Gabriele Cosmo
196 lines
8.0 KiB
CMake
196 lines
8.0 KiB
CMake
# - Setup of general build options for Geant4 Libraries
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#
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# In addition to the core compiler/linker flags (configured in the MakeRules
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# files) for Geant4, its core build can be further configured.
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# This configuration is done in this file and includes:
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#
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# 1) Extra build modes for developers
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# 2) Additional compile definitions to assist visualization or optimize
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# performance.
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# 3) Whether to build shared and/or static libraries
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# 4) Whether to build libraries in global or granular format.
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#
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#
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#------------------------------------------------------------------------------
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# Set up Build types or configurations
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# If further tuning of compiler flags is needed then it should be done here.
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# (It can't be done in the make rules override section).
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# However, exercise care when doing this not to override existing flags!!
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# We don't do this on WIN32 platforms yet because of some teething issues
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# with compiler specifics and linker flags
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if(NOT WIN32)
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include(Geant4BuildModes)
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endif(NOT WIN32)
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#----------------------------------------------------------------------------
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# Optional define flags which are applicable globally
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#
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# - G4_STORE_TRAJECTORY
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# ON by default, switching off can improve performance. Needs to be on
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# for visualization to work fully. Mark as advanced because most users
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# should not need to worry about it.
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# FIXES : Bug #1208
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option(GEANT4_BUILD_STORE_TRAJECTORY "Store trajectories in event processing.
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Switch off for improved performance but note that visualization of trajectories will not be possible" ON)
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mark_as_advanced(GEANT4_BUILD_STORE_TRAJECTORY)
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if(GEANT4_BUILD_STORE_TRAJECTORY)
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add_definitions(-DG4_STORE_TRAJECTORY)
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endif()
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# - G4VERBOSE
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# ON by default, switching off can improve performance, but at the cost of
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# fewer informational or warning messages. Mark as advanced because most users
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# should not need to worry about it.
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option(GEANT4_BUILD_VERBOSE_CODE
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"Enable verbose output from Geant4 code. Switch off for better performance at the cost of fewer informational messages or warnings"
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ON)
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mark_as_advanced(GEANT4_BUILD_VERBOSE_CODE)
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if(GEANT4_BUILD_VERBOSE_CODE)
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add_definitions(-DG4VERBOSE)
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endif()
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#----------------------------------------------------------------------------
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# Setup Library Format Option.
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# Libraries can be built in one of two 'formats':
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# global : One library per category.
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# granular : One library per module.
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#
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# This division does not always apply because some libraries are the same
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# in both 'formats', e.g. G4materials or G4OpenGL.
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# Global libraries are built by default, but we provide an option to switch to
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# granular format. Granular format is only intended for developers, so we
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# mark this option as advanced and warn the user.
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# REMOVED IN 9.5 RELEASE
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#option(GEANT4_BUILD_GRANULAR_LIBS "Build Geant4 with granular libraries" OFF)
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#mark_as_advanced(GEANT4_BUILD_GRANULAR_LIBS)
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#GEANT4_ADD_FEATURE(GEANT4_BUILD_GRANULAR_LIBS "Build granular Geant4 libraries")
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# Still warn, because the variable can still be set from the command line!
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if(GEANT4_BUILD_GRANULAR_LIBS)
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message(WARNING " Granular libraries are only intended for developers!")
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endif()
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#----------------------------------------------------------------------------
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# Setup Shared and/or Static Library builds
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# We name these options without a 'GEANT4_' prefix because they are really
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# higher level CMake options.
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# Default to building shared libraries, mark options as advanced because
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# most user should not have to touch them.
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option(BUILD_SHARED_LIBS "Build Geant4 shared libraries" ON)
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option(BUILD_STATIC_LIBS "Build Geant4 static libraries" OFF)
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mark_as_advanced(BUILD_SHARED_LIBS BUILD_STATIC_LIBS)
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# Because both could be switched off accidently, FATAL_ERROR if neither
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# option has been selected.
