         else()
 649                 if (NOT OPENSSL_FOUND)
 650                         # TODO: Add support for STATIC also.
 651                         find_package(OpenSSL REQUIRED)
 652                         set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
 653                 endif()
 654
 655                 message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIRS}")
 656                 message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 657
 658                 include_directories("${OPENSSL_INCLUDE_DIRS}")
 659                 list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
 660         endif()
 661 endif(LWS_WITH_SSL)
 662
 663 if (LWS_WITH_LIBEV)
 664         if (NOT LIBEV_FOUND)
 665                 find_path(LIBEV_INCLUDE_DIRS NAMES ev.h)
 666                 find_library(LIBEV_LIBRARIES NAMES ev)
 667                 if(LIBEV_INCLUDE_DIRS AND LIBEV_LIBRARIES)
 668                         set(LIBEV_FOUND 1)
 669                 endif()
 670         endif()
 671         message("libev include dir: ${LIBEV_INCLUDE_DIRS}")
 672         message("libev libraries: ${LIBEV_LIBRARIES}")
 673         include_directories("${LIBEV_INCLUDE_DIRS}")
 674         list(APPEND LIB_LIST ${LIBEV_LIBRARIES})
 675 endif(LWS_WITH_LIBEV)
 676
 677 #
 678 # Platform specific libs.
 679 #
 680 if (WINCE)
 681         list(APPEND LIB_LIST ws2.lib)
 682 elseif (WIN32)
 683         list(APPEND LIB_LIST ws2_32.lib)
 684 endif()
 685
 686 if (UNIX)
 687         list(APPEND LIB_LIST m)
 688 endif()
 689
 690 # Setup the linking for all libs.
 691 foreach (lib ${LWS_LIBRARIES})
 692         target_link_libraries(${lib} ${LIB_LIST})
 693 endforeach()
 694
 695 #
 696 # Test applications
 697 #
 698 set(TEST_APP_LIST)
 699 if (NOT LWS_WITHOUT_TESTAPPS)
 700         #
 701         # Helper function for adding a test app.
 702         #
 703         macro(create_test_app TEST_NAME MAIN_SRC S2 S3 S4)
 704
 705                 set(TEST_SRCS ${MAIN_SRC})
 706                 set(TEST_HDR)
 707                 if ("${S2}" STREQUAL "")
 708                 else()
 709                         list(APPEND TEST_SRCS ${S2})
 710                 endif()
 711                 if ("${S3}" STREQUAL "")
 712                 else()
 713                         list(APPEND TEST_SRCS ${S3})
 714                 endif()
 715                 if ("${S4}" STREQUAL "")
 716                 else()
 717                         list(APPEND TEST_SRCS ${S4})
 718                 endif()
 719                 if (WIN32)
 720                         list(APPEND TEST_SRCS
 721                                 ${WIN32_HELPERS_PATH}/getopt.c
 722                                 ${WIN32_HELPERS_PATH}/getopt_long.c
 723                                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 724                         )
 725
 726                         list(APPEND TEST_HDR
 727                                 ${WIN32_HELPERS_PATH}/getopt.h
 728                                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 729                         )
 730                 endif(WIN32)
 731
 732                 source_group("Headers Private"   FILES ${TEST_HDR})
 733                 source_group("Sources"   FILES ${TEST_SRCS})
 734                 add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 735
 736                 if (LWS_LINK_TESTAPPS_DYNAMIC)
 737                         if (NOT LWS_WITH_SHARED)
 738                                 message(FATAL_ERROR "Build of the shared library is disabled. LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_SHARED.")
 739                         endif()
 740                         target_link_libraries(${TEST_NAME} websockets_shared)
 741                         add_dependencies(${TEST_NAME} websockets_shared)
 742                 else()
 743                         if (NOT LWS_WITH_STATIC)
 744                                 message(FATAL_ERROR "Build of the static library is disabled. Disabled LWS_LINK_TESTAPPS_DYNAMIC must be combined with LWS_WITH_STATIC.")
 745                         endif()
 746                         target_link_libraries(${TEST_NAME} websockets)
 747                         add_dependencies(${TEST_NAME} websockets)
 748                 endif()
 749
 750                 # Set test app specific defines.
