Formerly variable.h.~6~

diff --git a/variable.h b/variable.h
index 68350b9cef7308422b1a196aba053f929b1d60e6..c9e6c2f2a5b0245d69774e7319404826c6ca2130 100644 (file)
--- a/variable.h
+++ b/variable.h
@@ -46,6 +46,7 @@ struct variable
       {
        v_export,               /* Export this variable.  */
        v_noexport,             /* Don't export this variable.  */
+       v_ifset,                /* Export it if it has a non-default value.  */
        v_default               /* Decide in target_environment.  */
       } export ENUM_BITFIELD (2);
   };