[xml] Using AM_PATH_XML2

[Santiago Capel Torres <santiagocapel yahoo es>]

Hi list,

I am developing a program which uses libxml2. In my configure.in I am 
using AM_PATH_XML2 to test if libxml2 is installed.

The problem is that when libxml2 is NOT istallled, this macro is not 
installed either, so I get an error when I run configure.


How can I avoid this problem?

- have I to  copy the macro from the libxml2 distribution into my 
acinclude.m4 or configure.in?
- have I got any means of detecting whether this macro is installed in 
the automake system or not?

Thanx