53 lines
1.3 KiB
Nix
53 lines
1.3 KiB
Nix
{ lib, stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild, menhir, menhirLib, yojson, ulex, pprint, fix, functory }:
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if lib.versionAtLeast ocaml.version "4.06"
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then throw "mezzo is not available for OCaml ${ocaml.version}"
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else
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let
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check-ocaml-version = with lib; versionAtLeast (getVersion ocaml);
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in
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assert check-ocaml-version "4";
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stdenv.mkDerivation {
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pname = "mezzo";
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version = "0.0.m8";
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src = fetchFromGitHub {
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owner = "protz";
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repo = "mezzo";
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rev = "m8";
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sha256 = "0yck5r6di0935s3iy2mm9538jkf77ssr789qb06ms7sivd7g3ip6";
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};
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buildInputs = [ ocaml findlib ocamlbuild yojson menhir menhirLib ulex pprint fix functory ];
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# Sets warning 3 as non-fatal
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prePatch = lib.optionalString (check-ocaml-version "4.02") ''
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substituteInPlace myocamlbuild.pre.ml \
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--replace '@1..3' '@1..2+3'
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''
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# Compatibility with PPrint ≥ 20220103
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+ ''
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substituteInPlace typing/Fact.ml --replace PPrintOCaml PPrint.OCaml
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'';
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createFindlibDestdir = true;
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postInstall = ''
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mkdir $out/bin
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cp mezzo $out/bin/
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'';
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meta = with lib; {
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homepage = "http://protz.github.io/mezzo/";
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description = "A programming language in the ML tradition, which places strong emphasis on the control of aliasing and access to mutable memory";
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license = licenses.gpl2;
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platforms = ocaml.meta.platforms or [];
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};
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}
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