configure: error: Cannot find libmysqlclient under /usr.

checking for 8-bit clean memcmp... yes

checking for mcrypt support... no

checking for mhash support... no

checking whether to include mime_magic support... no

checking for MING support... no

checking for mSQL support... no

checking for MSSQL support via FreeTDS... no

checking for MySQL support... yes

checking for specified location of the MySQL UNIX socket... no

checking for MySQL UNIX socket location... no
configure: error: Cannot find libmysqlclient under /usr.
Note that the MySQL client library is not bundled anymore!

通过查找libmysqlclient是在/usr/lib64/目录内的libmysqlclient.so.18.做的软连接,php默认的搜索路径是/usr/lib/搜索.
解决办法:

如果mysql目录没有，需要创建，再把/usr/lib64/目录下的libmysqlclient.so  libmysqlclient.so.18 libmysqlclient.so.18.1.0复制到 /usr/lib/mysql文件夹中

[root@localhost ~]# mkdir /usr/lib/mysql

[root@localhost ~]# cd /usr/lib64

[root@localhost lib64]#  cp libmysqlclient.* /usr/lib/mysql

[root@localhost lib64]#

进入php-5.2.9目录./configure即可

[root@localhost ~]# cd /usr/src/php-5.2.9
[root@localhost php-5.2.9]# ./configure --prefix=/usr/local/php --with-apxs2=/usr/local/apache/bin/apxs --with-mysql=/usr/local/mysql/ --with-libxml-dir --enable-mbstring

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