anchor.diff:  
     postInstall = common.postInstall + ''
       chmod +x "$out"/bin/wsrep_sst_common
  +    rm "$out"/bin/mysql_client_test
       rm -r "$out"/data # Don't need testing data
       rm "$out"/lib/mysql/plugin/daemon_example.ini
       rm "$out"/lib/mysql/{libmysqlclient${libExt},libmysqlclient_r${libExt}}
  
positive.code: 
    postInstall =  common.postInstall + ''
      rm -r "$out"/share/doc
      rm "$out"/bin/{mytop,wsrep_sst_rsync_wan}
      rm "$out"/lib/mysql/plugin/daemon_example.ini
      libmysqlclient_path=$(readlink -f $out/lib/mysql/libmysqlclient${libExt})
      rm "$out"/lib/mysql/{libmariadb${libExt},libmysqlclient${libExt},libmysqlclient_r${libExt}}
  
negative.code:     "-DWITH_SSL=system"
      "-DWITH_PCRE=system"
      "-DWITH_SAFEMALLOC=OFF"
      "-DWITH_UNIT_TESTS=OFF"
      "-DEMBEDDED_LIBRARY=OFF"
    ] ++ optional stdenv.isDarwin [
      # On Darwin without sandbox, CMake will find the system java and attempt to build with java support, but
  