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 # use simgear version also as the SO version (if building SOs)
14 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
16 # Warning when build is not an out-of-source build.
17 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
19 message(WARNING "Avoid building inside the source tree!")
20 message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
21 message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
24 if (NOT EMBEDDED_SIMGEAR)
26 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
27 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
28 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
29 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
30 SET(CPACK_GENERATOR "TBZ2")
31 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
34 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
35 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
36 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
37 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
38 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
40 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
42 set(CPACK_SOURCE_GENERATOR TBZ2)
43 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
44 set(CPACK_SOURCE_IGNORE_FILES
45 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
47 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}")
91 # TBD: are these really necessary? Aren't they considered by cmake automatically?
92 list(APPEND ADDITIONAL_LIBRARY_PATHS
97 #####################################################################################
100 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
101 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system libExpat" OFF)
103 # Building SimGear DLLs is currently not supported for MSVC.
104 set(SIMGEAR_SHARED OFF)
105 # Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
106 set(SYSTEM_EXPAT OFF)
109 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
110 option(JPEG_FACTORY "Enable JPEG-factory support" OFF)
111 option(SG_SVN_CLIENT "Set to ON to build SimGear with built-in SVN support" OFF)
112 option(ENABLE_LIBSVN "Set to ON to build SimGear with libsvnclient support" ON)
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)
118 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
120 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
122 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
124 if (EXISTS ${TEST_3RDPARTY_DIR})
125 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
126 else (EXISTS ${TEST_3RDPARTY_DIR})
127 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
128 endif (EXISTS ${TEST_3RDPARTY_DIR})
130 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
133 if (MSVC AND MSVC_3RDPARTY_ROOT)
134 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
135 set( OSG_MSVC "msvc" )
136 if (${MSVC_VERSION} EQUAL 1700)
137 set( OSG_MSVC ${OSG_MSVC}110 )
138 elseif (${MSVC_VERSION} EQUAL 1600)
139 set( OSG_MSVC ${OSG_MSVC}100 )
140 else (${MSVC_VERSION} EQUAL 1700)
141 set( OSG_MSVC ${OSG_MSVC}90 )
142 endif (${MSVC_VERSION} EQUAL 1700)
144 set( OSG_MSVC ${OSG_MSVC}-64 )
145 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
147 set( MSVC_3RDPARTY_DIR 3rdParty )
150 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 )
151 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)
152 find_path(BOOST_ROOT boost/version.hpp
153 ${MSVC_3RDPARTY_ROOT}/boost
154 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
155 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
156 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
157 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
158 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
159 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
160 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
161 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
162 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
163 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
165 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
166 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
167 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
168 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
169 endif (MSVC AND MSVC_3RDPARTY_ROOT)
171 find_package(Boost REQUIRED)
172 set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION")
175 message(STATUS "SimGear mode: HEADLESS")
178 message(STATUS "SimGear mode: NORMAL")
179 find_package(OpenGL REQUIRED)
182 find_package(OpenAL REQUIRED)
183 message(STATUS "Sound support: ENABLED")
186 find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
187 endif(SIMGEAR_HEADLESS)
190 message(STATUS "JPEG-factory: ENABLED")
191 find_package(JPEG REQUIRED)
192 include_directories(${JPEG_INCLUDE_DIR})
194 message(STATUS "JPEG-factory: DISABLED")
198 message(STATUS "Using built-in subversion client code")
199 elseif(ENABLE_LIBSVN)
200 find_package(SvnClient)
203 message(STATUS "Subversion client support: ENABLED")
204 set(HAVE_SVN_CLIENT_H 1)
205 set(HAVE_LIBSVN_CLIENT_1 1)
207 # Oops. ENABLE_LIBSVN is ON, but svn is still missing.
208 # Provide clearly visible warning/hint, so builders know what else they should install (or disable).
209 message(WARNING "Failed to enable subversion client support. Unable to find required subversion client library. Some features may not be available (scenery download).")
210 message(WARNING "Install 'libsvn' library/DLL (libsvn-devel/libsvnclient/...). Otherwise disable subversion support (set 'ENABLE_LIBSVN' to 'OFF').")
