anchor.diff:        export NIX_LDFLAGS="$NIX_LDFLAGS -lgcc_s"
       '';
   
  -  patches = [ ./locale_archive.patch ./openssh-6.9p1-security-7.0.patch];
  +  patches = [ ./locale_archive.patch ./openssh-6.9p1-security-7.0.patch ]
  +    ++ optional withGssapiPatches gssapiSrc;
   
     buildInputs = [ zlib openssl libedit pkgconfig pam ]
       ++ optional withKerberos [ kerberos ];
  
positive.code:   hpnSrc = fetchurl {
      url = mirror://sourceforge/hpnssh/openssh-6.6p1-hpnssh14v5.diff.gz;
      sha256 = "682b4a6880d224ee0b7447241b684330b731018585f1ba519f46660c10d63950";
    };
  
  in
  
negative.code: { stdenv, fetchurl, fetchpatch, zlib, openssl, perl, libedit, pkgconfig, pam
  , etcDir ? null
  , hpnSupport ? false
  , withKerberos ? false
  , withGssapiPatches ? withKerberos
  , kerberos
  }:
  
  