当试图用下面的语句初始化MYSQL55时出现了错误：
/usr/local/bin/mysql_install_db --user=mysql
FATAL ERROR: Could not find ./bin/my_print_defaults
If you compiled from source, you need to run 'make install' to
copy the software into the correct location ready for operation.
If you are using a binary release, you must either be at the top
level of the extracted archive, or pass the --basedir option
pointing to that location.
使用下列语句：
/usr/local/bin/mysql_install_db --user=mysql --basedir=/usr/local/ --datadir=/var/db/mysql &