pkgs/applications/editors/emacs/elisp-packages/manual-packages/elisp-ffi/default.nix


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{ lib
, melpaBuild
, fetchFromGitHub
, pkg-config
, libffi
, writeText
}:

let
  rev = "da37c516a0e59bdce63fb2dc006a231dee62a1d9";
in melpaBuild {
  pname = "elisp-ffi";
  version = "20170518.0";

  commit = rev;

  src = fetchFromGitHub {
    owner = "skeeto";
    repo = "elisp-ffi";
    inherit rev;
    sha256 = "sha256-StOezQEnNTjRmjY02ub5FRh59aL6gWfw+qgboz0wF94=";
  };

  nativeBuildInputs = [ pkg-config ];

  buildInputs = [ libffi ];

  preBuild = ''
    mv ffi.el elisp-ffi.el
    make
 '';

  recipe = writeText "recipe" ''
   (elisp-ffi :repo "skeeto/elisp-ffi" :fetcher github)
  '';

  meta = {
    description = "Emacs Lisp Foreign Function Interface";
    longDescription = ''
        This library provides an FFI for Emacs Lisp so that Emacs
        programs can invoke functions in native libraries. It works by
        driving a subprocess to do the heavy lifting, passing result
        values on to Emacs.
      '';
    license = lib.licenses.publicDomain;
  };
}