Shared TDE VNC library sources
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cmake_minimum_required( VERSION 3.1 )
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 ${CMAKE_CURRENT_SOURCE_DIR}/test)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
include_directories(${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 <stdio.h>\n
#include <jpeglib.h>\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}
)