Hi Julien, On Fri 03 May 2019 at 22:17 Julien Lepiller wrote: > Is /usr/lib/ocaml/METAS referenced somewhere in the sources you're > trying to build? Checking this is indeed a good idea, but no, the path isn't referenced in the sources. > Maybe you could try setting these environment variables: > OCAMLFIND_DESTDIR= > and > OCAMLFIND_LDCONF=ignore > > that's what we do in the dune-build-system. The DESTDIR is used when installing files, isn't it? Here it seems to be rather a problem of source directory though. Gabriel