CMakeLists.txt

   1 cmake_minimum_required (VERSION 2.6)
   2
   3 include (CheckFunctionExists)
   4 include (CheckCSourceCompiles)
   5 include (CheckCXXSourceCompiles)
   6 include (CheckIncludeFile)
   7 include (CPack)
   8
   9 project(FlightGear)
  10
  11 file(READ version FLIGHTGEAR_VERSION)
  12
  13 #packaging
  14 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
  15 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
  16
  17 # We have some custom .cmake scripts not in the official distribution.
  18 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
  19
  20 # autoconf compatibility
  21 set(PKGLIBDIR "foo")
  22
  23 option(LOGGING "Set to OFF to build FlightGear without logging" ON)
  24
  25 option(SP_FDMS "Set to ON to build FlightGear with special-purpose FDMs" OFF)
  26 option(ENABLE_UIUC_MODEL "Set to ON to build FlightGear with UIUCModel FDM" ON)
  27 option(ENABLE_LARCSIM "Set to ON to build FlightGear with LaRCsim FDM" ON)
  28 option(ENABLE_YASIM "Set to ON to build FlightGear with YASIM FDM" ON)
  29 option(ENABLE_JSBSIM "Set to ON to build FlightGear with JSBSim FDM" ON)
  30
  31 option(ATCDCL "Set to ON to build FlightGear with Dave Luff's ATC code" OFF)
  32 option(EVENT_INPUT "Set to ON to build FlightGear with event-based Input support" OFF)
  33
  34 if(LOGGING)
  35         # nothing
  36 else()
  37         set(FG_NDEBUG 1)
  38 endif()
  39
  40 if(${SP_FDMS})
  41         set(ENABLE_SP_FDM 1)
  42 endif()
  43
  44 if(ATCDCL)
  45         set(ENABLE_ATCDCL 1)
  46 endif()
  47
  48 if(EVENT_INPUT)
  49         message(STATUS "checking event-based Input")
  50         IF(APPLE)
  51
  52         elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
  53
  54         else()
  55                 message(WARNING "event input is not supported on this platform yet")
  56         endif()
  57 else(EVENT_INPUT)
  58         set(ENABLE_PLIB_JOYSTICK 1)
  59 endif(EVENT_INPUT)
  60
  61 # check required dependencies
  62 find_package(Boost REQUIRED)
  63 find_package(ZLIB REQUIRED)
  64 find_package(Threads REQUIRED)
  65 find_package(OpenGL REQUIRED)
  66 find_package(OpenAL REQUIRED)
  67 find_package(ALUT REQUIRED)
  68 find_package(OpenSceneGraph 2.8.2 REQUIRED osgText osgSim osgDB osgParticle osgFX osgUtil osgViewer osgGA)
  69 find_package(PLIB REQUIRED puaux pu js fnt)
  70 find_package(SimGear 2.0.0 REQUIRED)
  71
  72 check_include_file(unistd.h HAVE_UNISTD_H)
  73 check_include_file(sys/time.h HAVE_SYS_TIME_H)
  74
  75 # definition depends on OSG version
  76 set(CMAKE_REQUIRED_INCLUDES ${OPENSCENEGRAPH_INCLUDE_DIRS})
  77
  78 check_cxx_source_compiles(
  79     "#include <osg/CullSettings>
  80     int main()
  81     {
  82        osg::CullSettings::VariablesMask mask = osg::CullSettings::CLEAR_MASK;
  83        return 0;
  84     }
  85     "
  86     HAVE_CULLSETTINGS_CLEAR_MASK)
  87
  88 # library required by simgear
  89 # XXX This should go in a module and only run if simgear is not shared.
  90
  91 if(HAVE_UNISTD_H)
  92 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
  93 check_cxx_source_compiles(
  94    "#include <unistd.h>
  95     #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
  96     #error clock_gettime is not supported
  97     #endif
  98
  99     int main() { return 0; }
 100     "
 101     HAVE_CLOCK_GETTIME)
 102 endif(HAVE_UNISTD_H)
 103
 104 set(RT_LIBRARY "")
 105 if(HAVE_CLOCK_GETTIME)
 106 check_function_exists(clock_gettime CLOCK_GETTIME_IN_LIBC)
 107 if(NOT CLOCK_GETTIME_IN_LIBC)
 108 check_library_exists(rt clock_gettime "" HAVE_RT)
 109 if(HAVE_RT)
 110 set(RT_LIBRARY rt)
 111 endif(HAVE_RT)
 112 endif(NOT CLOCK_GETTIME_IN_LIBC)
 113 endif(HAVE_CLOCK_GETTIME)
 114
 115 if(CMAKE_COMPILER_IS_GNUCXX)
 116     set(WARNING_FLAGS -Wall)
 117 endif(CMAKE_COMPILER_IS_GNUCXX)
 118
 119 if(WIN32)
 120
 121     if(MSVC)
 122         # turn off various warnings
 123         # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
 124         #     SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
 125         # endforeach(warning)
 126
 127         set(MSVC_FLAGS "-DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS")
 128     endif(MSVC)
 129
 130     set(NOMINMAX 1)
 131 endif(WIN32)
 132
 133 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS}")
 134 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS}")
 135
 136 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
 137     ${Boost_INCLUDE_DIRS}
 138         ${ZLIB_INCLUDE_DIR}
 139     ${ALUT_INCLUDE_DIR}
 140         ${OPENAL_INCLUDE_DIR}
 141         ${SIMGEAR_INCLUDE_DIR}
 142         ${PLIB_INCLUDE_DIR} )
 143
 144 include_directories(${PROJECT_SOURCE_DIR}/src)
 145 include_directories(${PROJECT_BINARY_DIR}/src/Include)
 146
 147 add_definitions(-DHAVE_CONFIG_H)
 148
 149 # configure a header file to pass some of the CMake settings
 150 # to the source code
 151 configure_file (
 152   "${PROJECT_SOURCE_DIR}/src/Include/config_cmake.h.in"
 153   "${PROJECT_BINARY_DIR}/src/Include/config.h"
 154   )
 155
 156 add_subdirectory(src)
 157 add_subdirectory(utils)