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(USE_AEONWAVE "Set to ON to use AeonWave instead of OpenAL" OFF)
135 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
136 option(ENABLE_DNS "Set to ON to use udns library and DNS service resolver" ON)
139 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
141 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
143 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
145 if (EXISTS ${TEST_3RDPARTY_DIR})
146 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
147 else (EXISTS ${TEST_3RDPARTY_DIR})
148 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
149 endif (EXISTS ${TEST_3RDPARTY_DIR})
151 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
154 if (MSVC AND MSVC_3RDPARTY_ROOT)
155 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
157 set( OSG_MSVC "msvc" )
158 if (${MSVC_VERSION} EQUAL 1900)
159 set( OSG_MSVC ${OSG_MSVC}140 )
160 elseif (${MSVC_VERSION} EQUAL 1800)
161 set( OSG_MSVC ${OSG_MSVC}120 )
162 elseif (${MSVC_VERSION} EQUAL 1700)
163 set( OSG_MSVC ${OSG_MSVC}110 )
164 elseif (${MSVC_VERSION} EQUAL 1600)
165 set( OSG_MSVC ${OSG_MSVC}100 )
168 set( OSG_MSVC ${OSG_MSVC}-64 )
169 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
171 set( MSVC_3RDPARTY_DIR 3rdParty )
174 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 )
175 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)
177 GET_FILENAME_COMPONENT(MSVC_ROOT_PARENT_DIR ${MSVC_3RDPARTY_ROOT} PATH)
178 find_path(BOOST_ROOT boost/version.hpp
180 ${MSVC_ROOT_PARENT_DIR}
181 ${MSVC_3RDPARTY_ROOT}/boost
182 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
183 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
184 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
185 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
186 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
187 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
188 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
189 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
190 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
191 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
193 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
194 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
195 if (NOT USE_AEONWAVE)
196 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
197 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
198 message(STATUS "OPENAL_INCLUDE_DIR is ${OPENAL_INCLUDE_DIR}")
200 endif (MSVC AND MSVC_3RDPARTY_ROOT)
203 find_library(COCOA_LIBRARY Cocoa)
205 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
206 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
209 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
210 ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
211 find_package(Threads REQUIRED)
214 find_package(Boost REQUIRED)
215 set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
216 include(BoostTestTargets)
219 message(STATUS "SimGear mode: HEADLESS")
222 message(STATUS "SimGear mode: NORMAL")
223 find_package(OpenGL REQUIRED)
227 find_package(AAX COMPONENTS aax REQUIRED)
228 include_directories( ${AAX_INCLUDE_DIR} )
230 find_package(OpenAL REQUIRED)
231 include_directories( ${OPENAL_INCLUDE_DIR} )
234 message(STATUS "Sound support: ENABLED")
237 find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
238 endif(SIMGEAR_HEADLESS)
240 find_package(ZLIB REQUIRED)
241 find_package(CURL REQUIRED)
244 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
245 set(SIMGEAR_SHARED ON)
246 find_package(EXPAT REQUIRED)
249 message(STATUS "Using built-in expat code")
250 # XML_STATIC is important to avoid sg_expat_external.h
251 # declaring symbols as declspec(import)
252 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
253 set(EXPAT_INCLUDE_DIRS
254 ${PROJECT_SOURCE_DIR}/3rdparty/expat
255 ${PROJECT_BINARY_DIR}/3rdparty/expat)
258 include_directories(${EXPAT_INCLUDE_DIRS})
260 check_include_file(inttypes.h HAVE_INTTYPES_H)
261 check_include_file(sys/time.h HAVE_SYS_TIME_H)
262 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
263 check_include_file(unistd.h HAVE_UNISTD_H)
264 check_include_file(windows.h HAVE_WINDOWS_H)
267 # ShivaVG needs inttypes.h
268 add_definitions(-DHAVE_INTTYPES_H)
272 # See if we have any rti library variant installed
273 message(STATUS "RTI: ENABLED")
276 message(STATUS "RTI: DISABLED")
279 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
280 check_function_exists(ftime HAVE_FTIME)
281 check_function_exists(timegm HAVE_TIMEGM)
282 check_function_exists(rint HAVE_RINT)
283 check_function_exists(mkdtemp HAVE_MKDTEMP)
284 check_function_exists(bcopy HAVE_BCOPY)
285 check_function_exists(mmap HAVE_MMAP)
288 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
289 check_cxx_source_compiles(
291 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
292 #error clock_gettime is not supported
295 int main() { return 0; }
301 if(HAVE_CLOCK_GETTIME)
302 check_library_exists(rt clock_gettime "" HAVE_RT)
306 endif(HAVE_CLOCK_GETTIME)
309 check_cxx_source_compiles(
318 check_library_exists(dl dlerror "" HAVE_DL)
