On Sun, 18 Aug 2013 22:21:10 -0700 (PDT) Alec Ari <[email protected]> wrote:
> >Your error says SSE is disabled, probably because kbuild by default > > >disallows floating point operations in kernel space, normally unsafe. > > How do you override this? > > >You'll probably see a compiler arg like '-mno-sse2'. This behavior may > >be negated by adding '-msse' or maybe '-msse2' afterwards. > > > -msse -msse2 -msse3 without -ffast-math causes the same issue. I need > -ffast-math or it won't EVER compile. I've tried everything so far, without > -ffast-math I get the same error, every single time, but only on 64-bit with > RTAI. I think this was not the intention of the question. You should take a look at the _actual_ compiler commandline with make V=1 -- Michael
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