--- configure.ac	(Asterisk 13.6.0)
+++ configure.ac	(working copy)
@@ -220,13 +220,9 @@
 
-AH_TOP(
-#ifndef ASTERISK_AUTOCONFIG_H
+AH_TOP([#ifndef ASTERISK_AUTOCONFIG_H
 #define ASTERISK_AUTOCONFIG_H
+/* IWYU pragma: private, include "asterisk.h" */
 
-#include "asterisk/buildopts.h"
+#include "asterisk/buildopts.h"])
 
-)
-
-AH_BOTTOM(
-#endif
-)
+AH_BOTTOM([#endif	/* ASTERISK_AUTOCONFIG_H */])
 
--- include/asterisk/compat.h	(Asterisk 13.6.0)
+++ include/asterisk/compat.h	(working copy)
@@ -17,6 +17,8 @@
 
-#include "asterisk/compiler.h"
-
 #ifndef _COMPAT_H
 #define _COMPAT_H
+/* IWYU pragma: private, include "asterisk.h" */
+/* IWYU pragma: begin_exports */
+
+#include "asterisk/compiler.h"
 
@@ -232,4 +234,4 @@
 #define NAN (0.0/0.0)
 #endif
-
+/* IWYU pragma: end_exports */
 #endif
--- include/asterisk/astmm.h	(Asterisk 13.6.0)
+++ include/asterisk/astmm.h	(working copy)
@@ -32,2 +32,3 @@
 #define _ASTERISK_ASTMM_H
+/* IWYU pragma: private, include "asterisk/utils.h" */