1.安装libxml2-devel：

yum  -y  install  libxml2-devel

2.编译：

./configure \
--prefix=/usr/local/php \
--with-config-file-path=/usr/local/php/etc/ \
--enable-inline-optimization \
--enable-shared \
--enable-opcache \
--enable-fpm \
--with-fpm-user=php \
--with-fpm-group=web \
--with-mysql=mysqlnd \
--with-mysqli=mysqlnd \
--with-pdo-mysql=mysqlnd \
--with-gettext \
--enable-mbstring \
--with-iconv \
--with-mcrypt \
--with-mhash \
--with-openssl \
--enable-bcmath \
--enable-soap \
--with-libxml-dir=文件夹 \
--enable-pcntl \
--enable-shmop \
--enable-sysvmsg \
--enable-sysvsem \
--enable-sysvshm \
--enable-sockets \
--enable-intl \
--with-curl \
--with-zlib \
--enable-zip \
--with-bz2 \
--enable-xml \
--with-pcre-dir \
--with-gd \
--enable-static \
--enable-wddx \
--with-xmlrpc \
--with-libdir=/usr/lib64 \
--with-jpeg-dir=/usr/lib64 \
--with-freetype-dir=/usr/lib64 \
--with-png-dir=/usr/lib64 \
--enable-maintainer-zts \
--enable-pthreads \
--enable-debug