cmake_minimum_required (VERSION 3.10) include (CheckFunctionExists) include (CheckVariableExists) include (CheckCSourceCompiles) include (CheckCXXSourceCompiles) include (CheckIncludeFile) include (CheckIncludeFileCXX) cmake_policy(SET CMP0054 NEW) cmake_policy(SET CMP0042 NEW) # Mac RPATH policy # AUTOMOC/AUTOUIC on generated files policy. Since we only # generate resource files with fgrcc which don't use Qt, # we set those files source property. See the help for this # policy for more info cmake_policy(SET CMP0071 NEW) # OpenGL VND policy : use the old definition for now, until we can audit this if(POLICY CMP0072) cmake_policy(SET CMP0072 OLD) endif() message("CMAKE Build type: ${CMAKE_BUILD_TYPE}") # Set a default build type if none was specified if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) message(STATUS "Setting build type to 'Debug' as none was specified.") set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build." FORCE) # Set the possible values of build type for cmake-gui set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo") endif() if(NOT FG_BUILD_TYPE) message(STATUS "Setting build type to 'Dev' as none was specified.") set(FG_BUILD_TYPE Dev CACHE STRING "Choose the FlightGear build type" FORCE) # Set the possible values of build type for cmake-gui set_property(CACHE FG_BUILD_TYPE PROPERTY STRINGS "Dev" "Nightly" "Release") endif() if(APPLE) set(CMAKE_INSTALL_RPATH "@loader_path/../Frameworks") # when building, don't use the install RPATH already # (but later on when installing) SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE) endif() set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED YES) set(CMAKE_OSX_DEPLOYMENT_TARGET "10.12" CACHE STRING "Minimum OS X deployment version") project(FlightGear) # Define SRC_PARENT_DIR as the parent directory of the project source directory get_filename_component(SRC_PARENT_DIR ${PROJECT_SOURCE_DIR} DIRECTORY) # We have some custom .cmake scripts not in the official distribution. set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}") set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE) # Warning when build is not an out-of-source build. string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild) if(InSourceBuild) message(WARNING "Avoid building inside the source tree!") message(WARNING "Create a separate build directory instead (i.e. 'fgbuild') and call CMake from there: ") message(WARNING " mkdir ../fgbuild && cd ../fgbuild && cmake ${CMAKE_SOURCE_DIR}") endif(InSourceBuild) include(GNUInstallDirs) # System detection/default settings include( DetectDistro ) include( DetectBrowser ) include( ExportDebugSymbols ) set(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually d on windows") set(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows") set(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows") set(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows") # read 'version' file into a variable (stripping any newlines or spaces) file(READ flightgear-version versionFile) if (NOT versionFile) message(FATAL_ERROR "Unable to determine FlightGear version. Version file is missing.") endif() string(STRIP "${versionFile}" FLIGHTGEAR_VERSION) # add a dependency on the version file set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS version) # FlightGear packaging (to build a source tarball) include( ConfigureCPack ) # FlightGear base package path if (FG_DATA_DIR) message(STATUS "Using explicit data directory for base package: ${FG_DATA_DIR}") elseif(IS_DIRECTORY "${SRC_PARENT_DIR}/fgdata") set(FG_DATA_DIR "${SRC_PARENT_DIR}/fgdata") message(STATUS "Using data directory for base package: ${FG_DATA_DIR}") else() set(FG_DATA_DIR "${CMAKE_INSTALL_PREFIX}/lib/FlightGear" CACHE PATH "Default location where data files are located") message(STATUS "Using default data directory for base package: ${FG_DATA_DIR}") endif() ##################################################################################### # Configure library search paths ##################################################################################### find_package(Threads REQUIRED) IF(APPLE) set(EVENT_INPUT_DEFAULT 1) find_library(CORESERVICES_LIBRARY