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/* Topkg is a packager for distributing OCaml software. This derivation
provides facilities to describe derivations for OCaml libraries
using topkg.
The `buildPhase` and `installPhase` attributes can be reused directly
in many cases. When more fine-grained control on how to run the “topkg”
build system is required, the attribute `run` can be used.
*/
{ stdenv, lib, fetchurl, ocaml, findlib, ocamlbuild, result, opaline }:
let
param =
if lib.versionAtLeast ocaml.version "4.05" then {
version = "1.0.7";
sha256 = "sha256-X8Iq0/OtbRJ8sSRdGFgIgUeNotbeULIxXm3UWGxSvhk=";
} else if lib.versionAtLeast ocaml.version "4.03" then {
version = "1.0.3";
sha256 = "0b77gsz9bqby8v77kfi4lans47x9p2lmzanzwins5r29maphb8y6";
} else {
version = "1.0.0";
sha256 = "1df61vw6v5bg2mys045682ggv058yqkqb67w7r2gz85crs04d5fw";
propagatedBuildInputs = [ result ];
};
/* This command allows to run the “topkg” build system.
* It is usually called with `build` or `test` as argument.
* Packages that use `topkg` may call this command as part of
* their `buildPhase` or `checkPhase`.
*/
run = "ocaml -I ${findlib}/lib/ocaml/${ocaml.version}/site-lib/ pkg/pkg.ml";
in
stdenv.mkDerivation rec {
pname = "ocaml${ocaml.version}-topkg";
inherit (param) version;
src = fetchurl {
url = "https://erratique.ch/software/topkg/releases/topkg-${version}.tbz";
inherit (param) sha256;
};
nativeBuildInputs = [ ocaml findlib ocamlbuild ];
propagatedBuildInputs = param.propagatedBuildInputs or [];
strictDeps = true;
buildPhase = "${run} build";
createFindlibDestdir = true;
installPhase = "${opaline}/bin/opaline -prefix $out -libdir $OCAMLFIND_DESTDIR";
passthru = { inherit run; };
meta = {
homepage = "https://erratique.ch/software/topkg";
license = lib.licenses.isc;
maintainers = [ lib.maintainers.vbgl ];
description = "A packager for distributing OCaml software";
inherit (ocaml.meta) platforms;
};
}
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