tjh.dev
1{ lib, stdenv, fetchFromGitHub, kernel, kmod }:
2
3stdenv.mkDerivation {
4 pname = "v4l2loopback";
5 version = "0.12.7-unstable-2024-02-12-${kernel.version}";
6
7 src = fetchFromGitHub {
8 owner = "umlaeute";
9 repo = "v4l2loopback";
10 rev = "5d72c17f92ee0e38efbb7eb85e34443ecbf1a80c";
11 hash = "sha256-ggmYH5MUXhMPvA8UZ2EAG+eGoPTNbw7B8UxmmgP6CsE=";
12 };
13
14 hardeningDisable = [ "format" "pic" ];
15
16 preBuild = ''
17 substituteInPlace Makefile --replace "modules_install" "INSTALL_MOD_PATH=$out modules_install"
18 sed -i '/depmod/d' Makefile
19 '';
20
21 nativeBuildInputs = [ kmod ] ++ kernel.moduleBuildDependencies;
22
23 postInstall = ''
24 make install-utils PREFIX=$bin
25 '';
26
27 outputs = [ "out" "bin" ];
28
29 makeFlags = kernel.makeFlags ++ [
30 "KERNELRELEASE=${kernel.modDirVersion}"
31 "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
32 ];
33
34 meta = with lib; {
35 description = "Kernel module to create V4L2 loopback devices";
36 mainProgram = "v4l2loopback-ctl";
37 homepage = "https://github.com/umlaeute/v4l2loopback";
38 license = licenses.gpl2Only;
39 maintainers = with maintainers; [ moni ];
40 platforms = platforms.linux;
41 outputsToInstall = [ "out" ];
42 };
43}