43 lines
1.3 KiB
Nix
43 lines
1.3 KiB
Nix
{ stdenv, ocaml, findlib, ocamlbuild, fetchzip
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, cppo, ppx_tools, ppx_derivers, result, ounit, ocaml-migrate-parsetree
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}:
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if !stdenv.lib.versionAtLeast ocaml.version "4.02"
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then throw "ppx_deriving is not available for OCaml ${ocaml.version}"
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else
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let param =
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if ocaml.version == "4.03.0"
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then {
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version = "4.1";
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sha256 = "0cy9p8d8cbcxvqyyv8fz2z9ypi121zrgaamdlp4ld9f3jnwz7my9";
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extraPropagatedBuildInputs = [];
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} else {
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version = "4.2.1";
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sha256 = "1yhhjnncbbb7fsif7qplndh01s1xd72dqm8f3jkgx9y4ariqqvf9";
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extraPropagatedBuildInputs = [ ocaml-migrate-parsetree ppx_derivers ];
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}; in
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stdenv.mkDerivation rec {
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name = "ocaml${ocaml.version}-ppx_deriving-${version}";
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inherit (param) version;
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src = fetchzip {
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url = "https://github.com/ocaml-ppx/ppx_deriving/archive/v${version}.tar.gz";
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inherit (param) sha256;
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};
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buildInputs = [ ocaml findlib ocamlbuild cppo ounit ];
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propagatedBuildInputs = param.extraPropagatedBuildInputs ++
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[ ppx_tools result ];
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createFindlibDestdir = true;
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installPhase = "OCAMLPATH=$OCAMLPATH:`ocamlfind printconf destdir` make install";
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meta = with stdenv.lib; {
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description = "deriving is a library simplifying type-driven code generation on OCaml >=4.02.";
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maintainers = [ maintainers.maurer ];
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license = licenses.mit;
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};
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}
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