CMakeLists.txt

   1 cmake_minimum_required (VERSION 2.6.4)
   2 include (CheckFunctionExists)
   3 include (CheckIncludeFile)
   4 include (CheckCXXSourceCompiles)
   5
   6
   7 project(SimGear)
   8
   9 # read 'version' file into a variable (stripping any newlines or spaces)
  10 file(READ version versionFile)
  11 string(STRIP ${versionFile} SIMGEAR_VERSION)
  12
  13 # use simgear version also as the SO version (if building SOs)
  14 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
  15
  16 # Warning when build is not an out-of-source build.
  17 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
  18 if(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 ${CMAKE_SOURCE_DIR}")
  22 endif(InSourceBuild)
  23
  24 if (NOT EMBEDDED_SIMGEAR)
  25     #packaging
  26     SET(CPACK_RESOURCE_FILE_LICENSE "${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;/)
  32
  33
  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})
  39
  40     message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
  41
  42     set(CPACK_SOURCE_GENERATOR TBZ2)
  43     set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
  44     set(CPACK_SOURCE_IGNORE_FILES
  45       "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
  46
  47     message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
  48
  49     include (CPack)
  50 endif()
  51
  52 # We have some custom .cmake scripts not in the official distribution.
  53 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
  54
  55 # Change the default build type to something fast
  56 if(NOT CMAKE_BUILD_TYPE)
  57   set(CMAKE_BUILD_TYPE Release CACHE STRING
  58       "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
  59       FORCE)
  60 endif(NOT CMAKE_BUILD_TYPE)
  61
  62 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
  63 # differs between all Debian-based vs all other Linux distros.
  64 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
  65 # GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
  66 if(${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: ${CMAKE_INSTALL_LIBDIR}")
  72
  73 #####################################################################################
  74 # Configure library search paths
  75 #####################################################################################
  76
  77 if(NOT "${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
  80     # add paths manually
  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}")
  88 endif()
  89
  90 if(NOT MSVC)
  91     # TBD: are these really necessary? Aren't they considered by cmake automatically?
  92     list(APPEND ADDITIONAL_LIBRARY_PATHS
  93          /opt/local
  94          /usr/local
  95          /usr)
  96 endif()
  97 #####################################################################################
  98
  99 if (NOT MSVC)
 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)
 102 else()
 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)
 107 endif()
 108
 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(ENABLE_LIBSVN    "Set to ON to build SimGear with libsvnclient support" ON)
 112 option(ENABLE_RTI       "Set to ON to build SimGear with RTI support" OFF)
 113 option(ENABLE_TESTS     "Set to OFF to disable building SimGear's test applications" ON)
 114 option(ENABLE_SOUND     "Set to OFF to disable building SimGear's sound support" ON)
 115 option(ENABLE_PACKAGE   "Set to ON to build package-management support" OFF)
 116
 117 if (MSVC)
 118   GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_SOURCE_DIR} PATH)
 119   if (CMAKE_CL_64)
 120     SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
 121   else (CMAKE_CL_64)
 122     SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
 123   endif (CMAKE_CL_64)
 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})
 129 else (MSVC)
 130   set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
 131 endif (MSVC)
 132
 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)
 143   if (CMAKE_CL_64)
 144       set( OSG_MSVC ${OSG_MSVC}-64 )
 145       set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
 146   else (CMAKE_CL_64)
 147       set( MSVC_3RDPARTY_DIR 3rdParty )
 148   endif (CMAKE_CL_64)
 149
 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
 164                         )
 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)
 170
 171 find_package(Boost REQUIRED)
 172 set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION")
 173
 174 if(SIMGEAR_HEADLESS)
 175     message(STATUS "SimGear mode: HEADLESS")
 176     set(ENABLE_SOUND 0)
 177 else()
 178     message(STATUS "SimGear mode: NORMAL")
 179     find_package(OpenGL REQUIRED)
 180
 181     if (ENABLE_SOUND)
 182         find_package(OpenAL REQUIRED)
 183         message(STATUS "Sound support: ENABLED")
 184     endif(ENABLE_SOUND)
 185
 186     find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
 187 endif(SIMGEAR_HEADLESS)
 188
 189 if(JPEG_FACTORY)
 190     message(STATUS "JPEG-factory: ENABLED")
 191     find_package(JPEG REQUIRED)
 192     include_directories(${JPEG_INCLUDE_DIR})
 193 else()
 194     message(STATUS "JPEG-factory: DISABLED")
 195 endif(JPEG_FACTORY)
 196
 197 if(ENABLE_LIBSVN)
 198     find_package(SvnClient)
 199
 200     if(LIBSVN_FOUND)
 201         message(STATUS "Subversion client support: ENABLED")
 202         set(HAVE_SVN_CLIENT_H 1)
 203         set(HAVE_LIBSVN_CLIENT_1 1)
 204     else()
 205         # Oops. ENABLE_LIBSVN is ON, but svn is still missing.
 206         # Provide clearly visible warning/hint, so builders know what else they should install (or disable).
 207         message(WARNING "Failed to enable subversion client support. Unable to find required subversion client library. Some features may not be available (scenery download).")
 208         message(WARNING "Install 'libsvn' library/DLL (libsvn-devel/libsvnclient/...). Otherwise disable subversion support (set 'ENABLE_LIBSVN' to 'OFF').")
 209     endif(LIBSVN_FOUND)
 210 else()
 211     message(STATUS "Subversion client support: DISABLED")
 212 endif(ENABLE_LIBSVN)
 213
 214 find_package(ZLIB REQUIRED)
 215 find_package(Threads REQUIRED)
 216
 217 if (SYSTEM_EXPAT)
 218     message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
 219     set(SIMGEAR_SHARED ON)
 220     find_package(EXPAT REQUIRED)
 221     include_directories(${EXPAT_INCLUDE_DIRS})
 222 else()
 223     message(STATUS "Using built-in expat code")
 224     add_definitions(-DHAVE_EXPAT_CONFIG_H)
 225 endif(SYSTEM_EXPAT)
 226
 227 if (ENABLE_PACKAGE)
 228     message(STATUS "package management: ENABLED: libArchive is needed")
 229     find_package(LibArchive REQUIRED)
 230 else()
 231     message(STATUS "package management: DISABLED")
 232 endif(ENABLE_PACKAGE)
 233
 234 check_include_file(inttypes.h HAVE_INTTYPES_H)
 235 check_include_file(sys/time.h HAVE_SYS_TIME_H)
 236 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
 237 check_include_file(unistd.h HAVE_UNISTD_H)
 238 check_include_file(windows.h HAVE_WINDOWS_H)
 239
 240 if(HAVE_INTTYPES_H)
 241   # ShivaVG needs inttypes.h
 242   add_definitions(-DHAVE_INTTYPES_H)
 243 endif()
 244
 245 if(ENABLE_RTI)
 246     # See if we have any rti library variant installed
 247     message(STATUS "RTI: ENABLED")
 248     find_package(RTI)
 249 else()
 250     message(STATUS "RTI: DISABLED")
 251 endif(ENABLE_RTI)
 252
 253 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
 254 check_function_exists(ftime HAVE_FTIME)
 255 check_function_exists(timegm HAVE_TIMEGM)
 256 check_function_exists(rint HAVE_RINT)
 257 check_function_exists(mkdtemp HAVE_MKDTEMP)
 258 check_function_exists(bcopy HAVE_BCOPY)
 259 check_function_exists(mmap HAVE_MMAP)
 260
 261 if(HAVE_UNISTD_H)
 262     set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
 263     check_cxx_source_compiles(
 264        "#include <unistd.h>
 265         #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
 266             #error clock_gettime is not supported
 267         #endif
 268
 269         int main() { return 0; }
 270         "
 271         HAVE_CLOCK_GETTIME)
 272 endif(HAVE_UNISTD_H)
 273
 274 set(RT_LIBRARY "")
 275 if(HAVE_CLOCK_GETTIME)
 276     check_library_exists(rt clock_gettime "" HAVE_RT)
 277     if(HAVE_RT)
 278         set(RT_LIBRARY rt)
 279     endif(HAVE_RT)
 280 endif(HAVE_CLOCK_GETTIME)
 281
 282 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
 283 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 284 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 285 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 286
 287 # isnan might not be real symbol, so can't check using function_exists
 288 check_cxx_source_compiles(
 289     "#include <cmath>
 290     void f() { isnan(0.0);} "
 291     HAVE_ISNAN)
 292
 293 check_cxx_source_compiles(
