1 cmake_minimum_required (VERSION 2.8.11)
3 if(COMMAND cmake_policy)
5 cmake_policy(SET CMP0054 NEW)
8 cmake_policy(SET CMP0042 NEW)
12 include (CheckFunctionExists)
13 include (CheckIncludeFile)
14 include (CheckLibraryExists)
15 include (CheckCXXSourceCompiles)
16 include (CheckCXXCompilerFlag)
17 include (GenerateExportHeader)
19 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
20 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
22 # only relevant for building shared libs but let's set it regardless
23 set(CMAKE_OSX_RPATH 1)
27 # read 'version' file into a variable (stripping any newlines or spaces)
28 file(READ version versionFile)
29 string(STRIP ${versionFile} SIMGEAR_VERSION)
31 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
33 # use simgear version also as the SO version (if building SOs)
34 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
36 # Warning when build is not an out-of-source build.
37 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
39 message(WARNING "Avoid building inside the source tree!")
40 message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
41 message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
45 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
46 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
47 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
48 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
49 SET(CPACK_GENERATOR "TBZ2")
50 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
53 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
54 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
55 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
56 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
57 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
59 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
61 set(CPACK_SOURCE_GENERATOR TBZ2)
62 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
63 set(CPACK_SOURCE_IGNORE_FILES
64 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
66 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
70 # We have some custom .cmake scripts not in the official distribution.
71 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
73 # Change the default build type to something fast
74 if(NOT CMAKE_BUILD_TYPE)
75 set(CMAKE_BUILD_TYPE Release CACHE STRING
76 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
78 endif(NOT CMAKE_BUILD_TYPE)
80 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
81 # differs between all Debian-based vs all other Linux distros.
82 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
83 include(GNUInstallDirs)
84 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
86 #####################################################################################
87 # Configure library search paths
88 #####################################################################################
90 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
91 # Workaround for Ubuntu/Debian which introduced the "multiarch" library
92 # directory structure, which is unsupported by CMake < 2.8.10, so we need to
94 # see http://www.cmake.org/Bug/view.php?id=12049 and
95 # http://www.cmake.org/Bug/view.php?id=12037
96 list(APPEND ADDITIONAL_LIBRARY_PATHS
97 /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
98 /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
99 /lib/${CMAKE_LIBRARY_ARCHITECTURE})
100 message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
103 #####################################################################################
106 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
107 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system libExpat" OFF)
109 # Building SimGear DLLs is currently not supported for MSVC.
110 set(SIMGEAR_SHARED OFF)
111 # Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
112 set(SYSTEM_EXPAT OFF)
115 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
116 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
117 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
118 option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
119 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
120 option(ENABLE_CURL "Set to ON to use libCurl as the HTTP client backend" OFF)
121 option(ENABLE_DNS "Set to ON to use udns library and DNS service resolver" ON)
124 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
126 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
128 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
130 if (EXISTS ${TEST_3RDPARTY_DIR})
131 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
132 else (EXISTS ${TEST_3RDPARTY_DIR})
133 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
134 endif (EXISTS ${TEST_3RDPARTY_DIR})
136 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
139 if (MSVC AND MSVC_3RDPARTY_ROOT)
140 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
141 set( OSG_MSVC "msvc" )
142 if (${MSVC_VERSION} EQUAL 1700)
143 set( OSG_MSVC ${OSG_MSVC}110 )
144 elseif (${MSVC_VERSION} EQUAL 1600)
145 set( OSG_MSVC ${OSG_MSVC}100 )
146 else (${MSVC_VERSION} EQUAL 1700)
147 set( OSG_MSVC ${OSG_MSVC}90 )
148 endif (${MSVC_VERSION} EQUAL 1700)
150 set( OSG_MSVC ${OSG_MSVC}-64 )
151 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
153 set( MSVC_3RDPARTY_DIR 3rdParty )
156 set (CMAKE_LIBRARY_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/lib )
157 set (CMAKE_INCLUDE_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/include)
158 find_path(BOOST_ROOT boost/version.hpp
159 ${MSVC_3RDPARTY_ROOT}/boost
160 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
161 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
162 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
163 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
164 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
165 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
166 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
167 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
168 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
169 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
171 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
172 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
173 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
174 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
175 endif (MSVC AND MSVC_3RDPARTY_ROOT)
178 find_library(COCOA_LIBRARY Cocoa)
180 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
181 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
184 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
185 ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
186 find_package(Threads REQUIRED)
189 # Somehow this only works if included before searching for Boost...
