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SubjectRe: [PATCH 0/2] kbuild: use relative path from $(srctree) instead of __FILE__
2017-10-12 18:56 GMT+09:00 Masahiro Yamada <>:
> Kbuild works in objtree, not in srctree. So, __FILE__ is prefixed
> with $(srctree)/ for out-of-tree build.
> For example, WARN_ON() will look as follows if you built your kernel
> out of source tree:
> WARNING: CPU: 1 PID: 1 at /path/to/build/directory/arch/arm64/kernel/foo.c:...
> With this series, it will always look like follows regardless of O= option.
> WARNING: CPU: 1 PID: 1 at arch/arm64/kernel/foo.c:...
> If GCC does not support -Wno-builtin-macro-redefined (i.e. gcc version < 4.4),
> the output is prefixed with absolute path.

I expect to replace __FILE__ with its relative path,
but actually it replaces __FILE__ with relative path of __BASE_FILE__.
This will change the behavior in several places.

I take back this series.

Best Regards
Masahiro Yamada

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