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

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{ stdenv, lib, fetchurl, ocaml, findlib, ocamlbuild, topkg, js_of_ocaml
, jsooSupport ? true
}:
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with lib;
let param =
if versionAtLeast ocaml.version "4.03"
then {
version = "1.1.0";
sha256 = "1qb4ljwirrc3g8brh97s76rjky2cpmy7zm87y7iqd6pxix52ydk3";
} else {
version = "0.8.4";
sha256 = "1adm8sc3lkjly99hyi5gqnxas748k7h62ljgn8x423nkn8gyp8dh";
};
in
stdenv.mkDerivation {
name = "ocaml${ocaml.version}-mtime-${param.version}";
src = fetchurl {
url = "https://erratique.ch/software/mtime/releases/mtime-${param.version}.tbz";
inherit (param) sha256;
};
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buildInputs = [ ocaml findlib ocamlbuild topkg ]
++ stdenv.lib.optional jsooSupport js_of_ocaml;
buildPhase = "${topkg.buildPhase} --with-js_of_ocaml ${boolToString jsooSupport}";
inherit (topkg) installPhase;
meta = {
description = "Monotonic wall-clock time for OCaml";
homepage = https://erratique.ch/software/mtime;
inherit (ocaml.meta) platforms;
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maintainers = [ maintainers.vbgl ];
license = licenses.bsd3;
};
}