cmake_minimum_required( VERSION 3.5 ) if( POLICY CMP0037 ) cmake_policy(SET CMP0037 NEW) endif( POLICY CMP0037 ) project(LibVNCServer) include(CheckFunctionExists) include(CheckSymbolExists) include(CheckIncludeFile) include(CheckTypeSize) include(TestBigEndian) include(CheckCSourceCompiles) include(CheckCSourceRuns) enable_testing() set(PACKAGE_NAME "LibVNCServer") set(FULL_PACKAGE_NAME "LibVNCServer") set(VERSION_MAJOR "0") set(VERSION_MINOR "9") set(VERSION_PATCHLEVEL "12") set(VERSION_SO "1") set(PACKAGE_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCHLEVEL}") set(PROJECT_BUGREPORT_PATH "https://github.com/LibVNC/libvncserver/issues") set(LIBVNCSERVER_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libvncserver) set(COMMON_DIR ${CMAKE_CURRENT_SOURCE_DIR}/common) set(LIBVNCCLIENT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libvncclient) set(LIBVNCSRVEXAMPLE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/examples) set(LIBVNCCLIEXAMPLE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/client_examples) set(TESTS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/test) set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON) set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/") include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/libvncserver ${CMAKE_CURRENT_SOURCE_DIR}/common) # all the build configuration switches option(BUILD_SHARED_LIBS "Build shared libraries" ${UNIX}) option(WITH_ZLIB "Search for the zlib compression library to support additional encodings" ON) option(WITH_LZO "Search for the LZO compression library to omit internal miniLZO implementation" ON) option(WITH_JPEG "Search for the libjpeg compression library to support additional encodings" ON) option(WITH_PNG "Search for the PNG compression library to support additional encodings" ON) option(WITH_SDL "Search for the Simple Direct Media Layer library to build an example SDL vnc client" ON) option(WITH_THREADS "Search for a threading library to build with multithreading support" ON) option(WITH_GNUTLS "Search for the GnuTLS secure communications library to support encryption" ON) option(WITH_OPENSSL "Search for the OpenSSL cryptography library to support encryption" ON) option(WITH_SYSTEMD "Search for libsystemd to build with systemd socket activation support" OFF) option(WITH_GCRYPT "Search for libgcrypt to support additional authentication methods in LibVNCClient" ON) option(WITH_FFMPEG "Search for FFMPEG to build an example VNC to MPEG encoder" ON) option(WITH_TIGHTVNC_FILETRANSFER "Enable filetransfer if there is pthreads support" ON) option(WITH_24BPP "Allow 24 bpp" ON) option(WITH_IPv6 "Enable IPv6 Support" ON) option(WITH_WEBSOCKETS "Build with websockets support" ON) option(WITH_SASL "Build with SASL support" ON) if(WITH_ZLIB) find_package(ZLIB) endif(WITH_ZLIB) if(WITH_LZO) find_package(LZO) endif() if(WITH_JPEG) find_package(JPEG) if(JPEG_FOUND) # Check