1 cmake_minimum_required (VERSION 2.6.4)
2 include (CheckFunctionExists)
3 include (CheckIncludeFile)
4 include (CheckCXXSourceCompiles)
9 # read 'version' file into a variable (stripping any newlines or spaces)
10 file(READ version versionFile)
11 string(STRIP ${versionFile} SIMGEAR_VERSION)
13 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
15 # use simgear version also as the SO version (if building SOs)
16 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
18 # Warning when build is not an out-of-source build.
19 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
21 message(WARNING "Avoid building inside the source tree!")
22 message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
23 message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
26 if (NOT EMBEDDED_SIMGEAR)
28 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
29 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
30 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
31 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
32 SET(CPACK_GENERATOR "TBZ2")
33 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
36 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
37 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
38 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
39 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
40 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
42 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
44 set(CPACK_SOURCE_GENERATOR TBZ2)
45 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
46 set(CPACK_SOURCE_IGNORE_FILES
47 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
49 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
54 # We have some custom .cmake scripts not in the official distribution.
55 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
57 # Change the default build type to something fast
58 if(NOT CMAKE_BUILD_TYPE)
59 set(CMAKE_BUILD_TYPE Release CACHE STRING
60 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
62 endif(NOT CMAKE_BUILD_TYPE)
64 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
65 # differs between all Debian-based vs all other Linux distros.
66 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
67 # GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
68 if(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
69 include(GNUInstallDirs)
70 else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
71 include(OldGNUInstallDirs)
72 endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
73 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
75 #####################################################################################
76 # Configure library search paths
77 #####################################################################################
79 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
80 # Workaround for Ubuntu/Debian which introduced the "multiarch" library
81 # directory structure, which is unsupported by CMake < 2.8.10, so we need to
83 # see http://www.cmake.org/Bug/view.php?id=12049 and
84 # http://www.cmake.org/Bug/view.php?id=12037
85 list(APPEND ADDITIONAL_LIBRARY_PATHS
86 /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
87 /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
88 /lib/${CMAKE_LIBRARY_ARCHITECTURE})
89 message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
93 # TBD: are these really necessary? Aren't they considered by cmake automatically?
94 list(APPEND ADDITIONAL_LIBRARY_PATHS
99 #####################################################################################
102 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
103 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system libExpat" OFF)
105 # Building SimGear DLLs is currently not supported for MSVC.
106 set(SIMGEAR_SHARED OFF)
107 # Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
108 set(SYSTEM_EXPAT OFF)
111 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
112 option(JPEG_FACTORY "Enable JPEG-factory support" OFF)
113 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
114 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
115 option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
116 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
119 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
121 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
123 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
125 if (EXISTS ${TEST_3RDPARTY_DIR})
126 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
127 else (EXISTS ${TEST_3RDPARTY_DIR})
128 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
129 endif (EXISTS ${TEST_3RDPARTY_DIR})
131 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
134 if (MSVC AND MSVC_3RDPARTY_ROOT)
135 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
136 set( OSG_MSVC "msvc" )
137 if (${MSVC_VERSION} EQUAL 1700)
138 set( OSG_MSVC ${OSG_MSVC}110 )
139 elseif (${MSVC_VERSION} EQUAL 1600)
140 set( OSG_MSVC ${OSG_MSVC}100 )
141 else (${MSVC_VERSION} EQUAL 1700)
142 set( OSG_MSVC ${OSG_MSVC}90 )
143 endif (${MSVC_VERSION} EQUAL 1700)
145 set( OSG_MSVC ${OSG_MSVC}-64 )
146 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
148 set( MSVC_3RDPARTY_DIR 3rdParty )
151 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 )
152 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)
153 find_path(BOOST_ROOT boost/version.hpp
154 ${MSVC_3RDPARTY_ROOT}/boost
155 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
156 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
157 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
158 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
159 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
160 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
161 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
