Setting a t- file with that flag doesn't fix it, same error. Also, as far as I can tell, that flag is a no-op other than undoing the other CLI flags.
On Thu, Sep 18, 2025 at 15:00 H.J. Lu <hjl.to...@gmail.com> wrote: > On Thu, Sep 18, 2025 at 11:51 AM connor horman <chorma...@gmail.com> > wrote: > > > > FTR, using __float80 directly works. > > See -mlong-double-80 in libgcc/config/i386/t-linux > > -- > H.J. >