Re: jsonpath

сб, 16 мар. 2019 г., 21:12 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:

> I wrote:
> > Good point. I also see jsonpath_gram.h left behind after
> maintainer-clean:
>
> Oh, and of potentially more significance: after maintainer-clean and
> re-configure, make fails with
>
> In file included from jsonpath_gram.y:24:
> ../../../../src/include/utils/jsonpath_scanner.h:25:33: error:
> utils/jsonpath_gram.h: No such file or directory
>
> I first thought this was a problem with insufficient dependencies
> allowing parallel make to do things in the wrong order, but the problem
> repeats even without any parallelism. It looks like the dependencies
> have been constructed in such a way that if the symlink at
> src/include/utils/jsonpath_gram.h exists but the underlying file
> does not, nothing will make the underlying file. This is pretty broken;
> aside from this outright failure, it also suggests that nothing will
> update that file if it exists but is out of date relative to its
> sources.
>
> Please make sure that the make rules associated with these files look
> exactly like the previously-debugged rules for existing bison/flex
> output files. There are generally good reasons for every last bit
> of weirdness in those.

Uh, I didn't check that carefully enough. Thank you for the explanation.
Will fix.

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company