· Linux  · 5 min read

How to compile php7 on ubuntu 14.04

I've been reading great things about PHP 7, specifically the PHP7 infographic created by Zend. So today I decided to create a ubuntu droplet and go to work compiling php7 from source. I ran into a...

This post was originally published on jcutrer.com (WordPress) and has been migrated to the archive.

I’ve been reading great things about PHP 7, specifically the (http://jcutrer.com/wp-content/uploads/2015/05/php7-infographic.png) created by Zend. So today I decided to create a ubuntu droplet and go to work compiling php7 from source. I ran into a few problems along the way but eventually was successfully. Here is a quick howto that will help you avoid some the same pitfalls I experienced.

After installing a fresh copy of Ubuntu 14.04 lets install some dependencies and software we need to compile php from source.

A WORD OF CAUTION! Do not attempt to compile or install php7 on a production machine, you have been warned. While already published, this article is a work in progress and I’m still writing and editing it.

First Step, Install gcc compiler, php5 dependencies, and some required libraries.

sudo apt-get -y install build-essential git autoconf
sudo apt-get build-dep php5
sudo apt-get -y install libt1-dev libgmp-dev bison
sudo apt-get -y install mysql-server mysql-client libmysqlclient-dev
apt-get install libfcgi-dev libfcgi0ldbl

You may also have to create this symbolic link

ln -s /usr/include/x86_64-linux-gnu/gmp.h /usr/include/gmp.h

Next, create a folder to download to and use git to clone the php7 codebase.

mkdir $HOME/php7
cd $HOME/php7
git clone https://git.php.net/repository/php-src.git
cd php-src

Running buildconf and configure is next  You may want to adjust the paths of —prefix and —with-config-file-path if you are attempting to make and install php7 to coexist with a php5 installation.

./buildconf

./configure \
--prefix=/usr \
--with-config-file-path=/etc \
--enable-mbstring \
--enable-zip \
--enable-bcmath \
--enable-pcntl \
--enable-ftp \
--enable-exif \
--enable-calendar \
--enable-sysvmsg \
--enable-sysvsem \
--enable-sysvshm \
--enable-wddx \
--with-curl \
--with-mcrypt \
--with-iconv \
--with-gmp \
--with-pspell \
--with-gd \
--with-jpeg-dir=/usr \
--with-png-dir=/usr \
--with-zlib-dir=/usr \
--with-xpm-dir=/usr \
--with-freetype-dir=/usr \
--with-t1lib=/usr \
--enable-gd-native-ttf \
--enable-gd-jis-conv \
--with-openssl \
--with-pdo-mysql=/usr \
--with-gettext=/usr \
--with-zlib=/usr \
--with-bz2=/usr \
--with-recode=/usr \
--with-mysqli=/usr/bin/mysql_config

And now, time to compile php7. This step might take a while depending on your machine. I first attempted to compile php7 on a DigitalOcean 512MB droplet and ran out of memory. Make sure your ubuntu machine has at least 1GB of RAM before proceeding.

make

The final step, install the compiled php7 binaries.

make install

Now lets execute php -v and to confirm the we are indeed running php 7.

cd /usr/bin
root@php7:~/usr/bin# ./php -v
PHP 7.0.0-dev (cli) (built: May 14 2015 17:35:28)
Copyright (c) 1997-2015 The PHP Group
Zend Engine v3.0.0-dev, Copyright (c) 1998-2015 Zend Technologies

That’s it, your first taste of php7. If you run into errors during the configure step the answer might be below.

Errors encountered while trying to compile PHP7 from source

Error configure: error: xml2-config not found. Please check your libxml2 installation.