190 include(BoostTestTargets)
192 find_package(Boost REQUIRED)
193 set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
196 message(STATUS "SimGear mode: HEADLESS")
199 message(STATUS "SimGear mode: NORMAL")
200 find_package(OpenGL REQUIRED)
203 find_package(OpenAL REQUIRED)
204 message(STATUS "Sound support: ENABLED")
207 find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
208 endif(SIMGEAR_HEADLESS)
210 find_package(ZLIB REQUIRED)
213 find_package(CURL REQUIRED)
214 message(STATUS "Curl HTTP client: ENABLED")
218 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
219 set(SIMGEAR_SHARED ON)
220 find_package(EXPAT REQUIRED)
223 message(STATUS "Using built-in expat code")
224 # XML_STATIC is important to avoid sg_expat_external.h
225 # declaring symbols as declspec(import)
226 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
227 set(EXPAT_INCLUDE_DIRS
228 ${PROJECT_SOURCE_DIR}/3rdparty/expat
229 ${PROJECT_BINARY_DIR}/3rdparty/expat)
232 include_directories(${EXPAT_INCLUDE_DIRS})
234 check_include_file(inttypes.h HAVE_INTTYPES_H)
235 check_include_file(sys/time.h HAVE_SYS_TIME_H)
236 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
237 check_include_file(unistd.h HAVE_UNISTD_H)
238 check_include_file(windows.h HAVE_WINDOWS_H)
241 # ShivaVG needs inttypes.h
242 add_definitions(-DHAVE_INTTYPES_H)
246 # See if we have any rti library variant installed
247 message(STATUS "RTI: ENABLED")
250 message(STATUS "RTI: DISABLED")
253 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
254 check_function_exists(ftime HAVE_FTIME)
255 check_function_exists(timegm HAVE_TIMEGM)
256 check_function_exists(rint HAVE_RINT)
257 check_function_exists(mkdtemp HAVE_MKDTEMP)
258 check_function_exists(bcopy HAVE_BCOPY)
259 check_function_exists(mmap HAVE_MMAP)
262 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
263 check_cxx_source_compiles(
265 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
266 #error clock_gettime is not supported
269 int main() { return 0; }
275 if(HAVE_CLOCK_GETTIME)
276 check_library_exists(rt clock_gettime "" HAVE_RT)
280 endif(HAVE_CLOCK_GETTIME)
283 check_cxx_source_compiles(
292 check_library_exists(dl dlerror "" HAVE_DL)
298 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
299 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
300 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
301 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
303 # isnan might not be real symbol, so can't check using function_exists
304 check_cxx_source_compiles(
306 int main() { return isnan(0.0);} "
309 check_cxx_source_compiles(
311 int main() { return std::isnan(0.0);} "
314 if(CMAKE_COMPILER_IS_GNUCXX)
315 set(WARNING_FLAGS_CXX "-Wall")
316 set(WARNING_FLAGS_C "-Wall")
318 # certain GCC versions don't provide the atomic builds, and hence
319 # require is to provide them in SGAtomic.cxx
320 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
321 check_cxx_source_compiles(
322 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
323 GCC_ATOMIC_BUILTINS_FOUND)
324 endif(CMAKE_COMPILER_IS_GNUCXX)
326 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
327 # Boost redeclares class members
328 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual -Wno-redeclared-class-member")
329 set(WARNING_FLAGS_C "-Wall")
330 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
331 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11")
332 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
335 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
336 # boost goes haywire wrt static asserts
337 check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
338 if(HAS_NOWARN_UNUSED_TYPEDEFS)
339 set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
346 add_definitions(-D_WIN32_WINNT=0x501)
350 # turn off various warnings
351 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
352 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
353 # endforeach(warning)
355 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
356 if (${MSVC_VERSION} GREATER 1599)
357 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
358 endif (${MSVC_VERSION} GREATER 1599)
362 set(HAVE_GETLOCALTIME 1)
364 set( WINSOCK_LIBRARY "ws2_32.lib" )
365 set( RT_LIBRARY "winmm" )
368 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
369 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
370 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
372 # use BEFORE to ensure local directories are used first,
373 # ahead of system-installed libs
374 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
375 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
376 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
378 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
379 ${Boost_INCLUDE_DIRS}
381 ${OPENAL_INCLUDE_DIR}
385 add_definitions(-DHAVE_CONFIG_H)
387 # configure a header file to pass some of the CMake settings
390 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
391 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
395 # enable CTest / make test target
396 message(STATUS "Tests: ENABLED")
401 message(STATUS "Tests: DISABLED")
404 # always set TEST_LIBS as it is also used by other tools/applications
405 set(TEST_LIBS_INTERNAL_CORE
406 ${CMAKE_THREAD_LIBS_INIT}
413 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
415 if(NOT SIMGEAR_HEADLESS)
416 set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
419 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
421 include_directories(3rdparty/utf8/source)
423 message(STATUS "DNS resolver: ENABLED")
424 include_directories(3rdparty/udns)
426 message(STATUS "DNS resolver: DISABLED")
430 add_subdirectory(3rdparty)
431 add_subdirectory(simgear)
433 #-----------------------------------------------------------------------------
434 ### Export stuff, see https://cmake.org/cmake/help/v3.2/manual/cmake-packages.7.html#creating-packages
435 #-----------------------------------------------------------------------------
437 generate_export_header(SimGearCore)
438 if(NOT SIMGEAR_HEADLESS)
439 generate_export_header(SimGearScene)
442 include(CMakePackageConfigHelpers)
444 write_basic_package_version_file(
445 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
446 VERSION ${SIMGEAR_VERSION}
447 COMPATIBILITY AnyNewerVersion
450 configure_file(SimGearConfig.cmake.in
451 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
455 set(ConfigPackageLocation lib/cmake/SimGear)
456 install(EXPORT SimGearTargets
457 DESTINATION ${ConfigPackageLocation}
461 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
462 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
463 DESTINATION ${ConfigPackageLocation}
467 #-----------------------------------------------------------------------------
469 #-----------------------------------------------------------------------------
471 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
472 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
474 ADD_CUSTOM_TARGET(uninstall
475 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")