Hi,

A while ago a bug was reported in Ubuntu:

https://bugs.launchpad.net/ubuntu/+source/witty/+bug/900354

It boils down to this: building an application which uses Wt requires
linking to some libraries (Boost Signals, etc), even if the
application does not directly use them. That can be solved by
establishing a so-called "link interface" for libwt, libwthttp, etc.
It's documented here:

http://techbase.kde.org/Development/CMake_KDE_4_2#New:_The_reduced_link_interface
http://cmake.org/cmake/help/v2.8.8/cmake.html#command:target_link_libraries

I cannot work on this on my (nonexistent) spare time[*] at the moment,
just mentioning the problem and the solution in case other people are
affected.

[*] But of course if someone is interested in sponsoring, do not
hesitate to contact me

-- 
Pau Garcia i Quiles
http://www.elpauer.org
(Due to my workload, I may need 10 days to answer)

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https://bugs.launchpad.net/bugs/900354

Title:
  libwt requires an explicit link to libboost_signals

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