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40 lines
1.7 KiB
40 lines
1.7 KiB
# SPDX-License-Identifier: Apache-2.0 |
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# |
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# Copyright (c) 2022, Nordic Semiconductor ASA |
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# Setup basic settings for a Zephyr project. |
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# |
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# Basic settings are: |
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# - sysbuild defined configuration settings |
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# |
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# Details for sysbuild settings: |
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# |
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# Sysbuild is a higher level build system used by Zephyr. |
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# Sysbuild allows users to build multiple samples for a given system. |
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# |
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# For this to work, sysbuild manages other Zephyr CMake build systems by setting |
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# dedicated build variables. |
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# This CMake modules loads the sysbuild cache variables as target properties on |
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# a sysbuild_cache target. |
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# |
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# This ensures that qoutes and lists are correctly preserved. |
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include_guard(GLOBAL) |
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if(SYSBUILD) |
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add_custom_target(sysbuild_cache) |
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file(STRINGS "${SYSBUILD_CACHE}" sysbuild_cache_strings ENCODING UTF-8) |
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foreach(str ${sysbuild_cache_strings}) |
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# Using a regex for matching whole 'VAR_NAME:TYPE=VALUE' will strip semi-colons |
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# thus resulting in lists to become strings. |
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# Therefore we first fetch VAR_NAME and TYPE, and afterwards extract |
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# remaining of string into a value that populates the property. |
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# This method ensures that both quoted values and ;-separated list stays intact. |
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string(REGEX MATCH "([^:]*):([^=]*)=" variable_identifier ${str}) |
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string(LENGTH ${variable_identifier} variable_identifier_length) |
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string(SUBSTRING "${str}" ${variable_identifier_length} -1 variable_value) |
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set_property(TARGET sysbuild_cache APPEND PROPERTY "SYSBUILD_CACHE:VARIABLES" "${CMAKE_MATCH_1}") |
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set_property(TARGET sysbuild_cache PROPERTY "${CMAKE_MATCH_1}:TYPE" "${CMAKE_MATCH_2}") |
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set_property(TARGET sysbuild_cache PROPERTY "${CMAKE_MATCH_1}" "${variable_value}") |
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endforeach() |
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endif()
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