CoreServices) find_library(COCOA_LIBRARY Cocoa) list(APPEND PLATFORM_LIBS ${COCOA_LIBRARY} ${CORESERVICES_LIBRARY}) elseif(WIN32) set(EVENT_INPUT_DEFAULT 1) list(APPEND PLATFORM_LIBS "Shlwapi.lib") set(CMAKE_INSTALL_SYSTEM_RUNTIME_DESTINATION "bin") set(CMAKE_INSTALL_UCRT_LIBRARIES TRUE) include(InstallRequiredSystemLibraries) message(STATUS "Installing: ${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS}") elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD") find_package(X11 REQUIRED) set(USE_DBUS_DEFAULT 1) find_package(UDev QUIET) if(UDEV_FOUND) set(EVENT_INPUT_DEFAULT 1) endif(UDEV_FOUND) find_package(Speex) find_package(Speexdsp) if(SPEEX_FOUND AND SPEEXDSP_FOUND) set(SYSTEM_SPEEX_DEFAULT 1) endif(SPEEX_FOUND AND SPEEXDSP_FOUND) find_package(Gsm) if(GSM_FOUND) set(SYSTEM_GSM_DEFAULT 1) endif(GSM_FOUND) find_package(Flite) if(FLITE_FOUND) set(SYSTEM_FLITE_DEFAULT 1) endif() find_package(HtsEngine) if(HTS_ENGINE_FOUND) set(SYSTEM_HTS_ENGINE_DEFAULT 1) endif() endif() # FlightGear build options option(LOGGING "Set to ON to build FlightGear with logging support (default)" ON) option(JSBSIM_TERRAIN "Set to ON to build FlightGear with JSBSim terrain handling code" ON) option(SP_FDMS "Set to ON to build FlightGear with special-purpose FDMs" ON) option(ENABLE_UIUC_MODEL "Set to ON to build FlightGear with UIUCModel FDM" ON) option(ENABLE_LARCSIM "Set to ON to build FlightGear with LaRCsim FDM" ON) option(ENABLE_YASIM "Set to ON to build FlightGear with YASIM FDM (default)" ON) option(ENABLE_JSBSIM "Set to ON to build FlightGear with JSBSim FDM (default)" ON) option(EVENT_INPUT "Set to ON to build FlightGear with event-based Input support" ${EVENT_INPUT_DEFAULT}) option(ENABLE_RTI "Set to ON to build FlightGear with RTI support" OFF) option(SYSTEM_SQLITE "Set to ON to build FlightGear with the system's SQLite3 library" OFF) option(ENABLE_IAX "Set to ON to build FlightGear with IAXClient/fgcom built-in (default)" ON) option(USE_DBUS "Set to ON to build FlightGear with DBus screensaver interaction (default on Linux)" ${USE_DBUS_DEFAULT}) option(SYSTEM_SPEEX "Set to ON to build IAXClient with the system's speex and speexdsp library" ${SYSTEM_SPEEX_DEFAULT}) option(SYSTEM_GSM "Set to ON to build IAXClient with the system's GSM library" ${SYSTEM_GSM_DEFAULT}) option(SYSTEM_FLITE "Set to ON to build Flightgear with the system's Flite library" ${SYSTEM_FLITE_DEFAULT}) option(SYSTEM_HTS_ENGINE "Set to ON to build Flightgear with the system's HTS Engine library" ${SYSTEM_HTS_ENGINE_DEFAULT}) option(SYSTEM_CPPUNIT "Set to ON to build Flightgear with the system's CppUnit library") # additional utilities option(ENABLE_FGELEV "Set to ON to build the fgelev application (default)" ON) option(WITH_FGPANEL "Set to ON to build the fgpanel application" OFF) option(ENABLE_FGVIEWER "Set to ON to build the fgviewer application (default)" ON) option(ENABLE_GPSSMOOTH "Set to ON to build the GPSsmooth application (default)" ON) option(ENABLE_FGJS "Set to ON to build the fgjs application (default)" ON) option(ENABLE_JS_DEMO "Set to ON to build the js_demo application (default)" ON) option(ENABLE_METAR "Set to ON to build the metar application (default)" ON) option(ENABLE_STGMERGE "Set to ON to build the stgmerge application (default)" OFF) option(ENABLE_FGCOM "Set to ON to build the FGCom application (default)" ON) option(ENABLE_QT "Set to ON to build the internal Qt launcher" ON) option(ENABLE_TRAFFIC "Set to ON to build the external traffic generator modules" ON) option(ENABLE_FGQCANVAS "Set to ON to build the Qt-based remote canvas application" OFF) option(ENABLE_DEMCONVERT "Set to ON to build the dem conversion tool (default)" ON) option(ENABLE_HID_INPUT "Set to ON to build HID-based input code" ${EVENT_INPUT_DEFAULT}) option(ENABLE_PLIB_JOYSTICK "Set to ON to enable legacy joystick code (default)" ON) option(ENABLE_COMPOSITOR "Set to ON to enable the Compositor-based Viewer" OFF) option(ENABLE_SWIFT "Set to ON to build the swift module" ON) # Test-suite options. option(ENABLE_AUTOTESTING "Set to ON to execute the test suite after building the test_suite target (default)" ON) include (DetectArch) # when building an OSG with commit 15ec7e2ae7a8b983ecc44e1ce7363a9a9fa7da95 # applied, we can use better link options option(OSG_FSTREAM_EXPORT_FIXED "Set to ON if the osgDB fstream export patch is applied" OFF) if(LOGGING) # nothing else() set(FG_NDEBUG 1) endif() if(JSBSIM_TERRAIN) set(JSBSIM_USE_GROUNDREACTIONS 1) endif() if(SP_FDMS) set(ENABLE_SP_FDM 1) endif() if(ENABLE_FGCOM) set(ENABLE_IAX 1) endif() # Setup MSVC 3rd party directories include( ConfigureMsvc3rdParty ) if(EVENT_INPUT) if(APPLE) add_definitions(-DWITH_EVENTINPUT) find_library(IOKIT_FRAMEWORK IOKit) list(APPEND EVENT_INPUT_LIBRARIES ${IOKIT_FRAMEWORK}) elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|FreeBSD|OpenBSD") if(NOT UDEV_FOUND) message(WARNING "UDev not found, event input is disabled!") set(EVENT_INPUT 0) # HIDraw backend for hidapi also needs UDev, so also force # HID-input to off in this scenario set(ENABLE_HID_INPUT 0) else() add_definitions(-DWITH_EVENTINPUT) set(EVENT_INPUT_LIBRARIES ${UDEV_LIBRARIES}) message(STATUS "event-based input enabled. Using ${UDEV_LIBRARIES}") endif() else() add_definitions(-DWITH_EVENTINPUT) endif() if (ENABLE_HID_INPUT) message(STATUS "Enabling HID-API input") list(APPEND EVENT_INPUT_LIBRARIES hidapi) endif() endif(EVENT_INPUT) include(SetupSwiftLibraries) if (SYSTEM_CPPUNIT) find_package(CppUnit REQUIRED) endif() # check required dependencies find_package(Boost REQUIRED) find_package(OpenGL REQUIRED) find_package(OpenSceneGraph 3.4.1 REQUIRED osgText osgSim osgDB osgParticle osgFX osgUtil osgViewer osgGA ) find_package(sentry QUIET) set(sentry_api_key $ENV{FLIGHTGEAR_SENTRY_API_KEY}) if (TARGET sentry::sentry) if (NOT sentry_api_key) message(STATUS "Sentry.io crash reporting detected, but FLIGHTGEAR_SENTRY_API_KEY not set") else() message(STATUS "Sentry.io crash reporting enabled") set(HAVE_SENTRY 1) endif() endif() ############################################################################## ## Sqlite3 setup if (SYSTEM_SQLITE) find_package(SQLite3 REQUIRED) message(STATUS "Using system SQLite3 library") endif (SYSTEM_SQLITE) ############################################################################## ## DBus setup if (USE_DBUS) find_package(DBus) endif (USE_DBUS) ############################################################################## ## Qt5 setup setup if (ENABLE_QT) find_package(Qt5 5.9 COMPONENTS Widgets Gui Network Qml Quick Svg) if (Qt5Widgets_FOUND) set(HAVE_QT 1) include (Translations) # extract the Qt root direction, since we need it for a few things if (TARGET Qt5::qmake) get_target_property(_qt5_qmake_path Qt5::qmake LOCATION) get_filename_component(FG_QT_BIN_DIR ${_qt5_qmake_path} DIRECTORY) get_filename_component(FG_QT_ROOT_DIR ${FG_QT_BIN_DIR} DIRECTORY) endif() message(STATUS "Qt GUI enabled, found Qt at: ${FG_QT_ROOT_DIR}") else() message(STATUS "Qt GUI disabled, Qt/qmake not found in PATH/CMAKE_PREFIX_PATH") # don't try to build FGQCanvas if Qt wasn't found correctly set(ENABLE_FGQCANVAS OFF) endif() # we would ideally use TARGET::Qt5GuiPrivate but Fedora broke it # perform a manual check instead # see https://bugzilla.redhat.com/show_bug.cgi?id=1846613 set (CMAKE_REQUIRED_INCLUDES ${Qt5Gui_PRIVATE_INCLUDE_DIRS} ${Qt5Gui_INCLUDE_DIRS}) check_include_file_cxx("private/qopenglcontext_p.h" REALLY_HAVE_QGUIPRIVATE) if (REALLY_HAVE_QGUIPRIVATE) set(ENABLE_QQ_UI 1) else() message(STATUS "QtGui private headers not available.") endif() else() set(ENABLE_FGQCANVAS OFF) endif (ENABLE_QT) ############################################################################## find_package(PLIB REQUIRED puaux pu) # FlightGear and SimGear versions need to match major + minor # split version string into components, note CMAKE_MATCH_0 is the entire regexp match string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" VERSION_REGEX ${FLIGHTGEAR_VERSION} ) set(FG_VERSION_MAJOR ${CMAKE_MATCH_1}) set(FG_VERSION_MINOR ${CMAKE_MATCH_2}) set(FG_VERSION_PATCH ${CMAKE_MATCH_3}) set(MIN_SIMGEAR_VERSION "${FG_VERSION_MAJOR}.