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if(NOT BUILD_STATIC_LIBS AND NOT BUILD_SHARED_LIBS)
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message(FATAL_ERROR "Neither static nor shared libraries will be built")
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endif()
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# On MSVC, warn if both shared and static are built - this has duplicate
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# symbol issues on VS2010 Express.
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# TODO: Resolve and understand this issue...
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if(MSVC)
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if(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
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message(WARNING " Building shared AND static libraries on VS2010 may result in link errors.
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You are welcome to try building both, but please be aware of this warning.
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Problems can be reported to the Geant4 Bugzilla system:
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http://bugzilla-geant4.kek.jp
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")
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endif()
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endif()
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#----------------------------------------------------------------------------
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# Setup symbol visibility (library interface)
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# We need to define that we're building Geant4
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#
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#----------------------------------------------------------------------------
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# Build options for building examples and tests
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option(GEANT4_BUILD_EXAMPLES "Build all the examples of the project" OFF)
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GEANT4_ADD_FEATURE(GEANT4_BUILD_EXAMPLES "Build all the examples of the project")
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mark_as_advanced(GEANT4_BUILD_EXAMPLES)
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option(GEANT4_ENABLE_TESTING "Enable and define all the tests of the project" OFF)
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GEANT4_ADD_FEATURE(GEANT4_ENABLE_TESTING "Enable and define all the tests of the project")
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mark_as_advanced(GEANT4_ENABLE_TESTING)
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# On WIN32, we need to build the genwindef application to create export
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# def files for building DLLs.
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# We only use it as a helper application at the moment so we exclude it from
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# the ALL target.
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# TODO: We could move this section into the Geant4MacroLibraryTargets.cmake
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# if it can be protected so that the genwindef target wouldn't be defined
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# more than once... Put it here for now...
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if(WIN32)
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add_definitions(-DG4LIB_BUILD_DLL)
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# Assume the sources are co-located
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get_filename_component(_genwindef_src_dir ${CMAKE_CURRENT_LIST_FILE} PATH)
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add_executable(genwindef EXCLUDE_FROM_ALL
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${_genwindef_src_dir}/genwindef/genwindef.cpp
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${_genwindef_src_dir}/genwindef/LibSymbolInfo.h
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${_genwindef_src_dir}/genwindef/LibSymbolInfo.cpp)
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endif()
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#----------------------------------------------------------------------------
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# Setup Locations for Build Outputs
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# Because of the highly nested structure of Geant4, targets will be distributed
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# throughout this tree, potentially making usage and debugging difficult
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# (especially if developers use non-CMake tools).
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# We therefore set the output directory of runtime, library and archive
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# targets to some low level directories under the build tree.
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# On Unices, we try to make the output directory backward compatible
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# with the old style 'SYSTEM-COMPILER' format so that applications may be
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# built against the targets in the build tree.
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# Note that for multi-configuration generators like VS and Xcode, these
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# directories will have the configuration type (e.g. Debug) appended to them,
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# so are not backward compatible with the old Make toolchain in these cases.
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#
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# Also, we only do this on UNIX because we want to avoid mixing static and
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# dynamic libraries on windows until the differences are better understood.
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#------------------------------------------------------------------------------
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# Determine the backward compatible system name
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#
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if(NOT WIN32)
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set(GEANT4_SYSTEM ${CMAKE_SYSTEM_NAME})
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else()
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set(GEANT4_SYSTEM "WIN32")
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endif()
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#------------------------------------------------------------------------------
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# Determine the backward compatible compiler name
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#
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(GEANT4_COMPILER "g++")
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elseif(MSVC)
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set(GEANT4_COMPILER "VC")
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elseif(CMAKE_CXX_COMPILER MATCHES "icpc.*")
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set(GEANT4_COMPILER "icc")
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else()
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set(GEANT4_COMPILER "UNSUPPORTED")
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endif()
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#----------------------------------------------------------------------------
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# Set the output paths to be backward compatible on UNIX
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if(NOT UNIX)
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/outputs/runtime)
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/outputs/library)
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/outputs/archive)
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else()
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/outputs/runtime)
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY
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${PROJECT_BINARY_DIR}/outputs/library/${GEANT4_SYSTEM}-${GEANT4_COMPILER})
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
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endif()
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