CMakeLists.txt - platform/external/libwebsockets - Git at Google

 cmake_minimum_required(VERSION 2.6)

 project(libwebsockets)

 set(PACKAGE "libwebsockets")
 set(PACKAGE_VERSION "1.2")
 set(PACKAGE_BUGREPORT "andy@warmcat.com")
 set(PACKAGE_NAME "${PACKAGE}")
 set(PACKAGE_STRING "${PACKAGE} ${PACKAGE_VERSION}")
 set(PACKAGE_TARNAME "${PACKAGE}")
 set(PACKAGE_URL "http://libwebsockets.org")
 set(VERSION "{PACKAGE_VERSION}")

 set(LWS_LIBRARY_VERSION ${PACKAGE_VERSION})

 # Try to find the current Git hash.
 find_package(Git)
 if(GIT_EXECUTABLE)
 	execute_process(
     COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
     OUTPUT_VARIABLE GIT_HASH
     OUTPUT_STRIP_TRAILING_WHITESPACE
     )

     set(LWS_BUILD_HASH ${GIT_HASH})
     message("Git commit hash: ${LWS_BUILD_HASH}")
 endif()

 option(WITH_SSL "Include SSL support (default OpenSSL, CyaSSL if USE_CYASSL is set)" ON)
 option(USE_EXTERNAL_ZLIB "Search the system for ZLib instead of using the included one (on Windows)" OFF)
 option(USE_CYASSL "Use CyaSSL replacement for OpenSSL. When settings this, you also need to specify CYASSL_LIB and CYASSL_INCLUDE_DIRS" OFF)
 option(WITH_BUILTIN_GETIFADDRS "Use BSD getifaddrs implementation from libwebsockets... default is your libc provides it" OFF)
 option(WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
 option(WITHOUT_CLIENT "Don't build the client part of the library" OFF)
 option(WITHOUT_SERVER "Don't build the server part of the library" OFF)
 option(WITHOUT_SERVER_EXTPOLL "Don't build a server version that uses external poll" OFF)
 option(WITH_LIBCRYPTO "Use libcrypto MD5 and SHA1 implementations" ON)
 option(WITHOUT_PING "Don't build the ping test application" OFF)
 option(WITHOUT_DEBUG "Don't compile debug related code" OFF)
 option(WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
 option(WITH_LATENCY "Build latency measuring code into the library" OFF)
 option(WITHOUT_DAEMONIZE "Don't build the daemonization api" OFF)

 # The base dir where the SSL dirs should be looked for.
 set(SSL_CERT_DIR CACHE STRING "")
 set(SSL_CLIENT_CERT_DIR CACHE STRING "")

 if ("${SSL_CERT_DIR}" STREQUAL "")
 	set(SSL_CERT_DIR ".")
 endif()

 if ("${SSL_CLIENT_CERT_DIR}" STREQUAL "")
 	set(LWS_OPENSSL_CLIENT_CERTS ".")
 else()
 	set(LWS_OPENSSL_CLIENT_CERTS "${SSL_CLIENT_CERT_DIR}")
 endif()

 set(CYASSL_LIB CACHE STRING "")
 set(CYASSL_INCLUDE_DIRS CACHE STRING "")

 if (USE_CYASSL)
 	if ("${CYASSL_LIB}" STREQUAL "" OR "${CYASSL_INCLUDE_DIRS}" STREQUAL "")
 		message(FATAL_ERROR "You must set CYASSL_LIB and CYASSL_INCLUDE_DIRS when USE_CYASSL is turned on")
 	endif()
 endif()

 if (WITHOUT_EXTENSIONS)
 	set(LWS_NO_EXTENSIONS 1)
 endif()

 if (WITH_SSL)
 	set(LWS_OPENSSL_SUPPORT 1)
 endif()

 if (WITH_LATENCY)
 	set(LWS_LATENCY 1)
 endif()

 if (WITHOUT_DAEMONIZE)
 	set(LWS_NO_DAEMONIZE 1)
 endif()

 if (WITHOUT_SERVER)
 	set(LWS_NO_SERVER 1)
 endif()

 if (WITHOUT_CLIENT)
 	set(LWS_NO_CLIENT 1)
 endif()

 if (MINGW)
 	set(LWS_MINGW_SUPPORT 1)
 endif()

 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
 include_directories(${PROJECT_BINARY_DIR})

 include(CheckCSourceCompiles)