 751                 set_property(TARGET ${TEST_NAME}
 752                                         PROPERTY COMPILE_DEFINITIONS
 753                                                 INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 754                                         )
 755
 756                 # Prefix the binary names with libwebsockets.
 757                 set_target_properties(${TEST_NAME}
 758                         PROPERTIES
 759                         OUTPUT_NAME libwebsockets-${TEST_NAME})
 760
 761                 # Add to the list of tests.
 762                 list(APPEND TEST_APP_LIST ${TEST_NAME})
 763         endmacro()
 764
 765         if (LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 766                 message("Searching for OpenSSL executable and dlls")
 767                 find_package(OpenSSLbins)
 768                 message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
 769         endif()
 770
 771         if (NOT LWS_WITHOUT_SERVER)
 772                 #
 773                 # test-server
 774                 #
 775                 if (NOT LWS_WITHOUT_TEST_SERVER)
 776                         create_test_app(test-server "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
 777                         if (UNIX AND NOT ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
 778                                 create_test_app(test-server-pthreads "test-server/test-server-pthreads.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
 779                         endif()
 780                 endif()
 781
 782                 #
 783                 # test-server-extpoll
 784                 #
 785                 if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
 786                         create_test_app(test-server-extpoll "test-server/test-server.c" "test-server/test-server-http.c" "test-server/test-server-dumb-increment.c" "test-server/test-server-mirror.c")
 787                         # Set defines for this executable only.
 788                         set_property(
 789                                 TARGET test-server-extpoll
 790                                 PROPERTY COMPILE_DEFINITIONS
 791                                         EXTERNAL_POLL
 792                                         INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
 793                                 )
 794
 795                         # We need to link against winsock code.
 796                         if (WIN32)
 797                                 target_link_libraries(test-server-extpoll ws2_32.lib)
 798                         endif(WIN32)
 799                 endif()
 800
 801                 # Data files for running the test server.
 802                 set(TEST_SERVER_DATA
 803                         "${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
 804                         "${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
 805                         "${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
 806                         "${PROJECT_SOURCE_DIR}/test-server/test.html")
 807
 808                 # Generate self-signed SSL certs for the test-server.
 809                 if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
 810                         message("Generating SSL Certificates for the test-server...")
 811
 812                         set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
 813                         set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
 814
 815                         if (WIN32)
 816                                 if (MINGW)
 817                                         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 \"${TEST_SERVER_SSL_CERT}\"")
 818                                         execute_process(
 819                                                 COMMAND "${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}"
 820                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE)
 821                                 else()
 822                                         file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
 823                                                 "GB\n"
 824                                                 "Erewhon\n"
 825                                                 "All around\n"
 826                                                 "libwebsockets-test\n"
 827                                                 "localhost\n"
 828                                                 "none@invalid.org\n\n"
 829                                                 )
 830
 831                                         # The "type" command is a bit picky with paths.
 832                                         file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
 833                                         message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
 834                                         message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
 835
 836                                         execute_process(
 837                                                 COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
 838                                                 COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 839                                                 RESULT_VARIABLE OPENSSL_RETURN_CODE
 840                                                 OUTPUT_QUIET ERROR_QUIET)
 841
 842                                         message("\n")
 843                                 endif()
 844
 845                                 if (OPENSSL_RETURN_CODE)
 846                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 847                                 else()
 848                                         message("SUCCSESFULLY generated SSL certificate")
 849                                 endif()
 850                         else()
 851                                 # Unix.
