pkgs/os-specific/linux/rtl8821au/default.nix

   1 {
   2   lib,
   3   stdenv,
   4   fetchFromGitHub,
   5   kernel,
   6   bc,
   7   nukeReferences,
   8 }:
   9
  10 stdenv.mkDerivation {
  11   pname = "rtl8821au";
  12   version = "${kernel.version}-unstable-2024-03-16";
  13
  14   src = fetchFromGitHub {
  15     owner = "morrownr";
  16     repo = "8821au-20210708";
  17     rev = "168ac48174067e17ffb9f8b15ab802f37447dacc";
  18     hash = "sha256-eB9RCoU5jg5fgZkfcef9fsQ6tyD8gTPD+wYcR6PbWNw=";
  19   };
  20
  21   nativeBuildInputs = [
  22     bc
  23     nukeReferences
  24   ] ++ kernel.moduleBuildDependencies;
  25
  26   hardeningDisable = [
  27     "pic"
  28     "format"
  29   ];
  30
  31   env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types";
  32
  33   makeFlags =
  34     [
  35       "ARCH=${stdenv.hostPlatform.linuxArch}"
  36       ("CONFIG_PLATFORM_I386_PC=" + (if stdenv.hostPlatform.isx86 then "y" else "n"))
  37       (
  38         "CONFIG_PLATFORM_ARM_RPI="
  39         + (if (stdenv.hostPlatform.isAarch32 || stdenv.hostPlatform.isAarch64) then "y" else "n")
  40       )
  41     ]
  42     ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
  43       "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
  44     ];
  45
  46   prePatch = ''
  47     substituteInPlace ./Makefile \
  48       --replace /lib/modules/ "${kernel.dev}/lib/modules/" \
  49       --replace /sbin/depmod \# \
  50       --replace '$(MODDESTDIR)' "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
  51   '';
  52
  53   preInstall = ''
  54     mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
  55   '';
  56
  57   postInstall = ''
  58     nuke-refs $out/lib/modules/*/kernel/net/wireless/*.ko
  59   '';
  60
  61   enableParallelBuilding = true;
  62
  63   meta = with lib; {
  64     description = "rtl8821AU and rtl8812AU chipset driver with firmware";
  65     homepage = "https://github.com/morrownr/8821au";
  66     license = licenses.gpl2Only;
  67     platforms = lib.platforms.linux;
  68     maintainers = with maintainers; [ plchldr ];
  69   };
  70 }