I wrote:
> Yeah, I was just noticing that. It looks like the whole business
> with checking both get_python_inc(False) and get_python_inc(True)
> has been useless from the start: none of the buildfarm animals report
> more than one -I switch in "checking Python include directories".
Also, that appears to be true even in the oldest runs that vendikar
still has data for, back in 2015. So it's not something that they
cleaned up recently.
regards, tom lane