Could not build new xorg with FreeBSD10-Beta3

[Juanitou]

> I am encountering the same problem again and again when I try to build
> new xorg (1.12.4). It dies with error as of below:
>

Ah, but I did not installed this version, which comes from the 
experimental repository, isn’t it? I just installed the standard version 
coming from ports (1.7.7). The AMD GPUs wiki page does not say anything 
about updating xorg-server to 1.12.4.