#!/bin/sh
-ls -1 `sed -n '/^#define/{s/.*BB_// ; s/$/.c/p; }' busybox.def.h | \
-tr [:upper:] [:lower:]` 2> /dev/null | sed -e 's/\.c$/\.o/g'
-
+sed -n -e 's/^#define.*BB_FEATURE.*$//g;y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/;' \
+ -e '/^#define/{s/.*bb_//;s/$/.o/p;}' busybox.def.h