diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 01cdfe8692..6f66ee18a5 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -4161,6 +4161,25 @@ LDCONFIG_DIRS=  %%PREFIX%%/lib/foo %%PREFIX%%/lib/bar</programlisting>
 	list of these variables</ulink> exists within the FreeBSD/GNOME
 	project's homepage.</para>
 
+      <note>
+	<para>Your port doesn't need to depend on GNOME if it merely installs
+	  <application>pkg-config</application> metadata files to
+	  <filename><makevar>PREFIX</makevar>/libdata/pkgconfig</filename>.
+	  As usual, your port should be prepared to clean up after itself
+	  and remove that directory if it becomes empty.
+	  Assuming that your port installs a file named
+	  <filename>gtkmumble.pc</filename> to the said location, just add
+	  the following lines to <filename>pkg-plist</filename>:</para>
+
+	<programlisting>libdata/pkgconfig/gtkmumble.pc
+@unexec rmdir %B 2>/dev/null || true</programlisting>
+
+	<para>The latter line must appear immediately after the former one
+	  so that <literal>%B</literal> expands correctly.  Please refer
+	  to &man.pkg.create.1; for a detailed description of the syntax
+	  used in <filename>pkg-plist</filename>.</para>
+      </note>
+
     </sect1>
 
     <sect1 id="using-kde">