编译安装mysql5.7版本，想试用一下新的版本特性，发现跟之前的5.6版本编译有了一些变化，总结一下避免以后继续入坑。5.6安装方式
cmake版本
5.7编译cmake要求版本最低为2.8，当前为2.6，所以需要升级cmake版本。信息如下
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shell> cmake . -DCMAKE_INSTALL_PREFIX=/db/mysql/mysql_57 -DMYSQL_DATADIR=/db/mysql/mysql_57/data
CMake Error at CMakeLists.txt:21 (CMAKE_MINIMUM_REQUIRED):
CMake 2.8.2 or higher is required. You are running version 2.6.4
-- Configuring incomplete, errors occurred!
shell> cmake --version
cmake version 2.6-patch 4
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cmake官网下载地址
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shell> tar zxvf cmake-3.2.2.tar.gz
shell> cd cmake-3.2.2/
shell> ./bootstrap
shell> make && make install
shell> cmake --version
cmake version 3.2.2
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BOOST库
5.7编译需要boost类库，可使用 -DDOWNLOAD_BOOST=1 -DWITH_BOOST= 参数将在指定路径查找，如未找到会指
定下载并解压到指定的路径
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问题描述
shell> cmake . -DCMAKE_INSTALL_PREFIX=/db/mysql/mysql_57 -DMYSQL_DATADIR=/db/mysql/mysql_57/data
CMake suite maintained and supported by Kitware (kitware.com/cmake).
-- Could not find (the correct version of) boost.
-- MySQL currently requires boost_1_57_0
CMake Error at cmake/boost.cmake:76 (MESSAGE):
You can download it
with
-DDOWNLOAD_BOOST=1 -DWITH_BOOST=安装boost库
shell> tar jxvf boost_1_57_0.tar.bz2
shell> cd boost_1_57_0/
shell> ./bootstrap.sh
shell> ./b2 install
安装后目录
shell> ls /usr/local/include/
boost
shell> cmake . -DCMAKE_INSTALL_PREFIX=/db/mysql/mysql_57 -DMYSQL_DATADIR=/db/mysql/mysql_57/data
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mysql_install_db
之前版本mysql_install_db是在mysql_basedir/script下，5.7放在了mysql_install_db/bin目录下,且已被废弃。
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shell> cd /db/mysql/mysql_57
shell> bin/mysql_install_db --basedir=. --datadir=data --user=mysql
[WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize
shell> bin/mysqld --initialize
2015-04-21T18:17:53.169216Z 0 [Warning] TIMESTAMP
with
implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation
for
more details).
2015-04-21T18:17:58.702510Z 0 [Warning] InnoDB: New log files created, LSN=45790
2015-04-21T18:17:59.538811Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2015-04-21T18:17:59.646010Z 0 [Warning] Failed to setup SSL
2015-04-21T18:17:59.646105Z 0 [Warning] SSL error: SSL context is not usable without certificate and private key
2015-04-21T18:17:59.663795Z 1 [Warning] A temporary password is generated
for
root@localhost: rq/Oh8VWs1Yh
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初始化密码
mysql5.7会生成一个初始化密码，而在之前的版本首次登陆不需要登录。
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shell> cat /root/.mysql_secret
# Password set for user 'root@localhost' at 2015-04-22 22:13:23
?G5W&tz1z.cN
修改默认密码
shell> bin/mysqladmin -h localhost -u root password
'123@qwe'
-p
'?G5W&tz1z.cN'
mysqladmin: [Warning] Using a password on the command line interface can be insecure.
Warning: Since password will be sent to server
in
plain text, use ssl connection to ensure password safety.
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另外mysql5.7的mysql.user表结构被修改
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修改mysql.user方式修改密码
mysql> update mysql.user set authentication_string=password(
'123qwe'
) where user=
'svoid'
and Host =
'localhost'
;
Query OK, 1 row affected (0.01 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
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整理自：http://blog.itpub.net/29733787/viewspace-1590891/
本文转自MQ_douer 51CTO博客，原文链接：http://blog.51cto.com/douer/1922603，如需转载请自行联系原作者
