####安装cmake
下载，解压 ./configure --prefix=xxxx 编译安装make && make install
如果报 CMakeCache.txt的错误，删除CMakeCache.txt即可，重新编译安装
####安装mysql
/home/wgx_ldj/lamp/soft/cmake-2.8.5/bin/cmake . \
-DCMAKE_INSTALL_PREFIX=/home/wgx_ldj/lamp/soft/mysql-5.5.28 \
-DMYSQL_DATADIR=/home/wgx_ldj/lamp/soft/mysql-5.5.28 \
-DSYSCONFDIR=/home/wgx_ldj/lamp/soft/mysql-5.5.28 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_MEMORY_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DMYSQL_UNIX_ADDR=/home/wgx_ldj/lamp/soft/mysql-5.5.28/mysql.sock \
-DMYSQL_TCP_PORT=3306 \
-DENABLED_LOCAL_INFILE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DEXTRA_CHARSETS=all \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_bin
编译安装make && make install
####配置&启动
进入安装好的mysql-5.5.28目录，先复制一份配置文件 cp support-files/my-medium.cnf my.cnf
启动mysqld_safe