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(b4_token_defines): Protect against double-inclusion

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by wrapping enum yytokentype's definition inside #ifndef
YYTOKENTYPE.  This undoes a bug I introduced on 2002-10-12.
This commit is contained in:
Paul Eggert
2002-10-13 20:35:06 +00:00
parent 6fed0802ee
commit 6b8c325436
1 changed files with 2 additions and 1 deletions
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data/c.m4
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@@ -107,7 +107,8 @@ m4_define([b4_token_enum],
m4_define([b4_token_defines], m4_define([b4_token_defines],
[m4_if([$@], [[]], [], [m4_if([$@], [[]], [],
[/* Tokens. */ [/* Tokens. */
#if defined (__STDC__) || defined (__cplusplus) #ifndef YYTOKENTYPE
# define YYTOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers /* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */ know about them. */
enum yytokentype { enum yytokentype {