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I've run below shell command as per ZeroMQ website to install PHP-ZMQ:

sudo pear channel-discover pear.zero.mq
sudo pecl install pear.zero.mq/zmq-beta

Below are traces for the installation:

downloading zmq-1.0.6.tgz ...
Starting to download zmq-1.0.6.tgz (23,880 bytes)
........done: 23,880 bytes
10 source files, building
running: phpize
Configuring for:
PHP Api Version:         20090626
Zend Module Api No:      20090626
Zend Extension Api No:   220090626
building in /var/tmp/pear-build-rootwCcLwT/zmq-1.0.6
running: /var/tmp/zmq/configure
checking for egrep... grep -E
checking for a sed that does not truncate output... /bin/sed
checking for cc... cc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ANSI C... none needed
checking how to run the C preprocessor... cc -E
checking for icc... no
checking for suncc... no
checking whether cc understands -c and -o together... yes
checking for system library directory... lib
checking if compiler supports -R... no
checking if compiler supports -Wl,-rpath,... yes
checking build system type... x86_64-redhat-linux-gnu
checking host system type... x86_64-redhat-linux-gnu
checking target system type... x86_64-redhat-linux-gnu
checking for PHP prefix... /usr
checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib
checking for PHP extension directory... /usr/lib64/php/modules
checking for PHP installed headers prefix... /usr/include/php
checking if debug is enabled... no
checking if zts is enabled... no
checking for re2c... no
configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.
checking for gawk... gawk
checking whether to enable 0MQ support... yes, shared
checking for pkg-config... /usr/bin/pkg-config
checking libzmq installation... configure: error: Unable to find libzmq installation
ERROR: `/var/tmp/zmq/configure' failed

I already have libzmq installed via Yum in my CentOS 5 server.

I can also confirm by running below

yum install zeromq

and traces below:

Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.site.net.au
 * extras: mirror.site.net.au
 * updates: mirror.site.net.au
Setting up Install Process
Package zeromq-3.2.2-13.1.x86_64 already installed and latest version
Package zeromq-3.2.2-13.1.i386 already installed and latest version
Nothing to do

So I have libzmq installed so I don't see why PHP-ZMQ is throwing error at the installation.

What would be the cause for this?

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1 Answer

up vote 1 down vote accepted

You need the development files. I'd wager they're called zeromq-devel or something of that sort on RPM based distributions.

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