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- #
- # Setup
- #
-
- cmake_minimum_required(VERSION 2.6)
-
- include(CheckIncludeFiles)
- include(CheckFunctionExists)
- include(CheckTypeSize)
- include(CheckCSourceCompiles)
-
- project(TigerVNC)
- set(VERSION 1.0.90)
-
- # The RC version must always be four comma-separated numbers
- set(RCVERSION 1,0,90,0)
-
- # 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()
-
- 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: ${CMAKE_RC_COMPILER}")
- set(CMAKE_RC_COMPILE_OBJECT
- "<CMAKE_RC_COMPILER> <FLAGS> <DEFINES> -o <OBJECT> --output-format=coff <SOURCE>")
- endif()
-
- # Check for zlib
- find_package(ZLIB)
- option(USE_INCLUDED_ZLIB "Force use of the bundled zlib")
- if(NOT ZLIB_FOUND)
- message(STATUS "System zlib not found. Using included zlib")
- set(USE_INCLUDED_ZLIB 1)
- endif()
-
- # Check for libjpeg
- find_package(JPEG REQUIRED)
-
- # Warn if it doesn't seem to be the accelerated libjpeg that's found
- check_c_source_compiles("#include <stdio.h>\n#include <jpeglib.h>\nint main(int c, char** v) { return JCS_EXT_RGBX; }" FOUND_JPEG_TURBO)
- if(NOT FOUND_JPEG_TURBO)
- message(STATUS "WARNING: You are not using libjpeg-turbo. Performance will suffer.")
- endif()
-
- # Check for GNUTLS library
- find_package(GnuTLS)
- if(GNUTLS_FOUND)
- include_directories(${GNUTLS_INCLUDE_DIR})
- add_definitions("-DHAVE_GNUTLS")
- add_definitions(${GNUTLS_DEFINITIONS})
- endif()
-
- # Check for socket functions
- if(WIN32)
- set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h ws2tcpip.h)
- set(CMAKE_REQUIRED_LIBRARIES ws2_32)
- else()
- set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
- endif()
- check_function_exists(inet_aton HAVE_INET_ATON)
- check_function_exists(inet_ntop HAVE_INET_NTOP)
- check_type_size(socklen_t SOCKLEN_T)
- set(CMAKE_EXTRA_INCLUDE_FILES)
- set(CMAKE_REQUIRED_LIBRARIES)
-
- # Check for the newer standard string functions
- check_function_exists(snprintf HAVE_SNPRINTF)
- check_function_exists(strcasecmp HAVE_STRCASECMP)
- check_function_exists(strncasecmp HAVE_STRNCASECMP)
- check_function_exists(vsnprintf HAVE_VSNPRINTF)
-
- # Generate config.h and make sure the source finds it
- configure_file(config.h.cmake.in config.h)
- add_definitions(-DHAVE_CONFIG_H)
- include_directories(${CMAKE_BINARY_DIR})
-
- # 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()
-
- add_subdirectory(common)
- add_subdirectory(win)
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