Andreas Enge <andreas@enge.fr> writes:

> How about non-sequencer?
>    http://hydra.gnu.org/build/725259/nixlog/1/tail-reload
>
> It fails with messages
> g++: error: unrecognized command line option ‘-msse2’
> g++: error: unrecognized command line option ‘-mfpmath=sse’
> g++: error: unrecognized command line option ‘-msse2’
> g++: error: unrecognized command line option ‘-mfpmath=sse’
> g++: error: unrecognized command line option ‘-msse2’
> g++: error: unrecognized command line option ‘-mfpmath=sse’
> g++: error: unrecognized command line option ‘-msse2’
> g++: error: unrecognized command line option ‘-mfpmath=sse’
>
> Shall we disable everything but x86_64?

No.  How about the attached patch?