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feat(idf_py): hint at the BUILD_COMPONENTS migration path

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Reading the BUILD_COMPONENTS build property aborts the build with a bare
message stating that the property is unsupported, without naming a
replacement. Add a hint that points at the $<TARGET_EXISTS:idf::component>
generator expression and at the documentation section describing the
migration, so the guidance lives with the other build hints instead of
being spelled out in the build system sources.
This commit is contained in:
Sudeep Mohanty
2026-08-26 15:28:18 +02:00
parent be3a19e454
commit dfe99a4a41
2 changed files with 7 additions and 0 deletions
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tools/test_idf_py/error_output.yml
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@@ -1,3 +1,6 @@
"CMake Error at /esp-idf/tools/cmakev2/build.cmake:93 (message): IDF: Build property 'BUILD_COMPONENTS' is not supported\n":
"HINT: The 'BUILD_COMPONENTS' build property does not exist in Build System v2, since components are not collected before they are evaluated. To check whether a component takes part in the build, use the '$<TARGET_EXISTS:idf::component_name>' generator expression instead. For details and a migration example, run 'idf.py docs -sp api-guides/build-system-v2/breaking-changes.html#cmakev2-build-components'"
'ccache error: Failed to create temporary file\n':
"HINT: On Windows, you should enable long path support in the installer, or disable ccache temporarily. See 'idf.py --help' or the documentation how to achieve this."