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)
18 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
19 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
21 # only relevant for building shared libs but let's set it regardless
22 set(CMAKE_OSX_RPATH 1)
26 # read 'version' file into a variable (stripping any newlines or spaces)
27 file(READ version versionFile)
28 string(STRIP ${versionFile} SIMGEAR_VERSION)
30 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
32 # use simgear version also as the SO version (if building SOs)
33 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
35 # Warning when build is not an out-of-source build.
36 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
38 message(WARNING "Avoid building inside the source tree!")
39 message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
40 message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
44 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
45 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
46 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
47 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
48 SET(CPACK_GENERATOR "TBZ2")
49 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
52 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
53 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
54 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
55 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
56 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
58 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
60 set(CPACK_SOURCE_GENERATOR TBZ2)
61 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
62 set(CPACK_SOURCE_IGNORE_FILES
63 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
65 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
69 # We have some custom .cmake scripts not in the official distribution.
70 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
72 # Change the default build type to something fast
73 if(NOT CMAKE_BUILD_TYPE)
74 set(CMAKE_BUILD_TYPE Release CACHE STRING
75 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
77 endif(NOT CMAKE_BUILD_TYPE)
79 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
80 # differs between all Debian-based vs all other Linux distros.
81 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
82 include(GNUInstallDirs)
83 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
85 #####################################################################################
86 # Configure library search paths
87 #####################################################################################
89 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
90 # Workaround for Ubuntu/Debian which introduced the "multiarch" library
91 # directory structure, which is unsupported by CMake < 2.8.10, so we need to
93 # see http://www.cmake.org/Bug/view.php?id=12049 and
94 # http://www.cmake.org/Bug/view.php?id=12037
95 list(APPEND ADDITIONAL_LIBRARY_PATHS
96 /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
97 /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
98 /lib/${CMAKE_LIBRARY_ARCHITECTURE})
99 message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
102 #####################################################################################
105 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
106 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system libExpat" OFF)
108 # Building SimGear DLLs is currently not supported for MSVC.
109 set(SIMGEAR_SHARED OFF)
110 # Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
111 set(SYSTEM_EXPAT OFF)
114 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
115 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
116 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
117 option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
118 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
121 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
123 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
125 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
127 if (EXISTS ${TEST_3RDPARTY_DIR})
128 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
129 else (EXISTS ${TEST_3RDPARTY_DIR})
130 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
131 endif (EXISTS ${TEST_3RDPARTY_DIR})
133 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
136 if (MSVC AND MSVC_3RDPARTY_ROOT)
137 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
138 set( OSG_MSVC "msvc" )
139 if (${MSVC_VERSION} EQUAL 1700)
140 set( OSG_MSVC ${OSG_MSVC}110 )
141 elseif (${MSVC_VERSION} EQUAL 1600)
142 set( OSG_MSVC ${OSG_MSVC}100 )
143 else (${MSVC_VERSION} EQUAL 1700)
144 set( OSG_MSVC ${OSG_MSVC}90 )
145 endif (${MSVC_VERSION} EQUAL 1700)
147 set( OSG_MSVC ${OSG_MSVC}-64 )
148 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
150 set( MSVC_3RDPARTY_DIR 3rdParty )
153 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 )
154 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)
155 find_path(BOOST_ROOT boost/version.hpp
156 ${MSVC_3RDPARTY_ROOT}/boost
157 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
158 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
159 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
160 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
161 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
162 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
163 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
164 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
165 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
166 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
168 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
169 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
170 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
171 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
172 endif (MSVC AND MSVC_3RDPARTY_ROOT)
175 find_library(COCOA_LIBRARY Cocoa)
178 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
179 ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
180 find_package(Threads REQUIRED)
183 # Somehow this only works if included before searching for Boost...
