anchor.diff:  
     preConfigure = ''
       sed -i 's|/usr|/|' Makefile
  +
  +    # Remove blanket -Werror. Fails for minor error on gcc-11.
  +    substituteInPlace usr/Makefile --replace ' -Werror ' ' '
     '';
  +
  +  # avoid /usr/bin/install
  +  makeFlags = [
  +    "INSTALL=install"
  +    "SED=sed"
  +  ];
   
     installFlags = [
       "install"
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "open-iscsi";
    version = "2.1.4";
  
    nativeBuildInputs = [ autoconf automake gettext libtool perl pkgconf ];
    buildInputs = [ kmod open-isns.lib openssl systemd util-linux ];
  
negative.code:     owner = "open-iscsi";
      repo = "open-iscsi";
      rev = version;
      sha256 = "sha256-R1ttHHxVSQ5TGtWVy4I9BAmEJfcRhKRD5jThoeddjUw=";
    };
  
    DESTDIR = "$(out)";
  