diff --git a/app/xfs/config.h.in b/app/xfs/config.h.in
index 001246e13..deb42a850 100644
--- a/app/xfs/config.h.in
+++ b/app/xfs/config.h.in
@@ -3,6 +3,33 @@
 /* Define to 1 if `struct sockaddr_in' has a `sin_len' member */
 #undef BSD44SOCKETS
 
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
 /* Support IPv6 for TCP connections */
 #undef IPv6
 
@@ -39,6 +66,9 @@
 /* Define as the return type of signal handlers (`int' or `void'). */
 #undef RETSIGTYPE
 
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
 /* Support TCP socket connections */
 #undef TCPCONN