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([2001:8b0:aba:5f3c:49bb:fc1a:471d:cb37]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48727c0cdf6sm214148815e9.2.2026.03.30.03.18.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 03:18:54 -0700 (PDT) Message-ID: <2e2f88fe044c6b3dc868652c01f647d58abf1a33.camel@linuxfoundation.org> Subject: Re: [OE-core] [PATCH] lto.inc: add DEBUG_PREFIX_MAP back to TARGET_LDFLAGS From: Richard Purdie To: Thomas Perrot , joerg.sommer@navimatix.de, openembedded-core@lists.openembedded.org Cc: changqing.li@windriver.com, rs@ti.com, ricardo.salveti@oss.qualcomm.com, raj.khem@gmail.com, antonin.godard@bootlin.com Date: Mon, 30 Mar 2026 11:18:54 +0100 In-Reply-To: <0110332424c01404402aa58286399958e1449110.camel@bootlin.com> References: <20260204052638.284617-1-changqing.li@windriver.com> <0110332424c01404402aa58286399958e1449110.camel@bootlin.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-9 MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 30 Mar 2026 10:18:59 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/234222 On Mon, 2026-03-30 at 11:59 +0200, Thomas Perrot wrote: > =C2=A0=C2=A0 1. Hello, > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=20 > On Sat, 2026-03-28 at 21:26 +0100, J=C3=B6rg Sommer via > lists.openembedded.org wrote: > > Changqing Li via lists.openembedded.org schrieb am Mi 04. Feb, > > 13:26 > > (+0800): > > > From: Changqing Li > > >=20 > > > 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. > >=20 > > Gentle ping. This patch is missing, otherwise QA check buildpaths > > matches in > > nearly all packages. >=20 > I confirm this patch is required to fix QA check build paths for a > few packages.=20 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