[qtopia & openmoko]can't compile gnuboy

[arne anka]

> cc1: warning: -f[no-]force-mem is nop and option will be removed in 4.2

that's only a warning, should be save to ignore.

> In file included from sys/linux/joy.c:6:
> /usr/include/linux/joystick.h:131: error: expected  
> specifier-qualifier-list
> before '__s64'

google has a few hits for that:
> http://www.mail-archive.com/lfs-dev@linuxfromscratch.org/msg08533.html
> http://www.linuxquestions.org/questions/slackware-14/missing-prerequisite-headers-596947/?s=ec4b18f0554ce5978836267aebcae420

seems to be some issue with amd64 and ansi, if the assumptions of the  
links still hold true.
might be sensible, to let configure disable joystick?