Re: Weird corner-case failure mode for VPATH builds

On 2020-Sep-11, Robert Haas wrote:

> On Fri, Sep 4, 2020 at 9:49 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > I discovered a problem today while trying to do a VPATH build on
> > a machine I don't use that often:
> >
> > $ make
> > ...
> > In file included from /home/tgl/pgsql/src/include/postgres.h:47,
> >                  from /home/tgl/pgsql/src/common/hashfn.c:24:
> > /home/tgl/pgsql/src/include/utils/elog.h:71:10: fatal error: utils/errcodes.h: No such file or directory
> >    71 | #include "utils/errcodes.h"
> >       |          ^~~~~~~~~~~~~~~~~~
> > compilation terminated.
> 
> I think I've seen this before, but I don't have an opinion on how to fix it.

Me too.  It would be useful to have a way to report that build artifacts
are in the source dir that should be in the build dir.  I don't know if
this is in any way workable.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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