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| H A D | Makefile | 1d3730f0012fa04ec392b52cc21f945704ac2e16 Sun Nov 10 01:34:36 UTC 2024 Masahiro Yamada <masahiroy@kernel.org> kbuild: support -fmacro-prefix-map for external modules
This commit makes -fmacro-prefix-map work for external modules built in
a separate output directory. It improves the reproducibility of external
modules and provides the benefits described in commit a73619a845d5
("kbuild: use -fmacro-prefix-map to make __FILE__ a relative path").
When building_out_of_srctree is not defined (e.g., when the kernel or
external module is built in the source directory), this option is
unnecessary.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
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