* plugin.c: Produce empty object if not BFD_SUPPORTS_PLUGINS.

bfd/ChangeLog

@@ -1,3 +1,7 @@
+2009-10-23  Alan Modra  <amodra@bigpond.net.au>
+
+	* plugin.c: Produce empty object if not BFD_SUPPORTS_PLUGINS.
+
 2009-10-20  Alan Modra  <amodra@bigpond.net.au>
 
 	PR binutils/10802

bfd/plugin.c

@@ -20,6 +20,10 @@
    MA 02110-1301, USA.  */
 
 #include "config.h"
+#include "bfd.h"
+
+#if BFD_SUPPORTS_PLUGINS
+
 #include <assert.h>
 #include <dlfcn.h>
 #include <stdarg.h>
@@ -492,3 +496,4 @@ const bfd_target plugin_vec =
 
   NULL  			/* backend_data.  */
 };
+#endif /* BFD_SUPPORTS_PLUGIN */