Ubuntu 10.10 源码安装MySQL 5.1.34

最近将系统重新安装了Ubuntu 10.10系统，需要重新编译安装Mysql，源码版本是5.1.34

很折腾，不知道10.10的系统改了些什么东西，装软件都这么不顺利

在这里把发生的问题都记录一下:

步骤如下：

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1. 安装Ubuntu 10.10下的编译工具

sudo apt-get install build-essentials

安装后gcc 和 g++ 的版本都是 (Ubuntu/Linaro 4.4.4-14ubuntu5) 4.4.5

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2. ./configure --prefix=/usr/local/mysql

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3. make

在make时出错，最后几行如下：

make[2]: *** [do_abi_check] Error 1

make[2]: Leaving directory `/home/ice/Documents/software/mysql/src/mysql-5.1.34'

make[1]: *** [abi_check] Error 2

make[1]: Leaving directory `/home/ice/Documents/software/mysql/src/mysql-5.1.34'

make: *** [all-recursive] Error 1

参照 http://bugs.mysql.com/bug.php?id=52514 中对此问题的说明，将Makefile中最后面的do_abi_check注释掉

跳过ABI Check

重新make成功

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4. sudo make install 顺利通过

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5. 到目录/usr/local/mysql下执行如下命令 (ice是我的用户名)

chown -R ice .

chgrp -R ice .

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6. 到目录/usr/local/bin 下 运行mysql_install_db --basedir=/usr/local/mysql \

--datadir=/usr/local/mysql/data

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7. 切到目录libexec下

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执行命令 ./mysqld 产生如下错误

101215 10:09:07 [ERROR] Can't find messagefile '/usr/share/mysql/english/errmsg.sys'

问题的原因,应该是自己没有定义一个my.cnf配置文件，如果不给自己的配置文件，系统就会用默认的配置，然后就会产生上面的错误

将源码中的 support_files 文件夹下的 my_small.cnf 复制到 /etc/my.cnf下，并增加一个参数

language = /usr/local/mysql/share/mysql/english

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运行 ./mysqld 还有错：

101215  2:25:47 [Warning] Can't create test file /var/lib/mysql/ice-ThinkPad-R400.lower-test

101215  2:25:47 [Warning] Can't create test file /var/lib/mysql/ice-ThinkPad-R400.lower-test

./mysqld: Can't change dir to '/var/lib/mysql/' (Errcode: 2)

101215  2:25:47 [ERROR] Aborting

101215  2:25:47 [Note] ./mysqld: Shutdown complete

未找到原因，查阅官方文档http://dev.mysql.com/doc/refman/5.1/en/starting-server.html

发现中间有这么一句话: When the mysqld server starts, it changes location to the data directory.

所以估计上面的错误是因为没有指定datadir参数，系统默认数据文件夹是在 /var/lib/mysql/ 的原故吧

再一次运行命令 ./mysqld --datadir=/usr/local/mysql/data

上面的错误没有了

将这个参数也加到 /etc/my.cnf 配置文件中

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运行 ./mysqld 发生如下错误

101215 11:12:31 [ERROR] Can't start server : Bind on unix socket: No such file or directory

101215 11:12:31 [ERROR] Do you already have another mysqld server running on socket: /var/run/mysqld/mysqld.sock ?

101215 11:12:31 [ERROR] Aborting

纠结，怎么不断的有错误,继续在网上搜索终于找到了问题的根源所在

在Ubuntu下，还有一个这样的配置文件 /etc/mysql/my.cnf

文件中有下面几行：

user= mysql

socket= /var/run/mysqld/mysqld.sock

port= 3306

basedir= /usr

datadir= /var/lib/mysql

tmpdir= /tmp

这个配置文件是系统自己带的，原来上面好多问题都是这个隐藏的配置文件在搞鬼，唉，折腾了好长时间，终于找到问题根源了！

将/etc/mysql/my.cnf 改为 /etc/mysql/my.cnf.backup

再次运行 ./mysqld

101215 11:54:11 [Note] Event Scheduler: Loaded 0 events

101215 11:54:11 [Note] ./mysqld: ready for connections.

Version: '5.1.34'  socket: '/tmp/mysql.sock'  port: 3306  Source distribution

ready for connections 终于成功了! 祝贺一下自己！

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注：这两天又查了一些资料发现出现这么多问题的原因是由于gcc4.3升级到gcc4.4版本的改动，用gcc4.4编译，不仅ABI_CHECK出现问题，安装后执行mysql自带的测试时还有一些测试通不过，将编译器降为gcc4.3和g++4.3后，源码安装过程中就不会出现ABI_CHECK不通过的问题，编译成功后能通过所有的测试

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