Gabriele Cosmo
152 lines
4.8 KiB
CMake
152 lines
4.8 KiB
CMake
# - Setup core required and optional components of Geant4
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#
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# Here we provide options to enable and configure required and optional
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# components, which may require third party libraries.
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#
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# We don't configure User Interface options here because these require
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# a higher degree of configuration so to keep things neat these have their
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# own Module.
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#
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# Options configured here:
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# CLHEP - Control use of internal G4clhep, or locate external CLHEP
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# EXPAT - Control use of internal G4expat, or locate external EXPAT.
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# ZLIB - Control use of internal G4zlib, or locate external ZLIB
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# (NOTIMPLEMENTEDYET - always uses internal zlib)
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# GDML - Requires external XercesC
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# G3TOG4 - UNIX only, requires fortran compiler
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#----------------------------------------------------------------------------
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# Find required CLHEP package
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# We prefer to use our internal CLHEP library, but provide an option
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# to allow an external CLHEP to be used should the user require this.
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# We also allow that it can be automatically enabled by providing
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# the CLHEP_ROOT_DIR option (which FindCLHEP will recognize)
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#
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# KNOWNISSUE : For internal CLHEP, how to deal with static and shared?
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if(CLHEP_ROOT_DIR)
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set(_default_use_system_clhep ON)
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else()
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set(_default_use_system_clhep OFF)
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endif()
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option(GEANT4_USE_SYSTEM_CLHEP
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"Use external CLHEP library"
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${_default_use_system_clhep}
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)
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if(GEANT4_USE_SYSTEM_CLHEP)
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# We keep this as required, because if the user chooses to use a
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# system option we assume that we absolutely, positively require this.
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find_package(CLHEP 2.1.0.1 REQUIRED)
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set(GEANT4_USE_SYSTEM_CLHEP TRUE)
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else()
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set(CLHEP_FOUND TRUE)
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set(CLHEP_INCLUDE_DIRS
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"${PROJECT_SOURCE_DIR}/source/externals/clhep/include")
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if(BUILD_SHARED_LIBS)
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set(CLHEP_LIBRARIES G4clhep)
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else()
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set(CLHEP_LIBRARIES G4clhep-static)
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endif()
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endif()
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GEANT4_ADD_FEATURE(GEANT4_USE_SYSTEM_CLHEP "Using external install of CLHEP")
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#------------------------------------------------------------------------------
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# Find required EXPAT package
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# We always use the internal G4expat on WIN32, on all other systems we prefer
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# system install of expat, unless we can't find it. In that case, we fall
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# back to the internal G4expat
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# If we use the internal G4expat, fix the EXPAT_XXX variables to point to the
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# internal location of expat headers and library target so Geant4 clients of
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# expat have a consistent interface.
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#
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# KNOWNISSUE : For internal expat, how to deal with static and shared?
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if(WIN32)
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set(EXPAT_FOUND TRUE)
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set(EXPAT_INCLUDE_DIRS ${PROJECT_SOURCE_DIR}/source/externals/expat/include)
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set(EXPAT_LIBRARIES G4expat)
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else()
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find_package(EXPAT)
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if(EXPAT_FOUND)
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set(GEANT4_USE_SYSTEM_EXPAT TRUE)
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else()
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set(EXPAT_FOUND TRUE)
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set(EXPAT_INCLUDE_DIRS ${PROJECT_SOURCE_DIR}/source/externals/expat/include)
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if(BUILD_SHARED_LIBS)
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set(EXPAT_LIBRARIES G4expat)
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else()
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set(EXPAT_LIBRARIES G4expat-static)
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endif()
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endif()
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endif()
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GEANT4_ADD_FEATURE(GEANT4_USE_SYSTEM_EXPAT "Using system install of EXPAT")
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#------------------------------------------------------------------------------
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# Find required ZLIB package
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# For now, we always use the internal Geant4 zlib...
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#
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#option(GEANT4_USE_SYSTEM_ZLIB "Use the system's zlib library" OFF)
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if(GEANT4_USE_SYSTEM_ZLIB)
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# This needs more work - use ITK's way of doing it as an example.
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find_package(ZLIB)
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endif(GEANT4_USE_SYSTEM_ZLIB)
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GEANT4_ADD_FEATURE(GEANT4_USE_SYSTEM_ZLIB "Use system zlib library")
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#----------------------------------------------------------------------------
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# Optional Support for GDML - requires Xerces-C package
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#
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if(XERCESC_ROOT_DIR)
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set(_default_use_gdml ON)
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else()
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set(_default_use_gdml OFF)
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endif()
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option(GEANT4_USE_GDML
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"Build Geant4 with GDML support"
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${_default_use_gdml}
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)
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if(GEANT4_USE_GDML)
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find_package(XercesC REQUIRED)
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endif(GEANT4_USE_GDML)
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GEANT4_ADD_FEATURE(GEANT4_USE_GDML "Build Geant4 with GDML support")
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#----------------------------------------------------------------------------
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# Optional support for G3TOG4 convertion interface.
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# We do not build the rztog4 application.
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# -- OLDER NOTES --
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# The G3toG4 *library* should always be built, but the rztog4 application
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# requires a Fortran compiler AND CERNLIB, so is optional.
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# Only on *NIX because converter requires CERNLIB, and Windows support for
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# this is an unknown quantity at present (can always change later).
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# -- OLDER NOTES --
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#
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if(UNIX)
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option(GEANT4_USE_G3TOG4 "Build the rztog4 application for converting Geant3 geometries to Geant4" OFF)
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#if(GEANT4_USE_G3TOG4)
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#enable_language(Fortran)
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#find_package(CERNLIB REQUIRED)
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#endif(GEANT4_USE_G3TOG4)
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GEANT4_ADD_FEATURE(GEANT4_USE_G3TOG4 "Build the rztog4 application")
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endif()
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