Also if BUILD_LUA

configure.ac

@@ -1766,7 +1766,6 @@ then
     ])
   if test "x${have_lua}" = "xyes" ;  then
      AC_DEFINE(HAVE_LUA, 1, [Define if you have the lua library])
-     VLC_ADD_PLUGIN([lua])
      VLC_ADD_LIBS([lua],[$LUA_LIBS])
      VLC_ADD_CFLAGS([lua],[$LUA_CFLAGS])
   fi

modules/misc/Modules.am

-SUBDIRS = dummy lua memcpy notify testsuite playlist osd xml probe
+SUBDIRS = dummy memcpy notify testsuite playlist osd xml probe
+DIST_SUBDIRS = lua $(SUBDIRS)
+
+if BUILD_LUA
+SUBDIRS += lua
+endif
+
 SOURCES_gtk_main = gtk_main.c
 SOURCES_gnome_main = gtk_main.c
 SOURCES_gtk2_main = gtk_main.c

modules/misc/lua/Modules.am

 SOURCES_lua = playlist.c meta.c intf.c vlc.c vlc.h callbacks.c objects.c variables.c configuration.c net.c vlm.c httpd.c acl.c sd.c
+
+libvlc_LTLIBRARIES += liblua_plugin.la