In the example of how to hint configure at the location of gettext,

allow for complex CPPFLAGS and LDFLAGS made up at more than one place
in port's Makefile.

Pointed out by:	dinoex

en_US.ISO8859-1/books/porters-handbook/book.sgml

@@ -4634,6 +4634,17 @@ PORTVERSION=   1.0</programlisting>
 	  <envar>CPPFLAGS</envar> and <envar>LDFLAGS</envar> as
 	  follows:</para>
 
+	<programlisting>USE_GETTEXT=    yes
+CPPFLAGS+=      -I${LOCALBASE}/include
+LDFLAGS+=       -L${LOCALBASE}/lib
+
+GNU_CONFIGURE=  yes
+CONFIGURE_ENV=  CPPFLAGS="${CPPFLAGS}" \
+                LDFLAGS="${LDFLAGS}"</programlisting>
+
+	<para>Of course, the code can be more compact if there are no
+	  more flags to pass to <command>configure</command>:</para>
+
 	<programlisting>USE_GETTEXT=    yes
 GNU_CONFIGURE=  yes
 CONFIGURE_ENV=  CPPFLAGS="-I${LOCALBASE}/include" \