Use AX_CXX_COMPILE_STDCXX_11 macro to force C++11 compilation.

[ginac.git] / ginsh / ginsh.h

diff --git a/ginsh/ginsh.h b/ginsh/ginsh.h
index fdf9e08b064317a2ff784c4c8578295e774a2a40..9b2d0d4cab2a4e8ebd5cb03a85f833ab2ea870f6 100644 (file)
--- a/ginsh/ginsh.h
+++ b/ginsh/ginsh.h
@@ -2,7 +2,7 @@
  *
  *  Global definitions for ginsh.
  *
- *  GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -56,7 +56,7 @@ using namespace GiNaC;
 #define YYSTYPE ex
 
 // lex functions/variables
-extern int yyerror(char *s);
+extern int yyerror(const char *s);
 extern int yylex(void);
 extern char *yytext;
 extern FILE *yyin;