Re: [RFC] add ubuntu patch which adds atomic builtin support to gcc 4.3.[3 but also other microversions]

[Koen Kooi <k.kooi@student.utwente.nl>]

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On 16-06-10 09:27, Robert Schuster wrote:
> Hi,
> Angstrom's default GCC is 4.3.3 for ARM. Unfortunately that version
> lacks atomic intrinsics support for the very same architecture
> (__sync_synchronize and friends). The support is available from 4.4.x
> onwards but a patch exists in Ubuntu's GCC that adds the intrinsics to
> the earlier GCC version. I would like add that patch to our GCC 4.3.x
> (all of them so there is not suddenly a feature missing when one changes
> from one microversion to another). This has the potential for drastic
> effects on other recipes because a lot of programs (e.g. pulseaudio,
> llvm) check for the availability of the intrinsics and make use of them
> in that case.
> 
> I ask for comments here because I would also like to see this change
> move into OE stable later on. (The use case is to get OpenJDK with the
> Shark JIT compiler [llvm-based] to run on the bug20 hardware).

My first question: Has anyone tested it in an OE build yet?
My second question: When is all that openjdk stuff you keep talking
about ending up in OE? I know Henning keeps handwaving about it not
being ready, but after after waiting a year, is it ever going to be
deemed ready by the jalimo crew? Just merge it into OE now :)

regards,

Koen
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