diff options
Diffstat (limited to 'pkgs/development/compilers/mezzo/default.nix')
| -rw-r--r-- | pkgs/development/compilers/mezzo/default.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/development/compilers/mezzo/default.nix b/pkgs/development/compilers/mezzo/default.nix index 79dc479fae83..c0b535747133 100644 --- a/pkgs/development/compilers/mezzo/default.nix +++ b/pkgs/development/compilers/mezzo/default.nix @@ -1,5 +1,9 @@ { stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild, menhir, yojson, ulex, pprint, fix, functory }: +if stdenv.lib.versionAtLeast ocaml.version "4.06" +then throw "mezzo is not available for OCaml ${ocaml.version}" +else + let check-ocaml-version = with stdenv.lib; versionAtLeast (getVersion ocaml); in |