anchor.diff:      expat
       libidn
       ncurses
  -    openssl
  +    openssl_1-0-2
       readline
       zlib
     ];
  
positive.code: , less
  , libidn
  , ncurses
  , openssl
  , readline
  , zlib
  }:
  
negative.code:     "--with-modules"
      #"--with-sysroot"
      "--without-gnutls"
      "--${boolWt (openssl_1-0-2 != null)}-openssl${
        boolString (openssl_1-0-2 != null) "=${openssl_1-0-2}" ""}"
      "--without-included-regex"
      "--with-libresolv"
      "--${boolWt (readline != null)}-readline${
  