upgraded compatibility
diff --git a/config.h.in b/config.h.in
index 0133b2b..799d891 100644
--- a/config.h.in
+++ b/config.h.in
@@ -6,12 +6,18 @@
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
+/* Define to 1 if you have the `iberty' library (-liberty). */
+#undef HAVE_LIBIBERTY
+
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `mergesort' function. */
#undef HAVE_MERGESORT
+/* Define to 1 if you have the `mkstemps' function. */
+#undef HAVE_MKSTEMPS
+
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
@@ -80,8 +86,8 @@
/* Define to `int64_t' if <sys/types.h> does not define. */
#undef intmax_t
-/* Define to `long' if <sys/types.h> does not define. */
+/* Define to `long int' if <sys/types.h> does not define. */
#undef off_t
-/* Define to `unsigned' if <sys/types.h> does not define. */
+/* Define to `unsigned int' if <sys/types.h> does not define. */
#undef size_t