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cmake_minimum_required ( VERSION 2.6.4 )
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include ( CheckFunctionExists )
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include ( CheckIncludeFile )
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include ( CheckCXXSourceCompiles )
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project ( SimGear )
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# read 'version' file into a variable (stripping any newlines or spaces)
file ( READ version versionFile )
string ( STRIP ${ versionFile } SIMGEAR_VERSION )
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# use simgear version also as the SO version (if building SOs)
SET ( SIMGEAR_SOVERSION ${ SIMGEAR_VERSION } )
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# Warning when build is not an out-of-source build.
string ( COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild )
if ( InSourceBuild )
message ( WARNING "Avoid building inside the source tree!" )
message ( WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: " )
message ( WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}" )
endif ( InSourceBuild )
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#packaging
SET ( CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING" )
SET ( CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README" )
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SET ( CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects" )
SET ( CPACK_PACKAGE_VENDOR "The FlightGear project" )
SET ( CPACK_GENERATOR "TBZ2" )
SET ( CPACK_INSTALL_CMAKE_PROJECTS ${ CMAKE_CURRENT_BINARY_DIR } ;SimGear;ALL;/ )
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# split version string into components, note CMAKE_MATCH_0 is the entire regexp match
string ( REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${ SIMGEAR_VERSION } )
set ( CPACK_PACKAGE_VERSION_MAJOR ${ CMAKE_MATCH_1 } )
set ( CPACK_PACKAGE_VERSION_MINOR ${ CMAKE_MATCH_2 } )
set ( CPACK_PACKAGE_VERSION_PATCH ${ CMAKE_MATCH_3 } )
message ( STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}" )
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set ( CPACK_SOURCE_GENERATOR TBZ2 )
set ( CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename" )
set ( CPACK_SOURCE_IGNORE_FILES
" ^ $ { P R O J E C T _ S O U R C E _ D I R } / . g i t ; \ \ \ \ . g i t i g n o r e ; M a k e f i l e . a m ; ~ $ ; $ { C P A C K _ S O U R C E _ I G N O R E _ F I L E S } " )
message ( STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}" )
include ( CPack )
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# We have some custom .cmake scripts not in the official distribution.
set ( CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}" )
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# Change the default build type to something fast
if ( NOT CMAKE_BUILD_TYPE )
set ( CMAKE_BUILD_TYPE Release CACHE STRING
" C h o o s e t h e t y p e o f b u i l d , o p t i o n s a r e : N o n e D e b u g R e l e a s e R e l W i t h D e b I n f o M i n S i z e R e l . "
F O R C E )
endif ( NOT CMAKE_BUILD_TYPE )
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# 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
# GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
if ( ${ CMAKE_VERSION } VERSION_GREATER 2.8.4 )
include ( GNUInstallDirs )
else ( ${ CMAKE_VERSION } VERSION_GREATER 2.8.4 )
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include ( OldGNUInstallDirs )
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endif ( ${ CMAKE_VERSION } VERSION_GREATER 2.8.4 )
message ( STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}" )
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option ( SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF )
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option ( SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF )
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option ( JPEG_FACTORY "Enable JPEG-factory support" OFF )
option ( ENABLE_LIBSVN "Set to ON to build SimGear with libsvnclient support" ON )
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 )
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if ( MSVC )
GET_FILENAME_COMPONENT ( PARENT_DIR ${ PROJECT_SOURCE_DIR } PATH )
if ( CMAKE_CL_64 )
SET ( TEST_3RDPARTY_DIR "${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 )
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if ( MSVC AND MSVC_3RDPARTY_ROOT )
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message ( STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}" )
set ( OSG_MSVC "msvc" )
if ( ${ MSVC_VERSION } EQUAL 1600 )
set ( OSG_MSVC ${ OSG_MSVC } 100 )
else ( ${ MSVC_VERSION } EQUAL 1600 )
set ( OSG_MSVC ${ OSG_MSVC } 90 )
endif ( ${ MSVC_VERSION } EQUAL 1600 )
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 )
set ( CMAKE_INCLUDE_PATH ${ MSVC_3RDPARTY_ROOT } / ${ MSVC_3RDPARTY_DIR } /include ${ MSVC_3RDPARTY_ROOT } /install/ ${ OSG_MSVC } /OpenScenegraph/include )
set ( BOOST_ROOT ${ MSVC_3RDPARTY_ROOT } /boost_1_44_0 )
