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)
25 # Set the C++ standard to C++98 to avoid compilation errors on GCC 6 (which
27 if(CMAKE_VERSION VERSION_LESS "3.1")
28 if(CMAKE_COMPILER_IS_GNUCXX)
29 set (CMAKE_CXX_FLAGS "-std=gnu++98 ${CMAKE_CXX_FLAGS}")
32 set (CMAKE_CXX_STANDARD 98)
37 # read 'version' file into a variable (stripping any newlines or spaces)
38 file(READ version versionFile)
39 string(STRIP ${versionFile} SIMGEAR_VERSION)
41 # add a dependency on the versino file
42 set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS version)
44 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
46 # use simgear version also as the SO version (if building SOs)
47 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
49 # Warning when build is not an out-of-source build.
50 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
52 message(WARNING "Avoid building inside the source tree!")
53 message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
54 message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
58 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
59 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
60 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
61 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
62 SET(CPACK_GENERATOR "TBZ2")
63 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
66 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
67 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
68 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
69 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
70 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
72 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
74 set(CPACK_SOURCE_GENERATOR TBZ2)
75 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
76 set(CPACK_SOURCE_IGNORE_FILES
77 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
79 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
83 # We have some custom .cmake scripts not in the official distribution.
84 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
86 # Change the default build type to something fast
87 if(NOT CMAKE_BUILD_TYPE)
88 set(CMAKE_BUILD_TYPE Release CACHE STRING
89 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
91 endif(NOT CMAKE_BUILD_TYPE)
93 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
94 # differs between all Debian-based vs all other Linux distros.
95 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
96 include(GNUInstallDirs)
97 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
99 #####################################################################################
100 # Configure library search paths
101 #####################################################################################
103 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
104 # Workaround for Ubuntu/Debian which introduced the "multiarch" library
105 # directory structure, which is unsupported by CMake < 2.8.10, so we need to
107 # see http://www.cmake.org/Bug/view.php?id=12049 and
108 # http://www.cmake.org/Bug/view.php?id=12037
109 list(APPEND ADDITIONAL_LIBRARY_PATHS
110 /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
111 /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
112 /lib/${CMAKE_LIBRARY_ARCHITECTURE})
113 message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
116 #####################################################################################
119 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
120 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system expat library" OFF)
121 option(SYSTEM_UDNS "Set to ON to build SimGear using the system udns library" OFF)
123 # Building SimGear DLLs is currently not supported for MSVC.
124 set(SIMGEAR_SHARED OFF)
125 # Using external 3rd party libraries is currently not supported for MSVC - it would require shared simgear (DLL).
126 set(SYSTEM_EXPAT OFF)
130 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
131 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
132 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
133 option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
134 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
135 option(ENABLE_DNS "Set to ON to use udns library and DNS service resolver" ON)
138 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
140 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
142 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
144 if (EXISTS ${TEST_3RDPARTY_DIR})
145 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
146 else (EXISTS ${TEST_3RDPARTY_DIR})
147 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
148 endif (EXISTS ${TEST_3RDPARTY_DIR})
150 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
153 if (MSVC AND MSVC_3RDPARTY_ROOT)
154 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
156 set( OSG_MSVC "msvc" )
157 if (${MSVC_VERSION} EQUAL 1900)
158 set( OSG_MSVC ${OSG_MSVC}140 )
159 elseif (${MSVC_VERSION} EQUAL 1800)
160 set( OSG_MSVC ${OSG_MSVC}120 )
161 elseif (${MSVC_VERSION} EQUAL 1700)
162 set( OSG_MSVC ${OSG_MSVC}110 )
163 elseif (${MSVC_VERSION} EQUAL 1600)
164 set( OSG_MSVC ${OSG_MSVC}100 )
167 set( OSG_MSVC ${OSG_MSVC}-64 )
168 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
170 set( MSVC_3RDPARTY_DIR 3rdParty )
173 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 )
174 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)
176 GET_FILENAME_COMPONENT(MSVC_ROOT_PARENT_DIR ${MSVC_3RDPARTY_ROOT} PATH)
177 find_path(BOOST_ROOT boost/version.hpp
179 ${MSVC_ROOT_PARENT_DIR}
180 ${MSVC_3RDPARTY_ROOT}/boost
181 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
182 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
183 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
184 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
185 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
186 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
187 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
188 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
189 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
190 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
192 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
193 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
194 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
195 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
196 endif (MSVC AND MSVC_3RDPARTY_ROOT)
199 find_library(COCOA_LIBRARY Cocoa)
201 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
202 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
205 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
206 ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
207 find_package(Threads REQUIRED)
210 # Somehow this only works if included before searching for Boost...