whether the version of libjpeg we found was libjpeg-turbo and print a # warning if not. set(CMAKE_REQUIRED_LIBRARIES ${JPEG_LIBRARIES}) set(CMAKE_REQUIRED_FLAGS -I${JPEG_INCLUDE_DIR}) set(JPEG_TEST_SOURCE "\n #include \n #include \n int main(void) {\n struct jpeg_compress_struct cinfo;\n struct jpeg_error_mgr jerr;\n cinfo.err=jpeg_std_error(&jerr);\n jpeg_create_compress(&cinfo);\n cinfo.input_components = 3;\n jpeg_set_defaults(&cinfo);\n cinfo.in_color_space = JCS_EXT_RGB;\n jpeg_default_colorspace(&cinfo);\n return 0;\n }") if(CMAKE_CROSSCOMPILING) check_c_source_compiles("${JPEG_TEST_SOURCE}" FOUND_LIBJPEG_TURBO) else() check_c_source_runs("${JPEG_TEST_SOURCE}" FOUND_LIBJPEG_TURBO) endif() set(CMAKE_REQUIRED_LIBRARIES) set(CMAKE_REQUIRED_FLAGS) set(CMAKE_REQUIRED_DEFINITIONS) if(NOT FOUND_LIBJPEG_TURBO) message(WARNING "*** The libjpeg library you are building against is not libjpeg-turbo. Performance will be reduced. You can obtain libjpeg-turbo from: https://sourceforge.net/projects/libjpeg-turbo/files/ ***") endif() endif(JPEG_FOUND) endif(WITH_JPEG) if(WITH_PNG) find_package(PNG) endif(WITH_PNG) if(WITH_SDL) find_package(SDL2) endif(WITH_SDL) if(WITH_THREADS) find_package(Threads) endif(WITH_THREADS) if(WITH_GNUTLS) find_package(GnuTLS) endif(WITH_GNUTLS) if(WITH_OPENSSL) find_package(OpenSSL) endif(WITH_OPENSSL) if(WITH_SYSTEMD AND NOT ANDROID) find_package(PkgConfig) pkg_check_modules(SYSTEMD "libsystemd") endif(WITH_SYSTEMD AND NOT ANDROID) if(WITH_GCRYPT) find_library(LIBGCRYPT_LIBRARIES gcrypt) endif(WITH_GCRYPT) if(WITH_FFMPEG) find_package(FFMPEG 3.1.0) endif(WITH_FFMPEG) check_include_file("endian.h" LIBVNCSERVER_HAVE_ENDIAN_H) check_include_file("fcntl.h" LIBVNCSERVER_HAVE_FCNTL_H) check_include_file("netinet/in.h" LIBVNCSERVER_HAVE_NETINET_IN_H) check_include_file("sys/endian.h" LIBVNCSERVER_HAVE_SYS_ENDIAN_H) check_include_file("sys/socket.h" LIBVNCSERVER_HAVE_SYS_SOCKET_H) check_include_file("sys/stat.h" LIBVNCSERVER_HAVE_SYS_STAT_H) check_include_file("sys/time.h" LIBVNCSERVER_HAVE_SYS_TIME_H) check_include_file("sys/types.h" LIBVNCSERVER_HAVE_SYS_TYPES_H) check_include_file("sys/wait.h" LIBVNCSERVER_HAVE_SYS_WAIT_H) check_include_file("unistd.h" LIBVNCSERVER_HAVE_UNISTD_H) check_include_file("sys/uio.h" LIBVNCSERVER_HAVE_SYS_UIO_H) # headers needed for check_type_size() check_include_file("vfork.h" LIBVNCSERVER_HAVE_VFORK_H) check_include_file("ws2tcpip.h" LIBVNCSERVER_HAVE_WS2TCPIP_H) check_include_file("arpa/inet.h" HAVE_ARPA_INET_H) check_include_file("stdint.h" HAVE_STDINT_H) check_include_file("stddef.h" HAVE_STDDEF_H) check_include_file("sys/types.h" HAVE_SYS_TYPES_H) # error out if required headers not found if(NOT HAVE_STDINT_H) message(FATAL_ERROR "Could NOT find required header stdint.h") endif() check_function_exists(gettimeofday