anchor.diff:    buildInputs = [
       c-ares
       libidn2
  -    #libpsl  # FIXME: libpsl propagates libunistring causing libidn2 to be linked twice
  +    libpsl
  +    libunistring
       lzip
       openssl
       pcre
  
positive.code: 
  , c-ares
  , libidn2
  #, libpsl
  , lzip
  , openssl
  , pcre
  
negative.code:     perlPackages.LWP
      python3
    ];
  
    # The configure.ac is bad and doesn't set the rpath
    # even though it uses libidn2
    NIX_LDFLAGS = "-rpath ${libidn2}/lib";
  
    postPatch = ''
      for i in "doc/texi2pod.pl" "util/rmold.pl" ; do
  