2023-10-30 06:33:08 +08:00
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# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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# This script writes its arguments to the file determined by OUT_FILE.
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# Each argument appears on a separate line.
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# This is used for writing the config.opt file.
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#
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# This script takes the following arguments:
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2023-11-02 01:02:52 +08:00
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# IN_FILE: The input file. The whole command line as one string, or one argument per line.
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# REDO_FILE: A file containing extra commands to be joined with IN_FILE.
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2023-10-30 06:33:08 +08:00
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# OUT_FILE: The output file. One argument per line.
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# SKIP_ARGS: Number of arguments to skip from the front of the arguments list.
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# IGNORE_ARGS: List of arguments to be ignored, i.e. that are not written.
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2023-11-02 01:02:52 +08:00
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#
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# If the REDO_FILE is given, its parameters will be merged with IN_FILE parameters
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# and be written into the OUT_FILE.
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2023-10-30 06:33:08 +08:00
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cmake_minimum_required(VERSION 3.16)
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# Read arguments from IN_FILE and separate them.
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file(READ "${IN_FILE}" raw_args)
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2023-11-02 01:02:52 +08:00
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# To catch cases where the path ends with an `\`, e.g., `-prefix "C:\Path\"`
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string(REPLACE "\\\"" "\"" raw_args "${raw_args}")
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string(REPLACE ";" "[[;]]" raw_args "${raw_args}")
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2023-10-30 06:33:08 +08:00
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separate_arguments(args NATIVE_COMMAND "${raw_args}")
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2023-11-02 01:02:52 +08:00
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string(REPLACE "\;" ";" args "${args}")
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string(REPLACE "[[;]]" "\;" args "${args}")
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if(DEFINED REDO_FILE)
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file(READ "${REDO_FILE}" raw_redo_args)
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separate_arguments(redo_args NATIVE_COMMAND "${raw_redo_args}")
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if(args)
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list(FIND args "--" args_ddash_loc)
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list(FIND redo_args "--" redo_ddash_loc)
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if("${redo_ddash_loc}" STREQUAL "-1")
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if("${args_ddash_loc}" STREQUAL "-1")
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list(LENGTH args args_ddash_loc)
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endif()
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# Avoid adding an empty line for an empty -redo
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if(NOT "${redo_args}" STREQUAL "")
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list(INSERT args ${args_ddash_loc} "${redo_args}")
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endif()
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else()
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# Handling redo's configure options
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list(SUBLIST redo_args 0 ${redo_ddash_loc} redo_config_args)
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if(redo_config_args)
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if("${args_ddash_loc}" STREQUAL "-1")
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list(APPEND args "${redo_config_args}")
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else()
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list(INSERT args ${args_ddash_loc} "${redo_config_args}")
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endif()
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endif()
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# Handling redo's CMake options
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list(LENGTH redo_args redo_args_len)
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math(EXPR redo_ddash_loc "${redo_ddash_loc} + 1")
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# Catch an unlikely case of -redo being called with an empty --, ie., `-redo --`
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if(NOT ${redo_ddash_loc} STREQUAL ${redo_args_len})
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list(SUBLIST redo_args ${redo_ddash_loc} -1 redo_cmake_args)
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endif()
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if(DEFINED redo_cmake_args)
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if("${args_ddash_loc}" STREQUAL "-1")
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list(APPEND args "--")
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endif()
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list(APPEND args "${redo_cmake_args}")
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endif()
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endif()
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else()
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list(APPEND args "${redo_args}")
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endif()
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endif()
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2023-10-30 06:33:08 +08:00
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# Skip arguments if requested
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if(DEFINED SKIP_ARGS)
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foreach(i RANGE 1 ${SKIP_ARGS})
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list(POP_FRONT args)
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endforeach()
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endif()
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# Write config.opt
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set(content "")
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foreach(arg IN LISTS args)
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if(NOT arg IN_LIST IGNORE_ARGS)
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string(APPEND content "${arg}\n")
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endif()
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endforeach()
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file(WRITE "${OUT_FILE}" "${content}")
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