1 files changed, 8 insertions, 0 deletions
diff --git a/pkgs/tools/networking/openvpn3/default.nix b/pkgs/tools/networking/openvpn3/default.nix
index 295055d797d..b6037d67d82 100644
--- a/pkgs/tools/networking/openvpn3/default.nix
+++ b/pkgs/tools/networking/openvpn3/default.nix
@@ -15,6 +15,8 @@
 , pkg-config
 , protobuf
 , python3
+, systemd
+, enableSystemdResolved ? false
 , tinyxml-2
 , wrapGAppsHook
 }:
@@ -80,6 +82,8 @@ stdenv.mkDerivation rec {
     openssl
     protobuf
     tinyxml-2
+  ] ++ lib.optionals enableSystemdResolved [
+    systemd
   ];
 
   # runtime deps
@@ -101,6 +105,10 @@ stdenv.mkDerivation rec {
     "--enable-addons-aws"
     "--disable-selinux-build"
     "--disable-build-test-progs"
+  ] ++ lib.optionals enableSystemdResolved [
+    # This defaults to --resolv-conf /etc/resolv.conf. See
+    # https://github.com/OpenVPN/openvpn3-linux/blob/v20/configure.ac#L434
+    "DEFAULT_DNS_RESOLVER=--systemd-resolved"
   ];
 
   NIX_LDFLAGS = "-lpthread";