From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 13 Oct 2002 20:35:06 +0000 (+0000)
Subject: (b4_token_defines): Protect against double-inclusion
X-Git-Tag: BISON-1_75~15
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/6b8c32543638059d1fef0db2fa6c4c4d6c96ae34

(b4_token_defines): Protect against double-inclusion
by wrapping enum yytokentype's definition inside #ifndef
YYTOKENTYPE.  This undoes a bug I introduced on 2002-10-12.
---

diff --git a/data/c.m4 b/data/c.m4
index 21145a17..417ccd21 100644
--- a/data/c.m4
+++ b/data/c.m4
@@ -107,7 +107,8 @@ m4_define([b4_token_enum],
 m4_define([b4_token_defines],
 [m4_if([$@], [[]], [],
 [/* Tokens.  */
-#if defined (__STDC__) || defined (__cplusplus)
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
    /* Put the tokens into the symbol table, so that GDB and other debuggers
       know about them.  */
    enum yytokentype {