 # Check for different inline keyword versions.
 foreach(KEYWORD "inline" "__inline__" "__inline")
 	set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
 	CHECK_C_SOURCE_COMPILES(
 		"
 		#include <stdio.h>
 		KEYWORD void a() {}
 		int main(int argc, char **argv) { a(); return 0; }
 		" HAVE_${KEYWORD})
 endforeach()

 if (NOT HAVE_inline)
 	if (HAVE___inline__)
 		set(inline __inline__)
 	elseif(HAVE___inline)
 		set(inline __inline)
 	endif()
 endif()

 # Put the libaries and binaries that get built into directories at the
 # top of the build tree rather than in hard-to-find leaf directories.
 SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)

 # So we can include the CMake generated config file only when
 # building with CMAKE.
 add_definitions(-DCMAKE_BUILD)

 include(CheckFunctionExists)
 include(CheckIncludeFile)
 include(CheckIncludeFiles)
 include(CheckLibraryExists)

 CHECK_FUNCTION_EXISTS(bzero HAVE_BZERO)
 CHECK_FUNCTION_EXISTS(fork HAVE_FORK)
 CHECK_FUNCTION_EXISTS(malloc HAVE_MALLOC)
 CHECK_FUNCTION_EXISTS(memset HAVE_MEMSET)
 CHECK_FUNCTION_EXISTS(realloc HAVE_REALLOC)
 CHECK_FUNCTION_EXISTS(socket HAVE_SOCKET)
 CHECK_FUNCTION_EXISTS(strerror HAVE_STRERROR)
 CHECK_FUNCTION_EXISTS(vfork HAVE_VFORK)
 CHECK_FUNCTION_EXISTS(getifaddrs HAVE_GETIFADDRS)

 if (WITH_BUILTIN_GETIFADDRS)
 	if (HAVE_GETIFADDRS)
 		warning("getifaddrs already exists on the system, are you sure you want to build using the BSD version? (This is normally only needed on systems running uclibc)")
 	endif()
 	set(LWS_BUILTIN_GETIFADDRS 1)
 endif()

 CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
 CHECK_INCLUDE_FILE(fcntl.h HAVE_FCNTL_H)
 CHECK_INCLUDE_FILE(inttypes.h HAVE_INTTYPES_H)
 CHECK_INCLUDE_FILE(memory.h HAVE_MEMORY_H)
 CHECK_INCLUDE_FILE(netinet/in.h HAVE_NETINET_IN_H)
 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 CHECK_INCLUDE_FILE(stdlib.h HAVE_STDLIB_H)
 CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
 CHECK_INCLUDE_FILE(string.h HAVE_STRING_H)
 CHECK_INCLUDE_FILE(sys/prctl.h HAVE_SYS_PRCTL_H)
 CHECK_INCLUDE_FILE(sys/socket.h HAVE_SYS_SOCKET_H)
 CHECK_INCLUDE_FILE(sys/stat.h HAVE_SYS_STAT_H)
 CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
 CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
 CHECK_INCLUDE_FILE(vfork.h HAVE_VFORK_H)
 CHECK_INCLUDE_FILE(zlib.h HAVE_ZLIB_H)

 # TODO: These can be tested if they actually work also...
 set(HAVE_WORKING_FORK HAVE_FORK)
 set(HAVE_WORKING_VFORK HAVE_VFORK)

 CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)

 if (NOT HAVE_SYS_TYPES_H)
 	set(pid_t int)
 	set(size_t "unsigned int")
 endif()

 if (NOT HAVE_MALLOC)
 	set(malloc rpl_malloc)
 endif()

 if (NOT HAVE_REALLOC)
 	set(realloc rpl_realloc)
 endif()

 # Generate the config.h that includes all the compilation settings.
 configure_file(
 		${PROJECT_SOURCE_DIR}/config.h.cmake
 		${PROJECT_BINARY_DIR}/lws_config.h)

 set(LIB_LIST)

 if (MSVC)
 	# Turn off stupid microsoft security warnings.
 	add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
 endif()

 include_directories(${PROJECT_SOURCE_DIR}/lib)

 # Group headers and sources.
 # Some IDEs use this for nicer file structure.
 set(HDR_PRIVATE
 	lib/private-libwebsockets.h
 	lib/extension-deflate-frame.h
 	lib/extension-deflate-stream.h
 	${PROJECT_BINARY_DIR}/lws_config.h
 	)

 set(HDR_PUBLIC
 	lib/libwebsockets.h
 	)

 set(SOURCES
 	lib/base64-decode.c
 	lib/client.c
 	lib/client-handshake.c
 	lib/client-parser.c
 	lib/extension.c
 	lib/extension-deflate-frame.c
 	lib/extension-deflate-stream.c
 	lib/handshake.c
 	lib/libwebsockets.c
 	lib/minilex.c
 	lib/output.c
 	lib/parsers.c
 	lib/server.c
 	lib/server-handshake.c
 	lib/sha-1.c
 	)

