Hi Theodoros, Theodoros Foradis skribis: > * gnu/packages/engineering.scm (freehdl): > [arguments] : Add patch-gvhdl and patch-freehdl-gennodes phases. > Wrap-program "/bin/gvhdl" in make-wrapper phase. > [inputs]: Add guile-2.2. Applied with this change, which makes sure we’re referring to the right “guile”: