Debian Bug report logs - #1122608
ldc ftbfs with LLVM 21

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Message #5 received at [email protected] (full text, mbox, reply):

From: Matthias Klose <[email protected]>

To: Debian Bug Tracking System <[email protected]>

Subject: ldc ftbfs with LLVM 21

Date: Thu, 11 Dec 2025 19:58:51 +0100

Package: src:ldc
Version: 1:1.41.0-1
Severity: serious
Tags: ftbfs sid forky
User: [email protected]>
Usertags: llvm-21

ldc ftbfs with LLVM 21:

[...]
In file included from 
/build/reproducible-path/ldc-1.41.0/gen/abi/aarch64.cpp:18:
/build/reproducible-path/ldc-1.41.0/./gen/abi/generic.h: In member 
function ‘virtual void IndirectByvalRewrite::applyTo(IrFuncTyArg&, 
llvm::Type*)’:
/build/reproducible-path/ldc-1.41.0/./gen/abi/generic.h:263:37: error: 
‘NoCapture’ is not a member of ‘LLAttribute’ {aka 
‘llvm::Attribute::AttrKind’}
  263 |     attrs.addAttribute(LLAttribute::NoCapture);
      |

Message #10 received at [email protected] (full text, mbox, reply):

From: Jeremy Bícha <[email protected]>

To: [email protected], Matthias Klumpp <[email protected]>

Cc: Matthias Klose <[email protected]>

Subject: Re: ldc ftbfs with LLVM 21

Date: Fri, 19 Dec 2025 08:27:24 -0500

ldc 1.42 beta 1 was released today with support for llvm 21:
https://github.com/ldc-developers/ldc/releases

Alternatively, I think we could build ldc with llvm 19 temporarily to
give us more time. (I did this in Ubuntu 26.04 LTS.)

Thank you,
Jeremy Bícha

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