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message ( STATUS "BOOST_ROOT is ${BOOST_ROOT}" )
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set ( OPENAL_INCLUDE_DIR ${ MSVC_3RDPARTY_ROOT } / ${ MSVC_3RDPARTY_DIR } /include )
set ( ALUT_INCLUDE_DIR ${ MSVC_3RDPARTY_ROOT } / ${ MSVC_3RDPARTY_DIR } /include )
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set ( OPENAL_LIBRARY_DIR ${ MSVC_3RDPARTY_ROOT } / ${ MSVC_3RDPARTY_DIR } /lib )
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endif ( MSVC AND MSVC_3RDPARTY_ROOT )
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find_package ( Boost REQUIRED )
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set ( BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DISABLE_SERIALIZATION" )
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find_package ( ZLIB REQUIRED )
find_package ( Threads REQUIRED )
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if ( SIMGEAR_HEADLESS )
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message ( STATUS "SimGear mode: HEADLESS" )
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else ( )
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message ( STATUS "SimGear mode: NORMAL" )
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find_package ( OpenGL REQUIRED )
find_package ( OpenAL REQUIRED )
find_package ( ALUT REQUIRED )
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find_package ( OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgUtil )
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endif ( SIMGEAR_HEADLESS )
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if ( JPEG_FACTORY )
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message ( STATUS "JPEG-factory: ENABLED" )
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find_package ( JPEG REQUIRED )
include_directories ( ${ JPEG_INCLUDE_DIR } )
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else ( )
message ( STATUS "JPEG-factory: DISABLED" )
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endif ( JPEG_FACTORY )
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if ( ENABLE_LIBSVN )
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find_package ( SvnClient )
if ( LIBSVN_FOUND )
message ( STATUS "Subversion client support: ENABLED" )
set ( HAVE_SVN_CLIENT_H 1 )
set ( HAVE_LIBSVN_CLIENT_1 1 )
else ( )
# Oops. ENABLE_LIBSVN is ON, but svn is still missing.
# Provide clearly visible warning/hint, so builders know what else they should install (or disable).
message ( WARNING "Failed to enable subversion client support. Unable to find required subversion client library. Some features may not be available (scenery download)." )
message ( WARNING "Install 'libsvn' library/DLL (libsvn-devel/libsvnclient/...). Otherwise disable subversion support (set 'ENABLE_LIBSVN' to 'OFF')." )
endif ( LIBSVN_FOUND )
else ( )
message ( STATUS "Subversion client support: DISABLED" )
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endif ( ENABLE_LIBSVN )
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check_include_file ( sys/time.h HAVE_SYS_TIME_H )
check_include_file ( sys/timeb.h HAVE_SYS_TIMEB_H )
check_include_file ( unistd.h HAVE_UNISTD_H )
check_include_file ( windows.h HAVE_WINDOWS_H )
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if ( ENABLE_RTI )
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# See if we have any rti library variant installed
message ( STATUS "RTI: ENABLED" )
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find_package ( RTI )
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else ( )
message ( STATUS "RTI: DISABLED" )
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endif ( ENABLE_RTI )
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check_function_exists ( gettimeofday HAVE_GETTIMEOFDAY )
check_function_exists ( ftime HAVE_FTIME )
check_function_exists ( timegm HAVE_TIMEGM )
check_function_exists ( rint HAVE_RINT )
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check_function_exists ( mkdtemp HAVE_MKDTEMP )
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check_function_exists ( bcopy HAVE_BCOPY )
check_function_exists ( mmap HAVE_MMAP )
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if ( HAVE_UNISTD_H )
set ( CMAKE_REQUIRED_INCLUDES ${ CMAKE_INCLUDE_PATH } )
check_cxx_source_compiles (
" #include <unistd.h>
#if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
#error clock_gettime is not supported
#endif
i n t main ( ) { r e t u r n 0 ; }
"
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H A V E _ C L O C K _ G E T T I M E )
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endif ( HAVE_UNISTD_H )
set ( RT_LIBRARY "" )
if ( HAVE_CLOCK_GETTIME )
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check_library_exists ( rt clock_gettime "" HAVE_RT )
if ( HAVE_RT )
set ( RT_LIBRARY rt )
endif ( HAVE_RT )
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endif ( HAVE_CLOCK_GETTIME )
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SET ( CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows" )
