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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Fabien COELHO <coelho@cri.ensmp.fr>
Cc: Thomas Munro <tmunro@postgresql.org>
Cc: pgsql-committers <pgsql-committers@lists.postgresql.org>
Subject: Re: pgsql: Track LLVM 15 changes.
Date: Thu, 25 Dec 2025 12:05:19 -0500
Message-ID: <1407185.1766682319@sss.pgh.pa.us> (raw)
In-Reply-To: <CA+hUKGKM6BWHy9oi9Oyt7wgVLgi3ht2hb=k0Tmf0RLDhkEEXkQ@mail.gmail.com>
References: <CA+hUKGLqengPszjoQeD_7nmHsjGZS380+ymke-Fm=nNGMEQuhw@mail.gmail.com>
	<202202142122.eqz4mu2ecfes@alvherre.pgsql>
	<CA+hUKG+LX+mjBTPV=u4RnZU_5sp=BgCHh_91a1f1NFoKphtJWQ@mail.gmail.com>
	<3155481.1644950069@sss.pgh.pa.us>
	<CA+hUKG+p=faBQR2PSAqWoWa+_tJdKPT0wjZPQe7XcDEttUCgdQ@mail.gmail.com>
	<20220215224123.fx2mxkvlbvhk7377@alap3.anarazel.de>
	<3224284.1644965080@sss.pgh.pa.us>
	<CA+hUKGKM6BWHy9oi9Oyt7wgVLgi3ht2hb=k0Tmf0RLDhkEEXkQ@mail.gmail.com>

[ blast-from-the-past dept. ]

Thomas Munro <thomas.munro@gmail.com> writes:
> Shortly I'll do the back-patch of LLVM 14 API changes (their final
> release tag is scheduled for tomorrow, as I've been reminded by
> package maintainers trying and failing to build).  But I figured I
> should also follow up on this bandaid solution to the API deprecation
> warnings, that is, silencing them for now, so we don't spew screeds of
> warnings.  Does someone have a better idea than the attached?

The bit added by commit a56e7b660 is still there in
src/backend/jit/llvm/Makefile:

+# LLVM 14 produces deprecation warnings.  We'll need to make some changes
+# before the relevant functions are removed, but for now silence the warnings.
+ifeq ($(GCC), yes)
+LLVM_CFLAGS += -Wno-deprecated-declarations
+endif

Surely we don't need this anymore?  I tried removing it locally
and didn't see any such warnings (with Red Hat's llvm 20.1.8).

			regards, tom lane





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