nixpkgs/pkgs/os-specific/linux/v4l2loopback/default.nix

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{ stdenv, fetchFromGitHub, kernel, kmod }:
stdenv.mkDerivation rec {
name = "v4l2loopback-${version}-${kernel.version}";
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version = "0.12.0";
src = fetchFromGitHub {
owner = "umlaeute";
repo = "v4l2loopback";
rev = "v${version}";
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sha256 = "1rf8dvabksxb2sj14j32h7n7pw7byqfnpqs4m4afj3398y9y23c4";
};
hardeningDisable = [ "format" "pic" ];
preBuild = ''
substituteInPlace Makefile --replace "modules_install" "INSTALL_MOD_PATH=$out modules_install"
sed -i '/depmod/d' Makefile
export PATH=${kmod}/sbin:$PATH
'';
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nativeBuildInputs = kernel.moduleBuildDependencies;
buildInputs = [ kmod ];
makeFlags = [
"KERNELRELEASE=${kernel.modDirVersion}"
"KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
];
meta = with stdenv.lib; {
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description = "A kernel module to create V4L2 loopback devices";
homepage = https://github.com/umlaeute/v4l2loopback;
license = licenses.gpl2;
maintainers = [ maintainers.domenkozar ];
platforms = platforms.linux;
};
}