Bug#1125102: deal.ii: FTBFS on arm64: collect2: fatal error: ld terminated with signal 6 [Aborted]

[Graham Inggs]

Hi Emanuele

On Wed, 14 Jan 2026 at 18:22, Emanuele Rocca <ema at debian.org> wrote:
> It seems that building without outline atomics is a possible workaround,
> so on arm64 you could try:
>
> export DEB_CXXFLAGS_MAINT_APPEND=-mno-outline-atomics

Thanks!

> The build times out for me, with an ld process maxing out one core for a
> long time, but at least I get no relocation failures!

Which version did you try to build?

Version 9.7.1-3~exp1 in experimental should use the mold linker, and
might avoid the time out.

Regards
Graham