Re: non-existent prerequisite w/ empty rule makes target out of date

[Paul D. Smith]

%% gk <address@hidden> writes:

  g> I am using the following ifneq, which seems good enough for my purposes.
  g> $(afile) is a file that may or may not exist.
  g> Thanks for the insights.

  g> ifneq (,$(wildcard $(afile)))
  g> target: $(afile)
  g>          @touch $@
  g> else
  g> target:
  g>          @touch $@
  g> endif


Why not just:

  target: $(wildcard $(afile))
            @touch $@

?

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