1 cmake_minimum_required (VERSION 2.6.4)
2 include (CheckFunctionExists)
3 include (CheckIncludeFile)
4 include (CheckCXXSourceCompiles)
5 include (CheckCXXCompilerFlag)
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 ${CMAKE_SOURCE_DIR}")
27 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
28 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
29 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
30 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
31 SET(CPACK_GENERATOR "TBZ2")
32 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
35 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
36 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
37 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
38 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
39 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
41 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
43 set(CPACK_SOURCE_GENERATOR TBZ2)
44 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
45 set(CPACK_SOURCE_IGNORE_FILES
46 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
48 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
52 # We have some custom .cmake scripts not in the official distribution.
53 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
55 # Change the default build type to something fast
56 if(NOT CMAKE_BUILD_TYPE)
57 set(CMAKE_BUILD_TYPE Release CACHE STRING
58 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
60 endif(NOT CMAKE_BUILD_TYPE)
62 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
63 # differs between all Debian-based vs all other Linux distros.
64 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
65 # GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
66 if(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
67 include(GNUInstallDirs)
68 else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
69 include(OldGNUInstallDirs)
70 endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
71 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
73 #####################################################################################
74 # Configure library search paths
75 #####################################################################################
77 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
78 # Workaround for Ubuntu/Debian which introduced the "multiarch" library
79 # directory structure, which is unsupported by CMake < 2.8.10, so we need to
81 # see http://www.cmake.org/Bug/view.php?id=12049 and
82 # http://www.cmake.org/Bug/view.php?id=12037
83 list(APPEND ADDITIONAL_LIBRARY_PATHS
84 /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
85 /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
86 /lib/${CMAKE_LIBRARY_ARCHITECTURE})
87 message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
90 #####################################################################################
93 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
94 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system libExpat" OFF)
96 # Building SimGear DLLs is currently not supported for MSVC.
97 set(SIMGEAR_SHARED OFF)
98 # Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
102 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
103 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
104 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
105 option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
106 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
109 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
111 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
113 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
115 if (EXISTS ${TEST_3RDPARTY_DIR})
116 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
117 else (EXISTS ${TEST_3RDPARTY_DIR})
118 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
119 endif (EXISTS ${TEST_3RDPARTY_DIR})
121 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
124 if (MSVC AND MSVC_3RDPARTY_ROOT)
125 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
126 set( OSG_MSVC "msvc" )
127 if (${MSVC_VERSION} EQUAL 1700)
128 set( OSG_MSVC ${OSG_MSVC}110 )
129 elseif (${MSVC_VERSION} EQUAL 1600)
130 set( OSG_MSVC ${OSG_MSVC}100 )
131 else (${MSVC_VERSION} EQUAL 1700)
132 set( OSG_MSVC ${OSG_MSVC}90 )
133 endif (${MSVC_VERSION} EQUAL 1700)
135 set( OSG_MSVC ${OSG_MSVC}-64 )
136 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
138 set( MSVC_3RDPARTY_DIR 3rdParty )
141 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 )
142 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)
143 find_path(BOOST_ROOT boost/version.hpp
144 ${MSVC_3RDPARTY_ROOT}/boost
145 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
146 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
147 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
148 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
149 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
150 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
151 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
152 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
153 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
154 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
156 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
157 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
158 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
159 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
160 endif (MSVC AND MSVC_3RDPARTY_ROOT)
163 find_library(COCOA_LIBRARY Cocoa)
166 # Somehow this only works if included before searching for Boost...
