Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 23b9b9012449728d998cfdbaf89e90717784115d..3add5b27dfc3929580014383f4c3135fbafb1df2 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -224,7 +224,7 @@ b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
 
 /* Enabling traces.  */
 #ifndef YYDEBUG
-# define YYDEBUG ]b4_debug_flag[
+# define YYDEBUG ]b4_debug_if([1], [0])[
 #endif
 
 /* Enabling verbose error messages.  */
@@ -232,7 +232,7 @@ b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
 # undef YYERROR_VERBOSE
 # define YYERROR_VERBOSE 1
 #else
-# define YYERROR_VERBOSE ]b4_error_verbose_flag[
+# define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
 #endif
 
 /* Enabling the token table.  */