From: | Andres Freund <andres(at)anarazel(dot)de> |
---|---|
To: | Josef Šimánek <josef(dot)simanek(at)gmail(dot)com> |
Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [RFC] building postgres with meson |
Date: | 2021-10-12 23:54:35 |
Message-ID: | 20211012235435.ozcmsvosdziala7f@alap3.anarazel.de |
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Lists: | pgsql-hackers |
Hi,
On 2021-10-13 01:19:27 +0200, Josef Šimánek wrote:
> I tried to clean and start from scratch, but I'm getting different
> error probably related to wrongly configured JIT (LLVM wasn't found
> during meson setup). I'll debug on my side to provide more info.
../src/backend/jit/jit.c:91:73: error: ‘DLSUFFIX’ undeclared (first use in this function)
91 | snprintf(path, MAXPGPATH, "%s/%s%s", pkglib_path, jit_provider, DLSUFFIX);
| ^~~~~~~~
This *very* likely is related to building in a source tree that also contains
a "non-meson" build "in place". The problem is that the meson build picks up
the pg_config.h generated by ./configure in the "normal" build, rather than
the one meson generated itself.
You'd need to execute make distclean or such, or use a separate git checkout.
I forgot about this issue because I only ever build postgres from outside the
source-tree (by invoking configure from a separate directory), so there's
never build products in it. I think at least I need to make the build emit a
warning / error if there's a pg_config.h in the source tree...
This is the part of the jit code that's built regardless of llvm availability
- you'd get the same error in a few other places unrelated to jit.
Greetings,
Andres Freund
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