Re: AIX support

Tristan Partin <tristan@neon.tech>

From: "Tristan Partin" <tristan@neon.tech>

To: "Peter Eisentraut" <peter@eisentraut.org>, "Sriram RK" <sriram.rk@outlook.com>

Cc: "Noah Misch" <noah@leadboat.com>, "Tom Lane" <tgl@sss.pgh.pa.us>, "Alvaro Herrera" <alvherre@alvh.no-ip.org>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, "tvk1271@gmail.com" <tvk1271@gmail.com>, "Andres Freund" <andres@anarazel.de>, "Thomas Munro" <thomas.munro@gmail.com>, "Heikki Linnakangas" <hlinnaka@iki.fi>

Date: 2024-04-22T14:54:50Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Restore AIX support.
- 4a1b05caa55d 19 (unreleased) landed
pg_createsubscriber: Improve error messages.
- 898c131b58a0 18.0 cited
Use <stdint.h> and <inttypes.h> for c.h integers.
- 962da900ac8f 18.0 cited
Stabilize jsonb_path_query test case.
- af2115226831 18.0 cited
Fix C23 compiler warning
- d2b4b4c2259e 18.0 cited
pg_stat_statements: Add tests for nested queries with level tracking
- 45e0ba30fc40 18.0 cited
Add missing newline at the end of index_including.sql
- 54b69f1bd730 17.0 cited
Remove AIX support
- 0b16bb8776bb 17.0 cited
Fix s_lock.h PPC assembly code to be compatible with native AIX assembler.
- c41a1215f049 9.6.0 cited
Use a non-locking initial test in TAS_SPIN on PPC.
- bc2a050d4097 9.2.0 cited
Use LWSYNC in place of SYNC/ISYNC in PPC spinlocks, where possible.
- 631beeac3598 9.2.0 cited
Use mutex hint bit in PPC LWARX instructions, where possible.
- 5cfa8dd3007d 9.2.0 cited
Adjust TAS assembly as per recent discussions: use "+m"(*lock) everywhere
- 109867748259 8.0.0 cited
Apple's assembler likes the inlined TAS syntax too, so no reason to
- f9ba0a7fe563 7.4.1 cited
Tighten up register usage for inline PPC version of tas().
- eb5e4c58d137 7.4.1 cited
Put the isync where it's supposed to be.
- cd35d601b859 7.4.1 cited
> > I'll re-check that with the ppc architecture guy here.
- ceb4f5ea9c2c 7.4.1 cited
Fix PPC s_lock operations to work correctly on multi-CPU machines.
- 7233aae50bea 7.3.1 cited
I tried to build PostgreSQL with the following step to see backends hung
- 50938576d482 7.3.1 cited
Complete merge of all old man page information.
- f2f43efbe1d5 7.1.1 cited
s_lock aix patch.
- e3b06a871b63 7.1.1 cited

On Sat Apr 20, 2024 at 10:42 AM CDT, Peter Eisentraut wrote:
>
> 3. We leave it out of PG17 and consider a new AIX port for PG18 on its 
> own merits.
>
> Note that such a "new" port would probably require quite a bit of 
> development and research work, to clean up all the cruft that had 
> accumulated over the years in the old port.  Another looming issue is 
> that the meson build system only supported AIX with gcc before the 
> removal.  I don't know what it would take to expand that to support 
> xclang, but if it requires meson upstream work, you have that to do, too.

Happy to help advocate for any PRs from AIX folks on the Meson side. You 
can find me as @tristan957 on github.

-- 
Tristan Partin
Neon (https://neon.tech)