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 option(EVENT_INPUT "Set to ON to build FlightGear with event-based Input support" OFF)
  31
  32 if(LOGGING)
  33         # nothing
  34 else()
  35         set(FG_NDEBUG 1)
  36 endif()
  37
  38 if(${SP_FDMS})
  39         set(ENABLE_SP_FDM 1)
  40 endif()
  41
  42 if(EVENT_INPUT)
  43         message(STATUS "checking event-based Input")
  44         IF(APPLE)
  45
  46         elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
  47
  48         else()
  49                 message(WARNING "event input is not supported on this platform yet")
  50         endif()
  51 else(EVENT_INPUT)
  52         set(ENABLE_PLIB_JOYSTICK 1)
  53 endif(EVENT_INPUT)
  54
  55 # check required dependencies
  56 if (MSVC)
  57     # on MSVC, Olaf reports that the serialization library is required at
  58     # link time. No one has you explained why, unfortunately.
  59     set(Boost_USE_STATIC_LIBS        ON)
  60     set(Boost_USE_MULTITHREADED      ON)
  61     set(Boost_USE_STATIC_RUNTIME    OFF)
  62     find_package(Boost REQUIRED COMPONENTS serialization)
  63 else (MSVC)
  64     find_package(Boost REQUIRED)
  65 endif (MSVC)
  66
  67 find_package(ZLIB REQUIRED)
  68 find_package(Threads REQUIRED)
  69 find_package(OpenGL REQUIRED)
  70 find_package(OpenAL REQUIRED)
  71 find_package(ALUT REQUIRED)
  72 find_package(OpenSceneGraph 2.8.2 REQUIRED osgText osgSim osgDB osgParticle osgFX osgUtil osgViewer osgGA)
  73 find_package(PLIB REQUIRED puaux pu js fnt)
  74 find_package(SimGear 2.0.0 REQUIRED)
  75
  76 check_include_file(unistd.h HAVE_UNISTD_H)
  77 check_include_file(sys/time.h HAVE_SYS_TIME_H)
  78
  79 # definition depends on OSG version
  80 set(CMAKE_REQUIRED_INCLUDES ${OPENSCENEGRAPH_INCLUDE_DIRS})
  81
  82 check_cxx_source_compiles(
  83     "#include <osg/CullSettings>
  84     int main()
  85     {
  86        osg::CullSettings::VariablesMask mask = osg::CullSettings::CLEAR_MASK;
  87        return 0;
  88     }
  89     "
  90     HAVE_CULLSETTINGS_CLEAR_MASK)
  91
  92 # library required by simgear
  93 # XXX This should go in a module and only run if simgear is not shared.
  94
  95 if(HAVE_UNISTD_H)
  96 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
  97 check_cxx_source_compiles(
  98    "#include <unistd.h>
  99     #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
 100     #error clock_gettime is not supported
 101     #endif
 102
 103     int main() { return 0; }
 104     "
 105     HAVE_CLOCK_GETTIME)
 106 endif(HAVE_UNISTD_H)
 107
 108 set(RT_LIBRARY "")
 109 if(HAVE_CLOCK_GETTIME)
 110 check_function_exists(clock_gettime CLOCK_GETTIME_IN_LIBC)
 111 if(NOT CLOCK_GETTIME_IN_LIBC)
 112 check_library_exists(rt clock_gettime "" HAVE_RT)
 113 if(HAVE_RT)
 114 set(RT_LIBRARY rt)
 115 endif(HAVE_RT)
 116 endif(NOT CLOCK_GETTIME_IN_LIBC)
 117 endif(HAVE_CLOCK_GETTIME)
 118
 119 if(CMAKE_COMPILER_IS_GNUCXX)
 120     set(WARNING_FLAGS -Wall)
 121 endif(CMAKE_COMPILER_IS_GNUCXX)
 122
 123 if(WIN32)
 124
 125     if(MSVC)
 126         # turn off various warnings
 127         # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
 128         #     SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
 129         # endforeach(warning)
 130
 131         set(MSVC_FLAGS "-DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS")
 132     endif(MSVC)
 133
 134     set(NOMINMAX 1)
 135 endif(WIN32)
 136
 137 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS} -D_REENTRANT")
 138 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS} -D_REENTRANT")
 139
 140 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
 141     ${Boost_INCLUDE_DIRS}
 142         ${ZLIB_INCLUDE_DIR}
 143     ${ALUT_INCLUDE_DIR}
 144         ${OPENAL_INCLUDE_DIR}
 145         ${SIMGEAR_INCLUDE_DIR}
 146         ${PLIB_INCLUDE_DIR} )
 147
 148 include_directories(${PROJECT_SOURCE_DIR}/src)
 149 include_directories(${PROJECT_BINARY_DIR}/src/Include)
 150
 151 add_definitions(-DHAVE_CONFIG_H)
 152
 153 # configure a header file to pass some of the CMake settings
 154 # to the source code
 155 configure_file (
 156   "${PROJECT_SOURCE_DIR}/src/Include/config_cmake.h.in"
 157   "${PROJECT_BINARY_DIR}/src/Include/config.h"
 158   )
 159
 160 add_subdirectory(src)
 161 add_subdirectory(utils)
 162
 163 #-----------------------------------------------------------------------------
 164 ### uninstall target
 165 #-----------------------------------------------------------------------------
 166 CONFIGURE_FILE(
 167   "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
 168   "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
 169   IMMEDIATE @ONLY)
 170 ADD_CUSTOM_TARGET(uninstall
 171   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
 172