--- gnulib/lib/error.c.orig	Sat Jul 21 10:10:38 2007
+++ gnulib/lib/error.c	Mon Sep 24 20:38:36 2007
@@ -121,15 +121,16 @@
   s = strerror (errnum);
 #endif
 
-#if !_LIBC
-  if (! s)
-    s = _("Unknown system error");
-#endif
-
 #if _LIBC
   __fxprintf (NULL, ": %s", s);
 #else
-  fprintf (stderr, ": %s", s);
+  if (s)
+    fprintf (stderr, ": %s", s);
+  else
+    {
+      s = _("Unknown system error");
+      fprintf (stderr, ": %s (errno=%d)", s, errnum);
+    }
 #endif
 }