php怎么增加mysql扩展

本文操作环境：CentOS release 5.8系统，PHP5.6版，Dell G3电脑。

php怎么增加mysql扩展？

php 添加mysql扩展：

os：CentOS release 5.8 (Final)

php 版本：http://cn2.php.net/distributions/php-5.6.18.tar.gz

先yum安装libxml ，openssl ，mysql，mysql-devel 等。

网上搜索了下congfigure命令如下

./configure --prefix=/usr/local/php5 --with-config-file-path=/usr --with-mysql=/usr/include/mysql --with-mysqli=/usr/bin/mysql_config --with-libxml-dir=/usr/local/libxml2 --with-openssl

报错：

Cannot find MySQL header files under /usr/include/mysql

网上各种说法都尝试了，都没有用，后来我直接看configure文件为啥老这样报，

于是先grep 'error: Cannot find MySQL header files under' configure -n

发现出现这条日志的地方在这里：

./configure:

fi

if test "$PHP_MYSQL" = "yes" || test "$PHP_MYSQL" = "mysqlnd"; then
    PHP_MYSQLND_ENABLED=yes

elif test "$PHP_MYSQL" != "no"; then
  MYSQL_DIR=
  MYSQL_INC_DIR=

  if test -r $PHP_MYSQL/include/mysql/mysql.h; then
    MYSQL_DIR=$PHP_MYSQL
    MYSQL_INC_DIR=$PHP_MYSQL/include/mysql
    break
  elif test -r $PHP_MYSQL/include/mysql.h; then
    MYSQL_DIR=$PHP_MYSQL
    MYSQL_INC_DIR=$PHP_MYSQL/include
    break
  fi

  if test -z "$MYSQL_DIR"; then
    { { $as_echo "$as_me:$LINENO: error: test Cannot find MySQL header files under $PHP_MYSQL.
Note that the MySQL client library is not bundled anymore!" >&5
$as_echo "$as_me: error: hgyang Cannot find MySQL header files under $PHP_MYSQL $MYSQL_DIR.
Note that the MySQL client library is not bundled anymore!" >&2;}
   { (exit 1); exit 1; }; }
  fi

你妹啊！！！

原来 --with-mysql=/usr就可以了，include/mysql已经被包含了，哥瞬间泪奔了，好大一个坑。