Avoid multiple definitions of `lst::info` (MinGW compile fix)

[ginac.git] / ginac / lst.cpp

diff --git a/ginac/lst.cpp b/ginac/lst.cpp
index 6dd83082e4663969864a920a6ee405890653265f..9397e351816005d09308a6a17068b43310371912 100644 (file)
--- a/ginac/lst.cpp
+++ b/ginac/lst.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's lst. */
 
 /*
- *  GiNaC Copyright (C) 1999-2020 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2021 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
@@ -38,6 +38,7 @@ template <> bool lst::info(unsigned inf) const
                return inherited::info(inf);
 }
 
+template bool container<std::list>::info(unsigned) const;
 GINAC_BIND_UNARCHIVER(lst);
 
 } // namespace GiNaC