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Allow to add suffix overlays #2913

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Merged
merged 1 commit into from
May 30, 2025
Merged

Allow to add suffix overlays #2913

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27 changes: 19 additions & 8 deletions share/sysbuild/cmake/modules/sysbuild_extensions.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -261,7 +261,7 @@ function(ExternalZephyrProject_Add)
set(sysbuild_image_conf_dir ${APP_DIR}/sysbuild)
set(sysbuild_image_name_conf_dir ${APP_DIR}/sysbuild/${ZBUILD_APPLICATION})
# User defined `-D<image>_CONF_FILE=<file.conf>` takes precedence over anything else.
if (NOT ${ZBUILD_APPLICATION}_CONF_FILE)
if(NOT ${ZBUILD_APPLICATION}_CONF_FILE)
if(EXISTS ${sysbuild_image_name_conf_dir})
set(${ZBUILD_APPLICATION}_APPLICATION_CONFIG_DIR ${sysbuild_image_name_conf_dir}
CACHE INTERNAL "Application configuration dir controlled by sysbuild"
Expand All @@ -275,20 +275,31 @@ function(ExternalZephyrProject_Add)
NAMES ${ZBUILD_APPLICATION}.conf SUFFIX ${FILE_SUFFIX}
)

if (NOT (${ZBUILD_APPLICATION}_OVERLAY_CONFIG OR ${ZBUILD_APPLICATION}_EXTRA_CONF_FILE)
if(NOT (${ZBUILD_APPLICATION}_OVERLAY_CONFIG OR ${ZBUILD_APPLICATION}_EXTRA_CONF_FILE)
AND EXISTS ${sysbuild_image_conf_fragment}
)
set(${ZBUILD_APPLICATION}_EXTRA_CONF_FILE ${sysbuild_image_conf_fragment}
CACHE INTERNAL "Kconfig fragment defined by main application"
)
endif()

# Check for overlay named <ZBUILD_APPLICATION>.overlay.
set(sysbuild_image_dts_overlay ${sysbuild_image_conf_dir}/${ZBUILD_APPLICATION}.overlay)
if (NOT ${ZBUILD_APPLICATION}_DTC_OVERLAY_FILE AND EXISTS ${sysbuild_image_dts_overlay})
set(${ZBUILD_APPLICATION}_DTC_OVERLAY_FILE ${sysbuild_image_dts_overlay}
CACHE INTERNAL "devicetree overlay file defined by main application"
)
if(NOT ${ZBUILD_APPLICATION}_DTC_OVERLAY_FILE)
# Check for overlay named <ZBUILD_APPLICATION>.overlay.
set(sysbuild_image_dts_overlay_files ${sysbuild_image_conf_dir}/${ZBUILD_APPLICATION}.overlay)

# Check for overlay named <ZBUILD_APPLICATION>_<FILE_SUFFIX>.overlay.
if(FILE_SUFFIX)
list(PREPEND sysbuild_image_dts_overlay_files ${sysbuild_image_conf_dir}/${ZBUILD_APPLICATION}_${FILE_SUFFIX}.overlay)
endif()

foreach(sysbuild_image_dts_overlay_files overlay_file)
if(EXISTS ${overlay_file})
set(${ZBUILD_APPLICATION}_DTC_OVERLAY_FILE ${overlay_file}
CACHE INTERNAL "devicetree overlay file defined by main application"
)
break()
endif()
endforeach()
endif()
endif()

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