1. 下载安装编译工具

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yum groupinstall 'Development Tools'

2.安装依赖包

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yum install libxml2 libxml2-devel openssl openssl-devel bzip2 bzip2-devel libcurl libcurl-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel gmp gmp-devel libmcrypt libmcrypt-devel readline readline-devel libxslt libxslt-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel ncurses curl gdbm-devel db4-devel libXpm-devel libX11-devel gd-devel gmp-devel expat-devel xmlrpc-c xmlrpc-c-devel libicu-devel libmcrypt-devel libmemcached-devel

3.下载并解压php7.4

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wget http://php.net/distributions/php-7.4.0.tar.gz
tar -zxvf php-7.4.0.tar.gz
cd php-7.4.0

4.编译安装(./configure –help 查看编译参数)

编译前,新增用户组,用户,用于编译使用

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groupadd www
useradd -g www www

开始编译(根据自己需要增减)

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./configure   --prefix=/usr/local/php   --with-config-file-path=/etc   --with-fpm-user=www   --with-fpm-group=www    --with-curl   --with-freetype-dir   --enable-gd   --with-gettext    --with-iconv-dir   --with-kerberos   --with-libdir=lib64   --with-libxml-dir   --with-mysqli   --with-openssl   --with-pcre-regex   --with-pdo-mysql   --with-pdo-sqlite   --with-pear   --with-png-dir   --with-jpeg-dir   --with-xmlrpc   --with-xsl   --with-zlib   --with-bz2   --with-mhash   --enable-fpm   --enable-bcmath   --enable-libxml   --enable-inline-optimization   --enable-mbregex   --enable-mbstring   --enable-opcache   --enable-pcntl   --enable-shmop   --enable-soap   --enable-sockets   --enable-sysvsem   --enable-sysvshm   --enable-xml    --enable-zip   --enable-fpm   --enable-yaf   --enable-redis

这里需要注意的是在php7.4 编译参数 –with-gd 要改成了 –enable-gd

报错处理

安装libxml库

yum install libxml2
yum install libxml2-devel -y

安装libzip

报错

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checking for libzip... configure: error: system libzip must be upgraded to version >= 0.11

解决
先删除旧版本

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yum remove -y libzip

下载编译安装

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wget https://nih.at/libzip/libzip-1.2.0.tar.gz
tar -zxvf libzip-1.2.0.tar.gz
cd libzip-1.2.0
./configure
make && make install

libsqlite3x

报错

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error: Package requirements (sqlite3 > 3.7.4) were not met

解决

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yum install libsqlite3x-devel -y

oniguruma

报错

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error: Package requirements (oniguruma) were not met

解决

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yum install oniguruma-devel -y

当yum install 提示 “没可用软件包”

解决

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yum install -y epel-release

off_t undefined 报错

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configure: error: off_t undefined; check your library configuration

off_t 类型是在 头文件 unistd.h中定义的,
在32位系统 编程成 long int ,64位系统则编译成 long long int ,
在进行编译的时候 是默认查找64位的动态链接库,
但是默认情况下 centos 的动态链接库配置文件/etc/ld.so.conf里并没有加入搜索路径,
这个时候需要将 /usr/local/lib64 /usr/lib64 这些针对64位的库文件路径加进去。
解决
添加搜索路径到配置文件

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echo '/usr/local/lib64
/usr/local/lib
/usr/lib
/usr/lib64'>>/etc/ld.so.conf

然后 更新配置

ldconfig -v

/usr/local/include/zip.h:59:21: fatal error: zipconf.h: No such file or directory

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cp /usr/local/lib/libzip/include/zipconf.h /usr/local/include/zipconf.h

编译没问题了

编译安装

执行

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make && make install

5.配置环境

执行完安装命令后php7.4就已经安装在到了/usr/local/php目录下了

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/usr/local/php/bin/php -v

查看版本

添加环境变量

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vim /etc/profile

添加到最后

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PATH=$PATH:/usr/local/php/bin
export PATH

更新环境变量

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source /etc/profile

查看版本

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php -v

6.配置php-fpm

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cp php.ini-production /etc/php.ini
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 sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
chmod +x /etc/init.d/php-fpm

启动php-fpm

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/etc/init.d/php-fpm start

或者

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service php-fpm start