#define SUPPORT_LINKS HAVE_READLINK
#define SUPPORT_HARD_LINKS HAVE_LINK
+/* This could be bad on systems which have no lchown and where chown
+ * follows symbollic links. On such systems it might be better not to
+ * try to chown symlinks at all. */
#ifndef HAVE_LCHOWN
#define lchown chown
#endif
#ifndef HAVE_INET_PTON
int isc_net_pton(int af, const char *src, void *dst);
#endif
+
+#ifdef __GNUC__
+# define UNUSED(x) x __attribute__((__unused__))
+#else
+# define UNUSED(x) x
+#endif /* ndef __GNUC__ */