Lightspark requires a version of libxml++ that Maemo doesn't have, and also requires gcc 4.4, which we also do not have. Someone will need to backport fixes into it before it can actually work.

For libxml++, the lightspark devs say:

If an older version of libxml++ must be supported the following commits must be backported:
dee3577c66333d3f1dd3db4ba43f50e6d6d3f974
752ff3b4394d334ad6ba3e38189d5898fa15c8f0
95243eee9837ab6843a20fa43a6a1ef41d1fcd62
c8e34c3de03c2b41e825e392247efc1ea8698fbf