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#
# Setup
#
cmake_minimum_required(VERSION 2.6)
include(CheckIncludeFiles)
include(CheckFunctionExists)
include(CheckTypeSize)
include(CheckCSourceCompiles)
include(CheckCXXSourceCompiles)
project(TigerVNC)
set(VERSION 1.0.90)
# The RC version must always be four comma-separated numbers
set(RCVERSION 1,0,90,0)
# Manual toggle until we can deprecate the old viewers
option(BUILD_NEW_VNCVIEWER "Build the new FLTK based vncviewer instead of the old ones")
# Compatibility variables for the migration from autotools
add_definitions(-DPACKAGE_NAME="${CMAKE_PROJECT_NAME}")
add_definitions(-DPACKAGE_VERSION="${VERSION}")
add_definitions(-DLOCALEDIR="${CMAKE_INSTALL_PREFIX}/share/locale")
# Try to encode today's date into the build id. We assume that MSVC
# means we need to use a native Windows method, otherwise we assume
# some kind of Unix system. The id will be empty if things fail.
set(BUILD "")
if(MSVC)
execute_process(COMMAND "${CMAKE_SOURCE_DIR}/cmakescripts/getdate.bat"
OUTPUT_VARIABLE BUILD)
else()
execute_process(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE BUILD)
endif()
if(NOT BUILD)
set(BUILD "")
else()
string(REGEX REPLACE "\n" "" BUILD ${BUILD})
endif()
# Default to optimised builds instead of debug ones. Our code has no bugs ;)
# (CMake makes it fairly easy to toggle this back to Debug if needed)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
message(STATUS "CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")
# This only works if building from the command line. There is currently no way
# to set a variable's value based on the build type when using the MSVC IDE.
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(BUILD "${BUILD}d")
endif()
message(STATUS "VERSION = ${VERSION}, BUILD = ${BUILD}")
if(NOT DEFINED BUILD_WINVNC)
if(MSVC)
set(BUILD_WINVNC 1)
else()
set(BUILD_WINVNC 0)
endif()
endif()
if(MSVC)
# Use the static C library for all build types
foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if(${var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${var} "${${var}}")
endif()
endforeach()
# NOTE: 4244 and 4267 are 64-bit to 32-bit conversion warnings, so normally
# it is not a good idea to disable them, but we do this to duplicate the
# behavior of GCC, which is less strict.
add_definitions(-wd4244 -wd4267 -wd4800 -wd4996)
endif()
# Minimum version is Windows 2000 (5.0)
if(NOT CMAKE_SIZEOF_VOID_P MATCHES 8)
add_definitions(-D_WIN32_IE=0x0500 -D_WIN32_WINNT=0x0500)
else()
# Win64 doesn't like us requesting a Windows version that didn't have
# 64-bit support. Request XP (5.1) instead.
add_definitions(-D_WIN32_IE=0x0501 -D_WIN32_WINNT=0x0501)
endif()
if(CMAKE_SIZEOF_VOID_P MATCHES 8)
message(STATUS "64-bit build")
else()
message(STATUS "32-bit build")
endif()
# CMake doesn't properly support resource compilation with MinGW. Boo!
if(MINGW)
if(NOT DEFINED RC)
set(CMAKE_RC_COMPILER_INIT windres)
else()
set(CMAKE_RC_COMPILER_INIT ${RC})
endif()
enable_language(RC)
message(STATUS "Resource compiler: ${CMAKE_RC_COMPILER}")
set(CMAKE_RC_COMPILE_OBJECT
"<CMAKE_RC_COMPILER> <FLAGS> <DEFINES> -o <OBJECT> --output-format=coff <SOURCE>")
endif()
# X11 stuff. It's in a if() so that we can say REQUIRED
if(UNIX)
find_package(X11 REQUIRED)
endif()
# Check for zlib
find_package(ZLIB)
option(USE_INCLUDED_ZLIB "Force use of the bundled zlib")
if(NOT ZLIB_FOUND)
message(STATUS "System zlib not found. Using included zlib")
set(USE_INCLUDED_ZLIB 1)
endif()
# Check for libjpeg
find_package(JPEG REQUIRED)
# Warn if it doesn't seem to be the accelerated libjpeg that's found
check_c_source_compiles("#include <stdio.h>\n#include <jpeglib.h>\nint main(int c, char** v) { return JCS_EXT_RGBX; }" FOUND_JPEG_TURBO)
if(NOT FOUND_JPEG_TURBO)
message(STATUS "WARNING: You are not using libjpeg-turbo. Performance will suffer.")
endif()
# Check for FLTK
if(BUILD_NEW_VNCVIEWER)
set(FLTK_SKIP_FLUID TRUE)
set(FLTK_SKIP_OPENGL TRUE)
find_package(FLTK COMPONENTS REQUIRED)
# FLTK STR #2599
set(CMAKE_REQUIRED_INCLUDES ${FLTK_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${FLTK_LIBRARIES})
check_cxx_source_compiles("#include <FL/Fl.H>\nint main(int c, char** v) { Fl::event_compose_symbol(); return 0; }" HAVE_FLTK_DEAD_KEYS)
set(CMAKE_REQUIRED_INCLUDES)
set(CMAKE_REQUIRED_LIBRARIES)
endif()
# Check for GNUTLS library
find_package(GnuTLS)
if(GNUTLS_FOUND)
include_directories(${GNUTLS_INCLUDE_DIR})
add_definitions("-DHAVE_GNUTLS")
add_definitions(${GNUTLS_DEFINITIONS})
# Detect old version of GnuTLS
set(CMAKE_EXTRA_INCLUDE_FILES gnutls/gnutls.h)
set(CMAKE_REQUIRED_LIBRARIES gnutls)
check_function_exists(gnutls_transport_set_global_errno HAVE_OLD_GNUTLS)
check_function_exists(gnutls_x509_crt_print HAVE_GNUTLS_X509_CRT_PRINT)
check_type_size(gnutls_x509_crt_t GNUTLS_X509_CRT_T)
check_type_size(gnutls_datum_t GNUTLS_DATUM_T)
check_type_size(gnutls_pk_algorithm_t GNUTLS_PK_ALGORITHM_T)
check_type_size(gnutls_sign_algorithm_t GNUTLS_SIGN_ALGORITHM_T)
set(CMAKE_EXTRA_INCLUDE_FILES)
set(CMAKE_REQUIRED_LIBRARIES)
endif()
# Check for socket functions
if(WIN32)
set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h ws2tcpip.h)
set(CMAKE_REQUIRED_LIBRARIES ws2_32)
else()
set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
endif()
check_function_exists(inet_aton HAVE_INET_ATON)
check_function_exists(inet_ntop HAVE_INET_NTOP)
check_type_size(socklen_t SOCKLEN_T)
set(CMAKE_EXTRA_INCLUDE_FILES)
set(CMAKE_REQUIRED_LIBRARIES)
# Check for the newer standard string functions
check_function_exists(snprintf HAVE_SNPRINTF)
check_function_exists(strcasecmp HAVE_STRCASECMP)
check_function_exists(strncasecmp HAVE_STRNCASECMP)
check_function_exists(vsnprintf HAVE_VSNPRINTF)
# Generate config.h and make sure the source finds it
configure_file(config.h.cmake.in config.h)
add_definitions(-DHAVE_CONFIG_H)
include_directories(${CMAKE_BINARY_DIR})
add_subdirectory(common)
if(WIN32)
add_subdirectory(win)
else()
add_subdirectory(unix)
endif()
if(BUILD_NEW_VNCVIEWER)
add_subdirectory(vncviewer)
endif()
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