Error while installin Xdebug pecl module

[root@server ~]#pecl install xdebug

downloading xdebug-2.0.3.tgz …
Starting to download xdebug-2.0.3.tgz (286,325 bytes)
……………………………….done: 286,325 bytes
66 source files, building
running: phpize
Configuring for:
PHP Api Version:         20041225
Zend Module Api No:      20060613
Zend Extension Api No:   220060519
building in /var/tmp/pear-build-root/xdebug-2.0.3
running: /root/tmp/pear/cache/xdebug-2.0.3/configure
checking for egrep… grep -E
checking for a sed that does not truncate output… /bin/sed
checking for gcc… gcc
checking for C compiler default output file name… a.out
checking whether the C compiler works… configure: error: cannot run C compiled programs.
If you meant to cross compile, use `–host’.
See `config.log’ for more details.
ERROR: `/root/tmp/pear/cache/xdebug-2.0.3/configure’ failed

FIX:
Execute the commands:-

[root@server ~]#cd /var/tmp/
[root@server ~]#rm -fr pear pear-build-root
[root@server ~]#ln -s /root/tmp/pear-build-root .
[root@server ~]#mkdir -p /root/tmp/pear/download

Try to install the package now:-

[root@server ~]#pecl install xdebug

It will be installed correctly in the server.

Change exim interface IP address

We can change the exim interface IP by editing exim.conf.

1. Open exim.conf in the text editor.

vi /etc/exim.conf

2. Check for the following lines in exim.conf
======================
remote_smtp:

driver = smtp

interface=
======================
You need to modify this as given below

*******************
remote_smtp:

driver = smtp

interface=xx.xx.xx.xx

Where  xx.xx.xx.xx with your IP address.
******************

3. You need to restart exim service in the server.

/etc/init.d/exim restart