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From: Tom Lane <[email protected]>
To: Thomas Munro <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: Fabien COELHO <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: pgsql-committers <[email protected]>
Subject: Re: pgsql: Track LLVM 15 changes.
Date: Thu, 25 Dec 2025 12:05:19 -0500
Message-ID: <[email protected]> (raw)
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[ blast-from-the-past dept. ]

Thomas Munro <[email protected]> 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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