upgrade to ppp 2.5.0

pkgs/ppp/default.nix

@@ -0,0 +1,40 @@
+{
+  fetchFromGitHub
+, stdenv
+, autoreconfHook
+, substituteAll
+# , openssl
+}: stdenv.mkDerivation {
+  pname  = "ppp";
+  version = "2.5.0";
+  nativeBuildInputs = [ autoreconfHook ];
+#  buildInputs= [ openssl ];
+
+  src = fetchFromGitHub {
+    repo = "ppp";
+    owner = "ppp-project";
+    rev = "ppp-2.5.0";
+    hash = "sha256-J7udiLiJiJ1PzNxD+XYAUPXZ+ABGXt2U3hSFUWJXe94=";
+  };
+
+  configureFlags = [
+    "--disable-eaptls"
+    "--disable-peap"
+    "--disable-openssl-engine"
+    "--without-openssl"
+  ];
+
+  postPatch = ''
+    sed -i.bak pppd/crypto_ms.c -e '/#include <openssl\/evp.h>/d'
+    sed -i.bak pppd/ppp-sha1.c -e 's/u_int32_t/uint32_t/g' -e '1i#include <stdint.h>'
+  '';
+
+  outputs = [
+    "bin"
+    "out"
+    "man"
+    "dev"
+  ];
+
+
+}