 # Add helper files for Windows.
 if (WIN32)
 	set(WIN32_HELPERS_PATH win32port/win32helpers)

 	list(APPEND HDR_PRIVATE
 		${WIN32_HELPERS_PATH}/websock-w32.h
 		${WIN32_HELPERS_PATH}/gettimeofday.h
 		)

 	list(APPEND SOURCES
 		${WIN32_HELPERS_PATH}/websock-w32.c
 		${WIN32_HELPERS_PATH}/gettimeofday.c
 		)

 	include_directories(${WIN32_HELPERS_PATH})
 else()
 	# Unix.
 	if (NOT WITHOUT_DAEMONIZE)
 		list(APPEND SOURCES
 			lib/daemonize.c
 			)
 	endif()
 endif()

 if (UNIX)
 	if (!WITH_BUILTIN_GETIFADDRS)
 		list(APPEND HDR_PRIVATE lib/getifaddrs.h)
 		list(APPEND SOURCES lib/getifaddrs.c)
 	endif()
 endif()

 source_group("Headers Private"  FILES ${HDR_PRIVATE})
 source_group("Headers Public"   FILES ${HDR_PUBLIC})
 source_group("Sources"          FILES ${SOURCES})

 #
 # Create the lib.
 #
 add_library(websockets STATIC
 			${HDR_PRIVATE}
 			${HDR_PUBLIC}
 			${SOURCES})

 #
 # Find libraries.
 #

 #
 # ZLIB.
 #
 if (WIN32 AND NOT USE_EXTERNAL_ZLIB)
 	message("Using included Zlib version")

 	# Compile ZLib if needed.
 	set(WIN32_ZLIB_PATH "win32port/zlib")
 	set(ZLIB_SRCS
 		${WIN32_ZLIB_PATH}/adler32.c
 		${WIN32_ZLIB_PATH}/compress.c
 		${WIN32_ZLIB_PATH}/crc32.c
 		${WIN32_ZLIB_PATH}/deflate.c
 		${WIN32_ZLIB_PATH}/gzclose.c
 		${WIN32_ZLIB_PATH}/gzio.c
 		${WIN32_ZLIB_PATH}/gzlib.c
 		${WIN32_ZLIB_PATH}/gzread.c
 		${WIN32_ZLIB_PATH}/gzwrite.c
 		${WIN32_ZLIB_PATH}/infback.c
 		${WIN32_ZLIB_PATH}/inffast.c
 		${WIN32_ZLIB_PATH}/inflate.c
 		${WIN32_ZLIB_PATH}/inftrees.c
 		${WIN32_ZLIB_PATH}/trees.c
 		${WIN32_ZLIB_PATH}/uncompr.c
 		${WIN32_ZLIB_PATH}/zutil.c
 	)

 	# Create the library.
 	add_library(ZLIB STATIC ${ZLIB_SRCS})

 	# Set the same variables as find_package would.
 	set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
 	get_property(ZLIB_LIBRARIES TARGET ZLIB PROPERTY LOCATION)
 	set(ZLIB_FOUND 1)
 else()
 	find_package(ZLIB REQUIRED)
 endif()

 message("ZLib include dirs: ${ZLIB_INCLUDE_DIRS}")
 message("ZLib libraries: ${ZLIB_LIBRARIES}")
 include_directories(${ZLIB_INCLUDE_DIRS})
 target_link_libraries(websockets ${ZLIB_LIBRARIES})

 #
 # OpenSSL
 #
 if (WITH_SSL)
 	message("Compiling with SSL support")

 	if (USE_CYASSL)
 		# Use CyaSSL as OpenSSL replacement.
 		# TODO: Add a find_package command for this also.
 		message("CyaSSL include dir: ${CYASSL_INCLUDE_DIRS}")
 		message("CyaSSL libraries: ${CYASSL_LIB}")

 		# Additional to the root directory we need to include
 		# the cyassl/ subdirectory which contains the OpenSSL
 		# compatability layer headers.
 		foreach(inc ${CYASSL_INCLUDE_DIRS})
 			include_directories(${inc} ${inc}/cyassl)
 		endforeach()

 		target_link_libraries(websockets ${CYASSL_LIB})
 	else()
 		# TODO: Add support for STATIC also.
 		find_package(OpenSSL REQUIRED)

 		message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
 		message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")

 		include_directories(${OPENSSL_INCLUDE_DIR})
 		target_link_libraries(websockets ${OPENSSL_LIBRARIES})
 	endif()
 endif(WITH_SSL)

