On Sat, May 13, 2017 at 03:46:08AM +0000, coypu%sdf.org@localhost wrote: > -#define __RCSID(_s) __IDSTRING(rcsid,_s) This line does nothing, because if it did, there would be a build failure. rcsid is not defined anywhere, it only works because RCSID is defined in asm.h for every ISA.