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C++ Standard library support in Morello linux pure-cap

PeteD

Hi

I noted from a previous post (7 months ago) that support for linux pure-cap libc++ was not yet available - is this now available?  If so please can you advise how to get it?

It appears that the morello aarch64 linux pure-cap toolchain only has the MUSL CRT libraries built for aarch64 purecap, the C++ libs are aarch64 only.

Note that I downloaded the build artefact https://git.morello-project.org/morello/musl-libc/-/jobs/artifacts/morello/master/download?job=build-musl-aarch64 ... perhaps some other artefact now has the needed support?

Thanks

Pete

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  • 0 Arm Employee Badge in reply to PeteD

    Hi Pete, thanks for the detailed report! We've made some updates on the Musl side and if you rebuild it from the top of the "morello/master" branch, you should get two improvements:

    1. The need for extra env vars for installing kernels from source has been removed: we now download kernel headers for Morello and just unpack them.
    2. With a fix to Musl dynamic linker, exceptions in C++ should now work in static binaries.

    Hope this helps!

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  • 0 Arm Employee Badge in reply to PeteD

    Hi Pete, thanks for the detailed report! We've made some updates on the Musl side and if you rebuild it from the top of the "morello/master" branch, you should get two improvements:

    1. The need for extra env vars for installing kernels from source has been removed: we now download kernel headers for Morello and just unpack them.
    2. With a fix to Musl dynamic linker, exceptions in C++ should now work in static binaries.

    Hope this helps!

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