PHP compilation error

Hello all,
I got an error when compilling:


Configuring extensions
checking whether to enable LIBXML support... yes
checking libxml2 install dir... no
checking for xml2-config path...
configure: error: xml2-config not found. Please check your libxml2 installation.
ERROR: Could not configure PHP
cd: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory
mv: cannot stat `binaries/aps.tar.gz': No such file or directory
mv: cannot stat `binaries/spamassassin.tar.gz': No such file or directory
mv: cannot stat `binaries/uudeview.tar.gz': No such file or directory
mv: cannot stat `binaries/clamav.tar.gz': No such file or directory
mv: cannot stat `binaries/cronolog': No such file or directory
mv: cannot stat `binaries/cronosplit': No such file or directory
mv: cannot stat `binaries/ispconfig_tcpserver': No such file or directory
mv: cannot stat `binaries/zip': No such file or directory
mv: cannot stat `binaries/unzip': No such file or directory
tar: spamassassin.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors
mv: cannot stat `spamassassin': No such file or directory
tar: uudeview.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors
mv: cannot stat `uudeview': No such file or directory
tar: clamav.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors
mv: cannot stat `clamav': No such file or directory
tar: aps.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors
./setup2: line 794: ispconfig_tmp/php/bin/php: No such file or directory
ERROR: The PHP binary coming with ISPConfig does not work properly on your system! The installation routine stops here!
And i have already zlib updated and mysql too. What must i do.

Regards,
Richard

Edit
I run ubuntu server 6.10