213 message(STATUS "Subversion client support: DISABLED")
216 find_package(ZLIB REQUIRED)
217 find_package(Threads REQUIRED)
220 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
221 set(SIMGEAR_SHARED ON)
222 find_package(EXPAT REQUIRED)
223 include_directories(${EXPAT_INCLUDE_DIRS})
225 message(STATUS "Using built-in expat code")
226 add_definitions(-DHAVE_EXPAT_CONFIG_H)
229 check_include_file(inttypes.h HAVE_INTTYPES_H)
230 check_include_file(sys/time.h HAVE_SYS_TIME_H)
231 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
232 check_include_file(unistd.h HAVE_UNISTD_H)
233 check_include_file(windows.h HAVE_WINDOWS_H)
236 # ShivaVG needs inttypes.h
237 add_definitions(-DHAVE_INTTYPES_H)
241 # See if we have any rti library variant installed
242 message(STATUS "RTI: ENABLED")
245 message(STATUS "RTI: DISABLED")
248 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
249 check_function_exists(ftime HAVE_FTIME)
250 check_function_exists(timegm HAVE_TIMEGM)
251 check_function_exists(rint HAVE_RINT)
252 check_function_exists(mkdtemp HAVE_MKDTEMP)
253 check_function_exists(bcopy HAVE_BCOPY)
254 check_function_exists(mmap HAVE_MMAP)
257 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
258 check_cxx_source_compiles(
260 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
261 #error clock_gettime is not supported
264 int main() { return 0; }
270 if(HAVE_CLOCK_GETTIME)
271 check_library_exists(rt clock_gettime "" HAVE_RT)
275 endif(HAVE_CLOCK_GETTIME)
277 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
278 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
279 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
280 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
282 # isnan might not be real symbol, so can't check using function_exists
283 check_cxx_source_compiles(
285 void f() { isnan(0.0);} "
288 check_cxx_source_compiles(
290 void f() { std::isnan(0.0);} "
293 if(CMAKE_COMPILER_IS_GNUCXX)
294 set(WARNING_FLAGS_CXX "-Wall")
295 set(WARNING_FLAGS_C "-Wall")
297 # certain GCC versions don't provide the atomic builds, and hence
298 # require is to provide them in SGAtomic.cxx
299 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
300 check_cxx_source_compiles(
301 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
302 GCC_ATOMIC_BUILTINS_FOUND)
303 endif(CMAKE_COMPILER_IS_GNUCXX)
305 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
306 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual")
307 set(WARNING_FLAGS_C "-Wall")
313 add_definitions(-D_WIN32_WINNT=0x501)
317 # turn off various warnings
318 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
319 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
320 # endforeach(warning)
322 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
323 if (${MSVC_VERSION} GREATER 1599)
324 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
325 endif (${MSVC_VERSION} GREATER 1599)
329 set(HAVE_GETLOCALTIME 1)
331 set( WINSOCK_LIBRARY "ws2_32.lib" )
332 set( RT_LIBRARY "winmm" )
335 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
336 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
337 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
339 include_directories(${PROJECT_SOURCE_DIR})
340 include_directories(${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
341 include_directories(${PROJECT_BINARY_DIR}/simgear)
342 include_directories(${PROJECT_BINARY_DIR}/simgear/xml)
344 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
345 ${Boost_INCLUDE_DIRS}
347 ${OPENAL_INCLUDE_DIR}
348 ${LibArchive_INCLUDE_DIRS}
351 add_definitions(-DHAVE_CONFIG_H)
353 # configure a header file to pass some of the CMake settings
356 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
357 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
361 "${PROJECT_SOURCE_DIR}/simgear/xml/expat_config_cmake.in"
362 "${PROJECT_BINARY_DIR}/simgear/xml/expat_config.h"
366 # enable CTest / make test target
367 message(STATUS "Tests: ENABLED")
378 ${CMAKE_THREAD_LIBS_INIT}
383 find_library(COCOA_LIBRARY Cocoa)
384 list(APPEND TEST_LIBS ${COCOA_LIBRARY})
388 if(NOT SIMGEAR_HEADLESS)
395 message(STATUS "Tests: DISABLED")
398 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
399 add_subdirectory(simgear)
401 if (NOT EMBEDDED_SIMGEAR)
402 #-----------------------------------------------------------------------------
404 #-----------------------------------------------------------------------------
406 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
407 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
409 ADD_CUSTOM_TARGET(uninstall
410 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")