On Fri, 15 Jan 2021, 07:39 Sebastian Huber, < sebastian.hu...@embedded-brains.de> wrote:
> On 14/01/2021 15:16, Sebastian Huber wrote: > > > Hello, > > > > I try to add a nios2 multilib to support the "Nios II Floating Point > > Hardware 2 Component": > > > > > https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_nios2_custom_instruction.pdf > > > > > > If I add all custom instructions supported by the component, then I > > get an error in libatomic since -Werror is used: > > > > cc1: error: switch '-mcustom-fmins' has no effect unless > > '-ffinite-math-only' is specified [-Werror] > > cc1: error: switch '-mcustom-fmaxs' has no effect unless > > '-ffinite-math-only' is specified [-Werror] > > cc1: error: switch '-mcustom-round' has no effect unless > > '-fno-math-errno' is specified [-Werror] > > > > I am not sure how to fix this. > Is a compiler warning the right diagnostic for an inconsistent use of > compiler options? This warning is not related to code processed by GCC. > But the options are part of the input provided by the user. I think a warning is appropriate (and I'm not sure what other sensible options there are anyway).
