Andrew Dunstan <and...@dunslane.net> writes: > On 5/10/21 12:07 PM, Tom Lane wrote: >> I don't think this is good practice; it implies that any >> accidental corruption of the commentary would be carried >> forward. I think we should be extracting the commentary >> from Gen_dummy_probes.sed.
> I don't know how likely accidental corruption is, but OK, let's not make > the next generation dependent on the current generation of the file. The > simplest way around that seems to me to cache the perl prolog, as in the > attached patch Is that more to your liking? I also adjusted it so we > pick up the first line of code from s2p rather than from the prolog, > which is now just comments and the #! line. Works for me. One other thought --- do we care whether this works in a VPATH build, and if so does it? The $< and $@ references should be OK, but I'm betting you need $(srcdir)/Gen_dummy_probes.pl.prolog or the like. regards, tom lane