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{
lib,
stdenv,
fetchFromGitHub,
ocaml,
findlib,
ocamlbuild,
camlp4,
menhir,
menhirLib,
yojson,
ulex,
pprint,
fix,
functory,
}:
let
check-ocaml-version = lib.versionAtLeast (lib.getVersion ocaml);
in
assert check-ocaml-version "4";
stdenv.mkDerivation {
pname = "mezzo";
version = "0.0.m8";
src = fetchFromGitHub {
owner = "protz";
repo = "mezzo";
rev = "m8";
sha256 = "0yck5r6di0935s3iy2mm9538jkf77ssr789qb06ms7sivd7g3ip6";
};
strictDeps = true;
nativeBuildInputs = [
ocaml
findlib
ocamlbuild
camlp4
menhir
];
buildInputs = [
yojson
menhirLib
ulex
pprint
fix
functory
ocamlbuild
];
# Sets warning 3 as non-fatal
prePatch =
lib.optionalString (check-ocaml-version "4.02") ''
substituteInPlace myocamlbuild.pre.ml \
--replace '@1..3' '@1..2+3'
''
# Compatibility with PPrint ≥ 20220103
+ ''
substituteInPlace typing/Fact.ml --replace PPrintOCaml PPrint.OCaml
'';
createFindlibDestdir = true;
postInstall = ''
mkdir $out/bin
cp mezzo $out/bin/
'';
meta = {
homepage = "http://protz.github.io/mezzo/";
description = "Programming language in the ML tradition, which places strong emphasis on the control of aliasing and access to mutable memory";
license = lib.licenses.gpl2;
broken = lib.versionAtLeast ocaml.version "4.06";
platforms = ocaml.meta.platforms or [ ];
};
}
|