 852                                 execute_process(
 853                                         COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
 854                                         COMMAND "${OPENSSL_EXECUTABLE}"
 855                                                 req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
 856                                         RESULT_VARIABLE OPENSSL_RETURN_CODE
 857                                         OUTPUT_QUIET ERROR_QUIET)
 858
 859                                 if (OPENSSL_RETURN_CODE)
 860                                         message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
 861                                 else()
 862                                         message("SUCCESSFULLY generated SSL certificate")
 863                                 endif()
 864                         endif()
 865
 866                         list(APPEND TEST_SERVER_DATA
 867                                 "${TEST_SERVER_SSL_KEY}"
 868                                 "${TEST_SERVER_SSL_CERT}")
 869                 endif()
 870
 871                 add_custom_command(TARGET test-server
 872                                                 POST_BUILD
 873                                                 COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
 874
 875                 # Copy the file needed to run the server so that the test apps can
 876                 # reach them from their default output location
 877                 foreach (TEST_FILE ${TEST_SERVER_DATA})
 878                         if (EXISTS ${TEST_FILE})
 879                                 add_custom_command(TARGET test-server
 880                                                         POST_BUILD
 881                                                         COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
 882                         endif()
 883                 endforeach()
 884         endif(NOT LWS_WITHOUT_SERVER)
 885
 886         if (NOT LWS_WITHOUT_CLIENT)
 887                 #
 888                 # test-client
 889                 #
 890                 if (NOT LWS_WITHOUT_TEST_CLIENT)
 891                         create_test_app(test-client "test-server/test-client.c" "" "" "")
 892                 endif()
 893
 894                 #
 895                 # test-fraggle
 896                 #
 897                 if (NOT LWS_WITHOUT_TEST_FRAGGLE)
 898                         create_test_app(test-fraggle "test-server/test-fraggle.c" "" "" "")
 899                 endif()
 900
 901                 #
 902                 # test-ping
 903                 #
 904                 if (NOT LWS_WITHOUT_TEST_PING)
 905                         create_test_app(test-ping "test-server/test-ping.c" "" "" "")
 906                 endif()
 907                 #
 908                 # test-echo
 909                 #
 910                 if (NOT WITHOUT_TEST_ECHO)
 911                         create_test_app(test-echo "test-server/test-echo.c" "" "" "")
 912                 endif()
 913
 914         endif(NOT LWS_WITHOUT_CLIENT)
 915
 916         #
 917         # Copy OpenSSL dlls to the output directory on Windows.
 918         # (Otherwise we'll get an error when trying to run)
 919         #
 920         if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_WOLFSSL)
 921                 if(OPENSSL_BIN_FOUND)
 922                         message("OpenSSL dlls found:")
 923                         message("  Libeay: ${LIBEAY_BIN}")
 924                         message("  SSLeay: ${SSLEAY_BIN}")
 925
 926                         foreach(TARGET_BIN ${TEST_APP_LIST})
 927                                 add_custom_command(TARGET ${TARGET_BIN}
 928                                         POST_BUILD
 929                                         COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
 930                                 add_custom_command(TARGET ${TARGET_BIN}
 931                                         POST_BUILD
 932                                         COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
 933                         endforeach()
 934                 endif()
 935         endif()
 936 endif(NOT LWS_WITHOUT_TESTAPPS)
 937
 938 if (UNIX)
 939         # Generate documentation.
 940         # TODO: Fix this on Windows.
 941         message("Generating API documentation")
 942         file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
 943         execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
 944
 945         execute_process(
 946                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
 947                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
 948                 ERROR_QUIET)
 949
 950         execute_process(
 951                 COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
 952                 OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
 953                 ERROR_QUIET)
 954
 955 # Generate and install pkgconfig.
 956 # (This is not indented, because the tabs will be part of the output)
 957 file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
 958 "prefix=\"${CMAKE_INSTALL_PREFIX}\"
 959 exec_prefix=\${prefix}
 960 libdir=\${exec_prefix}/lib${LIB_SUFFIX}
 961 includedir=\${prefix}/include
 962
 963 Name: libwebsockets
 964 Description: Websockets server and client library
 965 Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}
 966
 967 Libs: -L\${libdir} -lwebsockets
 968 Cflags: -I\${includedir}"
 969 )
 970
 971         install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
 972                 DESTINATION lib${LIB_SUFFIX}/pkgconfig)
 973 endif(UNIX)
 974
 975 #
 976 # Installation preparations.
 977 #
 978
 979 if(WIN32 AND NOT CYGWIN)
 980   set(DEF_INSTALL_CMAKE_DIR cmake)
 981 else()
 982   set(DEF_INSTALL_CMAKE_DIR lib/cmake/libwebsockets)
 983 endif()
 984
 985 set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
 986
 987 # Export targets (This is used for other CMake projects to easily find the libraries and include files).
 988 export(TARGETS ${LWS_LIBRARIES}
 989         FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
 990 export(PACKAGE libwebsockets)
 991
 992 # Generate the config file for the build-tree.
