%{
+#include <config.h>
+
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "parser.hpp"
#include "globals.hpp"
+// there seems to be a bug in flex that adds some ECHO directives
+// in some rules, we don't need debug output
+#define ECHO {}
+
#define YY_NEVER_INTERACTIVE 1
#define YY_DECL int yylex(YYSTYPE* yylval)