Adding GNU SIP Witch.

svn path=/nixpkgs/trunk/; revision=25634

pkgs/servers/sip/sipwitch/default.nix

@@ -0,0 +1,26 @@
+{ fetchurl, stdenv, pkgconfig, ucommon, libosip, libexosip, openssl, zlib }:
+
+stdenv.mkDerivation rec {
+  name = "sipwitch-0.9.2";
+
+  src = fetchurl {
+    url = "mirror://gnu/sipwitch/${name}.tar.gz";
+    sha256 = "1xww6v4s45ss7v4548gxk6dgal5605cxnvdfsblmqn3ydzp6227h";
+  };
+
+  buildInputs = [ pkgconfig ucommon libosip libexosip openssl zlib ];
+
+  preConfigure = ''
+    export configureFlags="--sysconfdir=$out/etc"
+  '';
+
+  doCheck = true;
+
+  meta = {
+    description = "Secure peer-to-peer VoIP server that uses the SIP protocol";
+    homepage = http://www.gnu.org/software/sipwitch/;
+    license = "GPLv3+";
+    maintainers = with stdenv.lib.maintainers; [ viric ];
+    platforms = with stdenv.lib.platforms; linux;
+  };
+}