+
+ case .$system in
+ .cygwin*)
+ variable=PATH
+ ;;
+ .beos*)
+ variable=LIBRARY_PATH
+ ;;
+ .darwin*)
+ variable=DYLD_LIBRARY_PATH
+ ;;
+ *)
+ variable=LD_LIBRARY_PATH
+ ;;
+ esac
+
+ eval 'test -z "$'$variable'" && '$variable'=":"'
+ eval $variable'="$q:$'$variable'"'
+ eval 'export '$variable