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81 lines
3.1 KiB
CMake
81 lines
3.1 KiB
CMake
#!-------------------------------------------------------------------------------------------------!
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#! CP2K: A general program to perform molecular dynamics simulations !
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#! Copyright 2000-2026 CP2K developers group <https://cp2k.org> !
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#! !
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#! SPDX-License-Identifier: GPL-2.0-or-later !
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#!-------------------------------------------------------------------------------------------------!
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if(NOT TARGET fypp)
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add_custom_target(fypp) # common target for all fypp calls
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endif()
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# Use a system-provided fypp if available, otherwise the bundled one
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find_program(
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FYPP_EXECUTABLE fypp
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DOC "The FYPP preprocessor"
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PATHS ../tools/build_utils)
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if(NOT FYPP_EXECUTABLE)
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message(FATAL_ERROR "Failed to find the FYPP preprocessor.")
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else()
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message(STATUS "FYPP preprocessor found.")
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endif()
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# https://gitlab.kitware.com/cmake/cmake/issues/18188
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if((CMAKE_Fortran_COMPILER_ID STREQUAL "GNU") AND (CMAKE_VERSION
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VERSION_GREATER_EQUAL 3.16))
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set(fypp_flags --line-numbering --line-marker-format=gfortran5)
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endif()
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function(ADD_FYPP_SOURCES OUTVAR)
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set(outfiles)
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foreach(f ${ARGN})
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# first we might need to make the input file absolute
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get_filename_component(f "${f}" ABSOLUTE)
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get_filename_component(ext "${f}" EXT)
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# get the relative path of the file to the current source dir
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file(RELATIVE_PATH rf "${CMAKE_CURRENT_SOURCE_DIR}" "${f}")
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# set the output filename of fypped sources
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set(of "${CMAKE_CURRENT_BINARY_DIR}/${rf}")
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# create the output directory if it doesn't exist
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get_filename_component(d "${of}" PATH)
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if(NOT IS_DIRECTORY "${d}")
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file(MAKE_DIRECTORY "${d}")
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endif()
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if("${f}" MATCHES ".F$")
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# append the output file to the list of outputs
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list(APPEND outfiles "${of}")
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# now add the custom command to generate the output file
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add_custom_command(
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OUTPUT "${of}"
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COMMAND ${Python_EXECUTABLE} ${FYPP_EXECUTABLE} ARGS ${fypp_flags}
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"${f}" "${of}"
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MAIN_DEPENDENCY "${f}"
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VERBATIM)
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elseif("${f}" MATCHES ".h$")
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# append the output file to the list of outputs
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list(APPEND outfiles "${of}")
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# now add the custom command to generate the output file
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add_custom_command(
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OUTPUT "${of}"
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COMMAND ${Python_EXECUTABLE} ${FYPP_EXECUTABLE} ARGS "-F" "${f}" "${of}"
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DEPENDS "${f}")
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else()
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configure_file("${f}" "${of}" COPYONLY)
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endif()
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endforeach()
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# build a custom target to fypp seperately (required for example by the doc
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# target) cmake 3.27.5 seems to have issues with these two next commands. I do
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# not use the fypp target anyway
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# add_custom_target("fypp_${OUTVAR}" DEPENDS ${outfiles})
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# add_dependencies(fypp "fypp_${OUTVAR}")
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# set the output list in the calling scope
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set(${OUTVAR}
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${outfiles}
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PARENT_SCOPE)
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endfunction()
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