LIBVNCSERVER_HAVE_GETTIMEOFDAY) check_function_exists(vfork LIBVNCSERVER_HAVE_VFORK) check_function_exists(vprintf LIBVNCSERVER_HAVE_VPRINTF) check_function_exists(mmap LIBVNCSERVER_HAVE_MMAP) check_function_exists(fork LIBVNCSERVER_HAVE_FORK) check_function_exists(ftime LIBVNCSERVER_HAVE_FTIME) check_function_exists(gethostbyname LIBVNCSERVER_HAVE_GETHOSTBYNAME) check_function_exists(gethostname LIBVNCSERVER_HAVE_GETHOSTNAME) check_function_exists(inet_ntoa LIBVNCSERVER_HAVE_INET_NTOA) check_function_exists(memmove LIBVNCSERVER_HAVE_MEMMOVE) check_function_exists(memset LIBVNCSERVER_HAVE_MEMSET) check_function_exists(mkfifo LIBVNCSERVER_HAVE_MKFIFO) check_function_exists(select LIBVNCSERVER_HAVE_SELECT) check_function_exists(socket LIBVNCSERVER_HAVE_SOCKET) check_function_exists(strchr LIBVNCSERVER_HAVE_STRCHR) check_function_exists(strcspn LIBVNCSERVER_HAVE_STRCSPN) check_function_exists(strdup LIBVNCSERVER_HAVE_STRDUP) check_function_exists(strerror LIBVNCSERVER_HAVE_STRERROR) check_function_exists(strstr LIBVNCSERVER_HAVE_STRSTR) check_symbol_exists(htobe64 "endian.h" LIBVNCSERVER_HAVE_HTOBE64) check_symbol_exists(OSSwapHostToBigInt64 "libkern/OSByteOrder.h" LIBVNCSERVER_HAVE_OSSWAPHOSTTOBIGINT64) if(Threads_FOUND) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${CMAKE_THREAD_LIBS_INIT}) endif(Threads_FOUND) if(ZLIB_FOUND) set(LIBVNCSERVER_HAVE_LIBZ 1) else() unset(ZLIB_LIBRARIES) # would otherwise contain -NOTFOUND, confusing target_link_libraries() endif(ZLIB_FOUND) if(LZO_FOUND) set(LIBVNCSERVER_HAVE_LZO 1) else() unset(LZO_LIBRARIES CACHE) # would otherwise contain -NOTFOUND, confusing target_link_libraries() endif() if(JPEG_FOUND) set(LIBVNCSERVER_HAVE_LIBJPEG 1) else() unset(JPEG_LIBRARIES) # would otherwise confuse target_link_libraries() endif(JPEG_FOUND) if(PNG_FOUND) set(LIBVNCSERVER_HAVE_LIBPNG 1) endif(PNG_FOUND) if(NOT OPENSSL_FOUND) unset(OPENSSL_LIBRARIES) # would otherwise contain -NOTFOUND, confusing target_link_libraries() endif() if(SYSTEMD_FOUND) add_definitions(-DLIBVNCSERVER_WITH_SYSTEMD) include_directories(${SYSTEMD_INCLUDE_DIRS}) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${SYSTEMD_LIBRARIES}) endif(SYSTEMD_FOUND) if(LIBVNCSERVER_HAVE_SYS_UIO_H) if(GNUTLS_FOUND) message(STATUS "Building crypto with GnuTLS") set(CRYPTO_LIBRARIES ${GNUTLS_LIBRARIES}) set(CRYPTO_SOURCES ${COMMON_DIR}/rfbcrypto_gnutls.c) include_directories(${GNUTLS_INCLUDE_DIR}) elseif(OPENSSL_FOUND) message(STATUS "Building crypto with OpenSSL") set(CRYPTO_LIBRARIES ${OPENSSL_LIBRARIES}) set(CRYPTO_SOURCES ${COMMON_DIR}/rfbcrypto_openssl.c) else() message(STATUS "Building crypto with builtin functions") set(CRYPTO_SOURCES ${COMMON_DIR}/rfbcrypto_included.c ${COMMON_DIR}/md5.c ${COMMON_DIR}/sha1.c) endif() set(LIBVNCSERVER_HAVE_CRYPTO 1) endif(LIBVNCSERVER_HAVE_SYS_UIO_H) if(WITH_WEBSOCKETS AND LIBVNCSERVER_HAVE_CRYPTO AND (LIBVNCSERVER_HAVE_HTOBE64 OR