Build problem when using all interfaces except Lua.
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 8da3a71..1dab501 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -129,8 +129,12 @@
static int check_more __ARGS((int, int));
static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
static void get_flags __ARGS((exarg_T *eap));
-#if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_PYTHON3) \
- || !defined(FEAT_TCL) || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
+#if !defined(FEAT_PERL) \
+ || !defined(FEAT_PYTHON) || !defined(FEAT_PYTHON3) \
+ || !defined(FEAT_TCL) \
+ || !defined(FEAT_RUBY) \
+ || !defined(FEAT_LUA) \
+ || !defined(FEAT_MZSCHEME)
# define HAVE_EX_SCRIPT_NI
static void ex_script_ni __ARGS((exarg_T *eap));
#endif