bug#8694: Configure on mips

[James William Cronin]

When running automake generated configure scripts on an 
embeded mips based moded box (the Humax HD T2) - see 
www.hummypkg.org the generated make files contain a two 
letter addition to all variables followed by an @. (e.g. 
LL@, KK@ ir@ etc) The two additional letters seem to have 
some (although not uniformaly) resembelance to the 
preceding text.

Its basicly running busybox ontop of linux kernal 2.6.18

I am only passing --build=mips-unknown-linux-gnu to the 
scrip.

James