>>>>> "M" == Manfred Hansen <manfred / toppoint.de> writes: M> ii libfox0.99 0.99.175-1 The FOX C++ GUI Toolkit ^^^^^^^^ You version of FOX is 0.99.175 M> /usr/bin/ruby /home/hansen/FXRuby-0.99.189/ext/fox/extconf.rb ^^^^^^^^ but you are trying to use FXRuby 0.99.189 M> The version number for this installation of FOX appears to be inconsistent M> with this release of FXRuby (0.99.189). There is a conflict between FOX and FXRuby, i.e. you must have the same version number for FOX and FXRuby Guy Decoux