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