-/* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
- * but I want to save a few bytes here */
-extern const char bb_PATH_root_path[] ALIGN1; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
+/* allow default system PATH to be extended via CFLAGS */
+#ifndef BB_ADDITIONAL_PATH
+#define BB_ADDITIONAL_PATH ""
+#endif
+#define BB_PATH_ROOT_PATH "PATH=/sbin:/usr/sbin:/bin:/usr/bin" BB_ADDITIONAL_PATH
+extern const char bb_PATH_root_path[] ALIGN1; /* BB_PATH_ROOT_PATH */