having a hard time to get opam working properly on my Linux mint system.
For example: if I try to run
opam install eigen
I am getting following error:
#=== ERROR while compiling ocamlfind.1.8.0 ====================================#
context 2.0.4 | linux/x86_64 | base-bigarray.base base-threads.base base-unix.base ocaml-system.4.10.0+dev0-2019-04-23 | https://opam.ocaml.org/#b209c229
command ~/.opam/opam-init/hooks/sandbox.sh build ./configure -bindir /home/florian/.opam/system/bin -sitelib /home/florian/.opam/system/lib -mandir /home/florian/.opam/system/man -config /home/florian/.opam/system/lib/findlib.conf -no-custom -no-topfind
Welcome to findlib version 1.8.0
Checking for #remove_directory…
Testing threading model…
The -vmthread switch is not supported: Your ocaml version is too old!
I have tried with Ocaml 4.10.0 and 4.05.0.
Interestingly when I try:
The -vmthread argument of ocamlc is no longer supported
since OCaml 4.09.0. Please switch to system threads, which have the
same API. Lightweight threads with VM-level scheduling are provided by
third-party libraries such as Lwt, but with a different
Does anyone have an idea how to get Opam working?
Thanks a lot in advance!