M S wrote: > I can launch r.terraflow in GRASS 6.4, but not in 6.5. (on kubuntu > 9.10). 6.4 came from ubuntuGIS, which seems fine, however, 6.5 was > compiled from source. > > Error message when launching the GUI is "Error - Couldn't execute > "r.terraflow": no such file or directory". Have you configured --with-cxx ?