Bug#947500: Missing -latomic on mipsel & armel only?

On 27.12.19 18:35, Julien Puydt wrote:
> Package: g++-9
> Version: 9.2.1-21
> 
> I have a package which fails to build on both Debian armel and mipsel
> with this g++ package, and with the same error:
> /usr/bin/ld: ./.libs/libfplll.so: undefined reference to
> `__atomic_store_8'
> /usr/bin/ld: ./.libs/libfplll.so: undefined reference to
> `__atomic_load_8'
> 
> which point to a missing -latomic somewhere. Since all other arches
> compiled nicely, I think the package is correct and the compiler makes
> something wrong in those cases, but I might err.

This is not a bug. You might want to link that unconditionally, however I'd
prefer if this would be an upstream patch, only linking when needed.