CMakeLists.txt

   1 cmake_minimum_required(VERSION 2.6)
   2
   3 project(libwebsockets)
   4
   5 set(PACKAGE "libwebsockets")
   6 set(PACKAGE_VERSION "1.1")
   7 set(PACKAGE_BUGREPORT "andy@warmcat.com")
   8 set(PACKAGE_NAME "${PACKAGE}")
   9 set(PACKAGE_STRING "${PACKAGE} ${PACKAGE_VERSION}")
  10 set(PACKAGE_TARNAME "${PACKAGE}")
  11 set(PACKAGE_URL "http://libwebsockets.org")
  12 set(VERSION "{PACKAGE_VERSION}")
  13
  14 option(WITH_SSL "Include SSL support (default OpenSSL, CyaSSL if USE_CYASSL is set)" ON)
  15 option(USE_INCLUDED_WIN32_ZLIB "Use the internal version of ZLib instead of searching the system" ON)
  16 option(USE_CYASSL "Use CyaSSL replacement for OpenSSL" OFF)
  17 option(WITH_BUILTIN_GETIFADDRS "Use BSD getifaddrs implementation from libwebsockets... default is your libc provides it" OFF)
  18 option(WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
  19 option(WITHOUT_CLIENT "Don't build the client part of the library" OFF)
  20 option(WITHOUT_SERVER "Don't build the server part of the library" OFF)
  21 option(WITH_LIBCRYPTO "Use libcrypto MD5 and SHA1 implementations" ON)
  22 option(WITHOUT_PING "Don't build the ping test application" OFF)
  23 option(WITHOUT_DEBUG "Don't compile debug related code" OFF)
  24
  25 set(CYASSL_LIB ON CACHE STRING "")
  26 set(CYASSL_INCLUDE_DIRS ON CACHE STRING "")
  27
  28 if (USE_CYASSL)
  29         if (NOT CYASSL_LIB OR NOT CYASSL_INCLUDE_DIRS)
  30                 error("You must set CYASSL_LIB and CYASSL_INCLUDE_DIRS when USE_CYASSL is turned on")
  31         endif()
  32 endif()
  33
  34 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
  35 include_directories(${PROJECT_BINARY_DIR})
  36
  37 include(CheckFunctionExists)
  38 include(CheckIncludeFile)
  39 include(CheckIncludeFiles)
  40 include(CheckLibraryExists)
  41
  42 CHECK_FUNCTION_EXISTS(bzero HAVE_BZERO)
  43 CHECK_FUNCTION_EXISTS(fork HAVE_FORK)
  44 CHECK_FUNCTION_EXISTS(malloc HAVE_MALLOC)
  45 CHECK_FUNCTION_EXISTS(memset HAVE_MEMSET)
  46 CHECK_FUNCTION_EXISTS(realloc HAVE_REALLOC)
  47 CHECK_FUNCTION_EXISTS(socket HAVE_SOCKET)
  48 CHECK_FUNCTION_EXISTS(strerror HAVE_STRERROR)
  49 CHECK_FUNCTION_EXISTS(vfork HAVE_VFORK)
  50 CHECK_FUNCTION_EXISTS(getifaddrs HAVE_GETIFADDRS)
  51
  52 CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
  53 CHECK_INCLUDE_FILE(fcntl.h HAVE_FCNTL_H)
  54 CHECK_INCLUDE_FILE(inttypes.h HAVE_INTTYPES_H)
  55 CHECK_INCLUDE_FILE(memory.h HAVE_MEMORY_H)
  56 CHECK_INCLUDE_FILE(netinet/in.h HAVE_NETINET_IN_H)
  57 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
  58 CHECK_INCLUDE_FILE(stdlib.h HAVE_STDLIB_H)
  59 CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
  60 CHECK_INCLUDE_FILE(string.h HAVE_STRING_H)
  61 CHECK_INCLUDE_FILE(sys/prctl.h HAVE_SYS_PRCTL_H)
  62 CHECK_INCLUDE_FILE(sys/socket.h HAVE_SYS_SOCKET_H)
  63 CHECK_INCLUDE_FILE(sys/stat.h HAVE_SYS_STAT_H)
  64 CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
  65 CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
  66 CHECK_INCLUDE_FILE(vfork.h HAVE_VFORK_H)
  67 CHECK_INCLUDE_FILE(zlib.h HAVE_ZLIB_H)
  68
  69 # TODO: These can be tested if they actually work also...
  70 set(HAVE_WORKING_FORK HAVE_FORK)
  71 set(HAVE_WORKING_VFORK HAVE_VFORK)
  72
  73 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
  74
  75 if (NOT HAVE_SYS_TYPES_H)
  76         set(pid_t int)
  77         set(size_t "unsigned int")
  78 endif()
  79
  80 if (NOT HAVE_MALLOC)
  81         set(malloc rpl_malloc)
  82 endif()
  83
  84 if (NOT HAVE_REALLOC)
  85         set(realloc rpl_realloc)
  86 endif()
  87
  88 if (WITH_SSL)
  89         set(LWS_OPENSSL_SUPPORT)
  90 endif()
  91
  92 # Generate the config.h that includes all the compilation settings.
  93 configure_file(
  94                 ${PROJECT_SOURCE_DIR}/config.h.cmake
  95                 ${PROJECT_BINARY_DIR}/config.h)
  96
  97 set(LIB_LIST)
  98
  99 if (MSVC)
 100         # Turn off stupid microsoft security warnings.
