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236 Barco - RHDM-2301 - User manual
Addendum
[This is the first released version of the library GPL. It is numbered 2 because it goes with version
2 of the ordinary GPL.]
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By
contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and
change free software--to make sure the software is free for all its users.
This license, the Library General Public License, applies to some specially designated Free Software
Foundation software, and to any other libraries whose authors decide to use it. You can use it for
your libraries, too.
When we speak of free software, we are referring to freedom, not price. Our General Public
Licenses are designed to make sure that you have the freedom to distribute copies of free software
(and charge for this service if you wish), that you receive source code or can get it if you want it,
that you can change the software or use pieces of it in new free programs; and that you know you
can do these things.
To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or
to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you distribute copies of the library,
or if you modify it.
For example, if you distribute copies of the library, whether gratis or for a fee, you must give the
recipients all the rights that we gave you. You must make sure that they, too, receive or can get
the source code. If you link a program with the library, you must provide complete object files to
the recipients so that they can relink them with the library, after making changes to the library and
recompiling it. And you must show them these terms so they know their rights.
Our method of protecting your rights has two steps: (1) copyright the library, and (2) offer you this
license which gives you legal permission to copy, distribute and/or modify the library.
Also, for each distributor's protection, we want to make certain that everyone understands that
there is no warranty for this free library. If the library is modified by someone else and passed on,
we want its recipients to know that what they have is not the original version, so that any problems
introduced by others will not reflect on the original authors' reputations.
Finally, any free program is threatened constantly by software patents. We wish to avoid the
danger that companies distributing free software will individually obtain patent licenses, thus in
effect transforming the program into proprietary software. To prevent this, we have made it clear
that any patent must be licensed for everyone's free use or not licensed at all.
Most GNU software, including some libraries, is covered by the ordinary GNU General Public
License, which was designed for utility programs. This license, the GNU Library General Public
License, applies to certain designated libraries. This license is quite different from the ordinary