关于编译安装MySQL的问题
ML上安装MySQL，2.0及2.1的快照版都呆以正常编译安装的，Rc1上则不行：MySQL为mysql-4.1.19.tar.gz，编译时configure加 --prefix=/usr/local/mysql --sysconfdir=/etc --localstatedir=/var/lib/mysql 参数。
整个过程都是正常完成退出，但在/var/lib下没有mysql的存在，启动mysql失败。
以前2.0及2.1快照版/及/var为同一分区，2.1Rc1下/var单独分为一区。 什么分区类型？
是不是权限问题？ 新建/var/lib/mysql看看，记得chown mysql.mysql。
mysql其实有编译好的版本，non rpm的版本就是，我是拿来后直接解压到/usr/local下面，然后做个符号连接（ln -sf /usr/local/mysql-5.0.67-linux-i686 /usr/local/mysql）就运行了。 make install时：
PATH="$PATH:/sbin" ldconfig -n /usr/local/mysql/lib/mysql
----------------------------------------------------------------------
Libraries have been installed in:
/usr/local/mysql/lib/mysql
If you ever happen to want to link against installed libraries
in a given directory, LIBDIR, you must either use libtool, and
specify the full pathname of the library, or use the `-LLIBDIR'
flag during linking and do at least one of the following:
- add LIBDIR to the `LD_LIBRARY_PATH' environment variable
during execution
- add LIBDIR to the `LD_RUN_PATH' environment variable
during linking
- use the `-Wl,--rpath -Wl,LIBDIR' linker flag
- have your system administrator add LIBDIR to `/etc/ld.so.conf'
See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------
不知为何改到那个路径了。
相应改了下权限设置，仍然无法启动mysql。
以前在ML2.0及2.1的快照版都是同一版本，同一编译参数都可以正常安装，不知为何在Rc1下不行。 你运行 mysqld ，什么输出？ # ./mysqld
080820 20:23:15 Fatal error: Please read "Security" section of the manual to find out how to run mysqld as root!
080820 20:23:15 Aborting
080820 20:23:15 ./mysqld: Shutdown complete :oops:
不知为何，以make unstall删掉安装的，并删除/usr/local/mysql，然后 以编译好的重新 make install,结果/var/lib/mysql成功写入。Mysql启动成功 RPWT 这就是 RPWT！ RPWT:?:
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