Mine

webnode1:/home/hlo/libssh2-0.14# pear install ssh2-beta
downloading ssh2-0.10.tgz ...
Starting to download ssh2-0.10.tgz (22,187 bytes)
........done: 22,187 bytes
5 source files, building
running: phpize
Configuring for:
PHP Api Version:         20041225
Zend Module Api No:      20050922
Zend Extension Api No:   220051025
`phpize' failed
webnode1:/home/hlo/libssh2-0.14#