Re: perf build failure in v6.1.53-221-g5e5c3289d389

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On Sun, Sep 17, 2023 at 07:48:43AM -0700, Guenter Roeck wrote:
> make tools/perf fails with
> 
> gcc: fatal error: no input files
> 
> Bisect points to 'perf build: Update build rule for generated files'
> which adds
> 
> +
> +# pmu-events.c file is generated in the OUTPUT directory so it needs a
> +# separate rule to depend on it properly
> +$(OUTPUT)pmu-events/pmu-events.o: $(PMU_EVENTS_C)
> +       $(call rule_mkdir)
> +       $(call if_changed_dep,cc_o_c)
> 
> but there is no PMU_EVENTS_C in v6.1.y.

Then the Fixes: tag lied :(

I'll go drop this patch now, thanks.

greg k-h



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