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SET ( CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows" )
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SET ( CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows" )
SET ( CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows" )
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# isnan might not be real symbol, so can't check using function_exists
check_cxx_source_compiles (
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" #include <cmath>
v o i d f ( ) { isnan ( 0.0 ) ; } "
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H A V E _ I S N A N )
if ( CMAKE_COMPILER_IS_GNUCXX )
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set ( WARNING_FLAGS_CXX "-Wall" )
set ( WARNING_FLAGS_C "-Wall" )
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# certain GCC versions don't provide the atomic builds, and hence
# require is to provide them in SGAtomic.cxx
set ( CMAKE_REQUIRED_INCLUDES ${ CMAKE_INCLUDE_PATH } )
check_cxx_source_compiles (
" i n t main ( ) { u n s i g n e d m V a l u e ; r e t u r n __sync_add_and_fetch ( &mValue, 1 ) ; } "
G C C _ A T O M I C _ B U I L T I N S _ F O U N D )
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endif ( CMAKE_COMPILER_IS_GNUCXX )
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if ( CMAKE_CXX_COMPILER_ID STREQUAL "Clang" )
set ( WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual" )
set ( WARNING_FLAGS_C "-Wall" )
endif ( )
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if ( WIN32 )
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if ( MINGW )
add_definitions ( -D_WIN32_WINNT=0x501 )
endif ( )
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if ( MSVC )
# turn off various warnings
# foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
# SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
# endforeach(warning)
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set ( MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996" )
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endif ( MSVC )
# assumed on Windows
set ( HAVE_GETLOCALTIME 1 )
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set ( WINSOCK_LIBRARY "ws2_32.lib" )
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set ( RT_LIBRARY "winmm" )
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endif ( WIN32 )
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set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}" )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}" )
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include_directories ( ${ PROJECT_SOURCE_DIR } )
include_directories ( ${ PROJECT_BINARY_DIR } /simgear )
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include_directories ( ${ PROJECT_BINARY_DIR } /simgear/xml )
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include_directories ( ${ OPENSCENEGRAPH_INCLUDE_DIRS }
$ { B o o s t _ I N C L U D E _ D I R S } $ { Z L I B _ I N C L U D E _ D I R }
$ { A L U T _ I N C L U D E _ D I R } $ { O P E N A L _ I N C L U D E _ D I R } )
add_definitions ( -DHAVE_CONFIG_H )
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add_definitions ( -DHAVE_EXPAT_CONFIG_H )
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# configure a header file to pass some of the CMake settings
# to the source code
configure_file (
" $ { P R O J E C T _ S O U R C E _ D I R } / s i m g e a r / s i m g e a r _ c o n f i g _ c m a k e . h . i n "
" $ { P R O J E C T _ B I N A R Y _ D I R } / s i m g e a r / s i m g e a r _ c o n f i g . h "
)
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configure_file (
" $ { P R O J E C T _ S O U R C E _ D I R } / s i m g e a r / x m l / e x p a t _ c o n f i g _ c m a k e . i n "
" $ { P R O J E C T _ B I N A R Y _ D I R } / s i m g e a r / x m l / e x p a t _ c o n f i g . h "
)
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if ( ENABLE_TESTS )
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# enable CTest / make test target
message ( STATUS "Tests: ENABLED" )
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include ( Dart )
enable_testing ( )
else ( )
message ( STATUS "Tests: DISABLED" )
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endif ( ENABLE_TESTS )
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install ( FILES ${ PROJECT_BINARY_DIR } /simgear/simgear_config.h DESTINATION include/simgear/ )
add_subdirectory ( simgear )
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#-----------------------------------------------------------------------------
### uninstall target
#-----------------------------------------------------------------------------
CONFIGURE_FILE (
" $ { C M A K E _ C U R R E N T _ S O U R C E _ D I R } / C M a k e M o d u l e s / c m a k e _ u n i n s t a l l . c m a k e . i n "
" $ { C M A K E _ C U R R E N T _ B I N A R Y _ D I R } / c m a k e _ u n i n s t a l l . c m a k e "
I M M E D I A T E @ O N L Y )
ADD_CUSTOM_TARGET ( uninstall
" $ { C M A K E _ C O M M A N D } " - P " $ { C M A K E _ C U R R E N T _ B I N A R Y _ D I R } / c m a k e _ u n i n s t a l l . c m a k e " )
