环境
- 系统：Centos7.2
- 服务：Nginx
1：下载PHP7.0.2的安装包解压，编译，安装:
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$ cd/usr/src/
$ wget http://cn2.php.net/distributions/php-7.0.2.tar.gz
$ tar-xzxvf php-7.0.2.tar.gz
$ cdphp-7.0.2
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1.1编译前检查
请检查是否安装了gcc ,没有的话执行yum install gcc
检查是否安装了libxml2 ,没有的话执行yum install libxml2
检查是否安装了libxml2-devel,没有的话执行yum install libxml2-devel
注：因为改为用nginx了，所以编译参数中的–with-apxs2=/usr/bin/apxs去掉了，如果要配置apache用，安装PHP前，请先安装apache。*
2：编译参数配置
复制代码 代码如下:
‘./configure’ ‘–prefix=/usr/local/php’ ‘–with-pdo-pgsql’ ‘–with-zlib-dir’ ‘–with-freetype-dir’ ‘–enable-mbstring’ ‘–with-libxml-dir=/usr’ ‘–enable-soap’ ‘–enable-calendar’ ‘–with-curl’ ‘–with-mcrypt’ ‘–with-gd’ ‘–with-pgsql’ ‘–disable-rpath’ ‘–enable-inline-optimization’ ‘–with-bz2’ ‘–with-zlib’ ‘–enable-sockets’ ‘–enable-sysvsem’ ‘–enable-sysvshm’ ‘–enable-pcntl’ ‘–enable-mbregex’ ‘–enable-exif’ ‘–enable-bcmath’ ‘–with-mhash’ ‘–enable-zip’ ‘–with-pcre-regex’ ‘–with-pdo-mysql’ ‘–with-mysqli’ ‘–with-jpeg-dir=/usr’ ‘–with-png-dir=/usr’ ‘–enable-gd-native-ttf’ ‘–with-openssl’ ‘–with-fpm-user=www-data’ ‘–with-fpm-group=www-data’ ‘–with-libdir=/lib/x86_64-linux-gnu/’ ‘–enable-ftp’ ‘–with-gettext’ ‘–with-xmlrpc’ ‘–with-xsl’ ‘–enable-opcache’ ‘–enable-fpm’ ‘–with-iconv’ ‘–with-xpm-dir=/usr’
3：错误集合
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报错 Cannot find OpenSSL's <evp.h>
执行 yum install openssl openssl-devel
报错 Please reinstall the libcurl distribution
执行 yum -y install curl-devel
错误 jpeglib.h not found
执行 yum install libjpeg.x86_64 libpng.x86_64 freetype.x86_64 libjpeg-devel.x86_64 libpng-devel.x86_64 freetype-devel.x86_64 -y
和执行 yum install libjpeg-devel
错误：checking for BZip2 in default path... not found configure: error: Please reinstall the BZip2 distribution 这是bzip2软件包没有安装
执行 yum install bzip2-devel.x86_64 -y
错误：configure: error: xpm.h not found.
执行 yum install libXpm-devel
错误: Unable to locate gmp.h
执行 yum install gmp-devel
错误：Unable to detect ICU prefix or /usr//bin/icu-config failed. Please verify ICU install prefix and make sure icu-config works
执行 yum install -y icu libicu libicu-devel
错误：mcrypt.h not found. Please reinstall libmcrypt.
执行 yum install php-mcrypt libmcrypt libmcrypt-devel
错误： configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
执行 yum install postgresql-devel
错误： configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
执行 yum install libxslt-devel
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4：编译
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makeclean && make&& makeinstall
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5：PHP配置
5.1安装完成后，我们要把源码包中的配置文件复制到PHP安装目录下，源码包中有两个配置 php.ini-development php.ini-production ，看名字就知道，一个是开发环境，一个是生产环境，我们这里就复制开发环境的
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cpphp.ini-development /usr/local/php/lib/php.ini
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5.2另外还需要设置环境变量 ：修改/etc/profile文件使其永久性生效，并对所有系统用户生效，在文件末尾加上如下两行代码
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PATH=$PATH:/usr/local/php/bin
exportPATH
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5.3 然后执行生效命令
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source/etc/profile
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5.4查看PHP版本信息
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php -v
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6：配置PHP-fpm
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cp/usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
cp/usr/local/php/etc/php-fpm.d/www.conf.default /usr/local/php/etc/php-fpm.d/www.conf
cp/usr/src/php-7.0.2/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
chmod+x /etc/init.d/php-fpm
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6.1 启动php-fpm:
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/etc/init.d/php-fpmstart
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6.2 如果出现错误：ERROR: [pool www] cannot get uid for user ‘www-data’
则新建www-data 用户组：
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groupadd www-data
useradd -g www-data www-data
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6.3 重启php-fpm
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/etc/init.d/php-fpmrestart
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