anchor.diff:  , fetchurl
   , perl
   
  +, brotli
   , c-ares
   , krb5_lib
   , libidn2
  
positive.code:     "--${if isFull then "with" else "without"}-librtmp"
      "--disable-versioned-symbols"
      "--without-winidn"
      "--${if isFull then "with" else "without"}-libidn"
      "--with-nghttp2"
      "--disable-sspi"
      "--enable-crypto-auth"
  
negative.code:   ];
  
    buildInputs = [
      brotli
      c-ares
      nghttp2_lib
      openssl
  