Let's focus on 8.23 as 8.21 is pretty old....

On 06/04/2015 09:41 AM, Michael Felt wrote:
>   GEN      src/coreutils.h
> /bin/sh: 0403-057 Syntax error at line 1 : `;' is not expected.

Ah, thanks, that's a bug in the build procedure, which I have fixed by 
pushing the attached patch.  Please give it a try.