Re: AIX support
AIX PG user <postgres-ibm-aix@wwpdl.vnet.ibm.com>
Commits
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
Hi Alvaro,
Thank you for taking your time to look into the details.
I’ve submitted the latest changes to the master branch, which are now available in the annotations section here:
https://commitfest.postgresql.org/patch/6050/
I kindly request you to review this updated patch and share your valuable feedback.
Regarding your observation about the inclusion of mkldexport.sh and its usage in the makefiles — as previously
discussed, this is a necessary workaround due to current limitations on AIX. To build shared libraries, we need to
extract symbols using this script. The relevant details are as follows:
Script Location: src/backend/port/aix/mkldexport.sh
Purpose: Implements AIX-specific changes for shared library creation using export files.
Background: Based on discussions with the internal linker team, this method is currently required to extract symbols and build shared libraries.
Reference Practices: This approach is consistent with methods used in other open-source projects such as Python and OpenBLAS:
Python
https://github.com/python/cpython/blob/main/Modules/ld_so_aix.in
OpenBLAS
https://github.com/OpenMathLib/OpenBLAS/commit/892f8ff3e55e24fda9af3f6364319cce3f60116b#diff-4011a114c75fe804332139868806cbe23f275963e4e6afa9b57e51b2b98
As for Meson builds, we did explore them earlier but encountered some issues. Here are some issues/fixes we submitted to the meson community
https://github.com/mesonbuild/meson/issues/14334
For now, we would like to focus initially on the regular gmake build since our buildfarms predominantly use it. That said, we do plan to submit Meson-related changes as a separate patch in the future.
Looking forward to your feedback.
-Sriram