+ ## Dissect the target name.
+ suite=${t%%-*} archs=${t#*-}
+ case $archs in
+ */*) target=${archs%/*} host=${archs#*/} ;;
+ *) target=$archs host=$archs; t=$suite-$target/$host ;;
+ esac
+ case $buildarchs_seen in
+ *:$target:*)
+ ;;
+ *)
+ buildarchs=${buildarchs+$buildarchs }$target
+ buildarchs_seen=$buildarchs_seen$target:
+ ;;
+ esac
+