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 ${CMAKE_SOURCE_DIR}")
25 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
26 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
27 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
28 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
29 SET(CPACK_GENERATOR "TBZ2")
30 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
33 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
34 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
35 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
36 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
37 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
39 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
41 set(CPACK_SOURCE_GENERATOR TBZ2)
42 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
43 set(CPACK_SOURCE_IGNORE_FILES
44 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
46 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
50 # We have some custom .cmake scripts not in the official distribution.
51 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
53 # Change the default build type to something fast
54 if(NOT CMAKE_BUILD_TYPE)
55 set(CMAKE_BUILD_TYPE Release CACHE STRING
56 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
58 endif(NOT CMAKE_BUILD_TYPE)
60 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
61 # differs between all Debian-based vs all other Linux distros.
62 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
63 # GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
64 if(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
65 include(GNUInstallDirs)
66 else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
67 include(OldGNUInstallDirs)
68 endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
69 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
71 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
72 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
73 option(JPEG_FACTORY "Enable JPEG-factory support" OFF)
74 option(ENABLE_LIBSVN "Set to ON to build SimGear with libsvnclient support" ON)
75 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
76 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
79 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_SOURCE_DIR} PATH)
81 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
83 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
85 if (EXISTS ${TEST_3RDPARTY_DIR})
86 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
87 else (EXISTS ${TEST_3RDPARTY_DIR})
88 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
89 endif (EXISTS ${TEST_3RDPARTY_DIR})
91 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
94 if (MSVC AND MSVC_3RDPARTY_ROOT)
95 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
96 set( OSG_MSVC "msvc" )
97 if (${MSVC_VERSION} EQUAL 1600)
98 set( OSG_MSVC ${OSG_MSVC}100 )
99 else (${MSVC_VERSION} EQUAL 1600)
100 set( OSG_MSVC ${OSG_MSVC}90 )
101 endif (${MSVC_VERSION} EQUAL 1600)
103 set( OSG_MSVC ${OSG_MSVC}-64 )
104 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
106 set( MSVC_3RDPARTY_DIR 3rdParty )
109 set (CMAKE_LIBRARY_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/lib )
110 set (CMAKE_INCLUDE_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/include)
111 set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
112 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
113 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
114 set (ALUT_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
115 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
116 endif (MSVC AND MSVC_3RDPARTY_ROOT)
118 find_package(Boost REQUIRED)
119 set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION")
121 find_package(ZLIB REQUIRED)
122 find_package(Threads REQUIRED)
125 message(STATUS "SimGear mode: HEADLESS")
127 message(STATUS "SimGear mode: NORMAL")
128 find_package(OpenGL REQUIRED)
129 find_package(OpenAL REQUIRED)
130 find_package(ALUT REQUIRED)
131 find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
132 endif(SIMGEAR_HEADLESS)
135 message(STATUS "JPEG-factory: ENABLED")
136 find_package(JPEG REQUIRED)
137 include_directories(${JPEG_INCLUDE_DIR})
139 message(STATUS "JPEG-factory: DISABLED")
143 find_package(SvnClient)
146 message(STATUS "Subversion client support: ENABLED")
147 set(HAVE_SVN_CLIENT_H 1)
148 set(HAVE_LIBSVN_CLIENT_1 1)
150 # Oops. ENABLE_LIBSVN is ON, but svn is still missing.
151 # Provide clearly visible warning/hint, so builders know what else they should install (or disable).
152 message(WARNING "Failed to enable subversion client support. Unable to find required subversion client library. Some features may not be available (scenery download).")
153 message(WARNING "Install 'libsvn' library/DLL (libsvn-devel/libsvnclient/...). Otherwise disable subversion support (set 'ENABLE_LIBSVN' to 'OFF').")
156 message(STATUS "Subversion client support: DISABLED")
159 check_include_file(sys/time.h HAVE_SYS_TIME_H)
160 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
161 check_include_file(unistd.h HAVE_UNISTD_H)
162 check_include_file(windows.h HAVE_WINDOWS_H)
165 # See if we have any rti library variant installed
166 message(STATUS "RTI: ENABLED")
169 message(STATUS "RTI: DISABLED")
172 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
173 check_function_exists(ftime HAVE_FTIME)
174 check_function_exists(timegm HAVE_TIMEGM)
175 check_function_exists(rint HAVE_RINT)
176 check_function_exists(mkdtemp HAVE_MKDTEMP)
177 check_function_exists(bcopy HAVE_BCOPY)
178 check_function_exists(mmap HAVE_MMAP)
181 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
182 check_cxx_source_compiles(
184 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
185 #error clock_gettime is not supported
188 int main() { return 0; }
194 if(HAVE_CLOCK_GETTIME)
195 check_library_exists(rt clock_gettime "" HAVE_RT)
199 endif(HAVE_CLOCK_GETTIME)
201 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
202 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
203 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
204 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
206 # isnan might not be real symbol, so can't check using function_exists
207 check_cxx_source_compiles(
209 void f() { isnan(0.0);} "
212 if(CMAKE_COMPILER_IS_GNUCXX)
213 set(WARNING_FLAGS_CXX "-Wall")
214 set(WARNING_FLAGS_C "-Wall")
216 # certain GCC versions don't provide the atomic builds, and hence
217 # require is to provide them in SGAtomic.cxx
218 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
219 check_cxx_source_compiles(
220 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
221 GCC_ATOMIC_BUILTINS_FOUND)
222 endif(CMAKE_COMPILER_IS_GNUCXX)
224 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
225 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual")
226 set(WARNING_FLAGS_C "-Wall")
232 add_definitions(-D_WIN32_WINNT=0x501)
236 # turn off various warnings
237 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
238 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
239 # endforeach(warning)
241 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996")
245 set(HAVE_GETLOCALTIME 1)
247 set( WINSOCK_LIBRARY "ws2_32.lib" )
248 set( RT_LIBRARY "winmm" )
251 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
252 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
254 include_directories(${PROJECT_SOURCE_DIR})
255 include_directories(${PROJECT_BINARY_DIR}/simgear)
256 include_directories(${PROJECT_BINARY_DIR}/simgear/xml)
258 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
259 ${Boost_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIR}
260 ${ALUT_INCLUDE_DIR} ${OPENAL_INCLUDE_DIR} )
262 add_definitions(-DHAVE_CONFIG_H)
263 add_definitions(-DHAVE_EXPAT_CONFIG_H)
265 # configure a header file to pass some of the CMake settings
268 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
269 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
273 "${PROJECT_SOURCE_DIR}/simgear/xml/expat_config_cmake.in"
274 "${PROJECT_BINARY_DIR}/simgear/xml/expat_config.h"
278 # enable CTest / make test target
279 message(STATUS "Tests: ENABLED")
284 message(STATUS "Tests: DISABLED")
287 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
288 add_subdirectory(simgear)
290 #-----------------------------------------------------------------------------
292 #-----------------------------------------------------------------------------
294 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
295 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
297 ADD_CUSTOM_TARGET(uninstall
298 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")