<para>GHC (mostly) conforms to the Haskell 98 Foreign Function Interface
Addendum 1.0, whose definition is available from <ulink url="http://www.haskell.org/"><literal>http://www.haskell.org/</literal></ulink>.</para>
- <para>To enable FFI support in GHC, give the <option>-fffi</option><indexterm><primary><option>-fffi</option></primary>
- </indexterm> flag, or
-the <option>-fglasgow-exts</option><indexterm><primary><option>-fglasgow-exts</option></primary>
- </indexterm> flag which implies <option>-fffi</option>
-.</para>
+ <para>To enable FFI support in GHC, give the <option>-XForeignFunctionInterface</option><indexterm><primary><option>-XForeignFunctionInterface</option></primary>
+ </indexterm> flag.</para>
<para>GHC implements a number of GHC-specific extensions to the FFI
Addendum. These extensions are described in <xref linkend="ffi-ghcexts" />, but please note that programs using