objectbox.nix

      packages.objectbox-c = with pkgs; let
        pname = "objectbox-c";
        version = "0.18.1";
        src = fetchurl {
          url = "https://github.com/objectbox/${pname}/releases/download/v${version}/objectbox-linux-x64.tar.gz";
          hash = "sha256-oYz8ZBNdoTG3NDOuiu0JbmiAmSg4jQf9DQQIMZaNfNQ=";
        };
      in
        stdenv.mkDerivation rec {
          inherit pname version src;

          nativeBuildInputs = [
            autoPatchelfHook
          ];

          buildInputs = [
            stdenv.cc.cc.lib
          ];

          sourceRoot = ".";

          installPhase = ''
            mkdir $out
            mv $PWD/* $out
            mkdir $out/lib/pkgconfig
            cat >$out/lib/pkgconfig/objectbox.pc <<EOF
              prefix=$out
              includedir=$out/include
              libdir=''${prefix}/lib

              Name: libobjectbox
              Description: Database Library
              Version: ${version}
              Libs: -L\''${libdir} -lobjectbox
              Cflags: -I\''${includedir}
            EOF
          '';
        };