167 include(BoostTestTargets)
169 find_package(Boost REQUIRED)
170 set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION")
173 message(STATUS "SimGear mode: HEADLESS")
176 message(STATUS "SimGear mode: NORMAL")
177 find_package(OpenGL REQUIRED)
180 find_package(OpenAL REQUIRED)
181 message(STATUS "Sound support: ENABLED")
184 find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
185 endif(SIMGEAR_HEADLESS)
187 find_package(ZLIB REQUIRED)
188 find_package(Threads REQUIRED)
191 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
192 set(SIMGEAR_SHARED ON)
193 find_package(EXPAT REQUIRED)
196 message(STATUS "Using built-in expat code")
197 # XML_STATIC is important to avoid sg_expat_external.h
198 # declaring symbols as declspec(import)
199 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
200 set(EXPAT_INCLUDE_DIRS
201 ${PROJECT_SOURCE_DIR}/3rdparty/expat
202 ${PROJECT_BINARY_DIR}/3rdparty/expat)
205 include_directories(${EXPAT_INCLUDE_DIRS})
207 check_include_file(inttypes.h HAVE_INTTYPES_H)
208 check_include_file(sys/time.h HAVE_SYS_TIME_H)
209 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
210 check_include_file(unistd.h HAVE_UNISTD_H)
211 check_include_file(windows.h HAVE_WINDOWS_H)
214 # ShivaVG needs inttypes.h
215 add_definitions(-DHAVE_INTTYPES_H)
219 # See if we have any rti library variant installed
220 message(STATUS "RTI: ENABLED")
223 message(STATUS "RTI: DISABLED")
226 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
227 check_function_exists(ftime HAVE_FTIME)
228 check_function_exists(timegm HAVE_TIMEGM)
229 check_function_exists(rint HAVE_RINT)
230 check_function_exists(mkdtemp HAVE_MKDTEMP)
231 check_function_exists(bcopy HAVE_BCOPY)
232 check_function_exists(mmap HAVE_MMAP)
235 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
236 check_cxx_source_compiles(
238 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
239 #error clock_gettime is not supported
242 int main() { return 0; }
248 if(HAVE_CLOCK_GETTIME)
249 check_library_exists(rt clock_gettime "" HAVE_RT)
253 endif(HAVE_CLOCK_GETTIME)
256 check_cxx_source_compiles(
265 check_library_exists(dl dlerror "" HAVE_DL)
271 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
272 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
273 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
274 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
276 # isnan might not be real symbol, so can't check using function_exists
277 check_cxx_source_compiles(
279 void f() { isnan(0.0);} "
282 check_cxx_source_compiles(
284 void f() { std::isnan(0.0);} "
287 if(CMAKE_COMPILER_IS_GNUCXX)
288 set(WARNING_FLAGS_CXX "-Wall")
289 set(WARNING_FLAGS_C "-Wall")
291 # certain GCC versions don't provide the atomic builds, and hence
292 # require is to provide them in SGAtomic.cxx
293 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
294 check_cxx_source_compiles(
295 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
296 GCC_ATOMIC_BUILTINS_FOUND)
297 endif(CMAKE_COMPILER_IS_GNUCXX)
299 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
300 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual")
301 set(WARNING_FLAGS_C "-Wall")
304 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
305 # boost goes haywire wrt static asserts
306 check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
307 if(HAS_NOWARN_UNUSED_TYPEDEFS)
308 set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
315 add_definitions(-D_WIN32_WINNT=0x501)
319 # turn off various warnings
320 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
321 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
322 # endforeach(warning)
324 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
325 if (${MSVC_VERSION} GREATER 1599)
326 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
327 endif (${MSVC_VERSION} GREATER 1599)
331 set(HAVE_GETLOCALTIME 1)
333 set( WINSOCK_LIBRARY "ws2_32.lib" )
334 set( RT_LIBRARY "winmm" )
337 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
338 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
339 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
341 # use BEFORE to ensure local directories are used first,
342 # ahead of system-installed libs
343 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
344 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
345 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
347 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
348 ${Boost_INCLUDE_DIRS}
350 ${OPENAL_INCLUDE_DIR}
353 add_definitions(-DHAVE_CONFIG_H)
355 # configure a header file to pass some of the CMake settings
358 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
359 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
363 # enable CTest / make test target
364 message(STATUS "Tests: ENABLED")
369 message(STATUS "Tests: DISABLED")
372 # always set TEST_LIBS as it is also used by other tools/applications
373 set(TEST_LIBS_INTERNAL_CORE
374 ${CMAKE_THREAD_LIBS_INIT}
380 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
382 if(NOT SIMGEAR_HEADLESS)
383 set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
386 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
388 add_subdirectory(3rdparty)
389 add_subdirectory(simgear)
391 #-----------------------------------------------------------------------------
393 #-----------------------------------------------------------------------------
395 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
396 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
398 ADD_CUSTOM_TARGET(uninstall
399 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")