LIBVNCSERVER_HAVE_OSSWAPHOSTTOBIGINT64)) set(LIBVNCSERVER_WITH_WEBSOCKETS 1) endif() if(WITH_GCRYPT AND LIBGCRYPT_LIBRARIES) message(STATUS "Found libgcrypt: ${LIBGCRYPT_LIBRARIES}") set(LIBVNCSERVER_WITH_CLIENT_GCRYPT 1) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${LIBGCRYPT_LIBRARIES}) endif(WITH_GCRYPT AND LIBGCRYPT_LIBRARIES) if(GNUTLS_FOUND) set(LIBVNCSERVER_HAVE_GNUTLS 1) endif(GNUTLS_FOUND) if(OPENSSL_FOUND) set(LIBVNCSERVER_HAVE_LIBSSL 1) endif(OPENSSL_FOUND) if(WITH_IPv6) if(WIN32 AND LIBVNCSERVER_HAVE_WS2TCPIP_H AND LIBVNCSERVER_HAVE_VPRINTF) set(LIBVNCSERVER_IPv6 1) endif() if(NOT WIN32) set(LIBVNCSERVER_IPv6 1) endif() endif(WITH_IPv6) if(WITH_24BPP) set(LIBVNCSERVER_ALLOW24BPP 1) endif() if(CMAKE_USE_PTHREADS_INIT) set(LIBVNCSERVER_HAVE_LIBPTHREAD 1) endif(CMAKE_USE_PTHREADS_INIT) if(LIBVNCSERVER_HAVE_SYS_SOCKET_H) # socklen_t list(APPEND CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h") endif(LIBVNCSERVER_HAVE_SYS_SOCKET_H) if(HAVE_ARPA_INET_H) # in_addr_t list(APPEND CMAKE_EXTRA_INCLUDE_FILES "arpa/inet.h") endif(HAVE_ARPA_INET_H) check_type_size(pid_t LIBVNCSERVER_PID_T) check_type_size(size_t LIBVNCSERVER_SIZE_T) check_type_size(socklen_t LIBVNCSERVER_SOCKLEN_T) check_type_size(in_addr_t LIBVNCSERVER_IN_ADDR_T) if(NOT HAVE_LIBVNCSERVER_IN_ADDR_T) set(LIBVNCSERVER_NEED_INADDR_T 1) endif(NOT HAVE_LIBVNCSERVER_IN_ADDR_T) TEST_BIG_ENDIAN(LIBVNCSERVER_WORDS_BIGENDIAN) if(WITH_SASL) find_path(SASL2_INCLUDE_DIR sasl/sasl.h) find_library(LIBSASL2_LIBRARIES sasl2 libsasl.lib) endif(WITH_SASL) if(WITH_SASL AND LIBSASL2_LIBRARIES AND SASL2_INCLUDE_DIR) message(STATUS "Building with SASL: ${LIBSASL2_LIBRARIES} and ${SASL2_INCLUDE_DIR}") set(LIBVNCSERVER_HAVE_SASL 1) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${LIBSASL2_LIBRARIES}) include_directories(${SASL2_INCLUDE_DIR}) endif(WITH_SASL AND LIBSASL2_LIBRARIES AND SASL2_INCLUDE_DIR) # TODO: # LIBVNCSERVER_ENOENT_WORKAROUND # inline configure_file(${CMAKE_CURRENT_SOURCE_DIR}/rfb/rfbconfig.h.cmakein ${CMAKE_CURRENT_BINARY_DIR}/rfb/rfbconfig.h) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_DIR}/main.cpp ${LIBVNCSERVER_DIR}/rfbserver.c ${LIBVNCSERVER_DIR}/rfbregion.c ${LIBVNCSERVER_DIR}/auth.c ${LIBVNCSERVER_DIR}/sockets.c ${LIBVNCSERVER_DIR}/stats.c ${LIBVNCSERVER_DIR}/corre.c ${LIBVNCSERVER_DIR}/hextile.c ${LIBVNCSERVER_DIR}/rre.c ${LIBVNCSERVER_DIR}/translate.c ${LIBVNCSERVER_DIR}/cutpaste.c ${LIBVNCSERVER_DIR}/httpd.c ${LIBVNCSERVER_DIR}/cursor.c ${LIBVNCSERVER_DIR}/font.c ${LIBVNCSERVER_DIR}/draw.c ${LIBVNCSERVER_DIR}/selbox.c ${COMMON_DIR}/d3des.c ${COMMON_DIR}/vncauth.c ${LIBVNCSERVER_DIR}/cargs.c ${LIBVNCSERVER_DIR}/ultra.c ${LIBVNCSERVER_DIR}/scale.c ) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_DIR}/cursor.c ${LIBVNCCLIENT_DIR}/listen.c ${LIBVNCCLIENT_DIR}/rfbproto.c ${LIBVNCCLIENT_DIR}/sockets.c ${LIBVNCCLIENT_DIR}/vncviewer.c ) if(JPEG_FOUND) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${COMMON_DIR}/turbojpeg.c ) endif() if(GNUTLS_FOUND) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/tls_gnutls.c ) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/rfbssl_gnutls.c ) include_directories(${GNUTLS_INCLUDE_DIR}) elseif(OPENSSL_FOUND) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/tls_openssl.c ) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/rfbssl_openssl.c ) include_directories(${OPENSSL_INCLUDE_DIR}) else() set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/tls_none.c ) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/rfbssl_none.c ) endif() if(LIBVNCSERVER_HAVE_SASL) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/sasl.c ) endif() if(ZLIB_FOUND) add_definitions(-DLIBVNCSERVER_HAVE_LIBZ) include_directories(${ZLIB_INCLUDE_DIR}) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/zlib.c ${LIBVNCSERVER_DIR}/zrle.c ${LIBVNCSERVER_DIR}/zrleoutstream.c ${LIBVNCSERVER_DIR}/zrlepalettehelper.c ) endif(ZLIB_FOUND) if(LZO_FOUND) add_definitions(-DLIBVNCSERVER_HAVE_LZO) include_directories(${LZO_INCLUDE_DIR}) else() set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${COMMON_DIR}/minilzo.c ) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${COMMON_DIR}/minilzo.c ) endif() if(JPEG_FOUND) add_definitions(-DLIBVNCSERVER_HAVE_LIBJPEG) include_directories(${JPEG_INCLUDE_DIR}) set(TIGHT_C ${LIBVNCSERVER_DIR}/tight.c ${COMMON_DIR}/turbojpeg.c) endif(JPEG_FOUND) if(PNG_FOUND) add_definitions(-DLIBVNCSERVER_HAVE_LIBPNG) include_directories(${PNG_INCLUDE_DIR}) endif(PNG_FOUND) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${TIGHT_C} ) if(WITH_TIGHTVNC_FILETRANSFER AND CMAKE_USE_PTHREADS_INIT) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/tightvnc-filetransfer/rfbtightserver.c ${LIBVNCSERVER_DIR}/tightvnc-filetransfer/handlefiletransferrequest.c ${LIBVNCSERVER_DIR}/tightvnc-filetransfer/filetransfermsg.c ${LIBVNCSERVER_DIR}/tightvnc-filetransfer/filelistinfo.c ) endif(WITH_TIGHTVNC_FILETRANSFER AND CMAKE_USE_PTHREADS_INIT) if(LIBVNCSERVER_WITH_WEBSOCKETS) add_definitions(-DLIBVNCSERVER_WITH_WEBSOCKETS) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/websockets.c ${LIBVNCSERVER_DIR}/ws_decode.c ${COMMON_DIR}/base64.c ${CRYPTO_SOURCES} ) endif(LIBVNCSERVER_WITH_WEBSOCKETS) ##### tdevncclient (static) ######################## tde_add_library( tdevncclient STATIC_PIC AUTOMOC SOURCES ${LIBVNCCLIENT_SOURCES} LINK pthread ${ADDITIONAL_LIBS} ${ZLIB_LIBRARIES} ${LZO_LIBRARIES} ${JPEG_LIBRARIES} ${GNUTLS_LIBRARIES} ${OPENSSL_LIBRARIES} ) ##### tdevncserver (static) ######################## tde_add_library( tdevncserver STATIC_PIC AUTOMOC SOURCES ${LIBVNCSERVER_SOURCES} LINK ${ADDITIONAL_LIBS} ${ZLIB_LIBRARIES} ${LZO_LIBRARIES} ${JPEG_LIBRARIES} ${PNG_LIBRARIES} ${CRYPTO_LIBRARIES} ${GNUTLS_LIBRARIES} ${OPENSSL_LIBRARIES} )