cmake_minimum_required(VERSION 3.4) cmake_policy(SET CMP0037 NEW) project(LibVNCServer) include(CheckFunctionExists) include(CheckIncludeFile) include(CheckTypeSize) include(TestBigEndian) include(CheckCSourceCompiles) include(CheckCXXSourceCompiles) include(CheckCSourceRuns) 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(LIBVNCSRVTEST_DIR ${CMAKE_CURRENT_SOURCE_DIR}/examples) set(LIBVNCCLITEST_DIR ${CMAKE_CURRENT_SOURCE_DIR}/client_examples) set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON) include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/libvncserver ${CMAKE_CURRENT_SOURCE_DIR}/common) # all the build configuration switches option(WITH_ZLIB "Search for the zlib compression library to support additional encodings" 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" ON) option(WITH_GCRYPT "Search for libgcrypt to support additional authentication methods in LibVNCClient" 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) if(WITH_ZLIB) find_package(ZLIB) endif(WITH_ZLIB) if(WITH_JPEG) find_package(JPEG) # 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(WITH_JPEG) if(WITH_PNG) find_package(PNG) endif(WITH_PNG) if(WITH_SDL) find_package(SDL) 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) find_package(PkgConfig) pkg_check_modules(SYSTEMD "libsystemd") endif(WITH_SYSTEMD) if(WITH_GCRYPT) find_library(LIBGCRYPT_LIBRARIES gcrypt) endif(WITH_GCRYPT) 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) check_function_exists(gettimeofday LIBVNCSERVER_HAVE_GETTIMEOFDAY) check_function_exists(vfork LIBVNCSERVER_HAVE_VFORK) check_function_exists(vprintf LIBVNCSERVER_HAVE_VPRINTF) # On systems such as GNU/Linux with glibc, __b64_ntop is defined in a # separate library, libresolv. On some others, such as FreeBSD, it is # part of libc itself. We first check if __b64_ntop is found without # additional libraries, and then try looking for it with libresolv if # the first test fails. check_function_exists(__b64_ntop HAVE_B64_IN_LIBC) if(NOT HAVE_B64_IN_LIBC) set(CMAKE_REQUIRED_LIBRARIES resolv) check_function_exists(__b64_ntop HAVE_B64_IN_LIBRESOLV) set(CMAKE_REQUIRED_LIBRARIES) if(HAVE_B64_IN_LIBRESOLV) set(RESOLV_LIB "resolv") endif(HAVE_B64_IN_LIBRESOLV) # the function check somehow fails for apple but the function is there if(APPLE) set(RESOLV_LIB "resolv") endif(APPLE) endif(NOT HAVE_B64_IN_LIBC) if(Threads_FOUND) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${CMAKE_THREAD_LIBS_INIT}) endif(Threads_FOUND) if(ZLIB_FOUND) set(LIBVNCSERVER_HAVE_LIBZ 1) else() unset(ZLIB_LIBRARIES) # would otherwise contain -NOTFOUND, confusing target_link_libraries() endif(ZLIB_FOUND) if(JPEG_FOUND) set(LIBVNCSERVER_HAVE_LIBJPEG 1) endif(JPEG_FOUND) if(PNG_FOUND) set(LIBVNCSERVER_HAVE_LIBPNG 1) endif(PNG_FOUND) if(NOT OPENSSL_FOUND) unset(OPENSSL_LIBRARIES) # would otherwise contain -NOTFOUND, confusing target_link_libraries() endif() if(SYSTEMD_FOUND) add_definitions(-DLIBVNCSERVER_WITH_SYSTEMD) include_directories(${SYSTEMD_INCLUDE_DIRS}) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${SYSTEMD_LIBRARIES}) endif(SYSTEMD_FOUND) if(WITH_WEBSOCKETS AND LIBVNCSERVER_HAVE_SYS_UIO_H) set(LIBVNCSERVER_WITH_WEBSOCKETS 1) if(GNUTLS_FOUND) set(LIBVNCSERVER_WITH_CLIENT_TLS 1) message(STATUS "Building websockets with