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path: root/pkgs/build-support/ocaml/oasis.nix
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{ stdenv, ocaml_oasis, ocaml, findlib, ocamlbuild }:

{ pname, version, buildInputs ? [], meta ? { platforms = ocaml.meta.platforms or []; },
  minimumOCamlVersion ? null,
  createFindlibDestdir ? true,
  dontStrip ? true,
  ...
}@args:

if args ? minimumOCamlVersion &&
   ! stdenv.lib.versionAtLeast ocaml.version args.minimumOCamlVersion
then throw "${pname}-${version} is not available for OCaml ${ocaml.version}"
else

stdenv.mkDerivation (args // {
  name = "ocaml${ocaml.version}-${pname}-${version}";

  buildInputs = [ ocaml findlib ocamlbuild ocaml_oasis ] ++ buildInputs;

  inherit createFindlibDestdir;
  inherit dontStrip;

  buildPhase = ''
    runHook preBuild
    oasis setup
    ocaml setup.ml -configure
    ocaml setup.ml -build
    runHook postBuild
  '';

  checkPhase = ''
    runHook preCheck
    ocaml setup.ml -test
    runHook postCheck
  '';

  installPhase = ''
    runHook preInstall
    mkdir -p $out
    sed -i s+/usr/local+$out+g setup.ml
    sed -i s+/usr/local+$out+g setup.data
    prefix=$OCAMLFIND_DESTDIR ocaml setup.ml -install
    runHook postInstall
  '';

})