Fix readline.pc that incorrectly referenced termcap

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11814 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/changelog.xml

@@ -45,6 +45,11 @@
     <listitem>
       <para>2020-04-19</para>
       <itemizedlist>
+        <listitem>
+          <para>[pierre] - Prevent readline.pc from referencing termcap as
+          a private library by adding --with-curses to configure switches.
+          Fixes <ulink url="&lfs-ticket-root;4635">#4635</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[pierre] - Allow bison to use the libtextstyle.so library from
           gettext, by moving gettext before bison. Fixes

chapter06/readline.xml

@@ -53,8 +53,24 @@ sed -i '/{OLDSUFF}/c:' support/shlib-install</userinput></screen>
 
 <screen><userinput remap="configure">./configure --prefix=/usr    \
             --disable-static \
+            --with-curses    \
             --docdir=/usr/share/doc/readline-&readline-version;</userinput></screen>
 
+     <variablelist>
+      <title>The meaning of the configure option:</title>
+
+      <varlistentry>
+        <term><parameter>--with-curses"</parameter></term>
+        <listitem>
+          <para>This option tells Readline that it can find the termcap
+	   library functions in the curses library, rather than a separate
+	   termcap library. It allows generating a correct
+	   <filename>readline.pc</filename> file.</para>
+        </listitem>
+      </varlistentry>
+
+    </variablelist>
+
     <para>Compile the package:</para>
 
 <screen><userinput remap="make">make SHLIB_LIBS="-L/tools/lib -lncursesw"</userinput></screen>