On 2014-01-27 20:30, Andreas Tille wrote: > Hi, > > does anybody have a clue how to fix this C++ issue? > > Kind regards > > Andreas. > It is not a C++ issue, but a change in bison you are looking at. I had a similar issue with mscgen not too long ago[1]. ~Niels [1] http://packages.qa.debian.org/m/mscgen/news/20131229T131907Z.html