${FG_VERSION_MINOR}.0") message(STATUS "Min Simgear version is ${MIN_SIMGEAR_VERSION}") find_package(SimGear ${MIN_SIMGEAR_VERSION} CONFIG REQUIRED) ############################################################################## if(ENABLE_RTI) message(STATUS "RTI: ENABLED") set(FG_HAVE_HLA 1) endif(ENABLE_RTI) if (ENABLE_SIMD) message(STATUS "SSE/SSE2 support: ENABLED") endif() if(CMAKE_COMPILER_IS_GNUCXX) set(WARNING_FLAGS_CXX "-Wall") set(WARNING_FLAGS_C "-Wall") if (X86 OR X86_64) set(SIMD_COMPILER_FLAGS "-msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize") endif() endif(CMAKE_COMPILER_IS_GNUCXX) if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" ) set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual \ -Wno-redeclared-class-member \ -Wno-inconsistent-missing-override \ -Wno-unused-local-typedef") # override CMake default RelWithDebInfo flags. set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG") set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG") set(SIMD_COMPILER_FLAGS "-msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize") set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") set(WARNING_FLAGS_C "-Wall") endif() # ASan is enabled in SimGear's configuration, in case you are # wondering why there is no option() for it above. if (ENABLE_ASAN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fsanitize=address") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address") # needed for check_cxx_source_compiles set(CMAKE_REQUIRED_LINK_OPTIONS "-fsanitize=address") endif() if(WIN32) if(MSVC) # override CMake default RelWithDebInfo flags. This is important to ensure # good performance set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Zi /O2 /Ob2 /D NDEBUG") set(CMAKE_C_FLAGS_RELWITHDEBINFO "/Zi /O2 /Ob2 /D NDEBUG") set(MSVC_FLAGS "/bigobj -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS -D_HAS_STD_BYTE=0") if (X86) set(SIMD_COMPILER_FLAGS "/arch:SSE /arch:SSE2") endif() if (NOT OSG_FSTREAM_EXPORT_FIXED AND ${MSVC_VERSION} GREATER 1599) message(STATUS "For better linking performance, use OSG with fixed fstream header") # needed to avoid link errors on multiply-defined standard C++ # symbols. This issue was fixed in OSG commit 15ec7e2ae7a8b983ecc44e1ce7363a9a9fa7da95 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" ) endif () endif(MSVC) set(NOMINMAX 1) endif(WIN32) set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION -DBOOST_NO_STDLIB_CONFIG -DBOOST_NO_AUTO_PTR -DBOOST_NO_CXX98_BINDERS") # append the SIMD flags if requested if (ENABLE_SIMD) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SIMD_COMPILER_FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SIMD_COMPILER_FLAGS}") # set for multi-configuration generators set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${SIMD_COMPILER_FLAGS}") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${SIMD_COMPILER_FLAGS}") set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${SIMD_COMPILER_FLAGS}") set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${SIMD_COMPILER_FLAGS}") endif() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS} -D_REENTRANT") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} -D_REENTRANT ${BOOST_CXX_FLAGS}") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}") add_definitions(-DHAVE_CONFIG_H) include (CheckPOSIXFeatures) set(FG_TEST_SUITE_DATA "${CMAKE_SOURCE_DIR}/test_suite/test_data") # configure a header file to pass some of the CMake settings # to the source code configure_file ( "${PROJECT_SOURCE_DIR}/src/Include/config_cmake.h.in" "${PROJECT_BINARY_DIR}/src/Include/config.h" ) # Setup flightgearBuildId.h header, each build include( GenerateBuildInfo ) # global includes: these are used by every single target, so we do set them globally # even though that's not strictly best practice include_directories(${PROJECT_BINARY_DIR}/src/Include) include_directories(${PROJECT_BINARY_DIR}/src) # for version.h include_directories(${PROJECT_SOURCE_DIR}/src) add_subdirectory(3rdparty) add_subdirectory(utils) add_subdirectory(src) add_subdirectory(icons) add_subdirectory(man) add_subdirectory(package) add_subdirectory(scripts) #---------------------------------------------------------------------------- ### MSVC startup project - ensure you can just hit build & run in MSVC set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT fgfs) include(Installation) # The test suite. enable_testing() add_subdirectory(test_suite EXCLUDE_FROM_ALL)