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nixpkgs/pkgs/build-support/ocaml/oasis.nix

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Nix

{ 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 --prefix $OCAMLFIND_DESTDIR --exec-prefix $out
ocaml setup.ml -build
runHook postBuild
'';
checkPhase = ''
runHook preCheck
ocaml setup.ml -test
runHook postCheck
'';
installPhase = ''
runHook preInstall
mkdir -p $out
ocaml setup.ml -install
runHook postInstall
'';
})