+#define TAR_OPT_LZMA (1 << (TAR_OPT_AFTER_BZIP2))
+#ifdef CONFIG_FEATURE_TAR_LZMA
+# define TAR_OPT_STR_LZMA "a"
+# define TAR_OPT_AFTER_LZMA TAR_OPT_AFTER_BZIP2 + 1
+#else
+# define TAR_OPT_STR_LZMA ""
+# define TAR_OPT_AFTER_LZMA TAR_OPT_AFTER_BZIP2
+#endif
+
+#define TAR_OPT_INCLUDE_FROM (1 << (TAR_OPT_AFTER_LZMA))
+#define TAR_OPT_EXCLUDE_FROM (1 << (TAR_OPT_AFTER_LZMA + 1))
+#ifdef CONFIG_FEATURE_TAR_FROM
+# define TAR_OPT_STR_FROM "T:X:"
+# define TAR_OPT_AFTER_FROM TAR_OPT_AFTER_LZMA + 2
+#else
+# define TAR_OPT_STR_FROM ""
+# define TAR_OPT_AFTER_FROM TAR_OPT_AFTER_LZMA
+#endif
+
+#define TAR_OPT_GZIP (1 << (TAR_OPT_AFTER_FROM))
+#ifdef CONFIG_FEATURE_TAR_GZIP
+# define TAR_OPT_STR_GZIP "z"
+# define TAR_OPT_AFTER_GZIP TAR_OPT_AFTER_FROM + 1
+#else
+# define TAR_OPT_STR_GZIP ""
+# define TAR_OPT_AFTER_GZIP TAR_OPT_AFTER_FROM
+#endif
+
+#define TAR_OPT_UNCOMPRESS (1 << (TAR_OPT_AFTER_GZIP))
+#ifdef CONFIG_FEATURE_TAR_COMPRESS
+# define TAR_OPT_STR_COMPRESS "Z"
+# define TAR_OPT_AFTER_COMPRESS TAR_OPT_AFTER_GZIP + 1
+#else
+# define TAR_OPT_STR_COMPRESS ""
+# define TAR_OPT_AFTER_COMPRESS TAR_OPT_AFTER_GZIP
+#endif
+
+#define TAR_OPT_NOPRESERVE_OWN (1 << (TAR_OPT_AFTER_COMPRESS))
+#define TAR_OPT_NOPRESERVE_PERM (1 << (TAR_OPT_AFTER_COMPRESS + 1))
+#define TAR_OPT_STR_NOPRESERVE "\203\213"
+#define TAR_OPT_AFTER_NOPRESERVE TAR_OPT_AFTER_COMPRESS + 2
+
+static const char tar_options[]="txC:f:Opvk" \
+ TAR_OPT_STR_CREATE \
+ TAR_OPT_STR_BZIP2 \
+ TAR_OPT_STR_LZMA \
+ TAR_OPT_STR_FROM \
+ TAR_OPT_STR_GZIP \
+ TAR_OPT_STR_COMPRESS \
+ TAR_OPT_STR_NOPRESERVE;
+
+#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS
+static const struct option tar_long_options[] = {
+ { "list", 0, NULL, 't' },
+ { "extract", 0, NULL, 'x' },
+ { "directory", 1, NULL, 'C' },
+ { "file", 1, NULL, 'f' },
+ { "to-stdout", 0, NULL, 'O' },
+ { "same-permissions", 0, NULL, 'p' },
+ { "verbose", 0, NULL, 'v' },
+ { "keep-old", 0, NULL, 'k' },
+ { "no-same-owner", 0, NULL, '\203' },
+ { "no-same-permissions",0, NULL, '\213' },
+# ifdef CONFIG_FEATURE_TAR_CREATE
+ { "create", 0, NULL, 'c' },
+ { "dereference", 0, NULL, 'h' },
+# endif
+# ifdef CONFIG_FEATURE_TAR_BZIP2
+ { "bzip2", 0, NULL, 'j' },
+# endif
+# ifdef CONFIG_FEATURE_TAR_LZMA
+ { "lzma", 0, NULL, 'a' },
+# endif
+# ifdef CONFIG_FEATURE_TAR_FROM
+ { "files-from", 1, NULL, 'T' },
+ { "exclude-from", 1, NULL, 'X' },
+ { "exclude", 1, NULL, '\n' },
+# endif
+# ifdef CONFIG_FEATURE_TAR_GZIP
+ { "gzip", 0, NULL, 'z' },
+# endif
+# ifdef CONFIG_FEATURE_TAR_COMPRESS
+ { "compress", 0, NULL, 'Z' },
+# endif
+ { 0, 0, 0, 0 }
+};
+#else
+#define tar_long_options 0
+#endif