nixpkgs/pkgs/development/ocaml-modules/topkg/default.nix

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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.
*/
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{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, result, opaline }:
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if !stdenv.lib.versionAtLeast ocaml.version "4.01"
then throw "topkg is not available for OCaml ${ocaml.version}"
else
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let
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/* 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`.
*/
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run = "ocaml -I ${findlib}/lib/ocaml/${ocaml.version}/site-lib/ pkg/pkg.ml";
in
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stdenv.mkDerivation rec {
name = "ocaml${ocaml.version}-topkg-${version}";
version = "1.0.0";
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src = fetchurl {
url = "https://erratique.ch/software/topkg/releases/topkg-${version}.tbz";
sha256 = "1df61vw6v5bg2mys045682ggv058yqkqb67w7r2gz85crs04d5fw";
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};
nativeBuildInputs = [ ocaml findlib ocamlbuild ];
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propagatedBuildInputs = [ result ];
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buildPhase = "${run} build";
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createFindlibDestdir = true;
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installPhase = "${opaline}/bin/opaline -prefix $out -libdir $OCAMLFIND_DESTDIR";
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passthru = { inherit run; };
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meta = {
homepage = "https://erratique.ch/software/topkg";
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license = stdenv.lib.licenses.isc;
maintainers = [ stdenv.lib.maintainers.vbgl ];
description = "A packager for distributing OCaml software";
inherit (ocaml.meta) platforms;
};
}