On 20 Oct 2022 09:32, Tsukasa OI wrote:
> Clang generates a warning if there is a function declaration/definition
> with zero arguments.  Such declarations/definitions without a prototype (an
> argument list) are deprecated forms of indefinite arguments
> ("-Wdeprecated-non-prototype").  On the default configuration, it causes a
> build failure (unless "--disable-werror" is specified).
> 
> This commit removes redundant and indefinite getrusage function declarations
> if the known getrusage declaration is found.

just delete the code and be done.  don't keep it around for ancient irrelevant
systems that we never test on.
-mike