anchor.diff:  
     installPhase = optionalString libOnly ''
       mkdir -p $out/{bin,include/{gssapi,gssrpc,kadm5,krb5},lib/pkgconfig,sbin,share/{et,man/man1}}
  +
       (cd util; make install)
       (cd include; make install)
       (cd lib; make install)
       (cd build-tools; make install)
  -    rm -rf $out/{bin,sbin,share}
  +
  +    rm -rf $out/{sbin,share}
  +    find $out/bin -type f | grep -v 'krb5-config' | xargs rm
     '';
   
     enableParallelBuilding = true;
  
positive.code:   optNcurses = if libOnly then null else shouldUsePkg ncurses;
    optLibverto = shouldUsePkg libverto;
    optOpenldap = if libOnly then null else shouldUsePkg openldap;
    optDb = if libOnly then null else shouldUsePkg db;
  
    # Prefer the openssl implementation
    cryptoStr = if optOpenssl != null then "openssl"
  
negative.code:     (mkWith   (optLibverto != null)         "system-verto"        null)
      (mkWith   (optOpenldap != null)         "ldap"                null)
      (mkWith   false                         "tcl"                 null)
      (mkWith   false                         "system-db"           null)  # Requires db v1.85
    ];
  
    buildPhase = optionalString libOnly ''
  