Re: [OE-core] [PATCH] lto.inc: add DEBUG_PREFIX_MAP back to TARGET_LDFLAGS

Richard Purdie
2026-03-30T10:18:59Z

On Mon, 2026-03-30 at 11:59 +0200, Thomas Perrot wrote:
>    1. Hello,
>
> On Sat, 2026-03-28 at 21:26 +0100, Jörg Sommer via
> lists.openembedded.org wrote:
> > Changqing Li via lists.openembedded.org schrieb am Mi 04. Feb,
> > 13:26
> > (+0800):
> > > From: Changqing Li <changqing.li@windriver.com>
> > >
> > > DEBUG_PREFIX_MAP is appended to TARGET_LDFLAGS in commit [1] for
> > > fixing
> > > reproducible issue when LTO is enabled. It is removed in comit
> > > [2]
> > > since
> > > this commit causes cgo binary not reproducible. But actually, we
> > > still
> > > need this DEBUG_PREFIX_MAP in LDFLAGS when LTO enabled. So, only
> > > appened
> > > it when LTO is enabled. Refer [3] for the history, with this
> > > patch,
> > > patch [4] is also needed for cgo + lto enabled.
> >
> > Gentle ping. This patch is missing, otherwise QA check buildpaths
> > matches in
> > nearly all packages.
>
> I confirm this patch is required to fix QA check build paths for a
> few packages.

Can someone please work out a smaller reproducer to provide to upstream
gcc/binutils so we can try and get the underlying bug fixed?

Thanks,

Richard