diff --git a/include/config.h.in b/include/config.h.in
index 4da1baf..4f1b63e 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -242,12 +242,18 @@
 /* Define if Linux-style gethostbyname_r and gethostbyaddr_r are available */
 #undef HAVE_LINUX_GETHOSTBYNAME_R_6
 
+/* Define to 1 if you have the <linux/hdreg.h> header file. */
+#undef HAVE_LINUX_HDREG_H
+
 /* Define to 1 if you have the <linux/input.h> header file. */
 #undef HAVE_LINUX_INPUT_H
 
 /* Define to 1 if you have the <linux/joystick.h> header file. */
 #undef HAVE_LINUX_JOYSTICK_H
 
+/* Define to 1 if you have the <linux/major.h> header file. */
+#undef HAVE_LINUX_MAJOR_H
+
 /* Define to 1 if you have the <linux/param.h> header file. */
 #undef HAVE_LINUX_PARAM_H
 
@@ -350,6 +356,9 @@
 /* Define to 1 if you have the <sched.h> header file. */
 #undef HAVE_SCHED_H
 
+/* Define to 1 if you have the <scsi/sg.h> header file. */
+#undef HAVE_SCSI_SG_H
+
 /* Define to 1 if you have the `select' function. */
 #undef HAVE_SELECT