hush: fix 'defined but not used' warning

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/shell/hush.c b/shell/hush.c
index c1079306086e4b6ec86c16df447525ec8a915872..faff86d884326ec1e3ffcf5998fd392b84cb7699 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2182,11 +2182,13 @@ static void unset_vars(char **strings)
        free(strings);
 }
 
+#if ENABLE_FEATURE_SH_MATH || ENABLE_HUSH_BASH_COMPAT || ENABLE_HUSH_READ
 static void FAST_FUNC set_local_var_from_halves(const char *name, const char *val)
 {
        char *var = xasprintf("%s=%s", name, val);
        set_local_var(var, /*flags:*/ 0, /*lvl:*/ 0, /*ro:*/ 0);
 }
+#endif
 
 
 /*