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{ stdenv, fetchurl, libmnl, kernel ? null }:
# module requires Linux >= 3.18 https://www.wireguard.io/install/#kernel-requirements
assert kernel != null -> stdenv.lib.versionAtLeast kernel.version "3.18";
let
name = "wireguard-${version}";
version = "0.0.20170223";
src = fetchurl {
url = "https://git.zx2c4.com/WireGuard/snapshot/WireGuard-${version}.tar.xz";
sha256 = "6d2c8cd29c4f9fb404546a4749ec050739a26b4a49b5864f1dec531377c3c50d";
};
meta = with stdenv.lib; {
homepage = https://www.wireguard.io/;
downloadPage = https://git.zx2c4.com/WireGuard/refs/;
description = "A prerelease of an experimental VPN tunnel which is not to be depended upon for security";
maintainers = with maintainers; [ ericsagnes ];
license = licenses.gpl2;
platforms = platforms.linux;
};
module = stdenv.mkDerivation {
inherit src meta name;
preConfigure = ''
cd src
sed -i '/depmod/,+1d' Makefile
'';
hardeningDisable = [ "pic" ];
KERNELDIR = "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build";
INSTALL_MOD_PATH = "\${out}";
buildPhase = "make module";
};
tools = stdenv.mkDerivation {
inherit src meta name;
preConfigure = "cd src";
buildInputs = [ libmnl ];
makeFlags = [
"WITH_BASHCOMPLETION=yes"
"WITH_WGQUICK=yes"
"WITH_SYSTEMDUNITS=yes"
"DESTDIR=$(out)"
"PREFIX=/"
"-C" "tools"
];
buildPhase = "make tools";
};
in if kernel == null
then tools
else module