Re: Bug#1017538: dietlibc: FTBFS on armhf: selected processor does not support vldm in ARM mode
On Wed, Aug 17, 2022 at 7:28 PM Thorsten Glaser <tg@mirbsd.de> wrote:
>
> tags 1017538 + help
> forwarded 1017538 https://lists.debian.org/debian-arm/2022/07/msg00041.html
> thanks
>
> Hi Sebastian,
>
> instead of filing a bug with the information we already have…
>
> >arm/__longjmp.S: Assembler messages:
> >arm/__longjmp.S:9: Error: selected processor does not support `vldm ip!,{d0-d15}' in ARM mode
>
> … you could maybe have considered answering the question I posed
> on the Debian ARM mailing list about *why* it fails because nothing
> related to ARM was changed in the package or code.
>
> So something in the toolchain(?) must have changed since the last
> successful build (what?) which we need to locally revert.
The way the FPU type gets selected in gcc changed with recent versions,
this was intentional and won't be reverted but it did break packages that
used the old method. In most cases, it's sufficient to pass
-march=armv7-a+fp instead of -march=armv7-a to pick the right
instruction set.
Arnd
Reply to: