On Wed, Jun 01, 2022 at 09:32:58AM -0700, Christopher Larson wrote: > Multi-machine builds in a single tmpdir has been supported by oe since > before multiconfig existed, and certainly works fine with multiconfig, it's > only other configuration changes, such as distro, that result in conflicts > and failures when using multiconfig in a single tmpdir. I don't think it's > a good idea to force the matter due to flaws in archiver, personally.
Yes, I agree that in this case it is best to fix the archiver class. The reason everything else just works is because there's already per-machine separation in many places - deploy, images, work, cache, stamps, etc. There's also a great re-use of shared components between similar machines built in the same tmpdir. As Chris says, this always worked even before multiconfig - you just change MACHINE and re-run bitbake. And multiconfig simply allows doing it in one invocation of bitbake, that's all. Denys > On Wed, Jun 1, 2022 at 2:17 AM Jose Quaresma <quaresma.j...@gmail.com> > wrote: > > > > > > > Denys Dmytriyenko <de...@denix.org> escreveu no dia terça, 31/05/2022 > > à(s) 20:33: > > > >> On Mon, May 30, 2022 at 03:38:10PM +0100, Jose Quaresma wrote: > >> > Bitbake manual [1] recomends to use one TMPDIR for each machine: > >> > > >> > "Minimally, each configuration file must define the machine and the > >> > temporary directory BitBake uses for the build. > >> > Suggested practice dictates that you do not overlap the temporary > >> > directories used during the builds." > >> > >> What specific issue are you trying to fix with this? > >> > > > > The issue that I have is in the OE-core archiver.bbclasse that doesn't > > support multiconfig when > > using the same TMPDIR, this because the shared recipes like gcc, kernel > > > > It can be replicates in kirkstone using the am64xx-evm with the following: > > > > # archive sources for target recipes in conf/local.conf > > INHERIT += "archiver" > > COPYLEFT_RECIPE_TYPES = "target" > > ARCHIVER_MODE[src] = "original" > > ARCHIVER_MODE[diff] = "1" > > > > # and run bitbake with: > > bitbake mc:k3r5:gcc-source-11.2.0 gcc-source-11.2.0 -c do_unpack_and_patch > > -f > > > > more info in following patch: > > https://lists.openembedded.org/g/openembedded-core/message/166203 > > > > > >> I'm not aware of any immediate issues (because here multiconfig is used > >> for > >> completely separate machines and those are well isolated inside the temp > >> dir), > >> but I see few problems this will cause down the road, so I'm against this > >> change. > >> > > > > What you are saying is that this change will introduce new problems or > > regressions? > > > > Jose > > > > > >> > >> > >> > [1] > >> https://docs.yoctoproject.org/bitbake/bitbake-user-manual/bitbake-user-manual-intro.html#executing-a-multiple-configuration-build > >> > > >> > Signed-off-by: Jose Quaresma <jose.quare...@foundries.io> > >> > --- > >> > meta-ti-bsp/conf/multiconfig/k3r5.conf | 2 ++ > >> > 1 file changed, 2 insertions(+) > >> > > >> > diff --git a/meta-ti-bsp/conf/multiconfig/k3r5.conf > >> b/meta-ti-bsp/conf/multiconfig/k3r5.conf > >> > index deb07210..0ba163ae 100644 > >> > --- a/meta-ti-bsp/conf/multiconfig/k3r5.conf > >> > +++ b/meta-ti-bsp/conf/multiconfig/k3r5.conf > >> > @@ -3,3 +3,5 @@ MAINMACHINE := "${MACHINE}" > >> > DEPLOY_DIR_IMAGE = "${DEPLOY_DIR}/images/${MAINMACHINE}" > >> > > >> > MACHINE:append = "-k3r5" > >> > + > >> > +TMPDIR = "${TOPDIR}/tmp-${MACHINE}" > >> > -- > >> > 2.36.1 > >> > > > > > > -- > > Best regards, > > > > José Quaresma > > > > > > > > > > -- > Christopher Larson > chris_lar...@mentor.com, chris.lar...@siemens.com, kerg...@gmail.com > Principal Software Engineer, Embedded Linux Solutions, Siemens Digital > Industries Software -- Regards, Denys Dmytriyenko <de...@denix.org> PGP: 0x420902729A92C964 - https://denix.org/0x420902729A92C964 Fingerprint: 25FC E4A5 8A72 2F69 1186 6D76 4209 0272 9A92 C964
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