324 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
325 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
326 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
327 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
329 # isnan might not be real symbol, so can't check using function_exists
330 check_cxx_source_compiles(
332 int main() { return isnan(0.0);} "
335 check_cxx_source_compiles(
337 int main() { return std::isnan(0.0);} "
340 if(CMAKE_COMPILER_IS_GNUCXX)
341 set(WARNING_FLAGS_CXX "-Wall")
342 set(WARNING_FLAGS_C "-Wall")
344 # certain GCC versions don't provide the atomic builds, and hence
345 # require is to provide them in SGAtomic.cxx
346 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
347 check_cxx_source_compiles(
348 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
349 GCC_ATOMIC_BUILTINS_FOUND)
350 endif(CMAKE_COMPILER_IS_GNUCXX)
352 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
353 # Boost redeclares class members
354 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual -Wno-redeclared-class-member")
355 set(WARNING_FLAGS_C "-Wall")
356 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
357 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11")
358 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
361 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
362 # boost goes haywire wrt static asserts
363 check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
364 if(HAS_NOWARN_UNUSED_TYPEDEFS)
365 set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
372 add_definitions(-D_WIN32_WINNT=0x501)
376 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /MP")
378 if (${MSVC_VERSION} GREATER 1599)
379 # needed to avoid link errors on multiply-defined standard C++
380 # symbols. Suspect this may be an OSG-DB export bug
381 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
382 endif (${MSVC_VERSION} GREATER 1599)
384 if (${MSVC_VERSION} GREATER 1899)
385 # needed for debug builds with VS2015
386 set( MSVC_FLAGS "${MSVC_FLAGS} /bigobj" )
391 set(HAVE_GETLOCALTIME 1)
393 set( WINSOCK_LIBRARY "ws2_32.lib" )
394 set( SHLWAPI_LIBRARY "Shlwapi.lib" )
395 set( RT_LIBRARY "winmm" )
398 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
399 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
400 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
402 # use BEFORE to ensure local directories are used first,
403 # ahead of system-installed libs
404 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
405 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
406 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
408 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
409 ${Boost_INCLUDE_DIRS}
414 add_definitions(-DHAVE_CONFIG_H)
416 # configure a header file to pass some of the CMake settings
419 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
420 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
424 # enable CTest / make test target
425 message(STATUS "Tests: ENABLED")
430 message(STATUS "Tests: DISABLED")
433 # always set TEST_LIBS as it is also used by other tools/applications
434 set(TEST_LIBS_INTERNAL_CORE
435 ${CMAKE_THREAD_LIBS_INIT}
443 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
445 if(NOT SIMGEAR_HEADLESS)
446 set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
449 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
451 include_directories(3rdparty/utf8/source)
455 message(STATUS "Requested to use system udns library, forcing SIMGEAR_SHARED to true")
456 set(SIMGEAR_SHARED ON)
457 find_package(Udns REQUIRED)
459 message(STATUS "DNS resolver: ENABLED")
460 include_directories(3rdparty/udns)
463 message(STATUS "DNS resolver: DISABLED")
467 add_subdirectory(3rdparty)
468 add_subdirectory(simgear)
470 #-----------------------------------------------------------------------------
471 ### Export stuff, see https://cmake.org/cmake/help/v3.2/manual/cmake-packages.7.html#creating-packages
472 #-----------------------------------------------------------------------------
474 generate_export_header(SimGearCore)
475 if(NOT SIMGEAR_HEADLESS)
476 generate_export_header(SimGearScene)
479 include(CMakePackageConfigHelpers)
481 write_basic_package_version_file(
482 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
483 VERSION ${SIMGEAR_VERSION}
484 COMPATIBILITY AnyNewerVersion
487 configure_file(SimGearConfig.cmake.in
488 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
492 set(ConfigPackageLocation lib/cmake/SimGear)
493 install(EXPORT SimGearTargets
494 DESTINATION ${ConfigPackageLocation}
498 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
499 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
500 DESTINATION ${ConfigPackageLocation}
504 #-----------------------------------------------------------------------------
506 #-----------------------------------------------------------------------------
508 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
509 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
511 ADD_CUSTOM_TARGET(uninstall
512 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")