IF(WIN32) CMAKE_MINIMUM_REQUIRED(VERSION 2.4.6 FATAL_ERROR) ELSE(WIN32) IF(APPLE) CMAKE_MINIMUM_REQUIRED(VERSION 2.4.6 FATAL_ERROR) IF(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4 AND ${CMAKE_PATCH_VERSION} LESS 7) MESSAGE("Warning: A critical CMake bug exists in 2.4.6 and below. Trying to build Universal Binaries will result in a compile error that seems unrelated. Either avoid building Universal Binaries by changing the CMAKE_OSX_ARCHITECTURES field to list only your architecture, or upgrade to the current CVS version of CMake or a newer stable version if it exists.") ENDIF(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4 AND ${CMAKE_PATCH_VERSION} LESS 7) ELSE(APPLE) CMAKE_MINIMUM_REQUIRED(VERSION 2.4.0 FATAL_ERROR) ENDIF(APPLE) ENDIF(WIN32) PROJECT(OpenSceneGraph) # We have some custom .cmake scripts not in the official distribution. # Maybe this can be used override existing behavior if needed? SET(CMAKE_MODULE_PATH "${OpenSceneGraph_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}") # Mainly for Windows as a convenience. This will find a directory in parallel with the # OSG source that contains 3rd party headers and libraries. # Use of relative paths in CMake is ill-advised, but don't know of any alternatives in this case #SET(CMAKE_INCLUDE_PATH "${OpenSceneGraph_SOURCE_DIR}/../3rdParty/include;${CMAKE_INCLUDE_PATH}") #SET(CMAKE_LIBRARY_PATH "${OpenSceneGraph_SOURCE_DIR}/../3rdParty/lib;${CMAKE_LIBRARY_PATH}") IF(USING_OSG_OP_OT_TRIPLE_SET) SET(CMAKE_INCLUDE_PATH "${OpenSceneGraph_SOURCE_DIR}/../../3rdParty/include;${CMAKE_INCLUDE_PATH}") SET(CMAKE_LIBRARY_PATH "${OpenSceneGraph_SOURCE_DIR}/../../3rdParty/lib;${CMAKE_LIBRARY_PATH}") ENDIF(USING_OSG_OP_OT_TRIPLE_SET) # FIXME: The FindOpenThreads stuff below is not quite correct. # The problem is that if we are building OpenSceneGraph by itself # (not part of the triple-set OT/OP/OSG source), then we need to hunt # down the OpenThreads library on the system. # But if we are building as part of the triple-set, then we want to # refer to the version in the triple set. But this gets harder because # FIND_LIBRARY will fail to pick the triple set version in this case # because the library is not yet built when running this CMake script. # # Maybe we need a global flag (set in the root CMakeLists.txt) # that tells us which scenario we are doing. # And in the triple set case, we skip this check. IF(USING_OSG_OP_OT_TRIPLE_SET) # MESSAGE("OSG: Using TripleSet, ${OpenThreads_SOURCE_DIR}.") # So I think the fall-out is that all the OpenThreads variables # that have been set are still in play. So the include paths are still # visible, and the library is still set. # To keep the same code paths SET(OPENTHREADS_LIBRARY OpenThreads) SET(OPENTHREADS_INCLUDE_DIR ${OpenThreads_SOURCE_DIR}/include) # MESSAGE("Lib: ${OPENTHREADS_LIBRARY}") ELSE(USING_OSG_OP_OT_TRIPLE_SET) # MESSAGE("OSG: Not using Triple Set") FIND_PACKAGE(OpenThreads REQUIRED) ENDIF(USING_OSG_OP_OT_TRIPLE_SET) # Okay, here's the problem: On some platforms, linking against OpenThreads # is not enough and explicit linking to the underlying thread library # is also required (e.g. FreeBSD). But OpenThreads may be built with different # backends (Pthreads, Sproc, Windows) so we don't know what the underlying # thread library is because some platforms support multiple backends (e.g. # IRIX supports Sproc and Pthreads). Linking all libraries won't work # because the libraries may be incompatible. # So the current solution is to attempt best guess linking and exempt certain # cases. With IRIX, we're going to hope explicit linking to the underlying # library is not necessary. We currently don't case for pthreads on Windows # which might be an issue on things like Cygwin. This may need to be