GnuTLS") set(WEBSOCKET_LIBRARIES ${RESOLV_LIB} ${GNUTLS_LIBRARIES}) set(WSSRCS ${LIBVNCSERVER_DIR}/rfbssl_gnutls ${LIBVNCSERVER_DIR}/rfbcrypto_gnutls) include_directories(${GNUTLS_INCLUDE_DIR}) elseif(OPENSSL_FOUND) message(STATUS "Building websockets with OpenSSL") set(WEBSOCKET_LIBRARIES ${RESOLV_LIB} ${OPENSSL_LIBRARIES}) set(WSSRCS ${LIBVNCSERVER_DIR}/rfbssl_openssl ${LIBVNCSERVER_DIR}/rfbcrypto_openssl) else() message(STATUS "Building websockets without SSL") set(WEBSOCKET_LIBRARIES ${RESOLV_LIB}) set(WSSRCS ${LIBVNCSERVER_DIR}/rfbssl_none.c ${LIBVNCSERVER_DIR}/rfbcrypto_included.c ${COMMON_DIR}/md5.c ${COMMON_DIR}/sha1.c) endif() endif(WITH_WEBSOCKETS AND LIBVNCSERVER_HAVE_SYS_UIO_H) if(WITH_GCRYPT AND LIBGCRYPT_LIBRARIES) message(STATUS "Found libgcrypt: ${LIBGCRYPT_LIBRARIES}") set(LIBVNCSERVER_WITH_CLIENT_GCRYPT 1) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${LIBGCRYPT_LIBRARIES}) endif(WITH_GCRYPT AND LIBGCRYPT_LIBRARIES) if(WITH_IPv6) if(WIN32 AND LIBVNCSERVER_HAVE_WS2TCPIP_H AND LIBVNCSERVER_HAVE_VPRINTF) set(LIBVNCSERVER_IPv6 1) endif() if(NOT WIN32) set(LIBVNCSERVER_IPv6 1) endif() endif(WITH_IPv6) if(WITH_24BPP) set(LIBVNCSERVER_ALLOW24BPP 1) endif() if(CMAKE_USE_PTHREADS_INIT) set(LIBVNCSERVER_HAVE_LIBPTHREAD 1) endif(CMAKE_USE_PTHREADS_INIT) if(LIBVNCSERVER_HAVE_SYS_SOCKET_H) # socklen_t list(APPEND CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h") endif(LIBVNCSERVER_HAVE_SYS_SOCKET_H) if(HAVE_ARPA_INET_H) # in_addr_t list(APPEND CMAKE_EXTRA_INCLUDE_FILES "arpa/inet.h") endif(HAVE_ARPA_INET_H) check_type_size(pid_t LIBVNCSERVER_PID_T) check_type_size(size_t LIBVNCSERVER_SIZE_T) check_type_size(socklen_t LIBVNCSERVER_SOCKLEN_T) check_type_size(in_addr_t LIBVNCSERVER_IN_ADDR_T) if(NOT HAVE_LIBVNCSERVER_IN_ADDR_T) set(LIBVNCSERVER_NEED_INADDR_T 1) endif(NOT HAVE_LIBVNCSERVER_IN_ADDR_T) TEST_BIG_ENDIAN(LIBVNCSERVER_WORDS_BIGENDIAN) # TODO: # LIBVNCSERVER_ENOENT_WORKAROUND # inline configure_file(${CMAKE_CURRENT_SOURCE_DIR}/rfb/rfbconfig.h.cmake ${CMAKE_BINARY_DIR}/rfb/rfbconfig.h) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_DIR}/main.c ${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 ${COMMON_DIR}/minilzo.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 ${COMMON_DIR}/minilzo.c ) if(GNUTLS_FOUND) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/tls_gnutls.c ) elseif(OPENSSL_FOUND) set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/tls_openssl.c ) include_directories(${OPENSSL_INCLUDE_DIR}) else() set(LIBVNCCLIENT_SOURCES ${LIBVNCCLIENT_SOURCES} ${LIBVNCCLIENT_DIR}/tls_none.c ) endif() if(ZLIB_FOUND) add_definitions(-DLIBVNCSERVER_HAVE_LIBZ) include_directories(${ZLIB_INCLUDE_DIR}) set(LIBVNCSERVER_SOURCES ${LIBVNCSERVER_SOURCES} ${LIBVNCSERVER_DIR}/zlib.c ${LIBVNCSERVER_DIR}/zrle.c ${LIBVNCSERVER_DIR}/zrleoutstream.c ${LIBVNCSERVER_DIR}/zrlepalettehelper.c ) endif(ZLIB_FOUND) if(JPEG_FOUND) add_definitions(-DLIBVNCSERVER_HAVE_LIBJPEG) include_directories(${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 ${WSSRCS} ) endif(LIBVNCSERVER_WITH_WEBSOCKETS) add_library(vncclient SHARED ${LIBVNCCLIENT_SOURCES}) add_library(vncserver SHARED ${LIBVNCSERVER_SOURCES}) if(WIN32) set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ws2_32) endif(WIN32) target_link_libraries(vncclient ${ADDITIONAL_LIBS} ${ZLIB_LIBRARIES} ${JPEG_LIBRARIES} ${GNUTLS_LIBRARIES} ${OPENSSL_LIBRARIES} ) target_link_libraries(vncserver ${ADDITIONAL_LIBS} ${ZLIB_LIBRARIES} ${JPEG_LIBRARIES} ${PNG_LIBRARIES} ${WEBSOCKET_LIBRARIES} ) SET_TARGET_PROPERTIES(vncclient vncserver PROPERTIES SOVERSION "${VERSION_SO}" VERSION "${PACKAGE_VERSION}" ) # tests set(LIBVNCSERVER_TESTS backchannel camera colourmaptest example fontsel pnmshow pnmshow24 regiontest rotate simple simple15 storepasswd vncev ) if(CMAKE_USE_PTHREADS_INIT) set(LIBVNCSERVER_TESTS ${LIBVNCSERVER_TESTS} blooptest ) endif(CMAKE_USE_PTHREADS_INIT) if(WITH_TIGHTVNC_FILETRANSFER AND CMAKE_USE_PTHREADS_INIT) set(LIBVNCSERVER_TESTS ${LIBVNCSERVER_TESTS} filetransfer ) endif(WITH_TIGHTVNC_FILETRANSFER AND CMAKE_USE_PTHREADS_INIT) if(MACOS) set(LIBVNCSERVER_TESTS ${LIBVNCSERVER_TESTS} mac ) endif(MACOS) set(LIBVNCCLIENT_TESTS backchannel ppmtest ) if(SDL_FOUND) include_directories(${SDL_INCLUDE_DIR}) set(LIBVNCCLIENT_TESTS ${LIBVNCCLIENT_TESTS} SDLvncviewer ) set(SDLvncviewer_EXTRA_SOURCES scrap.c) endif(SDL_FOUND) if(HAVE_FFMPEG) set(LIBVNCCLIENT_TESTS ${LIBVNCCLIENT_TESTS} vnc2mpg ) endif(HAVE_FFMPEG) file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/examples) foreach(test ${LIBVNCSERVER_TESTS}) add_executable(examples_${test} ${LIBVNCSRVTEST_DIR}/${test}.c) set_target_properties(examples_${test} PROPERTIES OUTPUT_NAME examples/${test}) target_link_libraries(examples_${test} vncserver ${CMAKE_THREAD_LIBS_INIT}) endforeach(test ${LIBVNCSERVER_TESTS}) file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/client_examples) foreach(test ${LIBVNCCLIENT_TESTS}) add_executable(client_examples_${test} ${LIBVNCCLITEST_DIR}/${test}.c ${LIBVNCCLITEST_DIR}/${${test}_EXTRA_SOURCES} ) set_target_properties(client_examples_${test} PROPERTIES OUTPUT_NAME client_examples/${test}) target_link_libraries(client_examples_${test} vncclient ${CMAKE_THREAD_LIBS_INIT} ${SDL_LIBRARY} ${FFMPEG_LIBRARIES}) endforeach(test ${LIBVNCCLIENT_TESTS}) # this gets the libraries needed by TARGET in "-libx -liby ..." form function(get_link_libraries OUT TARGET) set(RESULT "") get_target_property(LIBRARIES ${TARGET} INTERFACE_LINK_LIBRARIES) foreach(LIB ${LIBRARIES}) if("${LIB}" MATCHES ".*NOTFOUND.*") continue() endif() string(REGEX REPLACE "^.*/lib" "" LIB ${LIB}) # remove leading path and "lib" name prefix string(REGEX REPLACE "-l" "" LIB ${LIB}) # remove leading -l string(REGEX REPLACE "\\.so$" "" LIB ${LIB}) # remove trailing .so list(APPEND RESULT "-l${LIB}") endforeach() list(REMOVE_DUPLICATES RESULT) string(CONCAT RESULT ${RESULT}) # back to string string(REPLACE "-l" " -l" RESULT ${RESULT}) # re-add separators set(${OUT} ${RESULT} PARENT_SCOPE) endfunction() get_link_libraries(PRIVATE_LIBS vncserver) configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libvncserver.pc.cmakein ${CMAKE_CURRENT_BINARY_DIR}/libvncserver.pc @ONLY) get_link_libraries(PRIVATE_LIBS vncclient) configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libvncclient.pc.cmakein ${CMAKE_CURRENT_BINARY_DIR}/libvncclient.pc @ONLY) install_targets(/lib vncserver) install_targets(/lib vncclient) install_files(/include/rfb FILES rfb/keysym.h rfb/rfb.h rfb/rfbclient.h rfb/rfbconfig.h rfb/rfbproto.h rfb/rfbregion.h ) install_files(/lib/pkgconfig FILES libvncserver.pc libvncclient.pc )