 #
 # Platform specific libs.
 #
 if (WIN32)
 	target_link_libraries(websockets ws2_32.lib)
 endif()

 if (UNIX)
 	target_link_libraries(websockets m)
 endif()

 #
 # Test applications
 #
 if (NOT WITHOUT_TESTAPPS)
 	#
 	# Helper function for adding a test app.
 	#
 	function(create_test_app TEST_NAME MAIN_SRC WIN32_SRCS WIN32_HDRS)

 		set(TEST_SRCS ${MAIN_SRC})
 		set(TEST_HDR)

 		if (WIN32)
 			list(APPEND TEST_SRCS
 				${WIN32_HELPERS_PATH}/getopt.c
 				${WIN32_HELPERS_PATH}/getopt_long.c
 				${WIN32_HELPERS_PATH}/gettimeofday.c
 				${WIN32_SRCS})

 			list(APPEND TEST_HDR
 				${WIN32_HELPERS_PATH}/getopt.h
 				${WIN32_HELPERS_PATH}/gettimeofday.h
 				${WIN32_HDRS})
 		endif(WIN32)

 		source_group("Headers"   FILES ${TEST_HDR})
 		source_group("Sources"   FILES ${TEST_SRCS})
 		add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
 		target_link_libraries(${TEST_NAME} websockets)

 		set_property(
 					TARGET ${TEST_NAME}
 					PROPERTY COMPILE_DEFINITIONS INSTALL_DATADIR="${SSL_CERT_DIR}"
 					)
 	endfunction()

 	#
 	# test-client
 	#
 	if (NOT WITHOUT_CLIENT)
 		create_test_app(test-client
 			"test-server/test-client.c"
 			""
 			"")
 	endif()

 	#
 	# test-server
 	#
 	if (NOT WITHOUT_SERVER)
 		create_test_app(test-server
 			"test-server/test-server.c"
 			""
 			"${WIN32_HELPERS_PATH}/netdb.h;${WIN32_HELPERS_PATH}/strings.h;${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/websock-w32.h")
 	endif()

 	#
 	# test-server-extpoll
 	#
 	if (NOT WITHOUT_SERVER AND NOT WITHOUT_SERVER_EXTPOLL)
 		create_test_app(test-server-extpoll
 			"test-server/test-server.c"
 			""
 			"${WIN32_HELPERS_PATH}/netdb.h;${WIN32_HELPERS_PATH}/strings.h;${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/websock-w32.h")

 			# Set defines for this executable only.
 			set_property(
 				TARGET test-server-extpoll
 				PROPERTY COMPILE_DEFINITIONS EXTERNAL_POLL INSTALL_DATADIR="${SSL_CERT_DIR}"
 				)
 	endif()

 	#
 	# test-fraggle
 	#
 	if (NOT WITHOUT_FRAGGLE)
 		create_test_app(test-fraggle
 			"test-server/test-fraggle.c"
 			""
 			"${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/sys/time.h")
 	endif()

 	#
 	# test-ping
 	#
 	if (NOT WITHOUT_PING)
 		create_test_app(test-ping
 			"test-server/test-ping.c"
 			""
 			"${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/sys/time.h")
 	endif()

 	#
 	# Copy OpenSSL dlls to the output directory on Windows.
 	# (Otherwise we'll get an error when trying to run)
 	#
 	if (WIN32 AND WITH_SSL AND NOT USE_CYASSL)

 		message("Searching for OpenSSL dlls")
 		find_package(OpenSSLbins)

 		if(OPENSSL_BIN_FOUND)
 			message("OpenSSL dlls found, copying to output directory")
 			message("Libeay: ${LIBEAY_BIN}")
 			message("SSLeay: ${SSLEAY_BIN}")

 			foreach(TARGET_BIN
 					test-client
 					test-server
 					test-fraggle
 					test-echo
 					test-ping
 					)
 				add_custom_command(TARGET ${TARGET_BIN}
 					POST_BUILD
 					COMMAND ${CMAKE_COMMAND} -E copy ${LIBEAY_BIN} $<TARGET_FILE_DIR:${TARGET_BIN}> VERBATIM)

