On Fri, 11 Sep 2015 08:40:24 +0200, Tito Latini wrote: >Probably the version of your bison(te) is 2.x When I build linuxsampler from svn successfully bison indeed was > 2.x. [rocketmouse at archlinux ~]$ grep bison /var/log/pacman.log | grep 2015 [2015-01-28 17:28] [ALPM] upgraded bison (3.0.2-1 -> 3.0.4-1)