+ <term><option>-fwarn-unrecognised-pragmas</option>:</term>
+ <listitem>
+ <indexterm><primary><option>-fwarn-unrecognised-pragmas</option></primary>
+ </indexterm>
+ <indexterm><primary>warnings</primary></indexterm>
+ <indexterm><primary>pragmas</primary></indexterm>
+ <para>Causes a warning to be emitted when a
+ pragma that GHC doesn't recognise is used. As well as pragmas
+ that GHC itself uses, GHC also recognises pragmas known to be used
+ by other tools, e.g. <literal>OPTIONS_HUGS</literal> and
+ <literal>DERIVE</literal>.</para>
+
+ <para>This option is on by default.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>