build: restore C90 compatibility

[bison.git] / data / c++.m4

diff --git a/data/c++.m4 b/data/c++.m4
index 7e00aad994f1c04f30658bb9c190e5f4b5e0522a..b034a4a629e66bb33f5d980e26d982b5917544c0 100644 (file)
--- a/data/c++.m4
+++ b/data/c++.m4
@@ -117,10 +117,10 @@ m4_define([b4_token_enums],
 # Declare semantic_type.
 m4_define([b4_semantic_type_declare],
 [    /// Symbol semantic values.
-m4_ifdef([b4_stype],
+m4_ifdef([b4_union_members],
 [    union semantic_type
     {
-b4_user_stype
+b4_user_union_members
     };],
 [m4_if(b4_tag_seen_flag, 0,
 [[    typedef int semantic_type;]],