diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 48935f67a5..b8a7cbdf69 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -3363,6 +3363,22 @@ PATCHFILES=     patch1:test</programlisting>
 		  <makevar>USE_SDL</makevar>.</entry>
 	      </row>
 
+	      <row>
+	        <entry><makevar>USE_GCC</makevar></entry>
+
+		<entry>The port requires a specific version of
+		  <command>gcc</command> to build.  The exact version can be
+		  specified with value such as <literal>3.2</literal>.
+		  The minimal required version can be specified as
+		  <literal>3.2+</literal>.  The <command>gcc</command> from
+		  the base system is used when it satisfies the requested
+		  version, otherwise an appropriate <command>gcc</command> is
+		  compiled from ports and the <makevar>CC</makevar> and
+		  <makevar>CXX</makevar> variables are adjusted.
+		  <makevar>USE_GCC</makevar> can't be used together with
+		  <makevar>USE_LIBTOOL_VER</makevar>.</entry>
+	      </row>
+
 	      <row>
 		<entry><makevar>NO_INSTALL_MANPAGES</makevar></entry>