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Suppress transitional symbols - #39
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This adds guards in 4 output paths so symbols marked 'transitional' are read from old .config files (for migration defaults) but never written to generated output: - config_string property (write_config / write_min_config) - _autoconf_contents (write_autoconf) - _min_config_contents (write_min_config) - sync_deps (prevents spurious dep-file touches) It rewrites makefile.patch for Linux v6.18 Makefile layout (config_rule macro replaces individual target rules; PYTHONCMD defaults to python3). Install GNU Make and LLD on macOS CI runners (v6.18 requires Make >= 4.0 and a supported linker; macOS ships Make 3.81 and Apple ld). Forward LD as a make command-line variable in reltest and test_compat.py so it overrides the kernel Makefile's unconditional LD assignment without replacing Apple's system linker in PATH. Honour the MAKE and CC environment variables in test_compat.py via setdefault().
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Linux v6.18 introduced the 'transitional' keyword for Kconfig symbols (commit 23ef9d439769d5) enabling clean option renaming: old symbols marked transitional are read from existing .config files to populate new symbol defaults, but must never appear in generated output.
The parser already sets is_transitional but the flag had no behavioral impact. Add four guards to suppress transitional symbols from:
This rewrites 'makefile.patch' for Linux v6.x Makefile layout where config targets are generated by a $(foreach ...) / config_rule macro rather than individual rules.
Summary by cubic
Suppress transitional Kconfig symbols from all generated outputs while still reading them from legacy .config files to seed defaults, matching Linux v6.18. Update the v6.18 Makefile patch (python3) and CI to use GNU Make ≥4.0 with LLD on macOS.
Bug Fixes
Refactors
Written for commit 7852844. Summary will update on new commits.