Multiarch paths and toolchain implications
Ulrich.Weigand at de.ibm.com
Mon Aug 2 12:46:41 BST 2010
Andrew Stubbs <ams at codesourcery.com> wrote on 08/02/2010 01:35:01 PM:
> On 31/07/10 19:01, Ulrich Weigand wrote:
> > I've finally completed a first of draft the write-up of toolchain
> > implications of multiarch paths that we discussed in Prague. Sorry it
> > a while, but it got a lot longer than I expected :-/
> > I'd appreciate any feedback and comments!
> Thanks Ulrich, that's an excellent document. :)
> You didn't mention anything about the HWCAP stuff, though? I think we
> need to capture the discussion we had about "multiarch" == "ABI", and
> "multiarch" != "hardware features".
The second half of the section "Loading/running an executable" is about
thw HWCAP stuff (look for "capability suffix"). In the summary I have
* If capability-optimized ISA/ABI-compatible library variants are desired,
they can be build just as today, only under the (same) multiarch
suffix. They could be packaged either within a single pacakge,
or else using multiple packages (of the same multiarch type).
If you feel this could be made clearer, I'd appreciate any suggestions :-)
Mit freundlichen Gruessen / Best Regards
Dr. Ulrich Weigand | Phone: +49-7031/16-3727
STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.
IBM Deutschland Research & Development GmbH
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