Horton

Re: Guiding principle for dropping LLVM versions?

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@anarazel.de>, pgsql-hackers@lists.postgresql.org, Xing Guo <higuoxing@gmail.com>, Devrim Gündüz <devrim@gunduz.org>, pgsql-hackers <pgsql-hackers@postgresql.org>, Noah Misch <noah@leadboat.com>, Mark Wong <markwkm@gmail.com>, tcook@blackducksoftware.com
Date: 2023-11-01T21:46:52Z
Lists: pgsql-hackers

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  1. jit: Require at least LLVM 14, if enabled.

  2. jit: Require at least LLVM 10.

So it sounds like we're in agreement that it is time to require LLVM
10+ in master.  Could the owners (CC'd) of the following animals
please turn off --with-llvm on master (and future 17+ branches), or
consider upgrading to a modern OS release?  Otherwise they'll turn
red.

   animal    |        arch        | llvm_version |   os   | os_release
| end_of_support
-------------+--------------------+--------------+--------+------------+----------------
 mantid      | x86_64             | 5.0.1        | CentOS | 7
| 2019-08-06
 cotinga     | s390x              | 6.0.0        | Ubuntu | 18.04
| 2023-06-01
 vimba       | aarch64            | 6.0.0        | Ubuntu | 18.04
| 2023-06-01
 topminnow   | mips64el; -mabi=32 | 6.0.1        | Debian | 8
| 2018-06-17
 alimoche    | aarch64            | 7.0.1        | Debian | 10
| 2022-09-10
 blackneck   | aarch64            | 7.0.1        | Debian | 10
| 2022-09-10

And of course Andres would need to do the same for his coverage
animals in that range:

   animal    |        arch        | llvm_version |   os   | os_release
| end_of_support
-------------+--------------------+--------------+--------+------------+----------------
 dragonet    | x86_64             | 3.9.1        | Debian | sid        |
 phycodurus  | x86_64             | 3.9.1        | Debian | sid        |
 desmoxytes  | x86_64             | 4.0.1        | Debian | sid        |
 petalura    | x86_64             | 4.0.1        | Debian | sid        |
 idiacanthus | x86_64             | 5.0.2        | Debian | sid        |
 pogona      | x86_64             | 5.0.2        | Debian | sid        |
 komodoensis | x86_64             | 6.0.1        | Debian | sid        |
 xenodermus  | x86_64             | 6.0.1        | Debian | sid        |