+# Change the default build type to something fast
+if(NOT CMAKE_BUILD_TYPE)
+ set(CMAKE_BUILD_TYPE Release CACHE STRING
+ "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
+ FORCE)
+endif(NOT CMAKE_BUILD_TYPE)
+
+# Determine name of library installation directory, i.e. "lib" vs "lib64", which
+# differs between all Debian-based vs all other Linux distros.
+# See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
+include(GNUInstallDirs)
+message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
+
+#####################################################################################
+# Configure library search paths
+#####################################################################################
+
+if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
+ # Workaround for Ubuntu/Debian which introduced the "multiarch" library
+ # directory structure, which is unsupported by CMake < 2.8.10, so we need to
+ # add paths manually
+ # see http://www.cmake.org/Bug/view.php?id=12049 and
+ # http://www.cmake.org/Bug/view.php?id=12037
+ list(APPEND ADDITIONAL_LIBRARY_PATHS
+ /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
+ /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
+ /lib/${CMAKE_LIBRARY_ARCHITECTURE})
+ message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
+endif()
+
+#####################################################################################
+
+if (NOT MSVC)
+option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
+option(SYSTEM_EXPAT "Set to ON to build SimGear using the system expat library" OFF)
+option(SYSTEM_UDNS "Set to ON to build SimGear using the system udns library" OFF)
+else()
+# Building SimGear DLLs is currently not supported for MSVC.
+set(SIMGEAR_SHARED OFF)
+# Using external 3rd party libraries is currently not supported for MSVC - it would require shared simgear (DLL).
+set(SYSTEM_EXPAT OFF)
+set(SYSTEM_UDNS OFF)
+endif()
+
+option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
+option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
+option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
+option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
+option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
+option(ENABLE_DNS "Set to ON to use udns library and DNS service resolver" ON)
+
+if (MSVC)
+ GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
+ if (CMAKE_CL_64)
+ SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
+ else (CMAKE_CL_64)
+ SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
+ endif (CMAKE_CL_64)
+ if (EXISTS ${TEST_3RDPARTY_DIR})
+ set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
+ else (EXISTS ${TEST_3RDPARTY_DIR})
+ set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
+ endif (EXISTS ${TEST_3RDPARTY_DIR})
+else (MSVC)
+ set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
+endif (MSVC)
+
+if (MSVC AND MSVC_3RDPARTY_ROOT)
+ message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
+
+ set( OSG_MSVC "msvc" )
+ if (${MSVC_VERSION} EQUAL 1900)
+ set( OSG_MSVC ${OSG_MSVC}140 )
+ elseif (${MSVC_VERSION} EQUAL 1800)
+ set( OSG_MSVC ${OSG_MSVC}120 )
+ elseif (${MSVC_VERSION} EQUAL 1700)
+ set( OSG_MSVC ${OSG_MSVC}110 )
+ elseif (${MSVC_VERSION} EQUAL 1600)
+ set( OSG_MSVC ${OSG_MSVC}100 )
+ endif ()
+ if (CMAKE_CL_64)
+ set( OSG_MSVC ${OSG_MSVC}-64 )
+ set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
+ else (CMAKE_CL_64)
+ set( MSVC_3RDPARTY_DIR 3rdParty )
+ endif (CMAKE_CL_64)
+
+ 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 )
+ 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)
+
+ GET_FILENAME_COMPONENT(MSVC_ROOT_PARENT_DIR ${MSVC_3RDPARTY_ROOT} PATH)
+ find_path(BOOST_ROOT boost/version.hpp
+ PATHS
+ ${MSVC_ROOT_PARENT_DIR}
+ ${MSVC_3RDPARTY_ROOT}/boost
+ ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
+ ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
+ ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
+ )
+ # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
+ message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
+ set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
+ set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
+endif (MSVC AND MSVC_3RDPARTY_ROOT)
+
+if(APPLE)
+ find_library(COCOA_LIBRARY Cocoa)
+
+ # using 10.7 because boost requires libc++ and 10.6 doesn't include it
+ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
+endif()
+
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
+ ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+ find_package(Threads REQUIRED)
+endif()
+
+# Somehow this only works if included before searching for Boost...
+include(BoostTestTargets)