184 include(BoostTestTargets)
186 find_package(Boost REQUIRED)
187 set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
190 message(STATUS "SimGear mode: HEADLESS")
193 message(STATUS "SimGear mode: NORMAL")
194 find_package(OpenGL REQUIRED)
197 find_package(OpenAL REQUIRED)
198 message(STATUS "Sound support: ENABLED")
201 find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
202 endif(SIMGEAR_HEADLESS)
204 find_package(ZLIB REQUIRED)
207 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
208 set(SIMGEAR_SHARED ON)
209 find_package(EXPAT REQUIRED)
212 message(STATUS "Using built-in expat code")
213 # XML_STATIC is important to avoid sg_expat_external.h
214 # declaring symbols as declspec(import)
215 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
216 set(EXPAT_INCLUDE_DIRS
217 ${PROJECT_SOURCE_DIR}/3rdparty/expat
218 ${PROJECT_BINARY_DIR}/3rdparty/expat)
221 include_directories(${EXPAT_INCLUDE_DIRS})
223 check_include_file(inttypes.h HAVE_INTTYPES_H)
224 check_include_file(sys/time.h HAVE_SYS_TIME_H)
225 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
226 check_include_file(unistd.h HAVE_UNISTD_H)
227 check_include_file(windows.h HAVE_WINDOWS_H)
230 # ShivaVG needs inttypes.h
231 add_definitions(-DHAVE_INTTYPES_H)
235 # See if we have any rti library variant installed
236 message(STATUS "RTI: ENABLED")
239 message(STATUS "RTI: DISABLED")
242 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
243 check_function_exists(ftime HAVE_FTIME)
244 check_function_exists(timegm HAVE_TIMEGM)
245 check_function_exists(rint HAVE_RINT)
246 check_function_exists(mkdtemp HAVE_MKDTEMP)
247 check_function_exists(bcopy HAVE_BCOPY)
248 check_function_exists(mmap HAVE_MMAP)
251 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
252 check_cxx_source_compiles(
254 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
255 #error clock_gettime is not supported
258 int main() { return 0; }
264 if(HAVE_CLOCK_GETTIME)
265 check_library_exists(rt clock_gettime "" HAVE_RT)
269 endif(HAVE_CLOCK_GETTIME)
272 check_cxx_source_compiles(
281 check_library_exists(dl dlerror "" HAVE_DL)
287 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
288 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
289 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
290 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
292 # isnan might not be real symbol, so can't check using function_exists
293 check_cxx_source_compiles(
295 int main() { return isnan(0.0);} "
298 check_cxx_source_compiles(
300 int main() { return std::isnan(0.0);} "
303 if(CMAKE_COMPILER_IS_GNUCXX)
304 set(WARNING_FLAGS_CXX "-Wall")
305 set(WARNING_FLAGS_C "-Wall")
307 # certain GCC versions don't provide the atomic builds, and hence
308 # require is to provide them in SGAtomic.cxx
309 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
310 check_cxx_source_compiles(
311 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
312 GCC_ATOMIC_BUILTINS_FOUND)
313 endif(CMAKE_COMPILER_IS_GNUCXX)
315 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
316 # Boost redeclares class members
317 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual -Wno-redeclared-class-member")
318 set(WARNING_FLAGS_C "-Wall")
319 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
320 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11")
321 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
324 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
325 # boost goes haywire wrt static asserts
326 check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
327 if(HAS_NOWARN_UNUSED_TYPEDEFS)
328 set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
335 add_definitions(-D_WIN32_WINNT=0x501)
339 # turn off various warnings
340 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
341 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
342 # endforeach(warning)
344 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
345 if (${MSVC_VERSION} GREATER 1599)
346 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
347 endif (${MSVC_VERSION} GREATER 1599)
351 set(HAVE_GETLOCALTIME 1)
353 set( WINSOCK_LIBRARY "ws2_32.lib" )
354 set( RT_LIBRARY "winmm" )
357 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
358 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
359 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
361 # use BEFORE to ensure local directories are used first,
362 # ahead of system-installed libs
363 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
364 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
365 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
367 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
368 ${Boost_INCLUDE_DIRS}
370 ${OPENAL_INCLUDE_DIR}
373 add_definitions(-DHAVE_CONFIG_H)
375 # configure a header file to pass some of the CMake settings
378 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
379 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
383 # enable CTest / make test target
384 message(STATUS "Tests: ENABLED")
389 message(STATUS "Tests: DISABLED")
392 # always set TEST_LIBS as it is also used by other tools/applications
393 set(TEST_LIBS_INTERNAL_CORE
394 ${CMAKE_THREAD_LIBS_INIT}
400 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
402 if(NOT SIMGEAR_HEADLESS)
403 set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
406 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
408 include_directories(3rdparty/utf8/source)
410 add_subdirectory(3rdparty)
411 add_subdirectory(simgear)
413 #-----------------------------------------------------------------------------
415 #-----------------------------------------------------------------------------
417 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
418 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
420 ADD_CUSTOM_TARGET(uninstall
421 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")