 				add_custom_command(TARGET ${TARGET_BIN}
 					POST_BUILD
 					COMMAND ${CMAKE_COMMAND} -E copy ${SSLEAY_BIN} $<TARGET_FILE_DIR:${TARGET_BIN}> VERBATIM)
 			endforeach()
 		endif()
 	endif()
 endif(NOT WITHOUT_TESTAPPS)
	cmake_minimum_required(VERSION 2.6)

	project(libwebsockets)

	set(PACKAGE "libwebsockets")
	set(PACKAGE_VERSION "1.2")
	set(PACKAGE_BUGREPORT "andy@warmcat.com")
	set(PACKAGE_NAME "${PACKAGE}")
	set(PACKAGE_STRING "${PACKAGE} ${PACKAGE_VERSION}")
	set(PACKAGE_TARNAME "${PACKAGE}")
	set(PACKAGE_URL "http://libwebsockets.org")
	set(VERSION "{PACKAGE_VERSION}")

	set(LWS_LIBRARY_VERSION ${PACKAGE_VERSION})

	# Try to find the current Git hash.
	find_package(Git)
	if(GIT_EXECUTABLE)
	execute_process(
	COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
	OUTPUT_VARIABLE GIT_HASH
	OUTPUT_STRIP_TRAILING_WHITESPACE
	)

	set(LWS_BUILD_HASH ${GIT_HASH})
	message("Git commit hash: ${LWS_BUILD_HASH}")
	endif()

	option(WITH_SSL "Include SSL support (default OpenSSL, CyaSSL if USE_CYASSL is set)" ON)
	option(USE_EXTERNAL_ZLIB "Search the system for ZLib instead of using the included one (on Windows)" OFF)
	option(USE_CYASSL "Use CyaSSL replacement for OpenSSL. When settings this, you also need to specify CYASSL_LIB and CYASSL_INCLUDE_DIRS" OFF)
	option(WITH_BUILTIN_GETIFADDRS "Use BSD getifaddrs implementation from libwebsockets... default is your libc provides it" OFF)
	option(WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" OFF)
	option(WITHOUT_CLIENT "Don't build the client part of the library" OFF)
	option(WITHOUT_SERVER "Don't build the server part of the library" OFF)
	option(WITHOUT_SERVER_EXTPOLL "Don't build a server version that uses external poll" OFF)
	option(WITH_LIBCRYPTO "Use libcrypto MD5 and SHA1 implementations" ON)
	option(WITHOUT_PING "Don't build the ping test application" OFF)
	option(WITHOUT_DEBUG "Don't compile debug related code" OFF)
	option(WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
	option(WITH_LATENCY "Build latency measuring code into the library" OFF)
	option(WITHOUT_DAEMONIZE "Don't build the daemonization api" OFF)

	# The base dir where the SSL dirs should be looked for.
	set(SSL_CERT_DIR CACHE STRING "")
	set(SSL_CLIENT_CERT_DIR CACHE STRING "")

	if ("${SSL_CERT_DIR}" STREQUAL "")
	set(SSL_CERT_DIR ".")
	endif()

	if ("${SSL_CLIENT_CERT_DIR}" STREQUAL "")
	set(LWS_OPENSSL_CLIENT_CERTS ".")
	else()
	set(LWS_OPENSSL_CLIENT_CERTS "${SSL_CLIENT_CERT_DIR}")
	endif()

	set(CYASSL_LIB CACHE STRING "")
	set(CYASSL_INCLUDE_DIRS CACHE STRING "")

	if (USE_CYASSL)
	if ("${CYASSL_LIB}" STREQUAL "" OR "${CYASSL_INCLUDE_DIRS}" STREQUAL "")
	message(FATAL_ERROR "You must set CYASSL_LIB and CYASSL_INCLUDE_DIRS when USE_CYASSL is turned on")
	endif()
	endif()

	if (WITHOUT_EXTENSIONS)
	set(LWS_NO_EXTENSIONS 1)
	endif()

	if (WITH_SSL)
	set(LWS_OPENSSL_SUPPORT 1)
	endif()

	if (WITH_LATENCY)
	set(LWS_LATENCY 1)
	endif()

	if (WITHOUT_DAEMONIZE)
	set(LWS_NO_DAEMONIZE 1)
	endif()

	if (WITHOUT_SERVER)
	set(LWS_NO_SERVER 1)
	endif()

	if (WITHOUT_CLIENT)
	set(LWS_NO_CLIENT 1)
	endif()

	if (MINGW)
	set(LWS_MINGW_SUPPORT 1)
	endif()

	set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
	include_directories(${PROJECT_BINARY_DIR})

	include(CheckCSourceCompiles)

