https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109818
--- Comment #20 from Jonathan Wakely <redi at gcc dot gnu.org> --- Created attachment 55070 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55070&action=edit Patch to make cmath configure tests more granular Something like this might work, but it's horrible.