$FreeBSD$

--- config/rules.def.orig
+++ config/rules.def
@@ -1054,6 +1054,9 @@
  * Install header files on Linux.
  */
 
+#define InstallIncludes(dir)						@@\
+install::
+
 #ifndef InstallIncludes
 #if InstallRelative
 #define InstallIncludes(dir)						@@\
@@ -1071,6 +1074,8 @@
 #endif
 #endif
 
+#define InstallInclude(dir, file)					@@\
+install::
 #ifndef InstallInclude
 #if InstallRelative
 #define InstallInclude(dir, file)					@@\