 993 set(LWS__INCLUDE_DIRS
 994     "${PROJECT_SOURCE_DIR}/lib"
 995     "${PROJECT_BINARY_DIR}")
 996 set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
 997 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
 998                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
 999                 @ONLY)
1000
1001 # Generate the config file for the installation tree.
1002 get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
1003 get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
1004 file(RELATIVE_PATH
1005     REL_INCLUDE_DIR
1006     "${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
1007     "${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
1008
1009 # Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
1010 # we escape it here so it's evaluated when it is included instead
1011 # so that the include dirs are given relative to where the
1012 # config file is located.
1013 set(LWS__INCLUDE_DIRS
1014     "\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
1015 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
1016                 ${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
1017                 @ONLY)
1018
1019 # Generate version info for both build-tree and install-tree.
1020 configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
1021                 ${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
1022                 @ONLY)
1023
1024                         set_target_properties(${LWS_LIBRARIES}
1025                                         PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
1026
1027 #
1028 # Installation.
1029 #
1030
1031 # Install libs and headers.
1032 install(TARGETS ${LWS_LIBRARIES}
1033                 EXPORT LibwebsocketsTargets
1034                 LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1035                 ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
1036                 RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
1037                 PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
1038 set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
1039 set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
1040
1041 # Install test apps.
1042 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
1043         install(TARGETS test-client ${TEST_APP_LIST}
1044                         RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
1045                         COMPONENT examples)
1046         set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
1047 endif()
1048
1049 # Programs shared files used by the test-server.
1050 if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
1051         install(FILES ${TEST_SERVER_DATA}
1052                         DESTINATION share/libwebsockets-test-server
1053                         COMPONENT examples)
1054 endif()
1055
1056 # Install the LibwebsocketsConfig.cmake and LibwebsocketsConfigVersion.cmake
1057 install(FILES
1058                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake"
1059                "${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake"
1060                DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
1061
1062 # build subdir is not part of sources
1063 set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
1064
1065 # Most people are more used to "make dist" compared to "make package_source"
1066 add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
1067
1068 include(UseRPMTools)
1069 if (RPMTools_FOUND)
1070         RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
1071 endif()
1072
1073 message("---------------------------------------------------------------------")
1074 message("  Settings:  (For more help do cmake -LH <srcpath>)")
1075 message("---------------------------------------------------------------------")
1076 message(" LWS_WITH_STATIC = ${LWS_WITH_STATIC}")
1077 message(" LWS_WITH_SHARED = ${LWS_WITH_SHARED}")
1078 message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
1079 message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
1080 message(" LWS_USE_WOLFSSL = ${LWS_USE_WOLFSSL} (wolfSSL/CyaSSL replacement for OpenSSL)")
1081 if (LWS_USE_WOLFSSL)
1082         message("   LWS_WOLFSSL_LIBRARIES = ${LWS_WOLFSSL_LIBRARIES}")
1083         message("   LWS_WOLFSSL_INCLUDE_DIRS = ${LWS_WOLFSSL_INCLUDE_DIRS}")
1084 endif()
1085 message(" LWS_WITHOUT_BUILTIN_SHA1 = ${LWS_WITHOUT_BUILTIN_SHA1}")
1086 message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
1087 message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
1088 message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
1089 message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
1090 message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
1091 message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
1092 message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
1093 message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
1094 message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
1095 message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
1096 message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
1097 message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
1098 message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
1099 message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
1100 message(" LWS_IPV6 = ${LWS_IPV6}")
1101 message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
1102 message(" LWS_MBED3 = ${LWS_MBED3}")
1103 message(" LWS_WITH_OLD_API_WRAPPERS = ${LWS_WITH_OLD_API_WRAPPERS}")
1104 message("---------------------------------------------------------------------")
1105
1106 # These will be available to parent projects including libwebsockets using add_subdirectory()
1107 set(LIBWEBSOCKETS_LIBRARIES ${LWS_LIBRARIES} CACHE STRING "Libwebsocket libraries")
1108 if (LWS_WITH_STATIC)
1109         set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
1110 endif()
1111 if (LWS_WITH_SHARED)
1112         set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
1113 endif()
1114
1115 # This must always be last!
1116 include(CPack)