Solution apt-get install libxml2-dev

Error /usr/bin/mysql_config: No such file or directory

Solution apt-get install mysql-server mysql-client libmysqlclient-dev

Error Warning: Declaration of PEAR_Installer::download() should be compatible with & PEAR_Downloader::download($params) in phar:///root/php7/php-src/pear/install-pear-nozlib.phar/PEAR/Installer.php on line 43

“

Warning: Declaration of PEAR_PackageFile_Parser_v2::parse() should be compatible with PEAR_XMLParser::parse($data) in phar:///root/php7/php-src/pear/install-pear-nozlib.phar/PEAR/PackageFile/Parser/v2.php on line 113 Archive_Tar - installed: 1.3.13 Console_Getopt - installed: 1.3.1 Structures_Graph- installed: 1.0.4

“

Warning: Declaration of PEAR_Task_Replace::init() should be compatible with PEAR_Task_Common::init($xml, $fileAttributes, $lastVersion) in phar:///root/php7/php-src/pear/install-pear-nozlib.phar/PEAR/Task/Replace.php on line 31 XML_Util - installed: 1.2.3

“

Warning: Declaration of PEAR_Task_Windowseol::init() should be compatible with PEAR_Task_Common::init($xml, $fileAttributes, $lastVersion) in phar:///root/php7/php-src/pear/install-pear-nozlib.phar/PEAR/Task/Windowseol.php on line 76

Warning: Declaration of PEAR_Task_Unixeol::init() should be compatible with PEAR_Task_Common::init($xml, $fileAttributes, $lastVersion) in phar:///root/php7/php-src/pear/install-pear-nozlib.phar/PEAR/Task/Unixeol.php on line 76 PEAR - installed: 1.9.5 Wrote PEAR system config file at: /root/php7/usr/etc/pear.conf

Solution You may want to add: /root/php7/usr/lib/php to your php.ini include_path /root/php7/php-src/build/shtool install -c ext/phar/phar.phar /root/php7/usr/bin

Error configure: WARNING: unrecognized options: --with-mysql

Error checking for bison version... invalid configure: WARNING: This bison version is not supported for regeneration of the Zend/PHP parsers (found: none, min: 204, excluded: ). checking for re2c... no configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers. configure: error: bison is required to build PHP/Zend when building a GIT checkout!

Solution apt-get install bison

Error configure: error: Cannot find OpenSSL's

Solution apt-get install libssl-dev

Error configure: error: Cannot find OpenSSL's libraries

Solution apt-get install libssl-dev

Error checking for BZip2 in default path… not found configure: error: Please reinstall the BZip2 distribution

Solution apt-get install libbz2-dev

Error configure: error: Please reinstall the libcurl distribution - easy.h should be in /include/curl/

Solution apt-get install libcurl4-openssl-dev

Error If configure fails try --with-vpx-dir= configure: error: jpeglib.h not found.

Solution apt-get install libjpeg-dev

Error configure: error: png.h not found.

Solution apt-get install libpng12-dev

Error configure: error: freetype-config not found.

Solution apt-get install libfreetype6-dev

Error configure: error: mcrypt.h not found. Please reinstall libmcrypt.

Solution apt-get install libmcrypt-dev

Error configure: error: Cannot find pspell

Solution apt-get install libpspell-dev

Error PEAR package PHP_Archive not installed: generated phar will require PHP's phar extension be enabled.

Solution pear install pear/PHP_Archive

Error checking for recode support... yes configure: error: Can not find recode.h anywhere under /usr /usr/local /usr /opt.

Solution apt-get install librecode-dev

Error virtual memory exhausted: Cannot allocate memory make: *** Error 1

Solution Install more RAM or increase the size of your VPS, it looks like 512MB is not enough to compile php7 from source.

Disk and Memory Requirements to compile PHP7

You will need atleast 1GB of RAM to compile php 7 on Ubuntu 14.04.

References

- (http://www.omniweb.com/wordpress/?p=1040)
- (https://stavrovski.net/blog/build-and-install-php-5329-from-source-on-an-ubuntu-1404-lts-server)
- (http://www.zimuel.it/install-php-7/)
- (http://rosscampbell.blogspot.com/2015/03/howto-test-php7-on-ubuntu-1404-lamp.html)

I hope you enjoyed this post and found it useful.  As always, I invite you to join the conversation or point out anything I missed by leaving a comment below.

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