162 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
163 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
164 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
166 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
167 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
168 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
169 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
170 endif (MSVC AND MSVC_3RDPARTY_ROOT)
173 find_library(CORE_SERVICES_LIBRARY CoreServices)
176 find_package(Boost REQUIRED)
177 set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION")
180 message(STATUS "SimGear mode: HEADLESS")
183 message(STATUS "SimGear mode: NORMAL")
184 find_package(OpenGL REQUIRED)
187 find_package(OpenAL REQUIRED)
188 message(STATUS "Sound support: ENABLED")
191 find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
192 endif(SIMGEAR_HEADLESS)
195 message(STATUS "JPEG-factory: ENABLED")
196 find_package(JPEG REQUIRED)
197 include_directories(${JPEG_INCLUDE_DIR})
199 message(STATUS "JPEG-factory: DISABLED")
202 find_package(ZLIB REQUIRED)
203 find_package(Threads REQUIRED)
206 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
207 set(SIMGEAR_SHARED ON)
208 find_package(EXPAT REQUIRED)
211 message(STATUS "Using built-in expat code")
212 # XML_STATIC is important to avoid sg_expat_external.h
213 # declaring symbols as declspec(import)
214 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
215 set(EXPAT_INCLUDE_DIRS
216 ${PROJECT_SOURCE_DIR}/3rdparty/expat
217 ${PROJECT_BINARY_DIR}/3rdparty/expat)
220 include_directories(${EXPAT_INCLUDE_DIRS})
222 check_include_file(inttypes.h HAVE_INTTYPES_H)
223 check_include_file(sys/time.h HAVE_SYS_TIME_H)
224 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
225 check_include_file(unistd.h HAVE_UNISTD_H)
226 check_include_file(windows.h HAVE_WINDOWS_H)
229 # ShivaVG needs inttypes.h
230 add_definitions(-DHAVE_INTTYPES_H)
234 # See if we have any rti library variant installed
235 message(STATUS "RTI: ENABLED")
238 message(STATUS "RTI: DISABLED")
241 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
242 check_function_exists(ftime HAVE_FTIME)
243 check_function_exists(timegm HAVE_TIMEGM)
244 check_function_exists(rint HAVE_RINT)
245 check_function_exists(mkdtemp HAVE_MKDTEMP)
246 check_function_exists(bcopy HAVE_BCOPY)
247 check_function_exists(mmap HAVE_MMAP)
250 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
251 check_cxx_source_compiles(
253 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
254 #error clock_gettime is not supported
257 int main() { return 0; }
263 if(HAVE_CLOCK_GETTIME)
264 check_library_exists(rt clock_gettime "" HAVE_RT)
268 endif(HAVE_CLOCK_GETTIME)
270 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
271 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
272 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
273 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
275 # isnan might not be real symbol, so can't check using function_exists
276 check_cxx_source_compiles(
278 void f() { isnan(0.0);} "
281 check_cxx_source_compiles(
283 void f() { std::isnan(0.0);} "
286 if(CMAKE_COMPILER_IS_GNUCXX)
287 set(WARNING_FLAGS_CXX "-Wall")
288 set(WARNING_FLAGS_C "-Wall")
290 # certain GCC versions don't provide the atomic builds, and hence
291 # require is to provide them in SGAtomic.cxx
292 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
293 check_cxx_source_compiles(
294 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
295 GCC_ATOMIC_BUILTINS_FOUND)
296 endif(CMAKE_COMPILER_IS_GNUCXX)
298 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
299 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual")
300 set(WARNING_FLAGS_C "-Wall")
306 add_definitions(-D_WIN32_WINNT=0x501)
310 # turn off various warnings
311 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
312 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
313 # endforeach(warning)
315 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
316 if (${MSVC_VERSION} GREATER 1599)
317 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
318 endif (${MSVC_VERSION} GREATER 1599)
322 set(HAVE_GETLOCALTIME 1)
324 set( WINSOCK_LIBRARY "ws2_32.lib" )
325 set( RT_LIBRARY "winmm" )
328 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
329 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
330 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
332 include_directories(${PROJECT_SOURCE_DIR})
333 include_directories(${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
334 include_directories(${PROJECT_BINARY_DIR}/simgear)
336 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
337 ${Boost_INCLUDE_DIRS}
339 ${OPENAL_INCLUDE_DIR}
340 ${LibArchive_INCLUDE_DIRS}
343 add_definitions(-DHAVE_CONFIG_H)
345 # configure a header file to pass some of the CMake settings
348 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
349 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
353 # enable CTest / make test target
354 message(STATUS "Tests: ENABLED")
359 message(STATUS "Tests: DISABLED")
362 # always set TEST_LIBS as it is also used by other tools/applications
363 # TODO maybe better rename?
370 ${CMAKE_THREAD_LIBS_INIT}
374 ${CORE_SERVICES_LIBRARY})
377 if(NOT SIMGEAR_HEADLESS)
384 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
386 add_subdirectory(3rdparty)
387 add_subdirectory(simgear)
389 if (NOT EMBEDDED_SIMGEAR)
390 #-----------------------------------------------------------------------------
392 #-----------------------------------------------------------------------------
394 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
395 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
397 ADD_CUSTOM_TARGET(uninstall
398 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")