fixed. FIND_PACKAGE(Threads) IF(CMAKE_SYSTEM MATCHES IRIX) # Erase CMAKE_THREAD_LIBS_INIT and hope it works SET(CMAKE_THREAD_LIBS_INIT "" CACHE INTERNAL "") ENDIF(CMAKE_SYSTEM MATCHES IRIX) # Find OpenGL FIND_PACKAGE(OpenGL) IF(APPLE) FIND_LIBRARY(CARBON_LIBRARY Carbon) FIND_LIBRARY(COCOA_LIBRARY Cocoa) ENDIF(APPLE) IF(UNIX) # Not sure what this will do on Cygwin and Msys # Also, remember OS X X11 is a user installed option so it may not exist. FIND_PACKAGE(X11) # Some Unicies need explicit linkage to the Math library or the build fails. FIND_LIBRARY(MATH_LIBRARY m) ENDIF(UNIX) # Make the headers visible to everything INCLUDE_DIRECTORIES( ${OpenSceneGraph_SOURCE_DIR}/include ${OPENTHREADS_INCLUDE_DIR} ${OPENGL_INCLUDE_DIR} ) # Common global definitions #ADD_DEFINITIONS(-D) # Platform specific definitions IF(WIN32) #needed for net plugin SET (OSG_SOCKET_LIBS wsock32.lib) # Both Cygwin and Msys need -DNOMINMAX ??? IF(UNIX) ADD_DEFINITIONS(-DNOMINMAX) ENDIF(UNIX) ENDIF(WIN32) ######################################################################################################## ##### these were settings located in SetupCommon.cmake used in Luigi builds.... find out what are useful ######################################################################################################## #luigi#SET(CMAKE_VERBOSE_MAKEFILE TRUE) #luigi#SET(CMAKE_SKIP_RPATH TRUE) #luigi#SET(CMAKE_SKIP_RULE_DEPENDENCY TRUE) #luigi#IF(UNIX) #luigi# LIST_CONTAINS(contains "g++" ${CMAKE_CXX_COMPILER_LIST}) #luigi# IF (contains) #luigi# MESSAGE(${MY_MESSAGE_DEFAULT} "${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} setting CMAKE_CXX_COMPILER to g++") #luigi# SET(CMAKE_CXX_COMPILER "g++") #luigi# SET(CMAKE_CXX_COMPILER_LOADED 2) #luigi# SET(CMAKE_CXX_COMPILER_WORKS 2) #luigi# ENDIF (contains) #luigi# SET(CMAKE_CXX_FLAGS_RELEASE "-O2") #luigi# SET(CMAKE_CXX_FLAGS_DEBUG "-ggdb -gstabs") #luigi#ENDIF(UNIX) ######################################################################################################## ################################################################################ # 3rd Party Dependency Stuff IF(WIN32) INCLUDE(Find3rdPartyDependencies) ENDIF(WIN32) # Common to all platforms: FIND_PACKAGE(FreeType) FIND_PACKAGE(FLTK) FIND_PACKAGE(GLUT) FIND_PACKAGE(SDL) FIND_PACKAGE(Inventor) FIND_PACKAGE(Qt3) FIND_PACKAGE(Qt4) # Platform specific: # (We can approach this one of two ways. We can try to FIND everything # and simply check if we found the packages before actually building # or we can hardcode the cases. The advantage of the former is that # packages that are installed on platforms that don't require them # will still get built (presuming no compatibility issues). But this # also means modules that are redundant may get built. For example, # OS X doesn't need GIF, JPEG, PNG, TIFF, etc because it uses QuickTime. # Also, it will clutter the CMake menu with "NOT_FOUND". # The downside to the latter is that it is harder to build those # potentially redundant modules.) # Image readers/writers depend on 3rd party libraries except for OS X which # can use Quicktime. IF(NOT APPLE) FIND_PACKAGE(GIFLIB) FIND_PACKAGE(JPEG) FIND_PACKAGE(PNG) FIND_PACKAGE(TIFF) # QuickTime is required for OS X, but optional for Windows. IF(WIN32) FIND_PACKAGE(QuickTime) ENDIF(WIN32) ELSE(NOT APPLE) FIND_PACKAGE(QuickTime) ENDIF(NOT APPLE) ################################################################################ # Create bin and lib directories if required IF("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}") FILE(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/bin ${CMAKE_BINARY_DIR}/lib ${CMAKE_BINARY_DIR}/lib/osgPlugins) ENDIF("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}") ################################################################################ # Installation stuff SET(CMAKE_DEBUG_POSTFIX "d") SET(LIB_POSTFIX "") IF(UNIX AND NOT WIN32 AND NOT APPLE) IF(CMAKE_SIZEOF_VOID_P MATCHES "8") SET(LIB_POSTFIX "64") ENDIF(CMAKE_SIZEOF_VOID_P MATCHES "8") ENDIF(UNIX AND NOT WIN32 AND NOT APPLE) #SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin/${CMAKE_SYSTEM_NAME}) SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin) MAKE_DIRECTORY(${OUTPUT_BINDIR}) SET(EXECUTABLE_OUTPUT_PATH ${OUTPUT_BINDIR}) #SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib/${CMAKE_SYSTEM_NAME}) SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib) MAKE_DIRECTORY(${OUTPUT_LIBDIR}) MAKE_DIRECTORY(${OUTPUT_LIBDIR}/osgPlugins) SET(LIBRARY_OUTPUT_PATH ${OUTPUT_LIBDIR}) #SET(INSTALL_BINDIR OpenSceneGraph/bin) #SET(INSTALL_INCDIR OpenSceneGraph/include) #SET(INSTALL_LIBDIR OpenSceneGraph/lib) #SET(INSTALL_DOCDIR OpenSceneGraph/doc) ################################################################################ # User Options # Dynamic vs Static Linking OPTION(DYNAMIC_OPENSCENEGRAPH "Set to ON to build OpenSceneGraph for dynamic linking. Use OFF for static." ON) IF (DYNAMIC_OPENSCENEGRAPH) SET(OPENSCENEGRAPH_USER_DEFINED_DYNAMIC_OR_STATIC "SHARED") ELSE (DYNAMIC_OPENSCENEGRAPH) SET(OPENSCENEGRAPH_USER_DEFINED_DYNAMIC_OR_STATIC "STATIC") ENDIF(DYNAMIC_OPENSCENEGRAPH) INCLUDE(OsgMacroUtils) # OSG Core ADD_SUBDIRECTORY(src) # OSG Applications OPTION(BUILD_OSG_APPLICATIONS "Enable to build OSG Applications (e.g. osgviewer)" ON) IF (BUILD_OSG_APPLICATIONS) ADD_SUBDIRECTORY(applications) ENDIF(BUILD_OSG_APPLICATIONS) # OSG Examples OPTION(BUILD_OSG_EXAMPLES "Enable to build OSG Examples" OFF) IF (BUILD_OSG_EXAMPLES) ADD_SUBDIRECTORY(examples) ENDIF(BUILD_OSG_EXAMPLES) # This is for an advanced option to give aggressive warnings # under different compilers. If yours is not implemented, this option # will not be made available. IF(CMAKE_COMPILER_IS_GNUCXX) # To be complete, we might also do GNUCC flags, # but everything here is C++ code. # -Wshadow and -Woverloaded-virtual are also interesting flags, but OSG # returns too many hits. # FYI, if we do implement GNUCC, then -Wmissing-prototypes in another # interesting C-specific flag. # Also, there is a bug in gcc 4.0. Under C++, -pedantic will create # errors instead of warnings for certain issues, including superfluous # semicolons and commas, and the use of long long. -fpermissive seems # to be the workaround. SET(OSG_AGGRESSIVE_WARNING_FLAGS "-Wall -Wparentheses -Wformat=2 -Wno-long-long -Wno-import -pedantic -Wnewline-eof -Wreturn-type -Wmissing-braces -Wunknown-pragmas -Wunused -fpermissive") ELSE(CMAKE_COMPILER_IS_GNUCXX) IF(MSVC) # FIXME: What are good aggressive warning flags for Visual Studio? # And do we need to further subcase this for different versions of VS? # CMake variables: MSVC60, MSVC70, MSVC71, MSVC80, CMAKE_COMPILER_2005 SET(OSG_AGGRESSIVE_WARNING_FLAGS "/Wall /W4") ELSE(MSVC) # CMake lacks an elseif, so other non-gcc, non-VS compilers need # to be listed below. If unhandled, OSG_AGGRESSIVE_WARNING_FLAGS should # remain unset. ENDIF(MSVC) ENDIF(CMAKE_COMPILER_IS_GNUCXX) # This part is for the CMake menu option to toggle the warnings on/off. # This will only be made available if we set values for OSG_AGGRESSIVE_WARNING_FLAGS. IF(OSG_AGGRESSIVE_WARNING_FLAGS) OPTION(OSG_USE_AGGRESSIVE_WARNINGS "Enable to activate aggressive warnings" OFF) MARK_AS_ADVANCED(OSG_USE_AGGRESSIVE_WARNINGS) IF(OSG_USE_AGGRESSIVE_WARNINGS) IF(NOT "${OLD_CMAKE_CXX_FLAGS_WAS_SET}") SET(OLD_CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE INTERNAL "Old CXX flags") SET(OLD_CMAKE_CXX_FLAGS_WAS_SET 1 CACHE INTERNAL "Old CXX flags was set") SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OSG_AGGRESSIVE_WARNING_FLAGS}" CACHE STRING "Flags used by the