Gabriele Cosmo
76 lines
3.4 KiB
CMake
76 lines
3.4 KiB
CMake
# Try and get modules output to config dependent site-packages
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# Can put all Python outputs under GEANT4_PYTHON_OUTPUT_DIR (and conf variants)
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# That's the baseline, packages however need to then adjust output path for
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# any substructure
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set(GEANT4_PYTHON_OUTPUT_DIR "$<TARGET_FILE_DIR:G4global>/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages")
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set(CMAKE_INSTALL_PYTHONDIR "${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages")
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if(NOT IS_ABSOLUTE "${CMAKE_INSTALL_PYTHONDIR}")
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set(CMAKE_INSTALL_FULL_PYTHONDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_PYTHONDIR}")
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else()
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set(CMAKE_INSTALL_FULL_PYTHONDIR "${CMAKE_INSTALL_PYTHONDIR}")
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endif()
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# Extension modules link to libraries so relative RPATH modules to libraries
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file(RELATIVE_PATH GEANT4_PYMODULE_RPATH
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"${CMAKE_INSTALL_FULL_PYTHONDIR}/Geant4"
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"${CMAKE_INSTALL_FULL_LIBDIR}")
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# Basic "add module" command to wrap common functionality
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# Should also help when migrating to pybind11 or FindPython builtins
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function(g4py_add_module target_name)
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add_library(${target_name} MODULE ${ARGN})
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# Python extension module naming
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set_property(TARGET ${target_name} PROPERTY PREFIX "")
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if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
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set_property(TARGET ${target_name} PROPERTY SUFFIX ".pyd")
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set_property(TARGET ${target_name} PROPERTY DEBUG_SUFFIX "_d")
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endif()
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# Adjust output location (may need adjustment on Windows)
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set_property(TARGET ${target_name} PROPERTY LIBRARY_OUTPUT_DIRECTORY "${GEANT4_PYTHON_OUTPUT_DIR}")
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foreach(_conftype ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER ${_conftype} _conftype_uppercase)
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set_property(TARGET ${target_name} PROPERTY LIBRARY_OUTPUT_DIRECTORY_${_conftype_uppercase} "${GEANT4_PYTHON_OUTPUT_DIR}")
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endforeach()
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# Force linkage to extension system, other deps to be linked by client
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# Use dynamic_lookup on Darwin to avoid direct linking to libpython (Linux has this as default,
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# to be checked for Windows)
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target_include_directories(${target_name} PRIVATE ${PYTHON_INCLUDE_DIRS})
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target_link_libraries(${target_name} PRIVATE Boost::python "$<$<PLATFORM_ID:Darwin>:-undefined dynamic_lookup>")
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endfunction()
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# Handle core Geant4 modules
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# Wraps g4py_add_module, because we have to avoid duplicate target names
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# (e.g. "G4global" for libG4global.dylib vs G4global.so)
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# It just manages the naming and output name/directory
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function(geant4_add_pymodule _name)
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if(NOT (_name MATCHES "^pyG4[a-zA-Z0-9_]+"))
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message(FATAL_ERROR "Invalid Geant4 Python module name '${_name}'. Names must begin with 'pyG4'")
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endif()
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set(_module_target "${_name}")
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string(REGEX REPLACE "^py" "" _module_lib "${_module_target}")
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g4py_add_module(${_module_target} ${ARGN})
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set_property(TARGET ${_module_target} PROPERTY OUTPUT_NAME "${_module_lib}")
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set_property(TARGET ${_module_target} APPEND_STRING PROPERTY LIBRARY_OUTPUT_DIRECTORY "/Geant4")
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foreach(_conftype ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER ${_conftype} _conftype_uppercase)
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set_property(TARGET ${_module_target} APPEND_STRING PROPERTY LIBRARY_OUTPUT_DIRECTORY_${_conftype_uppercase} "/Geant4")
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endforeach()
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if(UNIX AND NOT APPLE)
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set_property(TARGET ${_module_target} PROPERTY
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INSTALL_RPATH "\$ORIGIN/${GEANT4_PYMODULE_RPATH}")
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elseif(APPLE)
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set_property(TARGET ${_module_target} PROPERTY
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INSTALL_RPATH "@loader_path/${GEANT4_PYMODULE_RPATH}")
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endif()
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endfunction()
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