211 include(BoostTestTargets)
213 find_package(Boost REQUIRED)
214 set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
217 message(STATUS "SimGear mode: HEADLESS")
220 message(STATUS "SimGear mode: NORMAL")
221 find_package(OpenGL REQUIRED)
224 find_package(OpenAL REQUIRED)
225 message(STATUS "Sound support: ENABLED")
228 find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
229 endif(SIMGEAR_HEADLESS)
231 find_package(ZLIB REQUIRED)
232 find_package(CURL REQUIRED)
235 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
236 set(SIMGEAR_SHARED ON)
237 find_package(EXPAT REQUIRED)
240 message(STATUS "Using built-in expat code")
241 # XML_STATIC is important to avoid sg_expat_external.h
242 # declaring symbols as declspec(import)
243 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
244 set(EXPAT_INCLUDE_DIRS
245 ${PROJECT_SOURCE_DIR}/3rdparty/expat
246 ${PROJECT_BINARY_DIR}/3rdparty/expat)
249 include_directories(${EXPAT_INCLUDE_DIRS})
251 check_include_file(inttypes.h HAVE_INTTYPES_H)
252 check_include_file(sys/time.h HAVE_SYS_TIME_H)
253 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
254 check_include_file(unistd.h HAVE_UNISTD_H)
255 check_include_file(windows.h HAVE_WINDOWS_H)
258 # ShivaVG needs inttypes.h
259 add_definitions(-DHAVE_INTTYPES_H)
263 # See if we have any rti library variant installed
264 message(STATUS "RTI: ENABLED")
267 message(STATUS "RTI: DISABLED")
270 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
271 check_function_exists(ftime HAVE_FTIME)
272 check_function_exists(timegm HAVE_TIMEGM)
273 check_function_exists(rint HAVE_RINT)
274 check_function_exists(mkdtemp HAVE_MKDTEMP)
275 check_function_exists(bcopy HAVE_BCOPY)
276 check_function_exists(mmap HAVE_MMAP)
279 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
280 check_cxx_source_compiles(
282 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
283 #error clock_gettime is not supported
286 int main() { return 0; }
292 if(HAVE_CLOCK_GETTIME)
293 check_library_exists(rt clock_gettime "" HAVE_RT)
297 endif(HAVE_CLOCK_GETTIME)
300 check_cxx_source_compiles(
309 check_library_exists(dl dlerror "" HAVE_DL)
315 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
316 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
317 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
318 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
320 # isnan might not be real symbol, so can't check using function_exists
321 check_cxx_source_compiles(
323 int main() { return isnan(0.0);} "
326 check_cxx_source_compiles(
328 int main() { return std::isnan(0.0);} "
331 if(CMAKE_COMPILER_IS_GNUCXX)
332 set(WARNING_FLAGS_CXX "-Wall")
333 set(WARNING_FLAGS_C "-Wall")
335 # certain GCC versions don't provide the atomic builds, and hence
336 # require is to provide them in SGAtomic.cxx
337 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
338 check_cxx_source_compiles(
339 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
340 GCC_ATOMIC_BUILTINS_FOUND)
341 endif(CMAKE_COMPILER_IS_GNUCXX)
343 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
344 # Boost redeclares class members
345 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual -Wno-redeclared-class-member")
346 set(WARNING_FLAGS_C "-Wall")
347 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
348 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11")
349 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
352 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
353 # boost goes haywire wrt static asserts
354 check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
355 if(HAS_NOWARN_UNUSED_TYPEDEFS)
356 set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
363 add_definitions(-D_WIN32_WINNT=0x501)
367 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /MP")
369 if (${MSVC_VERSION} GREATER 1599)
370 # needed to avoid link errors on multiply-defined standard C++
371 # symbols. Suspect this may be an OSG-DB export bug
372 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
373 endif (${MSVC_VERSION} GREATER 1599)
375 if (${MSVC_VERSION} GREATER 1899)
376 # needed for debug builds with VS2015
377 set( MSVC_FLAGS "${MSVC_FLAGS} /bigobj" )
382 set(HAVE_GETLOCALTIME 1)
384 set( WINSOCK_LIBRARY "ws2_32.lib" )
385 set( RT_LIBRARY "winmm" )
388 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
389 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
390 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
392 # use BEFORE to ensure local directories are used first,
393 # ahead of system-installed libs
394 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
395 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
396 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
398 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
399 ${Boost_INCLUDE_DIRS}
401 ${OPENAL_INCLUDE_DIR}
405 add_definitions(-DHAVE_CONFIG_H)
407 # configure a header file to pass some of the CMake settings
410 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
411 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
415 # enable CTest / make test target
416 message(STATUS "Tests: ENABLED")
421 message(STATUS "Tests: DISABLED")
424 # always set TEST_LIBS as it is also used by other tools/applications
425 set(TEST_LIBS_INTERNAL_CORE
426 ${CMAKE_THREAD_LIBS_INIT}
433 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
435 if(NOT SIMGEAR_HEADLESS)
436 set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
439 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
441 include_directories(3rdparty/utf8/source)
445 message(STATUS "Requested to use system udns library, forcing SIMGEAR_SHARED to true")
446 set(SIMGEAR_SHARED ON)
447 find_package(Udns REQUIRED)
449 message(STATUS "DNS resolver: ENABLED")
450 include_directories(3rdparty/udns)
453 message(STATUS "DNS resolver: DISABLED")
457 add_subdirectory(3rdparty)
458 add_subdirectory(simgear)
460 #-----------------------------------------------------------------------------
461 ### Export stuff, see https://cmake.org/cmake/help/v3.2/manual/cmake-packages.7.html#creating-packages
462 #-----------------------------------------------------------------------------
464 generate_export_header(SimGearCore)
465 if(NOT SIMGEAR_HEADLESS)
466 generate_export_header(SimGearScene)
469 include(CMakePackageConfigHelpers)
471 write_basic_package_version_file(
472 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
473 VERSION ${SIMGEAR_VERSION}
474 COMPATIBILITY AnyNewerVersion
477 configure_file(SimGearConfig.cmake.in
478 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
482 set(ConfigPackageLocation lib/cmake/SimGear)
483 install(EXPORT SimGearTargets
484 DESTINATION ${ConfigPackageLocation}
488 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
489 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
490 DESTINATION ${ConfigPackageLocation}
494 #-----------------------------------------------------------------------------
496 #-----------------------------------------------------------------------------
498 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
499 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
501 ADD_CUSTOM_TARGET(uninstall
502 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")