 294     "#include <cmath>
 295     void f() { std::isnan(0.0);} "
 296     HAVE_STD_ISNAN)
 297
 298 if(CMAKE_COMPILER_IS_GNUCXX)
 299     set(WARNING_FLAGS_CXX "-Wall")
 300     set(WARNING_FLAGS_C   "-Wall")
 301
 302     # certain GCC versions don't provide the atomic builds, and hence
 303     # require is to provide them in SGAtomic.cxx
 304     set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
 305     check_cxx_source_compiles(
 306        "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
 307         GCC_ATOMIC_BUILTINS_FOUND)
 308 endif(CMAKE_COMPILER_IS_GNUCXX)
 309
 310 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
 311    set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual")
 312    set(WARNING_FLAGS_C   "-Wall")
 313 endif()
 314
 315 if(WIN32)
 316
 317     if(MINGW)
 318         add_definitions(-D_WIN32_WINNT=0x501)
 319     endif()
 320
 321     if(MSVC)
 322         # turn off various warnings
 323         # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
 324         #     SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
 325         # endforeach(warning)
 326
 327         set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250")
 328     endif(MSVC)
 329
 330     # assumed on Windows
 331     set(HAVE_GETLOCALTIME 1)
 332
 333     set( WINSOCK_LIBRARY "ws2_32.lib" )
 334     set( RT_LIBRARY "winmm" )
 335 endif(WIN32)
 336
 337 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
 338 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
 339
 340 include_directories(${PROJECT_SOURCE_DIR})
 341 include_directories(${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
 342 include_directories(${PROJECT_BINARY_DIR}/simgear)
 343 include_directories(${PROJECT_BINARY_DIR}/simgear/xml)
 344
 345 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
 346     ${Boost_INCLUDE_DIRS}
 347     ${ZLIB_INCLUDE_DIR}
 348     ${OPENAL_INCLUDE_DIR}
 349     ${LibArchive_INCLUDE_DIRS}
 350 )
 351
 352 add_definitions(-DHAVE_CONFIG_H)
 353
 354 # configure a header file to pass some of the CMake settings
 355 # to the source code
 356 configure_file (
 357   "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
 358   "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
 359   )
 360
 361 configure_file (
 362     "${PROJECT_SOURCE_DIR}/simgear/xml/expat_config_cmake.in"
 363     "${PROJECT_BINARY_DIR}/simgear/xml/expat_config.h"
 364 )
 365
 366 if(ENABLE_TESTS)
 367     # enable CTest / make test target
 368     message(STATUS "Tests: ENABLED")
 369
 370     include (Dart)
 371         enable_testing()
 372 else()
 373     message(STATUS "Tests: DISABLED")
 374 endif(ENABLE_TESTS)
 375
 376 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h  DESTINATION include/simgear/)
 377 add_subdirectory(simgear)
 378
 379 if (NOT EMBEDDED_SIMGEAR)
 380 #-----------------------------------------------------------------------------
 381 ### uninstall target
 382 #-----------------------------------------------------------------------------
 383 CONFIGURE_FILE(
 384   "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
 385   "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
 386   IMMEDIATE @ONLY)
 387 ADD_CUSTOM_TARGET(uninstall
 388   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
 389
 390 endif()
 391