diff --git a/arch/unix/unix.c b/arch/unix/unix.c
index 2da7a77..fe62894 100644
--- a/arch/unix/unix.c
+++ b/arch/unix/unix.c
@@ -59,6 +59,10 @@ int diskemu;
 static int segfault = 0;
 int verbose = 0;
 
+#ifdef CONFIG_PPC
+uint32_t isa_io_base;
+#endif
+
 int errno_int;	/* implement for fs drivers, needed to build on Mac OS X */
 
 #if 0
diff --git a/config/examples/ppc_config.xml b/config/examples/ppc_config.xml
index 3346357..ff868dd 100644
--- a/config/examples/ppc_config.xml
+++ b/config/examples/ppc_config.xml
@@ -11,7 +11,7 @@
   <option name="CONFIG_BIG_ENDIAN" type="boolean" value="true"/>
 
   <!-- Build hosted UNIX Binary -->
-  <option name="CONFIG_HOST_UNIX" type="boolean" value="false"/>
+  <option name="CONFIG_HOST_UNIX" type="boolean" value="true"/>
   <option name="CONFIG_UNIX_QT" type="boolean" value="false"/>
   <option name="CONFIG_PLUGINS" type="boolean" value="false"/>