+ else
+ $ls -1 $xxx > $$.tmp;
+ if $contains "\.xs$" $$.tmp > /dev/null 2>&1; then
+ known_extensions="$known_extensions $this_ext";
+ elif $contains "\.c$" $$.tmp > /dev/null 2>&1; then
+ known_extensions="$known_extensions $this_ext";
+ elif $test "$this_ext" = "IO/Compress"; then
+ known_extensions="$known_extensions $this_ext";
+ elif $test -d $xxx; then
+ nonxs_extensions="$nonxs_extensions $this_ext";
+ fi;
+ $rm -f $$.tmp;