anchor.diff:  { stdenv, fetchurl, cmake, ncurses, zlib, xz, lzo, lz4, bzip2, snappy
  -, openssl, pcre, boost, judy, bison, libxml2, ninja, kytea, msgpack-c
  +, openssl_1-0-2, pcre, boost, judy, bison, libxml2, ninja, kytea, msgpack-c
   , libaio, libevent, groff, jemalloc, cracklib, systemd_lib, numactl, perl
   , zeromq
   }:
  
positive.code:     # Fix the mysql_config
      sed -i $out/bin/mysql_config \
        -e 's,-lz,-L${zlib}/lib -lz,g' \
        -e 's,-lssl,-L${openssl}/lib -lssl,g'
  
      # Don't install static libraries.
      rm $out/lib/*.a
  
negative.code:     ninja
    ];
    buildInputs = [
      ncurses openssl_1-0-2 zlib xz lzo lz4 bzip2 snappy
      pcre libxml2 boost judy bison libevent cracklib
      jemalloc libaio systemd_lib numactl kytea msgpack-c
      zeromq
  