Re: Libpropc++

[Roel Vanhout <roel riks nl>]

Libsigc++ and gtkmm are released under the LGPL which you can find on 
http://www.gnu.org/licenses/licenses.html#LGPL.
In short, it comes down to the following: you can use gtkmm/libsigc++ in 
code for which you provide no source if you give the users of the code 
the opportunity to change the part that is LGPL (ie, gtkmm/libsigc++). 
You can do this for example by using gtkmm/libsigc++ as shared libraries 
(.so on Unix, .dll on Windows) or by providing object code to your 
program so that users can re-link with modified versions of the LGPL code.


cheers,

roel



Kresimir Sojat wrote:
> I was just playing around on sourgeforge and found the
> http://sourceforge.net/projects/glib-bind. Part of this project is
> libpropc++ and in its documentation
> (http://ex-code.com/propcpp/PR-short.html) says:
>
> Libpropc++ provides a partial reimplementation of libsigc++. Use this
> reimplementation if you want to use libpropc++ to write commercial
> software because the license of libsigc++ requires any software using
> libsigc++ to be open source.
>
> Is this statement true? Becouse i don't use gtkmm/sigc++ to develop
> open source software, and on http://gtkmm.org/license.shtml says:
>
> Note that this license does not require you to release the source code
> of your own applications or libraries and does not require you to pay
> any fees.
>
> I am realy confused now.
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