Centos8 compile and install php8 with JIT

PHP 8.0 is a major update of the PHP language released at Nov 26, 2020. It contains many new features and optimizations including named arguments, union types, attributes, constructor property promotion, match expression, nullsafe operator, JIT, and improvements in the type system, error handling, and consistency.

Check out the more futures here PHP: PHP8.0 Release

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Update System

Update your system packages to the newest

yum update

Download PHP Source File

You could download source file at PHP:Downloads

wget https://www.php.net/distributions/php-8.0.0.tar.gz
tar -xvzf php-8.0.0.tar.gz
cd php-8.0.0

Install Compiler Kit

Install compiler kit make gcc and g++

yum install gcc gcc-c++ make

Install dependencies

yum install libxml2 libxml2-devel openssl openssl-devel freetype freetype-devel libzip libzip-devel sqlite sqlite-devel gd gd-devel libcurl-devel libicu libicu-devel libxslt libxslt-devel

How to install oniguruma refers to the articles before Fix php7.4 no package ‘oniguruma’ found

yum install https://rpms.remirepo.net/enterprise/8/remi/x86_64/oniguruma5php-6.9.6-1.el8.remi.x86_64.rpm
yum install https://rpms.remirepo.net/enterprise/8/remi/x86_64/oniguruma5php-devel-6.9.6-1.el8.remi.x86_64.rpm


Run configure command to generize makefile

./configure \
--prefix=/usr/local/php \
--with-zlib-dir \
--enable-mbstring \
--enable-soap \
--enable-calendar \
--with-curl \
--disable-rpath \
--enable-gd \
--enable-gd-jis-conv \
--with-bz2 \
--with-zlib \
--enable-sockets \
--enable-sysvsem \
--enable-sysvshm \
--enable-pcntl \
--enable-mbregex \
--enable-exif \
--enable-bcmath \
--with-mhash \
--with-pdo-mysql \
--with-mysqli \
--with-openssl \
--with-fpm-user=www \
--with-fpm-group=www \
--with-libdir=/lib/x86_64-linux-gnu/ \
--enable-ftp \
--with-gettext \
--with-xsl \
--enable-opcache \
--enable-fpm \
--with-iconv \
--with-zip \
--with-pear \
--with-freetype \

Run make commmand to compile

make -j4

-j4 stands for parallel compilation. It’s recommend to set to your CPU core number

Run make command to install

make install
cp php.ini-production /usr/local/php/lib/php.ini

Configure PHP

Install path of PHP is under /usr/local/php

Create www user

useradd www

Modify php-fpm.conf

cd /usr/local/php/etc
cp php-fpm.conf.default php-fpm.conf
cd php-fpm.d
cp www.conf.default www.conf

Edit www.conf to configure the number of process according to the server performance and your service requirements

pm.max_children = 10
pm.start_servers = 5
pm.min_spare_servers = 4
pm.max_spare_servers = 7

Remove the first semicolon

;env[PATH] = /usr/local/bin:/usr/bin:/bin
;env[TMP] = /tmp
;env[TMPDIR] = /tmp
;env[TEMP] = /tmp

Modify php.ini

cd /usr/local/php/lib
vim php.ini

Edit the memory limit

memory_limit = 512M

Edit the post size limit and the file upload limit

post_max_size = 512M
upload_max_filesize = 512M

Enable OPcache and JIT

Remove the first semicolon





Register php-fpm as a system service

vim /usr/lib/systemd/system/php-fpm.service


Description=The PHP FastCGI Process Manager

ExecStart=/usr/local/php/sbin/php-fpm --nodaemonize --fpm-config /usr/local/php/etc/php-fpm.conf
ExecReload=/bin/kill -USR2 $MAINPID


Set to run php-fpm at startup

systemctl enable php-fpm
systemctl start php-fpm

Show service status

systemctl status php-fpm