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fix(cmake): Fix "IMPORTED_LOCATION not set for imported target" errors

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esp-idf uses imported targets as dummy targets that are never linked.
Previous CMake versions would ignore these and not error on unset
IMPORTED_LOCATION if they are never actually linked. CMake 4.2 and newer
errors during codemodel-v2 api queries when imported targets are missing
IMPORTED_LOCATION, so set a dummy location that would error when
actually linked, which fixes the error during api queries.

Closes https://github.com/espressif/esp-idf/pull/18103
This commit is contained in:
Ferdinand Bachmann
2026-01-16 12:11:49 +01:00
committed by Frantisek Hrbata
parent 9c66d3416f
commit 13dc32328c
2 changed files with 4 additions and 0 deletions
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tools/cmake/component.cmake
+2
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@@ -166,6 +166,8 @@ function(__component_add component_dir prefix component_source)
if(NOT component_target IN_LIST component_targets)
if(NOT TARGET ${component_target})
add_library(${component_target} STATIC IMPORTED)
# Set the IMPORTED_LOCATION property to avoid errors on IDE codemodel queries with CMake >=4.2
set_property(TARGET ${component_target} PROPERTY IMPORTED_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/dummy.a")
endif()
idf_build_set_property(__COMPONENT_TARGETS ${component_target} APPEND)
else()