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feat(cmakev2/component): add COMPONENT_BUILD_DIR component property

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During the initialization of a component in the __init_component
function, add the COMPONENT_BUILD_DIR property. This can be used to
store component-specific generated files, such as preprocessed linker
scripts.

Signed-off-by: Frantisek Hrbata <frantisek.hrbata@espressif.com>
This commit is contained in:
Frantisek Hrbata
2025-11-04 07:48:15 +01:00
parent ce5646b354
commit 6aa25ff65e
1 changed files with 6 additions and 2 deletions
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tools/cmakev2/component.cmake
+6 -2
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@@ -615,6 +615,9 @@ function(__init_component)
# Real component library target that needs to be created by the component.
set(component_target "_${component_interface}")
idf_build_get_property(build_dir BUILD_DIR)
set(component_build_dir "${build_dir}/esp-idf/${component_name}")
# Interface target is used to attach all component properties and is also
# used when the component is linked to other targets.
add_library("${component_interface}" INTERFACE)
@@ -638,6 +641,7 @@ function(__init_component)
idf_component_set_property("${component_name}" COMPONENT_TARGET "${component_target}")
idf_component_set_property("${component_name}" COMPONENT_NAME "${component_name}")
idf_component_set_property("${component_name}" COMPONENT_DIR "${component_directory}")
idf_component_set_property("${component_name}" COMPONENT_BUILD_DIR "${component_build_dir}")
idf_component_set_property("${component_name}" COMPONENT_ALIAS "${component_alias}")
idf_component_set_property("${component_name}" COMPONENT_SOURCE "${component_source}")
idf_component_set_property("${component_name}" COMPONENT_INTERFACE "${component_interface}")
@@ -765,8 +769,8 @@ function(idf_component_include name)
list(APPEND __DEPENDENCY_CHAIN "${name}")
# Evaluate the CMakeLists.txt file of the component.
idf_build_get_property(build_dir BUILD_DIR build_dir)
add_subdirectory("${component_directory}" "${build_dir}/esp-idf/${component_name}")
idf_component_get_property(component_build_dir "${component_name}" COMPONENT_BUILD_DIR)
add_subdirectory("${component_directory}" "${component_build_dir}")
# The component has been evaluated; remove it from the dependency chain.
list(POP_BACK __DEPENDENCY_CHAIN)