| From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, David Steele <david(at)pgmasters(dot)net>, Ildus Kurbangaliev <i(dot)kurbangaliev(at)gmail(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: [HACKERS] Custom compression methods (mac+lz4.h) |
| Date: | 2021-03-20 21:23:02 |
| Message-ID: | 20210320212302.GW11765@telsasoft.com |
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| Lists: | pgsql-hackers |
On Fri, Mar 19, 2021 at 02:07:31PM -0400, Robert Haas wrote:
> On Fri, Mar 19, 2021 at 1:44 PM Justin Pryzby <pryzby(at)telsasoft(dot)com> wrote:
> > Working with one of Andrey's patches on another thread, he reported offlist
> > getting this message, resolved by this patch. Do you see this warning during
> > ./configure ? The latest CI is of a single patch without the LZ4 stuff, so I
> > can't check its log.
> >
> > configure: WARNING: lz4.h: accepted by the compiler, rejected by the preprocessor!
> > configure: WARNING: lz4.h: proceeding with the compiler's result
>
> No, I don't see this. I wonder whether this could possibly be an
> installation issue on Andrey's machine? If not, it must be
> version-dependent or installation-dependent in some way.
Andrey, can you check if latest HEAD (bbe0a81db) has these ./configure warnings ?
If so, can you check if your environment is clean, specifically lz4.h - if
you've installed LZ4 from source, I have to imagine that's relevant.
Most users won't do that, but it should be a supported configuration, too.
--
Justin
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