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{ stdenv, fetchurl, bash, ocaml, findlib, ocamlbuild, camlp4, ocaml_react
, lambdaTerm, ocaml_lwt, camomile, zed, cppo, ppx_tools, makeWrapper
}:
stdenv.mkDerivation rec {
version = "1.19.3";
name = "utop-${version}";
src = fetchurl {
url = "https://github.com/diml/utop/archive/${version}.tar.gz";
sha256 = "16z02vp9n97iax4fqpbi7v86r75vbabxvnd1rirh8w2miixs1g4x";
};
nativeBuildInputs = [ makeWrapper ];
buildInputs = [ ocaml findlib ocamlbuild cppo camlp4 ppx_tools ];
propagatedBuildInputs = [ lambdaTerm ocaml_lwt ];
createFindlibDestdir = true;
configureFlags = [ "--enable-camlp4" ]
++ stdenv.lib.optional (ppx_tools != null && !stdenv.lib.versionAtLeast ocaml.version "4.04") "--enable-interact";
buildPhase = ''
make
make doc
'';
dontStrip = true;
postFixup =
let
path = "etc/utop/env";
# derivation of just runtime deps so env vars created by
# setup-hooks can be saved for use at runtime
runtime = stdenv.mkDerivation rec {
name = "utop-runtime-env-${version}";
buildInputs = [ findlib ] ++ propagatedBuildInputs;
phases = [ "installPhase" ];
installPhase = ''
mkdir -p "$out"/${path}
for e in OCAMLPATH CAML_LD_LIBRARY_PATH; do
printf %s "''${!e}" > "$out"/${path}/$e
done
'';
};
get = key: ''$(cat "${runtime}/${path}/${key}")'';
in ''
for prog in "$out"/bin/*
do
# Note: wrapProgram by default calls 'exec -a $0 ...', but this
# breaks utop on Linux with OCaml 4.04, and is disabled with
# '--argv0 ""' flag. See https://github.com/NixOS/nixpkgs/issues/24496
wrapProgram "$prog" \
--argv0 "" \
--prefix CAML_LD_LIBRARY_PATH ":" "${get "CAML_LD_LIBRARY_PATH"}" \
--prefix OCAMLPATH ":" "${get "OCAMLPATH"}" \
--prefix OCAMLPATH ":" $(unset OCAMLPATH; addOCamlPath "$out"; printf %s "$OCAMLPATH")
done
'';
meta = {
description = "Universal toplevel for OCaml";
longDescription = ''
utop is an improved toplevel for OCaml. It can run in a terminal or in Emacs. It supports line edition, history, real-time and context sensitive completion, colors, and more.
It integrates with the tuareg mode in Emacs.
'';
homepage = https://github.com/diml/utop;
license = stdenv.lib.licenses.bsd3;
platforms = ocaml.meta.platforms or [];
maintainers = [
stdenv.lib.maintainers.gal_bolle
];
};
}
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