	# Check for different inline keyword versions.
	foreach(KEYWORD "inline" "__inline__" "__inline")
	set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
	CHECK_C_SOURCE_COMPILES(
	"
	#include <stdio.h>
	KEYWORD void a() {}
	int main(int argc, char **argv) { a(); return 0; }
	" HAVE_${KEYWORD})
	endforeach()

	if (NOT HAVE_inline)
	if (HAVE___inline__)
	set(inline __inline__)
	elseif(HAVE___inline)
	set(inline __inline)
	endif()
	endif()

	# Put the libaries and binaries that get built into directories at the
	# top of the build tree rather than in hard-to-find leaf directories.
	SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
	SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
	SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)

	# So we can include the CMake generated config file only when
	# building with CMAKE.
	add_definitions(-DCMAKE_BUILD)

	include(CheckFunctionExists)
	include(CheckIncludeFile)
	include(CheckIncludeFiles)
	include(CheckLibraryExists)

	CHECK_FUNCTION_EXISTS(bzero HAVE_BZERO)
	CHECK_FUNCTION_EXISTS(fork HAVE_FORK)
	CHECK_FUNCTION_EXISTS(malloc HAVE_MALLOC)
	CHECK_FUNCTION_EXISTS(memset HAVE_MEMSET)
	CHECK_FUNCTION_EXISTS(realloc HAVE_REALLOC)
	CHECK_FUNCTION_EXISTS(socket HAVE_SOCKET)
	CHECK_FUNCTION_EXISTS(strerror HAVE_STRERROR)
	CHECK_FUNCTION_EXISTS(vfork HAVE_VFORK)
	CHECK_FUNCTION_EXISTS(getifaddrs HAVE_GETIFADDRS)

	if (WITH_BUILTIN_GETIFADDRS)
	if (HAVE_GETIFADDRS)
	warning("getifaddrs already exists on the system, are you sure you want to build using the BSD version? (This is normally only needed on systems running uclibc)")
	endif()
	set(LWS_BUILTIN_GETIFADDRS 1)
	endif()

	CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
	CHECK_INCLUDE_FILE(fcntl.h HAVE_FCNTL_H)
	CHECK_INCLUDE_FILE(inttypes.h HAVE_INTTYPES_H)
	CHECK_INCLUDE_FILE(memory.h HAVE_MEMORY_H)
	CHECK_INCLUDE_FILE(netinet/in.h HAVE_NETINET_IN_H)
	CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
	CHECK_INCLUDE_FILE(stdlib.h HAVE_STDLIB_H)
	CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
	CHECK_INCLUDE_FILE(string.h HAVE_STRING_H)
	CHECK_INCLUDE_FILE(sys/prctl.h HAVE_SYS_PRCTL_H)
	CHECK_INCLUDE_FILE(sys/socket.h HAVE_SYS_SOCKET_H)
	CHECK_INCLUDE_FILE(sys/stat.h HAVE_SYS_STAT_H)
	CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
	CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
	CHECK_INCLUDE_FILE(vfork.h HAVE_VFORK_H)
	CHECK_INCLUDE_FILE(zlib.h HAVE_ZLIB_H)

	# TODO: These can be tested if they actually work also...
	set(HAVE_WORKING_FORK HAVE_FORK)
	set(HAVE_WORKING_VFORK HAVE_VFORK)

	CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)

	if (NOT HAVE_SYS_TYPES_H)
	set(pid_t int)
	set(size_t "unsigned int")
	endif()

	if (NOT HAVE_MALLOC)
	set(malloc rpl_malloc)
	endif()

	if (NOT HAVE_REALLOC)
	set(realloc rpl_realloc)
	endif()

	# Generate the config.h that includes all the compilation settings.
	configure_file(
	${PROJECT_SOURCE_DIR}/config.h.cmake
	${PROJECT_BINARY_DIR}/lws_config.h)

	set(LIB_LIST)

	if (MSVC)
	# Turn off stupid microsoft security warnings.
	add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
	endif()

	include_directories(${PROJECT_SOURCE_DIR}/lib)

	# Group headers and sources.
	# Some IDEs use this for nicer file structure.
	set(HDR_PRIVATE
	lib/private-libwebsockets.h
	lib/extension-deflate-frame.h
	lib/extension-deflate-stream.h
	${PROJECT_BINARY_DIR}/lws_config.h
	)

	set(HDR_PUBLIC
	lib/libwebsockets.h
	)

	set(SOURCES
	lib/base64-decode.c
	lib/client.c
	lib/client-handshake.c
	lib/client-parser.c
	lib/extension.c
	lib/extension-deflate-frame.c
	lib/extension-deflate-stream.c
	lib/handshake.c
	lib/libwebsockets.c
	lib/minilex.c
	lib/output.c
	lib/parsers.c
	lib/server.c
	lib/server-handshake.c
	lib/sha-1.c
	)

	# Add helper files for Windows.
	if (WIN32)
	set(WIN32_HELPERS_PATH win32port/win32helpers)

	list(APPEND HDR_PRIVATE
	${WIN32_HELPERS_PATH}/websock-w32.h
	${WIN32_HELPERS_PATH}/gettimeofday.h
	)

	list(APPEND SOURCES
	${WIN32_HELPERS_PATH}/websock-w32.c
	${WIN32_HELPERS_PATH}/gettimeofday.c
	)

	include_directories(${WIN32_HELPERS_PATH})
	else()
	# Unix.
	if (NOT WITHOUT_DAEMONIZE)
	list(APPEND SOURCES
	lib/daemonize.c
	)
	endif()
	endif()

	if (UNIX)
	if (!WITH_BUILTIN_GETIFADDRS)
	list(APPEND HDR_PRIVATE lib/getifaddrs.h)
	list(APPEND SOURCES lib/getifaddrs.c)
	endif()
	endif()

	source_group("Headers Private" FILES ${HDR_PRIVATE})
	source_group("Headers Public" FILES ${HDR_PUBLIC})
	source_group("Sources" FILES ${SOURCES})

	#
	# Create the lib.
	#
	add_library(websockets STATIC
	${HDR_PRIVATE}
	${HDR_PUBLIC}
	${SOURCES})

	#
	# Find libraries.
	#

	#
	# ZLIB.
	#
	if (WIN32 AND NOT USE_EXTERNAL_ZLIB)
	message("Using included Zlib version")

	# Compile ZLib if needed.
	set(WIN32_ZLIB_PATH "win32port/zlib")
	set(ZLIB_SRCS
	${WIN32_ZLIB_PATH}/adler32.c
	${WIN32_ZLIB_PATH}/compress.c
	${WIN32_ZLIB_PATH}/crc32.c
	${WIN32_ZLIB_PATH}/deflate.c
	${WIN32_ZLIB_PATH}/gzclose.c
	${WIN32_ZLIB_PATH}/gzio.c
	${WIN32_ZLIB_PATH}/gzlib.c
	${WIN32_ZLIB_PATH}/gzread.c
	${WIN32_ZLIB_PATH}/gzwrite.c
	${WIN32_ZLIB_PATH}/infback.c
	${WIN32_ZLIB_PATH}/inffast.c
	${WIN32_ZLIB_PATH}/inflate.c
	${WIN32_ZLIB_PATH}/inftrees.c
	${WIN32_ZLIB_PATH}/trees.c
	${WIN32_ZLIB_PATH}/uncompr.c
	${WIN32_ZLIB_PATH}/zutil.c
	)

	# Create the library.
	add_library(ZLIB STATIC ${ZLIB_SRCS})

	# Set the same variables as find_package would.
	set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
	get_property(ZLIB_LIBRARIES TARGET ZLIB PROPERTY LOCATION)
	set(ZLIB_FOUND 1)
	else()
	find_package(ZLIB REQUIRED)
	endif()

	message("ZLib include dirs: ${ZLIB_INCLUDE_DIRS}")
	message("ZLib libraries: ${ZLIB_LIBRARIES}")
	include_directories(${ZLIB_INCLUDE_DIRS})
	target_link_libraries(websockets ${ZLIB_LIBRARIES})

	#
	# OpenSSL
	#
	if (WITH_SSL)
	message("Compiling with SSL support")

	if (USE_CYASSL)
	# Use CyaSSL as OpenSSL replacement.
	# TODO: Add a find_package command for this also.
	message("CyaSSL include dir: ${CYASSL_INCLUDE_DIRS}")
	message("CyaSSL libraries: ${CYASSL_LIB}")

	# Additional to the root directory we need to include
	# the cyassl/ subdirectory which contains the OpenSSL
	# compatability layer headers.
	foreach(inc ${CYASSL_INCLUDE_DIRS})
	include_directories(${inc} ${inc}/cyassl)
	endforeach()

	target_link_libraries(websockets ${CYASSL_LIB})
	else()
	# TODO: Add support for STATIC also.
	find_package(OpenSSL REQUIRED)

	message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
	message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")

	include_directories(${OPENSSL_INCLUDE_DIR})
	target_link_libraries(websockets ${OPENSSL_LIBRARIES})
	endif()
	endif(WITH_SSL)

