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-rw-r--r--pkgs/tools/networking/ppp/default.nix7
1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/tools/networking/ppp/default.nix b/pkgs/tools/networking/ppp/default.nix
index 2ca22fb1da7..6f6f2a0da55 100644
--- a/pkgs/tools/networking/ppp/default.nix
+++ b/pkgs/tools/networking/ppp/default.nix
@@ -18,7 +18,12 @@ stdenv.mkDerivation rec {
       ./nonpriv.patch
     ];
 
-  postPatch = "rm -v include/linux/if_pppol2tp.h";
+  postPatch = ''
+    # enable ipv6
+    substituteInPlace pppd/Makefile.linux \
+      --replace "#HAVE_INET6=y" "HAVE_INET6=y"
+    rm -v include/linux/if_pppol2tp.h
+  '';
 
   buildInputs = [ libpcap ];