* perf build failure in v6.1.53-221-g5e5c3289d389
@ 2023-09-17 14:48 Guenter Roeck
2023-09-17 16:33 ` Greg Kroah-Hartman
0 siblings, 1 reply; 2+ messages in thread
From: Guenter Roeck @ 2023-09-17 14:48 UTC (permalink / raw)
To: stable; +Cc: Greg Kroah-Hartman
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)
+ $(call if_changed_dep,cc_o_c)
but there is no PMU_EVENTS_C in v6.1.y.
Guenter
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: perf build failure in v6.1.53-221-g5e5c3289d389
2023-09-17 14:48 perf build failure in v6.1.53-221-g5e5c3289d389 Guenter Roeck
@ 2023-09-17 16:33 ` Greg Kroah-Hartman
0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2023-09-17 16:33 UTC (permalink / raw)
To: Guenter Roeck; +Cc: stable
On Sun, Sep 17, 2023 at 07:48:43AM -0700, Guenter Roeck wrote:
> make tools/perf fails with
>
> gcc: fatal error: no input files
>
> Bisect points to 'perf build: Update build rule for generated files'
> which adds
>
> +
> +# pmu-events.c file is generated in the OUTPUT directory so it needs a
> +# separate rule to depend on it properly
> +$(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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