compiler during all build types." FORCE) ENDIF(NOT "${OLD_CMAKE_CXX_FLAGS_WAS_SET}") ELSE(OSG_USE_AGGRESSIVE_WARNINGS) # FIXME: This will lose any changes made after OLD_CMAKE_CXX_FLAGS was # set. The better way would be to parse the string and remove each # option explicitly. IF("${OLD_CMAKE_CXX_FLAGS_WAS_SET}") SET(CMAKE_CXX_FLAGS "${OLD_CMAKE_CXX_FLAGS}" CACHE STRING "Flags used by the compiler during all build types." FORCE) SET(OLD_CMAKE_CXX_FLAGS_WAS_SET 0 CACHE INTERNAL "Old CXX flags was set") ENDIF("${OLD_CMAKE_CXX_FLAGS_WAS_SET}") ENDIF(OSG_USE_AGGRESSIVE_WARNINGS) ENDIF(OSG_AGGRESSIVE_WARNING_FLAGS) # Set defaults for Universal Binaries. We want 32-bit Intel/PPC on 10.4 # and 32/64-bit Intel/PPC on >= 10.5. Anything <= 10.3 doesn't support. IF(APPLE) # These are just defaults/recommendations, but how we want to build # out of the box. But the user needs to be able to change these options. # So we must only set the values the first time CMake is run, or we # will overwrite any changes the user sets. # FORCE is used because the options are not reflected in the UI otherwise. # Seems like a good place to add version specific compiler flags too. IF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE) # This is really fragile, but CMake doesn't provide the OS system # version information we need. (Darwin versions can be changed # independently of OS X versions.) # It does look like CMake handles the CMAKE_OSX_SYSROOT automatically. IF(EXISTS /Developer/SDKs/10.5.sdk) SET(CMAKE_OSX_ARCHITECTURES "ppc;i386;ppc64;x86_64" CACHE STRING "Build architectures for OSX" FORCE) SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.5 -ftree-vectorize -fvisibility-inlines-hidden" CACHE STRING "Flags used by the compiler during all build types." FORCE) ELSE(EXISTS /Developer/SDKs/10.5.sdk) IF(EXISTS /Developer/SDKs/MacOSX10.4u.sdk) SET(CMAKE_OSX_ARCHITECTURES "ppc;i386" CACHE STRING "Build architectures for OSX" FORCE) SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.4 -ftree-vectorize -fvisibility-inlines-hidden" CACHE STRING "Flags used by the compiler during all build types." FORCE) ELSE(EXISTS /Developer/SDKs/MacOSX10.4u.sdk) # No Universal Binary support # Should break down further to set the -mmacosx-version-min, # but the SDK detection is too unreliable here. ENDIF(EXISTS /Developer/SDKs/MacOSX10.4u.sdk) ENDIF(EXISTS /Developer/SDKs/10.5.sdk) ENDIF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE) ENDIF(APPLE) # For Doxygen #FIXME: I haven't figured out what to do with OSG's multiple doxyfiles # and footer. INCLUDE(${CMAKE_ROOT}/Modules/Documentation.cmake OPTIONAL) # To build the documention, you will have to enable it # and then do the equivalent of "make DoxygenDoc". IF(BUILD_DOCUMENTATION) IF(DOT) SET(HAVE_DOT YES) ELSE(DOT) SET(HAVE_DOT NO) ENDIF(DOT) # This processes our Doxyfile.in and substitutes paths to generate # a final Doxyfile CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/doxyfile.cmake ${PROJECT_BINARY_DIR}/doc/doxyfile ) # This creates a new target to build documentation. # It runs ${DOXYGEN} which is the full path and executable to # Doxygen on your system, set by the FindDoxygen.cmake module # (called by FindDocumentation.cmake). # It runs the final generated Doxyfile against it. # The DOT_PATH is substituted into the Doxyfile. ADD_CUSTOM_TARGET(DoxygenDoc ${DOXYGEN} ${PROJECT_BINARY_DIR}/docs/doxyfile ) ENDIF(BUILD_DOCUMENTATION) # This needs to be run very last so other parts of the scripts can take # advantage of this. IF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE) SET(OSG_CONFIG_HAS_BEEN_RUN_BEFORE 1 CACHE INTERNAL "Flag to track whether this is the first time running CMake or if CMake has been configured before") ENDIF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)