 101         add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 102 endif()
 103
 104 if (WIN32)
 105         # For windows, do not allow the compiler to use default target (Vista).
 106         add_definitions(-D_WIN32_WINNT=0x0501)
 107 endif(WIN32)
 108
 109 # Group headers and sources.
 110 # Some IDEs use this for nicer file structure.
 111 set(HDR_PRIVATE
 112         lib/private-libwebsockets.h
 113         lib/extension-deflate-frame.h
 114         lib/lib/extension-deflate-stream.h)
 115
 116 set(HDR_PUBLIC
 117         lib/libwebsockets.h
 118         )
 119
 120 set(SOURCES
 121         lib/base64-decode.c
 122         lib/client.c
 123         lib/client-handshake.c
 124         lib/client-parser.c
 125         lib/daemonize.c
 126         lib/extension.c
 127         lib/extension-deflate-frame.c
 128         lib/extension-deflate-stream.c
 129         lib/handshake.c
 130         lib/libwebsockets.c
 131         lib/minilex.c
 132         lib/output.c
 133         lib/parsers.c
 134         lib/server.c
 135         lib/server-handshake.c
 136         lib/sha-1.c
 137         )
 138
 139 # Add helper files for Windows.
 140 if (WIN32)
 141         set(WIN32_HELPERS_PATH ${PROJECT_SOURCE_DIR}/win32port/win32helpers)
 142
 143         list(APPEND HDR_PRIVATE
 144                 ${WIN32_HELPERS_PATH}/websock-w32.h
 145                 ${WIN32_HELPERS_PATH}/gettimeofday.h
 146                 )
 147
 148         list(APPEND SOURCES
 149                 ${WIN32_HELPERS_PATH}/websock-w32.c
 150                 ${WIN32_HELPERS_PATH}/gettimeofday.c
 151                 )
 152 endif()
 153
 154 if (UNIX)
 155         if (!WITH_BUILTIN_GETIFADDRS)
 156                 list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 157                 list(APPEND SOURCES lib/getifaddrs.c)
 158         endif()
 159 endif()
 160
 161 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 162 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 163 source_group("Sources"          FILES ${SOURCES})
 164
 165 #
 166 # Create the lib.
 167 #
 168 add_library(websocket STATIC
 169                         ${HDR_PRIVATE}
 170                         ${HDR_PUBLIC}
 171                         ${SOURCES})
 172
 173 #
 174 # Find libraries.
 175 #
 176
 177 #
 178 # ZLIB.
 179 #
 180 if (WIN32 AND USE_INCLUDED_WIN32_ZLIB)
 181         # Compile ZLib if needed.
 182         if (USE_INCLUDED_WIN32_ZLIB)
 183                 set(WIN32_ZLIB_PATH "${PROJECT_SOURCE_DIR}/win32port/zlib")
 184                 set(ZLIB_SRCS
 185                         ${WIN32_ZLIB_PATH}/adler32.c
 186                         ${WIN32_ZLIB_PATH}/compress.c
 187                         ${WIN32_ZLIB_PATH}/crc32.c
 188                         ${WIN32_ZLIB_PATH}/deflate.c
 189                         ${WIN32_ZLIB_PATH}/gzclose.c
 190                         ${WIN32_ZLIB_PATH}/gzio.c
 191                         ${WIN32_ZLIB_PATH}/gzlib.c
 192                         ${WIN32_ZLIB_PATH}/gzread.c
 193                         ${WIN32_ZLIB_PATH}/gzwrite.c
 194                         ${WIN32_ZLIB_PATH}/infback.c
 195                         ${WIN32_ZLIB_PATH}/inffast.c
 196                         ${WIN32_ZLIB_PATH}/inflate.c
 197                         ${WIN32_ZLIB_PATH}/inftrees.c
 198                         ${WIN32_ZLIB_PATH}/trees.c
 199                         ${WIN32_ZLIB_PATH}/uncompr.c
 200                         ${WIN32_ZLIB_PATH}/zutil.c
 201                 )
 202
 203                 # Create the library.
 204                 add_library(zlib STATIC ${ZLIB_SRCS})
 205
 206                 # Set the same variables as find_package would.
 207                 set(${ZLIB_INCLUDE_DIRS} ${WIN32_ZLIB_PATH})
 208                 get_property(ZLIB_LIBRARIES TARGET zlib PROPERTY LOCATION)
 209                 set(ZLIB_FOUND 1)
 210         endif()
 211 else()
 212         find_package(zlib REQUIRED)
 213 endif()
 214
 215 include_directories(${ZLIB_INCLUDE_DIRS})
 216 target_link_libraries(websocket ${ZLIB_LIBRARIES})
 217
 218 #
 219 # OpenSSL
 220 #
 221 if (WITH_SSL)
 222         if (USE_CYASSL)
 223                 # Use CyaSSL as OpenSSL replacement.
 224                 set(OPENSSL_LIBRARIES ${CYASSL_LIB})
 225                 set(OPENSSL_INCLUDE_DIRS ${CYASSL_INCLUDE_DIRS})
 226                 set(OPENSSL_FOUND 1)
 227         else()
 228                 # TODO: Add support for STATIC also.
 229                 find_package(OpenSSL REQUIRED)
 230         endif()
 231
 232         include_directories(${OPENSSL_INCLUDE_DIR})
 233         target_link_libraries(websocket ${OPENSSL_LIBRARIES})
 234 endif()
 235
 236