On Fri, 16 Oct 2020 at 15:22, Henri Cloetens wrote: > > Hello all, > > I am working on a custom port of GCC, and now I am trying to compile > newlib with it. > > Today, I ran in an error message, because my custom port does not handle > double. > > Now, yes, that is quite normal, as the processor does not support > floating point. > > Q. How should I resolve this ?. Is there any way to tell newlib > configure there is no double, > and there should be no routines using it ?. I think there is probably a way to do that, but you should ask on a newlib mailing list. newlib is not part of GCC.