Hi, 2014-11-24 16:36 GMT+01:00 Jürgen E. <jef at norbit.de>: > flex NEWS says "Support for reentrant C scanners has been added" for 2.5.6 > > I use flex from cygwin on Windows. thanks, it solved my problem! Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.eu/mentors/landa