	#
	# Platform specific libs.
	#
	if (WIN32)
	target_link_libraries(websockets ws2_32.lib)
	endif()

	if (UNIX)
	target_link_libraries(websockets m)
	endif()

	#
	# Test applications
	#
	if (NOT WITHOUT_TESTAPPS)
	#
	# Helper function for adding a test app.
	#
	function(create_test_app TEST_NAME MAIN_SRC WIN32_SRCS WIN32_HDRS)

	set(TEST_SRCS ${MAIN_SRC})
	set(TEST_HDR)

	if (WIN32)
	list(APPEND TEST_SRCS
	${WIN32_HELPERS_PATH}/getopt.c
	${WIN32_HELPERS_PATH}/getopt_long.c
	${WIN32_HELPERS_PATH}/gettimeofday.c
	${WIN32_SRCS})

	list(APPEND TEST_HDR
	${WIN32_HELPERS_PATH}/getopt.h
	${WIN32_HELPERS_PATH}/gettimeofday.h
	${WIN32_HDRS})
	endif(WIN32)

	source_group("Headers" FILES ${TEST_HDR})
	source_group("Sources" FILES ${TEST_SRCS})
	add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
	target_link_libraries(${TEST_NAME} websockets)

	set_property(
	TARGET ${TEST_NAME}
	PROPERTY COMPILE_DEFINITIONS INSTALL_DATADIR="${SSL_CERT_DIR}"
	)
	endfunction()

	#
	# test-client
	#
	if (NOT WITHOUT_CLIENT)
	create_test_app(test-client
	"test-server/test-client.c"
	""
	"")
	endif()

	#
	# test-server
	#
	if (NOT WITHOUT_SERVER)
	create_test_app(test-server
	"test-server/test-server.c"
	""
	"${WIN32_HELPERS_PATH}/netdb.h;${WIN32_HELPERS_PATH}/strings.h;${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/websock-w32.h")
	endif()

	#
	# test-server-extpoll
	#
	if (NOT WITHOUT_SERVER AND NOT WITHOUT_SERVER_EXTPOLL)
	create_test_app(test-server-extpoll
	"test-server/test-server.c"
	""
	"${WIN32_HELPERS_PATH}/netdb.h;${WIN32_HELPERS_PATH}/strings.h;${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/websock-w32.h")

	# Set defines for this executable only.
	set_property(
	TARGET test-server-extpoll
	PROPERTY COMPILE_DEFINITIONS EXTERNAL_POLL INSTALL_DATADIR="${SSL_CERT_DIR}"
	)
	endif()

	#
	# test-fraggle
	#
	if (NOT WITHOUT_FRAGGLE)
	create_test_app(test-fraggle
	"test-server/test-fraggle.c"
	""
	"${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/sys/time.h")
	endif()

	#
	# test-ping
	#
	if (NOT WITHOUT_PING)
	create_test_app(test-ping
	"test-server/test-ping.c"
	""
	"${WIN32_HELPERS_PATH}/unistd.h;${WIN32_HELPERS_PATH}/sys/time.h")
	endif()

	#
	# Copy OpenSSL dlls to the output directory on Windows.
	# (Otherwise we'll get an error when trying to run)
	#
	if (WIN32 AND WITH_SSL AND NOT USE_CYASSL)

	message("Searching for OpenSSL dlls")
	find_package(OpenSSLbins)

	if(OPENSSL_BIN_FOUND)
	message("OpenSSL dlls found, copying to output directory")
	message("Libeay: ${LIBEAY_BIN}")
	message("SSLeay: ${SSLEAY_BIN}")

	foreach(TARGET_BIN
	test-client
	test-server
	test-fraggle
	test-echo
	test-ping
	)
	add_custom_command(TARGET ${TARGET_BIN}
	POST_BUILD
	COMMAND ${CMAKE_COMMAND} -E copy ${LIBEAY_BIN} $<TARGET_FILE_DIR:${TARGET_BIN}> VERBATIM)

	add_custom_command(TARGET ${TARGET_BIN}
	POST_BUILD
	COMMAND ${CMAKE_COMMAND} -E copy ${SSLEAY_BIN} $<TARGET_FILE_DIR:${TARGET_BIN}> VERBATIM)
	endforeach()
	endif()
	endif()
	endif(NOT WITHOUT_TESTAPPS)