Re: [PATCH 0/5] Improvements to incremental builds

[Nicolas Schier]

On Thu, Dec 01, 2022 at 08:57:38PM -0800 Ian Rogers wrote:
> Switching to using install_headers caused incremental builds to always
> rebuild most targets. This was caused by the headers always being
> reinstalled and then getting new timestamps causing dependencies to be
> rebuilt. Follow the convention in libbpf where the install targets are
> separated and trigger when the target isn't present or is out-of-date.
> 
> Further, fix an issue in the perf build with libpython where
> python/perf.so was also regenerated as the target name was incorrect.
> 
> Ian Rogers (5):
>   tools lib api: Add dependency test to install_headers
>   tools lib perf: Add dependency test to install_headers
>   tools lib subcmd: Add dependency test to install_headers
>   tools lib symbol: Add dependency test to install_headers
>   perf build: Fix python/perf.so library's name
> 
>  tools/lib/api/Makefile     | 38 ++++++++++++++++++++++-----------
>  tools/lib/perf/Makefile    | 43 +++++++++++++++++++-------------------
>  tools/lib/subcmd/Makefile  | 23 +++++++++++---------
>  tools/lib/symbol/Makefile  | 21 ++++++++++++-------
>  tools/perf/Makefile.config |  4 +++-
>  tools/perf/Makefile.perf   |  2 +-
>  6 files changed, 79 insertions(+), 52 deletions(-)
> 
> -- 
> 2.39.0.rc0.267.gcb52ba06e7-goog

Hi Ian,

which tree is your patch set based on?  At least it doesn't apply on the
current kbuild trees.

Kind regards,
Nicolas

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