Merge pull request #244599 from therishidesai/rdesai/dev-fanout

{ lib, stdenv, fetchFromGitHub, kernel, kmod }:

stdenv.mkDerivation rec {

  pname = "fanout";

  version = "unstable-2022-10-17-${kernel.version}";

  src = fetchFromGitHub {

    owner = "bob-linuxtoys";

    repo = "fanout";

    rev = "69b1cc69bf425d1a5f83b4e84d41272f1caa0144";

    hash = "sha256-Q19c88KDFu0A6MejZgKYei9J2693EjRkKtR9hcRcHa0=";

  };

  preBuild = ''

    substituteInPlace Makefile --replace "modules_install" "INSTALL_MOD_PATH=$out modules_install"

  '';

  patches = [

    ./remove_auto_mknod.patch

  ];

  hardeningDisable = [ "format" "pic" ];

  nativeBuildInputs = [ kmod ] ++ kernel.moduleBuildDependencies;

  makeFlags = kernel.makeFlags ++ [

    "KERNELDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"

  ];

  meta = with lib; {

    description = "Kernel-based publish-subscribe system";

    homepage = "https://github.com/bob-linuxtoys/fanout";

    license = licenses.gpl2Only;

    maintainers = with maintainers; [ therishidesai ];

    platforms = platforms.linux;

  };

}

diff --git a/fanout.c b/fanout.c

index f5d2a55..87125f4 100644

--- a/fanout.c

+++ b/fanout.c

@@ -13,7 +13,7 @@

 /* Comment out to forgo the creation of /dev entries

  * The companion udev rules 'fanout.rules' sets the special file mode

  */

-#define DEV_MKNOD

+// #define DEV_MKNOD

 #include <linux/kernel.h>

 #include <linux/module.h>

    evdi = callPackage ../os-specific/linux/evdi { };

    fanout = callPackage ../os-specific/linux/fanout { };

    fwts-efi-runtime = callPackage ../os-specific/linux/fwts/module.nix { };

    gcadapter-oc-kmod = callPackage ../os-specific/linux/gcadapter-oc-kmod { };